| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
10,000 pcs
|
10000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
7,500 pcs
|
7500 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
6,251 pcs
|
6251 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
2,500 pcs
|
2500 pcs | On Request | 1 | On Request | On Request | 22+21+ | On Request | On Request | |
|
1,123 pcs
|
1123 pcs | On Request | 1 | On Request | On Request | 1970-01-01 00:32:00 | On Request | On Request | |
|
1,034 pcs
|
1034 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
8 pcs
|
8 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request | |
|
5 pcs
|
5 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Automotive Grade | |
| Current | |
| Current - Reverse Leakage @ Vr | |
| ESD Rating | |
| Flammability Rating | |
| Impedance (Max) (Zzt) | |
| Industrial Grade | |
| Lead Style | |
| Medical Grade | |
| Military Grade | |
| Mounting Type | |
| Operating Temperature | |
| Package / Case | |
| Packaging Type | |
| Power | |
| Power - Max | |
| SVHC Present | |
| Standard Package Quantity | |
| Storage Temperature | |
| Supplier Device Package | |
| Tape & Reel | |
| Tolerance | |
| Voltage | |
| Voltage - Forward (Vf) (Max) @ If | |
| Voltage - Zener (Nom) (Vz) |
The 1SMB5943BT3G is a 56V Zener diode from onsemi's 1SMB59xxBT3G series of 3W plastic surface mount voltage regulator diodes. It is designed for general-purpose voltage regulation and protection applications.
Key electrical specifications include a nominal Zener voltage of 56V with ±5% tolerance, maximum power dissipation of 3W, and a maximum impedance of 86Ω at the Zener test current. Reverse leakage current is 1µA at 42.6V, and forward voltage is 1.5V at 200mA.
The device is housed in a DO-214AA (SMB) surface mount package and is rated for operating temperatures from -65°C to +150°C. The package is void-free transfer-molded plastic with UL 94 V-0 flammability rating and is Pb-Free.
The nominal Zener voltage is 56V.
Maximum power dissipation is 3W.
The tolerance is ±5%.
The device is housed in a DO-214AA (SMB) surface mount package.
The operating temperature range is -65°C to +150°C.