SMA4F18A
TVS DIODE 18VWM 39.3VC SMAFLATManufacturer: STMicroelectronics
Categories: TVS Diodes
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STMicroelectronics SMA4F18A is a unidirectional TVS diode from the TRANSIL™ SMA4F series, designed for robust transient voltage suppression. Featuring a reverse standoff voltage of 18V, this component offers a breakdown voltage of 20V (minimum) and a maximum clamping voltage of 39.3V at a peak pulse current of 13.7A. It dissipates a peak pulse power of 400W. The diode is housed in a compact SMAflat (DO-221AC, SMA Flat Leads) surface mount package, suitable for applications requiring efficient space utilization. Operating across a wide temperature range of -55°C to 175°C, the SMA4F18A is commonly employed in general-purpose protection circuits across various industries. The device is supplied in Tape & Reel packaging.
Additional Information
Series: SMA4F, TRANSIL™RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | DO-221AC, SMA Flat Leads |
| Mounting Type | Surface Mount |
| Type | Zener |
| Operating Temperature | -55°C ~ 175°C (TJ) |
| Applications | General Purpose |
| Capacitance @ Frequency | - |
| Current - Peak Pulse (10/1000µs) | 13.7A |
| Voltage - Reverse Standoff (Typ) | 18V |
| Supplier Device Package | SMAflat |
| Unidirectional Channels | 1 |
| Voltage - Breakdown (Min) | 20V |
| Voltage - Clamping (Max) @ Ipp | 39.3V |
| Power - Peak Pulse | 400W |
| Power Line Protection | No |
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