STMicroelectronics · TVS Diodes
HSP181-2W3Y
AUTOMOTIVE GRADE 18V DUAL-LINE H
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
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HSP181-2W3Y specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | HSP181-2W3Y |
| Family | TVS Diodes |
| Package | SC-70, SOT-323 |
| Product Status | Active |
| Type | Zener |
| Unidirectional Channels | 2 |
| Bidirectional Channels | Not provided in source |
| Voltage - Reverse Standoff (Typ) | 18V (Max) |
| Voltage - Breakdown (Min) | 21.5V |
| Voltage - Clamping (Max) @ Ipp | 29V |
| Current - Peak Pulse (10/1000µs) | 2A (8/20µs) |
| Power - Peak Pulse | 50W |
| Power Line Protection | No |
| Applications | Automotive, USB |
| Capacitance @ Frequency | 2.1pF @ 1MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | SC-70, SOT-323 |
| Supplier Device Package | SOT-323-3 |
Documents and evidence
HSP181-2W3Y ↗Before sourcing HSP181-2W3Y
- 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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