J112 vs j113 Sourced from Process 51. J112 ; J113_D74Z . 29) The J112 from Fairchild is a through hole, N channel switch in TO-92 package. Mar 9, 2023 · The J113, J112 and J111 still survive as through hole components. Manufacturer: ON Semiconductor. Also, note how the larger V G S (o f f) ranges are associated with larger maximums for I D S S. Dec 2, 2022 · I did a few batches of JFETs I had lying around: J111, J112, J113, J109 and BF256B. Here are some of the plots of the JFET(s) I have been looking at. The J112 and J113 exhibit even wider min/max ratios. 0 mA minimum, in practice, we find that the average Idss is about 20mA with a range between 10 and 23 mA. This device is designed for low level analogue switching, sample and hold circuits and chopper stabilized amplifiers. J112 ; J113,126 . If you want the -10V CV range, chuck'em into an MTester and pick any with a low enough Vgs (off). J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ112_SB51338 / MMBFJ113 N-Channel Switch August 2012 The J112 from Fairchild is a through hole, N channel switch in TO-92 package. Figure 13. Mar 19, 2022 · This post contains all the important information about J113 transistor pinout, equivalent, applications, features and where and how to use this JFET. 2N5457, J201 and PN4393's seem to be hard to come by genuine ones. ? Is there a J201 substitute? Answer: it depends :) I'd like to share my point of view for a J201 replacements, using Son of Ben an an example. 63K subscribers Subscribed J112 ; J113,126 . Also when output increases to 20V and 40V pp, it simulated more H3 than the original. Not the most exciting bunch, but as we’ve seen in the previous post, I’m sure I can make them work. Breadboarding a simple JFET guitar booster. It is interesting that the RIP old K170 get all the talk, people are looking for a substitute. Voltage Figure 14. This device is designed for low level analog switching, sample and hold circuits and chopper stabalized amplifiers. 29) Similar functions The functional characteristics of the device are consistent, but the main parameters are inconsistent, and the circuit structure can be modified and replaced. Fairchild Figure 13. It shares its family line with similar transistors like the J111 and J112. It includes specifications such as absolute maximum ratings, thermal characteristics, electrical characteristics, and typical performance characteristics. Source and drain are interchangeable Gate to source breakdown voltage of 35V Gate to source cutoff voltage of 5V Zero gate voltage drain current of 5mA Power DATA SHEET J111; J112; J113 N-channel silicon field-effect transistors Product specification File under Discrete Semiconductors, SC07 July 1993 Philips Semiconductors Detailed comparison of J113 vs J112-D27Z. May 7, 2022 · The rest of ebay is full of Chinese "J201" (in quotes) in the cent ranges. Its performance in analog circuits The J112 from Fairchild is a through hole, N channel switch in TO-92 package. SD Oct 24, 2025 · For the J111/J112/J113 it doesn't help that the datasheets don't give both limits for IDSS. Nov 17, 2020 · Dunno about j112 but pf5102 have got way higher spec than j201, in a circuit like the calamity fuzz for exemple they won't sound good. 1. The issue I see is the 2N5952 is about 230ohms typical whereas the J113 is 100ohms *max* (probably 50ohms or so typical). Home > Electronic component classification > > J112_D27Z > J112_D27Z alternative parts comparison: differences between J112_D27Z and J113. Probably has a bigger die with larger (W/L) ratio of the conductive Interested in j112 vs j113? Explore our trusted assortment and find the perfect fit for your needs! The J113 from Fairchild is a through hole, N channel switch in TO-92 package. 0 mA mA mA rDS(on)Drain-Source On Resistance VDS≤ 0. All in all, considered the variation of characteristics among jfets, probably you should just get a bunch of other transistors and test them. Nov 25, 2020 · I have a problem with the datasheet: On page 3 it gives a value of IDSS=2mA for J113. Mar 23, 2025 · I pivoted to the J112 after evaluating Idss, RdsOn, max power dissipation, etc of the J112 vs J113. Description: JFET Chopper Transistor. The devices are Pb-free and suitable for various applications, with Home > Electronic component classification > > J112 > J112 alternative parts comparison: differences between J112 and J113_D74Z. Its robust performance in RF and audio circuits has made it a popular choice among engineers and hobbyists alike. I got two boards to do a three way but figured it's also an opportunity to build each one with different jFets in order to see if I can actually hear any difference between the kit's J113 and the suggested substitute -SK170. Because of a limited voltage drop on R6, I have to reduce it when the Id and Vgs have to be set to the special point. So does anyone have useable equivalent's (i've heard J112, J111's etc) or a reasonably priced source that can send to Sep 16, 2017 · The sources of the transistors were: J201 - smallbear "off-J201" - a US ebay seller. Description The -25V InterFET J111/A, J112/A, and J113/A JFET’s are targeted for high gain low noise switching, commutator, and chopper applications. Mar 4, 2016 · So I am trying to decide on some bulk JFET purchases and am after some alternatives. Buy J112 Buy J113,126 Buy J113 Description Small Signal Field-Effect Transistor, 1-Element, N-Channel, Silicon, Junction FET, TO-226AA, IC JFET N-CH 40V 2mA TO92-3 J113,126 More replace part JFET N-CH 35V 625mW TO92 J113 More replace part Datasheet View Datasheet PDF View Datasheet PDF Manufacturer Allegro MicroSystems NXP ON Semiconductor J113 is a J11x series N Channel silicon FET or field-effect transistor. 2N5457 - smallbear 2N5458 - Tayda 2N3819 - old stock castoffs from an electronics lab J113 - smallbear (J113 have very different specs from J201 etc) Aug 10, 2025 · J111/J112/J113 pinout confusion Started by Fancy Lime, April 03, 2021, 09:33:40 AM Previous topic - Next topic Print Go Down Pages 1 2 The document provides a data sheet for N-Channel Switch devices (J111, J112, J113, MMBFJ111, MMBFJ112, MMBFJ113) designed for low-level analog switching applications. Jun 4, 2025 · J112 ; J113 . Apr 8, 2022 · J111 is a transistor from J11x series, this series also contains J112 and J113 transistors. 0V, etc. IDSSZero-Gate Voltage Drain Current* VDS= 15 V, IGS= 0 J111 J112 J113 20 5. File Size: 110Kbytes. Looking at building some of the 'Amps in a box' style pedals (soldano SLO/Dr Boogie/Laney Superlead) from Tagboard effects. J111 and J112 are two more transistors in this family. Although it is not on your list, for this application the J111 would be most suitable I think, it would bias at around 3. For example: Unknown rds(on) and VGS range for an J112 The electrical characteristics table indicates that an J112 has an IDSS range of 25 to 75 mA. 6 days ago · MXR Phase 90 and transistorsI haven't tried the J113. All the transistors in this series are primarily built to use for analog switching applications, current limiting, choppers, commentators and sample and hold applications. They are intended for applications such as analog switches, choppers, commutators etc. They also have the BF256B in through-hole for about the same price and it is a good general purpose device, though you should check the pin configuration on the datasheet before placing it on the pcb. 29) J113 onsemi / Fairchild JFETs N-Channel Switch datasheet, inventory, & pricing. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. The question is, can we substitute the 2N5457 without adjusting other component values? J112_D27Z More replace part J113 Series 35V 50mA Through Hole N-Channel Switch - TO-92-3 J113_D75Z More replace part Datasheet View Datasheet PDF View Datasheet PDF View Datasheet PDF Manufacturer ON Semiconductor Fairchild Fairchild Classification JFETs JFETs JFETs Package Mounting Style Through Hole Through Hole Through Hole Number of Pins 3 The J112 from Fairchild is a through hole, N channel switch in TO-92 package. 5 volts at the source. 7 to -1. I tested a J109 (which is better than the others mentioned, but is now harder to get) with a 1k series resistor, and measured 44dB muting, and that's not good enough so two JFETs are needed as shown. Finally, let's take a look at a series of performance curves shown in Figure 10 3 1 d. They are close to but not quite J201 spec. Are any of these especially good to stock? Let me know, pls. Apr 3, 2021 · J111/J112/J113 pinout confusion Started by Fancy Lime, April 03, 2021, 09:33:40 AM Previous topic - Next topic Print Go Down Pages 1 2 The J112 from Fairchild is a through hole, N channel switch in TO-92 package. The J112 from Fairchild is a through hole, N channel switch in TO-92 package. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If replacement, please be sure to read the data document J112 Series 35V 5mA Through Hole N-Channel Switch - TO-92 J112_D26Z VS J112 J112_D26Z Feb 18, 2023 · Vp and Idss of J112 are too large, combined with large Idss of J113, the combination of J112+J113 does work well in Pass FE2022. Jan 14, 2023 · Question: what's the J201 substitute for . This transistor is versatile, primarily used in applications such as choppers, sample-and-hold circuits, current limiters, and various switching setups. Here are some of the nearest possible substitute or equivalents of J112 but they may not have symmetrical feature. The beta (I_dss/V_gs0^2) is indeed fairly constant at about 9~10m, which implies that as the pinch off voltage increases, the saturation voltage increases to match. Apr 3, 2020 · I've seen the J113 mentioned as substitutes, but a quick look at the datasheet suggests otherwise. Similar functions The functional characteristics of the device are consistent, but the main parameters are inconsistent, and the circuit structure can be modified and replaced. That means the JFET resistance is over 4 times lower. Or just take a bunch of J113. mega 328 medida de jfet TESTER J201 2N5457 J112 J111 J113 Tonyguitar Ibiza 6. If replacement, please be sure to read the data document TRANSISTOR N-CHANNEL, Si, SMALL SIGNAL, JFET, TO-92, FET General Purpose Small Signal J112 VS J112D27Z Model Home > Electronic component classification > > J112_D27Z > J112_D27Z alternative parts comparison: differences between J112_D27Z and J113. Going through schematic, measuring of JFET parameters, breadboarding it and trying it out. Download. First 2SK170. Document Datasheet J113. 3~1. J112_D27Z ; J113 . Jan 27, 2025 · J112 ; J113 . In future post I will take a look distortion and noise; you The J112_D26Z is a N-channel JFET Switch designed for low level analogue switching, sample and holds circuits, chopper stabilized amplifiers. Page: 4 Pages. 8 V, with 1. If replacement, please be sure to read the data document TRANSISTOR N-CHANNEL, Si, SMALL SIGNAL, JFET, TO-92, FET General Purpose Small Signal J112 VS J112D27Z J112D27Z TI Buy J112_D74Z Buy J112_D27Z Buy J113 Description Trans JFET N-CH 3Pin TO-92 Ammo JFET N-CH 35V 625mW TO92 J112_D27Z More replace part Trans JFET N-CH Datasheet View Datasheet PDF View Datasheet PDF Manufacturer ON Semiconductor Fairchild Calogic Classification - JFETs - Package Case/Package TO-92 TO-226-3 TO-92 Mounting Style - Through Hole Jun 9, 2025 · J113 More replace part FAIRCHILD SEMICONDUCTOR J112_D26Z JFET Transistor, JFET, -35V, 5mA, -5V, TO-226AA, JFET J112_D26Z More replace part J113 Series 35V 50mA Through Hole N-Channel Switch - TO-92-3 J113_D75Z More replace part Datasheet View Datasheet PDF View Datasheet PDF View Datasheet PDF Manufacturer ON Semiconductor Fairchild Fairchild Similar functions The functional characteristics of the device are consistent, but the main parameters are inconsistent, and the circuit structure can be modified and replaced. 1 V, VGS= 0 J111 J112 J113 30 50 100 Ω Ω Ω May 24, 2025 · J112 ; J113 . Capacitance vs. Probably they all use the same die layout, and get different implant doses to create different Vp's. I don’t suppose the old J201 or 5457 would work (albeit different pinout)? Also heard some mentions of the J112/J113 but apparently there are various versions of J112 vs J112D27Z Compare result: J112 ,J112D27Z . Overview of J113 The J113 is part of the J11x series of N-channel field-effect transistors, designed with TO-92 and SOT-23 packaging. 29) Counterfeiting of semiconductor parts is a growing problem in the industry. 29) August 2012J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ112_SB51338 / MMBFJ113N-Channel SwitchFeatures This device is designed for low level analog switching, sample and hold circuits and chopper stabilized amplifiers. This Device is Designed for Low Level Analog Switching, Sample and Hold Circuits and Chopper Stabilized Amplifiers The J112 has an on-resistance of 50Ω, and the J113 is 100Ω (the latter is not recommended for muting). Jan 27, 2017 · Hi there, BF245C J112 J113 all draw too heavy IDSS for your use also Up is likely to be too high Closest to 2N5457 or J201 would be from those choices 2SK117 or 2SK170, 2SK246Y and the latter specifically with suffix Y J112 replacement in Delay Will any of these transistors I already have work in this delay schematic in place of the J112? The J113 from Fairchild is a through hole, N channel switch in TO-92 package. August 2012J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ112_SB51338 / MMBFJ113N-Channel SwitchFeatures This device is designed for low level analog switching, sample and hold circuits and chopper stabilized amplifiers. Jun 9, 2019 · I am designing audio amplifiers, I am not familiar with JFETs, how do I choose between J112 and J113 Sep 21, 2020 · As far as I know, j112 and j113 should be fine not sure about the others probably would have to tweak some values, though agreed. you will have to lay the circuit on a breadboard and get the drain resistor to bias the fet between 5-7 volts The J112 from Fairchild is a through hole, N channel switch in TO-92 package. 29) May 25, 2025 · The J112 from Fairchild is a through hole, N channel switch in TO-92 package. They will do about as good, I'd expect the "typical" values to be better, the TL072 buffer will drain a multiple of any single JFET anyway. I have some of them, but never tried to swap them with J201. What that does is it makes the all-pass filters operate at the same The J112 from Fairchild is a through hole, N channel switch in TO-92 package. 6V, the J113 covers Vgs (off) from -0. Die Unterschied, Alternative, Äquivalent von J112 und J113. The J113 is designed to offer high input impedance, low noise, and good linearity, which makes it an excellent choice for applications requiring high fidelity. Life support devices or systems are devices or systems which, (a) are 2. However, on the following pages it shows universal curves for all three JFETs J111, J112 and J113. This article is going to cover datasheet, pinout, equivalents about J113 transistor. J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ112_SB51338 / MMBFJ113 N-Channel Switch August 2012 Buy J112 Buy J113_D75Z Buy J113,126 Description JFET Chopper Transistor (N-Channel- Depletion) J113 Series 35V 50mA Through Hole N-Channel Switch - TO-92-3 J113_D75Z More replace part IC JFET N-CH 40V 2mA TO92-3 J113,126 More replace part Datasheet View Datasheet PDF View Datasheet PDF View Datasheet PDF Manufacturer Motorola Fairchild NXP Oct 19, 2025 · I got an offer from a trusted source for these numbers: J107, J110, J112, J113, J174, J175, J305, J309, J310. The PF5102 covers Vgs (off) from -0. So we're using JFET for amplifying signal (gain stage). Die Unterschied, Alternative, Äquivalent von J112 und J113,126. The J113 from Fairchild is a through hole, N channel switch in TO-92 package. May 7, 2023 · Looked around a few places and can’t seem to come up with much about this circuit, in particular a good equivalent to the 2sk170. Oct 4, 2017 · J113, J112, J111 all have the same transconductance; where they differ is in Vpinchoff (which results in different Idss too). J112 Transistor Explained / Description: J112 is a high-performance N channel silicon FET or field effect transistor of the J11x series. 5V to -3. All manufacturers of semiconductor products are experiencing counterfeiting of their parts. Nov 23, 2018 · Mouser has the J112 in through-hole for less than 50 cents each that will work for buffers and many amplifier circuits. Die Unterschied, Alternative, Äquivalent von J112_D27Z und J113. The Desolate Fuzz does not work with them. 5 V being typical. The PF5102 has tighter tolerances than the J113 and sits somewhere the near middle of the J113, you could even think of it as a tight tolerance J113. Die Unterschied, Alternative, Äquivalent von J112 und J113_D75Z. Now you can compensate for this by increasing the 4x caps by a factor of 4 and see how you go. Figure 10, shows rds(on) = 52 for IDSS = 25 mA and 30 for IDSS = 75 mA. On figure 5 you find that all these transistors have at least 18mA at VGS=0V. 0 2. Apr 9, 2019 · B_J7vtuWp4 they talk about the opposite, using a J112 or J113 as a substitute for a 2N5457, and they say "Although the Vgs (off) values for the J113 look comparable to the 2N5457 and the Idss is specified as 2. com • This Device is Designed for Low Level Analog Switching, Sample • • • and Apr 23, 2019 · I ordered adapter cards from to-92 to sot23 and wait for them. If replacement, please be sure to read the data document J112 Series 35V 5mA Through Hole N-Channel Switch - TO-92 J112_D74Z VS J112 J112 Mar 6, 2023 · Think of the PF5102 as *another entry* in the J111/J112/J113 tabulated data. Which value should I use? Part #: J112. J112 vs J112D27Z Compare result: J112 ,J112D27Z . . VG off -1,87V at ID 5uA VG on -1,01V at ID 5mA gfs 10,4mA/V Mar 28, 2022 · J111, J113 Nearest Possible Equivalents: 2N4416, J201, j202, j203, NTE312, NTE458, 2N4340, 2N4341. I think that the J112 may be more economical space-wise and cost-wise compared to J113 for a Circlotron BEAST build. Die Unterschied, Alternative, Äquivalent von J112 und J113_D74Z. But before I start with measurements, ltspice For example: Unknown rds(on) and VGS range for an J112 The electrical characteristics table indicates that an J112 has an IDSS range of 25 to 75 mA. Jun 17, 2023 · Hey guys, I am in the process of sourcing parts for the Sonomatic. J111; J112; J113 DESCRIPTION Symmetrical silicon n-channel junction FETs in plastic TO-92 envelopes. Apr 14, 2016 · Most of the J113 have V_gs0 around 1. pdf, Subject Electrical Engineering, from Monash University, Length: 12 pages, Preview: N-Channel Switch J111, J112, J113, MMBFJ111, MMBFJ112, MMBFJ113 Features www. View all J113,126 Product overview JFET N-Channel 40V 400mW Through Hole TO-92-3 View all J112G Product overview A J113 is a decent bet for a J201 replacement due to the similar Vgs (off) but don't expect them to be identical if your looking for any clipping. Maybe in a circuit with a bias trimpot it could do though. The device may not function or be opera-ble above the recommended operating conditions and stressing the parts to these levels is not recommended. A J112 is a decent replacement for a 2n5457 same deal. I measured both J113. Figure 10 3 1 d: J111 series N-channel JFET data sheet (cont). One of the Motorola/OnSemi datasheets had a nice plot but the text next to the plot implied the J112 had an IDSS range of 25mA to 75mA (not far off measurements) but the tabulated data shows only the lower IDSS limit, which was 5mA not 25mA. Noise Voltage vs. The J112_D26Z is a N-channel JFET Switch designed for low level analogue switching, sample and holds circuits, chopper stabilized amplifiers. J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / January 2015 Absolute Maximum Ratings(1), (2) Stresses exceeding the absolute maximum ratings may damage the device. J109 has a higher transconductance than J111-113. I looked at the digikey and mouser sites that most of the popular jfet are no longer produced, but the following are still available: J113 MMBF4393 2SK208-R 2SK209-Y MMBFJ270 MMBFJ177 MMBFJ309 2SK3666-2 Most likely, closer to the summer I will write which transistors work well. The J112 from Fairchild is a through hole, N channel switch in TO-92 package. Understand the differences in specifications and features to choose the right components. J111 J112 J113 CASE 29–11, STYLE 5 TO–92 (TO–226AA) Feb 18, 2023 · Vp and Idss of J112 are too large, combined with large Idss of J113, the combination of J112+J113 does work well in Pass FE2022. onsemi. 1 V, VGS= 0 J111 J112 J113 30 50 100 Ω Ω Ω The J113 from Fairchild is a through hole, N channel switch in TO-92 package. 29) J111 J112 J113 CASE 29–11, STYLE 5 TO–92 (TO–226AA) J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / January 2015 Absolute Maximum Ratings(1), (2) Stresses exceeding the absolute maximum ratings may damage the device. Lesen Sie bei einem Austausch unbedingt das Datendokument FAIRCHILD SEMICONDUCTOR J112_D74Z JFET Transistor, Junction Field Effect, -35V, 5mA, -5V, TO-92, JFET J112G und J112_D74Z unterschied J113 Counterfeiting of semiconductor parts is a growing problem in the industry. Nov 13, 2024 · Hello fellow flux fume sniffers, is there a rule on when it's ok to use J113 instead of J201? I did build a few Pedals where I substituted the J113 and they were fine. Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed applications, and increased cost of production and manufacturing delays. I expected these might be dodgy. You should do it anyhow with the J201s. J112 vs J112 Compare result: J112 ,J112 . Frequency 6 J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ113 — N-Channel Switch J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ113 — N-Channel Switch Physical Dimensions (Continued) (0. J112 ; J113_D75Z . Jul 30, 2019 · Hello, I have been playing with the software and hardware. It calls for J112 and I have some J113 that I was wondering if I could sub for? Honestly Sep 21, 2020 · I recently built the PASS 6-24 Diy crossover. Alternative parts Image Part manufacture Category Type Description PDF Compare J113,126 SSOP28 NXP JFETs Similar instead The functional characteristics are consistent, and some of the main parameters are consistent, but the electrical characteristics of the components are somewhat different IC JFET N-CH 40V 2mA TO92-3 J113,126 VS J113,126 J112 The J112 from Fairchild is a through hole, N channel switch in TO-92 package. A critical component in any component of a life support, device, or intended for surgical implant into the body or (b) support or sustain system whose failure to perform can be reasonably expected to life, and (c) whose failure to perform when properly used in cause the failure of the life support device or system, or The remaining Fairchild TO-92 N-channel line up comprises the J111, J112 and J113, although these parts are not marketed as low-noise items. apeu lnzfk qtmpt wipvywbt ddygp usn tnoq xvuqk jta kcapj ybtjxn rml rwmir qbr uejb