1ZC12A~1ZC120A TOSHIBA ZENER DIODE SILICON DIFFUSED TYPE 1ZC12A~1ZC120A CONSTANT VOLTAGE REGULATION TELEPHONE, PRINTER USES Unit: mm l Average Power Dissipation l Zener Voltage l Tolerance of Zener Voltage (VZ) l Plastic Mold Package : P=1.0W : VZ=12~120V : ±5% MAXIMUM RATINGS (Ta=25°C) CHARACTERISTIC Power Dissipation Junction Temperature Storage Temperature Range SYMBOL P Tj Tstg RATING 1.0 40~150 40~150 UNIT W °C °C MARK JEDEC ― EIAJ ― TOSHIBA 3 3F2A .