# Semiconductors

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)
$0.30 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$0.75
On Backorder
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.
$0.15 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
LED - 3mm diameter, diffused lens
Package of 5
Colors Available:
Lens Diameter: 3 mm Overall Height: 5.4 mm Lens Type: Diffused Multiple color options available.
$0.65 Switch - Vibrato LDR, for Fender® Amps Optocoupler. Vibrato LDR for Fender Amps. Fix the dead LDR style tremolo on your vintage Fender amps as well as others. • Non- polarized optical side is indicated by silver dot and slightly longer leads • Resistive side is indicated only by slightly shorter leads This information can also be found within the diagram located in the Specifications, Files, and Documents section on this page.$8.95
Optocoupler - Vactec, for Channel Switching
VacTec Vactrol. Opto-isolator with 4 leads. Used in Crate and others.
$7.95 Diode - General purpose rectifier, 1A, 1N4005, 1N4006, 1N4007 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 - 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 - 2N3055, High Power NPN Silicon, TO-3 Case
15 A, 60 V, 115 W
EPIBASE - Designed for power amplifier and switching regulator applications. The best choice where high frequency response, low switching losses and good safe operating area are required.
• Current Gain - Bandwidth Product - fT = 2.5 MHz (Min) @ Ic = 1.0 Adc
• Safe Operating Area - Full Power Rating to 40 V
$2.25 Transistor - Peavey, 2N5400, PNP Amp, 120V, 20MA, TO-92 2N5400 (761), PNP general purpose amp, 120V, 10mA, TO-92 case.$0.45
Integrated Circuit - 4558, Dual Op-Amp
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 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
Diode - 1N34A Germanium
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.
$1.75 Transistor - Fender®, A1837, amplifier application A1837 Transistor - Fender. Power amplifier applications and Driver Stage Amplifier Applications.$3.95
Rectifier - Single-phase Bridge, 3A 400V
A full wave rectifier with 4 elements in a bridge circuit so that DC voltage is obtained from one pair of junctions when an AC voltage is applied to another pair of junctions.
$0.95 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.$1.25
Integrated Circuit - for Marshall, DG212CJ
DG212CJ, used in certain Marshall amplifiers. The DG212 are low cost quad single-pole single-throw analog switches for use in general purpose switching applications in communication, instrumentation and process control.
$7.50 Diode - Hexfred, ultrafast soft recovery, 8A, 600V High performance, ultrafast diodes. Improve efficiency, reduce noise, allow higher frequency operation.$2.75
Diode - Hexfred, ultrafast soft recovery, 16A, 1200V
High performance, ultrafast diodes. Improve efficiency, reduce noise, allow higher frequency operation.
$8.10 Diode - Hexfred, 16A, 600V High performance, ultrafast diodes. Improve efficiency, reduce noise, allow higher frequency operation.$2.92
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Originally: $4.00 Operation Amplifier - with switch, M5201 The NJM2120 is a dual operational amplifier of 2-INPUT and 1-OUTPUT with analog switch. The NJM2120 can be used as analog switch under the condition of GV=0dB, as Switch + Amp in order that each gain (A or B) can be adjusted independently. Each amplifier of the NJM2120 has the same electrical characteristics as the NJM4558. The NJM2120 is suitable for audio, video, electrical musical instrument, etc.$4.50
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