# Semiconductors

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 - 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 Transistor - 2N5088, Bipolar, General Purpose 2N5088 NPN Bipolar Junction Transistor in TO-92 package$0.20
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 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 - Peavey, 2N5400, PNP Amp, 120V, 20MA, TO-92 2N5400 (761), PNP general purpose amp, 120V, 10mA, TO-92 case.$0.45
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 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
Op-Amp - TL072, low-noise JFET dual operational amplifier
The TL072is 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.
$0.70 Integrated Circuit - 4558, Dual Op-Amp Dual Operational Amplifier. The 4558 integrated circuit is a dual high-gain operational amplifier internally compensated and constructed on a single silicon chip using an advanced epitaxial process. Combining the features of the NJM741 with the close parameter matching and tracking of a dual device on a monolithic chip results in unique performance characteristics. Excellent channel separation allows the use of the dual device in single NJM741 operational amplifier applications providing density. It is especially well suited for applications in differential-in, differential-out as well as in potentiometric amplifiers and where gain and phase matched channels are mandatory. Features: • Operating Voltage ( ±4V$±18V ) • High Voltage Gain ( 100dB typ. ) • High Input Resistance ( 5MΩ typ. ) • Bipolar Technology$0.75 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 Transistor - TIP41C, NPN Epitaxial Transistor Transistor TIP41C, TO-220 Case. NPN Epitaxial Silicon Transistor Complementary to TIP42 (P-QTIP42C) Max ratings: • Collector-Base voltage = 100V • Collector-Emitter Voltage = 100V • Emitter-Base Voltage = 5V • Collector current (DC) = 6A • Collector current (Pulse) = 10A • Base current = 2A$0.80 Transistor - TIP42C, PNP Epitaxial Transistor Transistor TIP42C, TO-220 Case. PNP Epitaxial Silicon Transistor Complementary to TIP41 (P-QTIP41C) Max ratings: • Collector-Base voltage = -100V • Collector-Emitter Voltage = -100V • Emitter-Base Voltage = -5V • Collector current (DC) = -6A • Collector current (Pulse) = -10A • Base current = -2A $0.80 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.$0.95 Integrated Circuit - NE5532, Low-Noise Dual Op-Amp This a high performance dual low noise operational amplifier. Compared to the standard dual operational amplifiers, such as the NJM1458, it shows better noise performance, improved output drive capability, and considerably higher small-signal and power bandwidths. it is compensated internally for voltage follower circuit. This makes the device especially suitable for application in high quality and professional audio equipment, instrumentation, control circuits, and telephone channel amplifiers Features: • Operating Voltage = ±3V$±22V
• Small Signal Bandwidth = 10MHz typ.
• Output Drive Capability = 600Ω,10Vrms typ.
• Input Noise Voltage = 5nV/√Hz typ.
• Power Bandwidth = 140kHz typ.
• Slew Rate = 8V/µs typ.
• Bipolar Technology
$1.15 Integrated Circuit - TL074, Quad Op-Amp Low noise JFET quad operational amplifier. Incorporates well matched, high-voltage JFET and bipolar transistors in a monolithic integrated circuit. Features high slew rates, low input bias and offset currents, and low offset voltage temperature coefficients. Features: • Wide common-mode and differential voltage range • Low input bias and offset current • Low noise en = 15 nV/HZ • Output short-circuit protection • High input impedance JFET input stage • Low harmonic distortion: 0.01% • Internal frequency compensation • Latch up free operation • High slew rate: 16 V/us (typical)$1.15
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 Regulator - 5 Volt, used in MOD® Pedal Kits 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.$1.25
Integrated Circuit - LM386N-1/NOPB
LM386 Low Voltage Audio Power Amplifier The LM386 is a mono low voltage amplifier that can be used in a variety of applications. It can drive loads from 4 Ω to 32 Ω. The gain is internally set to 20 but it can be modified from 20 to 200 by placing a resistor and capacitor between pins 1 and 8. As this is an Op Amp it can be used in different configurations to fit in several applications. The internal gain setting resistor allows the LM386 to be used in a very low part count system. In addition a series resistor can be placed between pins 1 and 5 to modify the gain and frequency response for specific applications. These are found in many small audio amplifiers and even tiny pedal sized guitar amplifiers! There are tons of possibilities for this little Op Amp.
$1.25 Transistor - Peavey, SDS 7204, 300V, 10MA SDS 7204, 300V, 10 mA, Case-30.$1.45
Diode Thyristor - Peavey, SBS 14 Bidirectional, 8V, TO-92 Case
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
\$1.50
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