Automotive 400W TVS diode in SMA package, featuring bidirectional transient voltage suppression. Offers a 33V reverse standoff voltage with a 40.5V maximum breakdown voltage and 53.3V clamping voltage. Designed for surface mount applications with a 7.5A maximum surge current and 33A peak pulse current. Operates across a wide temperature range from -55°C to 150°C with low 200nA leakage current.
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Stmicroelectronics SM4T39CAY technical specifications.
| Package/Case | DO-214AC |
| Clamping Voltage | 53.3V |
| Diode Type | ZENER |
| Direction | Bidirectional |
| Height | 2.45mm |
| Leakage Current | 200nA |
| Length | 4.6mm |
| Max Breakdown Voltage | 40.5V |
| Min Breakdown Voltage | 36.7V |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -55°C |
| Max Power Dissipation | 400W |
| Max Reverse Leakage Current | 200nA |
| Max Surge Current | 7.5A |
| Mount | Surface Mount |
| Number of Bidirectional Channels | 1 |
| Number of Elements | 1 |
| Operating Supply Voltage | 33V |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Peak Pulse Current | 33A |
| Peak Pulse Power | 400W |
| Polarity | Bidirectional |
| Power Line Protection | No |
| Reach SVHC Compliant | No |
| Reverse Breakdown Voltage | 36.7V |
| Reverse Standoff Voltage | 33V |
| RoHS Compliant | Yes |
| Series | Automotive, AEC-Q101, SM4TY, TRANSIL™ |
| Termination | SMD/SMT |
| Width | 2.9mm |
| RoHS | Compliant |
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