Fairchild Semiconductor SMCJ18A_Q Breakdown Voltage: 20 V Channels: 1 Channel Clamping Voltage: 29.2 V Dimensions: 6.25 (Max) mm W x 7.15 (Max) mm L Maximum Operating Temperature: + 150 C Minimum Operating Temperature: - 55 C Operating Voltage: 18 V Package / Case: DO-214AB Peak Pulse Power Dissipation: 1500 W Peak Surge Current: 5 uA Polarity: Unidirectional Product Category: TVS Diodes - Transient Voltage Suppressors Series: SMCJ Termination Style: SMD/SMT