# Semiconductors

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.
Starting at $0.00 Diode - General purpose rectifier, 1A, 1N400X A semiconductor device which passes current in the forward direction (from anode to cathode), and blocks current in the opposite direction. Starting at$0.15
Diode - 1N5817, Schottky, High Switching Speed
Schottky diode with low forward voltage drop and high switching speeds.
$0.15 IC Socket - Dual in-line package, 2.54mm Pitch, 7.62mm Spacing IC component sockets for dual in-line package chips (DIP, PDIP, DIL, DIPP.) These sockets feature ladder style cases with tinned stamped and formed connections. Starting at$0.15
Op-Amp - LM324, Quad, Low-Power, 14-Pin DIP
Quad low-power opamps in an 14-pin DIP package. The LM324 offers a 1MHz bandwidth and can be powered from a single supply.
$0.18 Transistor - 2N3904, TO-92 case, NPN General purpose low-power NPN bipolar junction transistor, used frequently in hobbyist electronic projects.$0.18
Transistor - BC550 B, TO-92 case, NPN
Low noise transistor for audio frequency amplifier applications.
$0.19 Diode - Zener, 1W, 1N4741A, 1N4748A 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.$0.20
Diode - Fast Recovery, 1A, 600V, 1N4937
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.
$0.20 Transistor - 2N5088, Bipolar, General Purpose 2N5088 NPN Bipolar Junction Transistor in TO-92 package$0.20
Op-Amp - TL082, Dual, Wide-Bandwidth, JFET Input, 8-Pin DIP
Dual wide-bandwidth TL082 opamps in an 8-pin DIP package. The TL082 offers a high input impedance and 4MHz bandwidth.
$0.21 Op-Amp - TL062, Dual, Low-Power, JFET Input, 8-Pin DIP Dual low power opamps in an 8-pin DIP package. The TL062 offers a high input impedance and 1MHz bandwidth.$0.28
Op-Amp - LF353, Dual, Wide-Bandwidth, JFET Input, 8-Pin DIP
Dual wide-bandwidth LF353 opamps in an 8-pin DIP package. The LF353 offers a high input impedance and 3MHz bandwidth.
This LF353 device is a low-cost, high-speed, JFET input operational amplifier with very low input offset voltage. It requires low supply current yet maintains a large gain-bandwidth product and a fast slew rate. In addition, the matched high-voltage JFET input provides very low input bias and offset currents.
$0.34 Diode - Silicon Rectifier, 3A, 400V, 1N5404 A semiconductor device which passes current in the forward direction(from anode to cathode), and blocks current in the opposite direction.$0.35
Diode - standard recovery rectifier, 3A, 1000V, 1N5408
1N5408 Diode. Lead mounted standard recovery rectifiers are designed for use in power supplies and other applications having need of a device with the following features:
• High Current to Small Size
• High Surge Current Capability
• Low Forward Voltage Drop
$0.38 Transistor - 2N5089, TO-92 case, NPN General purpose low level, low noise amplifier. Silicon NPN transistor.$0.39
Transistor - Peavey, 2N5400, PNP Amp, 120V, 20MA, TO-92
2N5400 (761), PNP general purpose amp, 120V, 10mA, TO-92 case.
$0.45 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)$0.49
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.
$0.50 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.$0.50
LED - 3mm diameter, diffused lens, 3.6 mCd
Package of 5
Colors Available:
Lens Diameter: 3 mm Overall Height: 5.4 mm Lens Type: Diffused Multiple color options available.
$0.65 Op-Amp - TL072, Dual, Low-Noise, JFET Input, 8-Pin DIP The TL072 is a high speed JFET input dual operational amplifier incorporating well matched, high voltage JFET and bipolar transistors in a monolithic integrated circuit. The device features high slew rates, low input bias and offset current, and low offset voltage temperature coefficient.$0.70
Op-Amp - 4558, Dual high-gain, 8-Pin DIP
Dual Operational Amplifier. The 4558 integrated circuit is a dual high-gain operational amplifier internally compensated and constructed on a single silicon chip using an advanced epitaxial process. Combining the features of the NJM741 with the close parameter matching and tracking of a dual device on a monolithic chip results in unique performance characteristics. Excellent channel separation allows the use of the dual device in single NJM741 operational amplifier applications providing density. It is especially well suited for applications in differential-in, differential-out as well as in potentiometric amplifiers and where gain and phase matched channels are mandatory. Features:
• Operating Voltage (±4V~±18V)
• High Voltage Gain (100dB typ.)
• High Input Resistance (5MΩ typ.)
• Bipolar Technology
$0.75 Integrated Circuit - PT2399, Echo / Delay PT2399 echo/delay chip used in many DIY and commercial pedals. The PT2399 is in a DIP 16 package. Minimal external components are required for use and delay time is set with resistance.$0.78
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