Microchip Technology SMBJ17E3/TR13, Zener TVS Diode, 600W Peak Pulse, 17V Reverse Standoff, 30.5V Clamping, DO-214AA SMB, Surface Mount, Tape & Reel
| Parameter | Value |
|---|---|
| Type | Zener |
| Mounting | Surface Mount |
| Voltage - breakdown | 18.9V |
| Voltage - clamping (Max) @ ipp | 30.5V |
| Voltage - reverse standoff | 17V |
| Current - peak pulse (10/1000μs) | 19.7A |
| Power - peak pulse | 600W |
| Power line protection | No |
| Operating temperature | -65°C~150°C(TJ) |
| Package | Tape & Reel (TR) |
| Applications | General Purpose |
| Case | DO-214AA, SMB |
| Unidirectional channels | 1 |
The 30.5V maximum clamping voltage at 19.7A peak pulse current sets the upper limit the protected circuitry must survive. The 18.9V minimum breakdown voltage ensures the device starts conducting before the rail exceeds safe levels.
The base product number is SMBJ17, and the suffix indicates lead-free / RoHS-compliant construction.
SMBJ17A is a common alternative from the same SMBJ family with identical 17V standoff and DO-214AA package. The key difference is the suffix on this part, which designates lead-free / RoHS-compliant construction. Both are active and functionally interchangeable for most designs.