View sma6j-series datasheet:

SMA6J Datasheet High junction temperature Transil™ Features • Peak pulse power: A A – 600 W (10/1000 μs) – 4 kW (8/20 μs) K K • Stand-off voltage range: from 5 V to 188 V • Unidirectional and bidirectional types Unidirectional Bidirectional • Low leakage current: SMA (JEDEC DO-214AA) – 0.2 μA at 25 °C – 1 μA at 85 °C • Operating Tj max: 175 °C • JEDEC registered package outline • Complies with the following standard: IEC 61000-4-2 level 4: – ±15 kV (air discharge) – ±8 kV (contact discharge) • Complies with the following standard: MIL STD 883G, method 3015-7, class 3B: – ±25 kV HBM (human body model) Description The SMA6J Transil series has been designed to protect sensitive equipment against electro-static discharges