Unidirectional Transient Voltage Suppressor (TVS) diode with 400W peak pulse power and 59A peak pulse current. Features an 18V reverse standoff voltage, 20.9V minimum breakdown voltage, and 23.1V maximum breakdown voltage. Offers a 39.3V clamping voltage and 200nA leakage current. Designed for surface mount applications with a wide operating temperature range of -55°C to 175°C. RoHS compliant and lead-free.
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Stmicroelectronics SMM4F18A-TR technical specifications.
| Clamping Voltage | 39.3V |
| Clamping Voltage-Max | 39.3V |
| Diode Type | ZENER |
| Direction | Unidirectional |
| Lead Free | Lead Free |
| Leakage Current | 200nA |
| Max Breakdown Voltage | 23.1V |
| Min Breakdown Voltage | 20.9V |
| Max Operating Temperature | 175°C |
| Min Operating Temperature | -55°C |
| Max Reverse Leakage Current | 200nA |
| Max Surge Current | 59A |
| Mount | Surface Mount |
| Number of Elements | 1 |
| Number of Unidirectional Channels | 1 |
| Operating Supply Voltage | 18V |
| Package Quantity | 12000 |
| Packaging | Tape and Reel |
| Peak Pulse Current | 59A |
| Peak Pulse Power | 400W |
| Polarity | Unidirectional |
| Power Dissipation | 400W |
| Power Line Protection | No |
| Radiation Hardening | No |
| Reverse Breakdown Voltage | 20.9V |
| Reverse Standoff Voltage | 18V |
| RoHS Compliant | Yes |
| Series | SMM4F, TRANSIL™ |
| RoHS | Compliant |
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