P-Q2N6027 Transistor - 2N6027 Programmable Unijunction
2N6027 programmable unijunction transistor often referred to as a PUT. The 2n6027 can be found in many tremolo effects pedal projects.
P-QHFA16P Diode - Hexfred, ultrafast soft recovery, 16A, 1200V
High performance, ultrafast diodes. Improve efficiency, reduce noise, allow higher frequency operation.
P-QOPA2134 Op-Amp - OPA2134, Dual, High Performance Audio, 8-Pin DIP
OPA2134 SoundPlus™ Audio dual op-amp with low distortion, low noise and precision. The OPA2134 are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. A true FET input stage is incorporated to provide superior sound quality and speed for exceptional audio performance. This, in combination with high output drive capability and excellent DC performance, allows for use in a wide variety of demanding applications. In addition, the OPA2134 has a wide output swing, to within 1 V of the rails, allowing increased headroom and making it ideal for use in any audio circuit. The OPA2134 SoundPlus™ audio operational amplifiers are easy to use and free from phase-inversion and the overload problems often found in common FET-input operational amplifiers. They can be operated from ±2.5-V to ±18-V power supplies.
P-QSJ81180 Transistor - Peavey, NPN 140V Driver, SJ-81180, 180V, 1A
SJ-81180, NPN driver, 180V, 1A, TO-3 Case.
P-QA18937 Transistor - Fender®, A1837, amplifier application
A1837 Transistor - Fender. Power amplifier applications and Driver Stage Amplifier Applications.
P-QFXCORE Integrated Circuit - Experimental Noize FXCore, DSP, Multi-Effect / Reverb
FXCore from Experimental Noize is a DSP designed for creating audio effects in pro-audio devices. FXCore can operate as a standalone device when paired with appropriate CODECs where it generates all necessary clocks or as part of a more complex system where it will lock to the word clock and bit clock provided by another part of the system.
FXCore can store up to 16 programs and their associated register preset values in its internal FLASH memory so no external program storage is required.
P-QSJ73180 Transistor - Peavey, PNP 180V Output, SJ-73180, 180V, 3A
SJ-73180 (MJ21193), PNP output, 180V, 3A, TO-3 Case.
P-Q1N5818 Diode - 1N5818, Schottky, High Switching Speed, 30V, 10A
1N5818 schottky diode with low forward voltage drop and high switching speeds.
  • Very small conduction losses
  • Negligible switching losses
  • Extremely fast switching
  • Low forward voltage drop
  • Avalanche capability specified
P-QMPSA18 Transistor - MPSA18, Darlington 200mA 45V NPN
NPN Darlington transistor (TO-92 package) - designed for high gain, low noise general purpose amplifier applications.
  • Max collector to emitter voltage = 45 V
  • Max collector to base voltage = 45 V
  • Max emitter to base voltage = 6.5 V
  • Max collector current = 0.2 A (continuous)
P-Q1N53X Diode - Zener, 5 Watt, ±5% tolerance
5W zener diodes that are great for use in tube amps. These are commonly used to drop B+ voltages for tube modification compatibility or to create low power modes for the amp. A zener is a semiconductor device that, above a certain reverse voltage(the zener value) has a sudden rise in current. If forward biased, the diode is an ordinary rectifier. When reverse biased, it exhibits a sharp break in its current-voltage graph. Voltage across the diode remains essentially constant for any further increase of reverse current.
P-Q2N3904-LF Transistor - 2N3904, TO-92 case, NPN, Lead Free
General purpose low-power NPN bipolar junction transistor, used frequently in hobbyist electronic projects. This version is lead free.
For a lead free 2N3906 see P-Q2N3906-LF.
P-Q2N3906-LF Transistor - 2N3906, TO-92 case, PNP, Lead Free
General purpose low-power PNP bipolar junction transistor, used frequently in hobbyist electronic projects. This version is lead free.
For a lead free 2N3904 see P-Q2N3904-LF.
P-Q2N5088 Transistor - 2N5088, Bipolar, General Purpose
2N5088 NPN Bipolar Junction Transistor in TO-92 package
P-Q971 Diode - small signal fast switching, 1N4148A
A semiconductor device which passes current in the forward direction(from anode to cathode), and blocks current in the opposite direction. For extreme fast switches.
P-Q972 Diode - 1N34A Germanium, low leakage
The 1N34A Germanium diode is an old standby in electronics. Widely used for detecting the rectifying efficiency or for switching on a radio, TV or stereo etc.
P-QBS170 Transistor - Mosfet BS170, Small Signal
MOSFET BS170 N-Channel Transistor. Used in MOD® Kits.
Note - this is a fragile component! Use caution not to overheat or break leads.
P-QJ201 Transistor - JFET, N-Channel, MMBFJ201, SOT-23
Surface mount MMBFJ201 JFET. Commonly used in place of the discontinued through-hole J201. These JFETs can be found in many effects pedals, synthesizers, and other projects. The 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.
P-QLM317T Regulator - LM317T, Adjustable Output, 1.5A, Linear Voltage Regulator
Linear regulator with an adjustable voltage range from 1.2V to 37V. This regulator can supply 1.5A of current making it a great option for power supplies.
P-QMC78L05 Regulator - 5 Volt, Linear Voltage Regulator
5V Linear Regulator. Used in MOD® kits. This fixed-voltage monolithic integrated circuit voltage regulator is suitable for applications that required supply current up to 100 mA.
P-QMPSA13 Transistor - MPSA13, Darlington 500mA 30V NPN
NPN Darlington transistor (TO-92 package) - designed for applications requiring extremely high current gain at collector currents to 1.0A.
  • Max collector to emitter voltage = 30 V
  • Max collector to base voltage = 30 V
  • Max emitter to base voltage = 10 V
  • Max collector current = 1.2 A (continuous)
P-QPF5102 Transistor - JFET N-Ch Transistor Lo Freq / Lo Noise, PF5102
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
P-QRECT-X Bridge Rectifier - Single-phase, 2A, In-line
2A bridge rectifier in an inline package ideal for PCB use. Features:
  • Low reverse leakage
  • Low forward voltage
  • High forward surge current capability
P-QTIP47 Transistor - TIP47, NPN, Power Transistor
The TIP47 power transistor is intended for use in linear and switching applications. This series is designed for line operated audio output amplifiers, switchmode power supply drivers and other switching applications.
P-QZTX457 Transistor - ZTX457, NPN, Medium Power, High Voltage
High voltage medium-power ZTX457 transistor.
  • 300 Volt Collector-Emitter Voltage
  • 300 Volt Collector-Base Voltage
  • 0.5 Amp continuous current
  • 1 Watt Maximum Power Dissipation
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