Mullard Magic: For All Your Vintage Valve and Radio Needs!
AEI, SYNCHRONOUS CHOPPER, 12.6V 50 - 60Hz, B9A BASED,
CS2-A, microwave diode, by AEI, dated April 1966
SARKES TARZIAN, S5298, OCTAL BASED SILICON RECTIFIER REPLACEMENT, GZ34, GZ32, 5U4G, 5Y4GY, RECTIFIERS