1Pcs UC3867N PDIP-16 Switching Controllers Resonant-Mode

1Pcs UCC2810N PDIP-16 Switching Controllers Dual Ch Sync Current Mode

1Pcs SG2524N PDIP-16 Switching Controllers Voltage Mode PWMs

1Pcs UC3527AN PDIP-16 Switching Controllers Regulating Pulse Width Modulator

1Pcs UC3856DW SOIC-16 Switching Controllers Current Mode

1Pcs UCC2810DW SOIC-16 Switching Controllers Dual Ch Sync Current Mode

UC3856N Improved Current Mode PWM Controller DIP16

1Pcs UC2525BN PDIP-16 Switching Controllers Regulating Pulse Width Modulator