Procurement Snapshot
| Procurement Field | Value |
|---|---|
| Exact MPN | 1SMB5956BT3G |
| Manufacturer | onsemi |
| Package | SMB |
| Availability | Request current stock and lead time by RFQ |
| Datasheet | Verified PDF |
Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Zener Voltage(Range) | 190V~210V |
| Zener Voltage(Nom) | 200V |
| Reverse Leakage Current (Ir) | 1uA@152V |
| Pd – Power Dissipation | 3W |
| Operating Junction Temperature Range | -65℃~+150℃ |
| Package | SMB |
| Diode Configuration | 1 Independent |
| Impedance(Zzt) | 1.2kΩ |
Product Overview
1SMB5956BT3G is a Zener Diode Independent 200V 3W Surface Mount SMB from onsemi. The exact manufacturer order code is preserved for BOM, RFQ and incoming-inspection control. The verified package is SMB, and the verified functional category is Single Zener Diodes. Confirmed selection data for this exact listing includes Zener Voltage(Range) 190V~210V, Zener Voltage(Nom) 200V, Reverse Leakage Current (Ir) 1uA@152V, Pd – Power Dissipation 3W.

Alternative Candidates
| MPN | Manufacturer | Package |
|---|---|---|
| TP1SMB5956BT3G | TECH PUBLIC | SMB |
| SMB3Z200A | XCH | SMB |
| SMB3Z200A | ZHIDE | SMB |
| SZ1SMB5956BT3G | onsemi | SMB |
| 1SMB5956H | Taiwan Semiconductor | DO-214AA(SMB) |
| 1SMB5956 | Taiwan Semiconductor | DO-214AA(SMB) |
| 1PGSMB5956 | Taiwan Semiconductor | DO-214AA(SMB) |
| 1PGSMB5956H | Taiwan Semiconductor | DO-214AA(SMB) |
| 1PGSMB5956 R5G | Taiwan Semiconductor | DO-214AA(SMB) |
| 1PGSMB5956HR5G | Taiwan Semiconductor | DO-214AA(SMB) |
These candidates are listed by LCSC. Verify electrical characteristics, pinout, package, qualification and application requirements before substitution.
Quality & RFQ Support
For quotation or inspection requirements, provide the exact MPN, quantity, destination, target Date Code if applicable, and any requested third-party testing before shipment.





