2Pcs UC3526N PDIP-18 Switching Controllers Regulating PWM

2Pcs UC2526ANG4 PDIP-18 Switching Controllers Regulating Pulse Width Modulator

2Pcs UC3526DW SOIC-Wide-18 Switching Controllers Regulating PWM

2Pcs UC2526N PDIP-18 Switching Controllers Regulating Pulse Width Modulator

2Pcs UCC2808D-2 SOIC-8 Switching Controllers Low Pwr Current Mode Push-Pull PWM

2Pcs UCC2808AD-2 SOIC-8 Switching Controllers Low-Pwr Current-Mode Push-Pull PWM

2Pcs PIC16C54-RC/P PDIP-18