Transistors

2N404 PNP germanium transistors. The 2N404 is used in many fuzz pedals along with other effects. This transistor is in a TO-5 package with long leads commonly found on germanium transistors. For a higher voltage version of this transistor, see P-Q2N404A.

2N404A PNP germanium transistors. The 2N404A is used in many fuzz pedals along with other effects. The 2N404A is the same as the 2N404 but with a higher voltage rating. This transistor is in a TO-5 package with long leads commonly found on germanium transistors. For a lower voltage version of this transistor, see P-Q2N404.

Peavey's direct replacement for the SJE 5332. The MJE253G PNP transistor is rated 120V, 3A, and comes in a Case-77 package.

The 2N3566 is a silicon NPN transistor in a TO-105 case. The 2N3566 is primarily intended for general purpose amplifier applications.

MPS 6533, PNP general purpose amp, 40V, TO-92 Case.
Note: Peavey is now using MPS6534 in place of the MPS6533.

Designed for full-wave triggering in Triac phase control circuits, half-wave SCR triggering application and as voltage level detectors. Used in most Peavey linear power amplifier designs through 2000 including CS/M/DECA series power amps, IPA300, and all models using 402/602/304S/204S power modules.

• Low Switching Voltage — 8 Volts Typical
• Uniform Characteristics in Each Direction
• Low On-State Voltage — 1.7 Volts Maximum
• Low Off-State Current — 0.1 mA Maximum

BC148C NPN transistor in a rare Mullard Lockfit package. The BC148C is the equivalent of a BC108C but in the Lockfit package rather than a TO-18. The BC148C was used in a variety of audio and radio equipment and works well for fuzz and other effects.

2N1309 PNP germanium transistors. The 2N1309 is a popular PNP for fuzz pedals and other effects. This transistor is in a TO-5 package with long leads commonly found on germanium transistors.

PF5102 N-Channel Switch (TO-92 package) - designed for low level analog switching, sample and hold circuits and chopper stabilized amplifiers.

• Max drain to gate voltage = 40 V
• Max gate to source voltage = -40 V
• Max forward gate current = 50 m

The 2N5135 is a silicon NPN transistor in a TO-105 case. This transistor is a close match to the rare 2N5133 but with higher voltage ratings and is in a larger package. The hFE range is less wide than the 2N5133 with more values in the range found in the batches used on vintage Big Muff pedals. The lower hFE range also makes these a great option for silicon fuzz pedals.

New old stock 2N3565 transistors manufactured by Micro Electronics. The 2N3565 is a silicon NPN transistor in a TO-106 case. The 2N3565 is primarily intended for general purpose and low level applications. 2N3565 transistors were used in the original Harmonic Percolator, Foxx Tone Machine and the Sam Ash Fuzzz Boxx.

MPS 6531, NPN general purpose amp, 40V, TO-92 Case.

High quality single row machine pin sockets made by Preci-Dip. These sockets are the break-away type and can easily snap into smaller sizes such as 5 separate transistor sockets.

Surface mount MMBFJ201 JFETs presoldered to TO-92 adapter boards. Use wire, clipped component leads, or pin headers to easily attach these adapters to PCBs using TO-92 footprints for J201s. These JFETs can be found in many effects pedals, synthesizers, and other projects. The J201 / MMBFJ201 is an N-Channel general purpose amplifier JFET. This device is designed primarily for low level audio and general purpose applications with high impedance signal sources. The pinout is marked on the PCB and is DSG when facing the component side.

2SD77 NPN germanium transistors. The 2SD77 is a popular NPN for fuzz pedals and other effects. The NPN polarity allows for use with standard pedal power supplies.

PCB for converting SMD SOT-23 transistors and FETs to through hole footprints. This adapter board fits SOT-23 packages. Solder the device to this PCB then attach wires or pin headers (sold seperately) to connect to through hole footprints on PCBs or breadboards. The white box on the PCB can be used to label the part with a marker. See image below for pinout.

MPF102 N-Channel JFET in a TO-92 package. The MPF102 is designed for electronic switching applications such as low ON resistance analog switching.

• Max drain to gate voltage = 25 V
• Max gate to source voltage = -25 V
• Max forward gate current = 10 mA

2N6027 programmable unijunction transistor often referred to as a PUT. The 2n6027 can be found in many tremolo effects pedal projects.

2N5457 N-Channel JFET in a TO-92 package. The 2N5457 is designed primarily for audio and switching applications.

• Max drain to gate voltage = 25 V
• Max gate to source voltage = -25 V
• Max forward gate current = 10 mA

SDS 7204 transistor, 300 V, 10 mA, Case-30.

2N5458 N-channel JFET in a TO-92 package. The 2N5458 is an N−channel junction field effect transistors, depletion mode (Type A), designed for audio and switching applications. Features

• N−Channel for Higher Gain
• Drain and Source Interchangeable
• High AC Input Impedance
• High DC Input Resistance
• Low Transfer and Input Capacitance
• Low Cross−Modulation and Intermodulation Distortion

2N5485 N-channel JFET in a TO-92 package. The 2N5485 is an N−channel junction field effect transistors designed for RF amplifier and mixer applications. These devices operate well in the VHF/UHF frequency range.

2N5459 N-channel JFET in a TO-92 package. The 2N5459 is an N−channel junction field effect transistors, depletion mode (Type A), designed for audio and switching applications. Features

• N−Channel for Higher Gain
• Drain and Source Interchangeable
• High AC Input Impedance
• High DC Input Resistance
• Low Transfer and Input Capacitance
• Low Cross−Modulation and Intermodulation Distortion

MOSFET BS170 N-Channel Transistor. Used in MOD® Kits.
Note - this is a fragile component! Use caution not to overheat or break leads.