Featured Products

IC, MDTL. Dual JK Flip-flop. Package: 14 Dip. Perfect socket pulls. Used/Removed from equipment. Note: Double marked DM9097N. Learn More

IC, military. Dual D-type positive edge triggered FF with preset and clear. Case: 14 Cdip, test dotted. Cross 54LS74. Learn More

IC. 17 Stage oscillator/divider. 3.68 to 60Hz. Package: 8 Dip. Learn More

SEALED PACKAGE LCD CONTROLLER / Driver 6MHz Learn More

IC, TTL CMOS. Octal D FF, 3 state, non-inverting. Double marked INS82C06N. Package: 20 Dip. Learn More

National Semiconductor Corp - NS16C450N IC.

Universal asynchronous receiver / transmitter. UART.

Package: 40 Dip, Socket Pulls.

Learn More

National Semiconductor Corp - LM747F IC, Dual Operational Amplifier.

Military NSN 5962-01-245-6796. Cage code: 12040.

Case: 14 Flatpack SMD, all Gold in plastic lead protectors.

Learn More

National Semiconductor Corp - PN3642  Transistor, NPN, Small Signal Bipolar Amplifier.

Max voltage: 45VCEO, 60VCBO.

Max current: 500mA.

Dissipation: 625mw.

Package: TO-92 plastic. 

Operating Temperature: -55 to 150 Deg C.

Note: Silicon.

Genuine National - Rare

Learn More

Transistor, NPN. Max voltage: 100VCEO, 150VCBO. Max current: 5Amp. Dissipation: 30 Watt. Package: TO-220AB. Operating temperature: -55 to 150 Deg C. Application: For low-frequency power amplifiers and low-speed switching. Note: Silicon epitaxial, darlington connection. Learn More

IC. Encoder/Decoder. MOS/LSI digital code transmitter - receiver system. Package: 18 Dip, Use/Perfect socket pulls. Learn More

IC, memory. 128 to 250 Bit shift register. PMOS. Serial in, serial out. Voltage supply: 5V. Dissipation: 442 mW. Package: 8 Dip. Learn More

National Semiconductor - MM5740AAD/N IC.

Got a dead keyboard? It’s likely you need to replace the encoder chip. This is the MM5740AAD/N 40-pin chip. Make sure this is the chip you need. The MM5740AAD/N should be used to replace encoder chips of the identical P/N. Please be aware that MM5740AAD/N is not interchangeable with the MM5740AAE/N encoder.   

Status: Discontinued

Capable of encoding 90 SPST switch closures into a useable 9-bit code.

Package: 40 DIP.

Note: Clean Socket Pulls. 

Used/Removed from equipment. Very nice with clean shiny leads.

Learn More

Voltage Regulator, shunt. Adjustment Range: 5V 1%. Package: TO-46 gold. Operating temp: -25 Degc to 85 DegC. Note: Precision shunt regulator diodes. Adjustable 4V to 6V, 600uA to 10mA. Learn More

IC. Dual voltage comparator. Package:16 Flatpack. Learn More

IC, operational amplifier. JFET input, low supply current, high speed. Case: TO-99 gold leads. Learn More

IC, A/D Converter. 8 Bit uP compatible. Package: 20 Dip. Used/Removed from equipment. Learn More

National Semiconductor Corp - 2N6726 - Transistor, PNP, BJT.

Max voltage: 30VCEO, 40VCBO.

Max current: 1 Amp.

Dissipation: 1 Watt.

Operating temperature: -55 to 200 Deg C.

Package: TO-237 Tab (TO-92).

Note: Silicon Mediume Power Planar. 

Genuine National Semiconductor - New Old Stock - Rare

Alternate: ECG129P, NTE129P

Learn More

National Semiconductor Corp - LM2930T-8.0 HOUSE Voltage Regulator, Linear.

Polarity: Positive. A

djustment Range: 8V fixed.

Maximum current: 150mA.

House numbered 31045.

Package: TO-220. 

 

Learn More

National Semiconductor Corp - LM137K Voltage Regulator, Linear.

Polarity: Negative.

Adjustment Range: 1.2 to 37V, 20 watt.

Maximum Current: 1.5Amp.

Package: TO-3 steel.

Learn More

National Semiconductor Corp - ADC0832CCN - IC, A/D Converter.

8 Bit serial I/O with multiplexer options.

Alternate:/Equivalent: Analog Devices MAX131AEPL+

Package: 8 Dip.

Learn More

National Semiconductor Corp - LM119J IC.

Status: Discontinued

High Speed Dual Comparator.

Package: 14 CDIP.

Learn More

National Semiconductor Corp - INS8039N-6 IC, microcontroller.

8 Bit microcomputer, 128 byte RAM. 6 MHz

Package: 40 Dip.

Learn More

National Semiconductor Corp - INS/DP8212N IC.

The an 8-bit input output port contained in a standard 24-pin dual-in-line package The device which is fabricated using Schottky Bipolar technology is part of National Semiconductor's 8080A support family The DP8212 DP8212M can be used to implement latches gated buffers or multiplexers Thus all of the major peripheral and input output functions of a microcomputer system can be implemented with this device The DP8212 DP8212M includes an 8-bit latch with TRI-STATE output buffers and device selection and control logic Also included is a service request flip-flop for the generation and control of interrupts to the microprocessor.

8-Bit Input/Output Port.

Package: 24 DIP.

Double marked P8212.

Learn More

IC. Digitalker speech synthesizer. Package: 40 Dip. New. Note: Double marked Mozer. Learn More