2Pcs UC3525BDWTR SOIC-16 Switching Controllers Regulating Pulse Width Modulator

2Pcs UC28025DWG4 Switching Controllers Regulating Pulse Width Modulator

2Pcs PIC16C54-LP/P PDIP-18

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2Pcs UC2572DTR SOIC-8 Switching Controllers Neg-Out Flyback Pls Width Modulator

2Pcs L4973V5.1 PDIP-18 Switching Voltage Regulators 5.1V 3.5A Step-Down

2Pcs PIC16C717-I/P PDIP-18 8-bit Microcontrollers - MCU 3.5KB 256 RAM 16 I/O

2Pcs PIC16C56-LP/P PDIP-18