STMicroelectronics SM4T33AY Mounting Type: Surface Mount Package / Case: * Polarization: Unidirectional Power (watts): 400W Series: TRANSIL?„? Voltage - Breakdown: 31.1V Voltage - Reverse Standoff (typ): 28V Product Category: TVS Diodes - Transient Voltage Suppressors RoHS: yes Polarity: Unidirectional Operating Voltage: 28 V Breakdown Voltage: 32.7 V Clamping Voltage: 45.4 V Peak Surge Current: 8.8 A Minimum Operating Temperature: - 55 C Maximum Operating Temperature: + 150 C Channels: 1 Channel Dimensions: 5.35 mm W x 4.6 mm L x 2.45 mm H Mounting Style: SMD/SMT Peak Pulse Power Dissipation: 400 W Factory Pack Quantity: 1 Termination Style: SMD/SMT Other Names: 497-10920-2