Sylvania ECG Component ECG123 Transistor w/ Original Box

Sylvania ECG Component ECG123A Transistor w/ Original Box

ECG123A ~ SYLVANIA ~ TRANSISTOR

Vintage Sylvania ECG Component ECG123A NPN Silicon Transistor NOS Factory Sealed

Sylvania ECG123A NPN audio amplifier silicon transistor

Sylvania NEW OLD STOCK ECG TRANSISTOR Lot O 10

Sylvania Philips ECG123A NPN Silicon Transistor AF/RF Amp Switch 75V 200mHz

Sylvania ECG123A transistor NPN package TO-18 gold color leads