View 1sma10cat3-78cat3 datasheet:

MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by 1SMA10CAT3/D 1SMA10CAT3 Zener Transient Voltage through Suppressors 1SMA78CAT3 Specification Features: • Reverse Stand–Off Voltage Range: 10–78 V PLASTIC SURFACE MOUNT • Bidirectional Operation BIDIRECTIONAL • Peak Power — 400 Watts @ 1.0 ms ZENER OVERVOLTAGE • ESD Rating of Class 3 (>16 kV) per Human Body Model TRANSIENT SUPPRESSORS • Pico Seconds Response Time (0 V to BV) 10–78 VOLTS VR 400 WATTS PEAK POWER • Flat Handling Surface for Accurate Placement • Package Design for Top Side or Bottom Circuit Board Mounting • Available in Tape and Reel • Low Profile Package Mechanical Characteristics: • Case: Void–free, transfer-molded plastic • Maximum Case Temperature for Soldering Purposes: 260°C for 10 sec