STMicroelectronics · TVS Diodes
SMA4F18AY
TVS DIODE 18VWM 29.2VC SMAFLAT
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SMA4F18AY specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | SMA4F18AY |
| Family | TVS Diodes |
| Package | DO-221AC, SMA Flat Leads |
| Product Status | Active |
| Type | Zener |
| Unidirectional Channels | 1 |
| Bidirectional Channels | Not provided in source |
| Voltage - Reverse Standoff (Typ) | 18V |
| Voltage - Breakdown (Min) | 20V |
| Voltage - Clamping (Max) @ Ipp | 29.2V |
| Current - Peak Pulse (10/1000µs) | 13.7A |
| Power - Peak Pulse | 400W |
| Power Line Protection | No |
| Applications | Automotive |
| Capacitance @ Frequency | Not provided in source |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | DO-221AC, SMA Flat Leads |
| Supplier Device Package | SMAflat |
Documents and evidence
SMA4F18AY ↗Before sourcing SMA4F18AY
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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