Transistors

The AS394CH is a junction isolated ultra well-matched monolithic NPN transistor pair with an order of magnitude improvement in matching over conventional transistor pairs. Electrical characteristics of these devices such as drift versus initial offset voltage, noise, and the exponential relationship of base-emitter voltage to collector current closely approach those of a theoretical transistor. Extrinsic base and emitter resistances are very low, giving very low noise and operating over a wide current range. To guarantee long term stability of matching parameters, internal clamp diodes have been added across the emitter-base junction of each transistor. These prevent degradation due to reverse biased emitter current, the most common cause of field failures in matched devices.
$4.95

A1837 Transistor - Fender. Power amplifier applications and Driver Stage Amplifier Applications.
$2.75
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Originally: $3.95

J201 N-Channel JFET in a TO-92 package made by Siliconix. The J201 is designed primarily for low level audio and general purpose applications with high impedance signal sources.
- Max drain to gate voltage = 40 V
- Max gate to source voltage = -40 V
- Max forward gate current = 50 mA
$4.95

The AS194DE is a junction isolated ultra well-matched monolithic NPN transistor pair with an order of magnitude improvement in matching over conventional transistor pairs. Electrical characteristics of these devices such as drift versus initial offset voltage, noise, and the exponential relationship of base-emitter voltage to collector current closely approach those of a theoretical transistor. Extrinsic base and emitter resistances are very low, giving very low noise and operating over a wide current range. To guarantee long term stability of matching parameters, internal clamp diodes have been added across the emitter-base junction of each transistor. These prevent degradation due to reverse biased emitter current, the most common cause of field failures in matched devices.
$4.50

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.
$1.95

Transistor MJ15025, TO-3 Case The MJ15025 is a power transistor designed for high-power audio, disk head positioners, and other linear applications Features:
- High Safe Operating Area: -2A @ 80 V
- High DC Current Gain hFE = 15 (Min) @ IC = 8 Adc
$6.49

2N6027 programmable unijunction transistor often referred to as a PUT. The 2n6027 can be found in many tremolo effects pedal projects.
$1.45