BD437
TRANS NPN 45V 4A SOT32-3Manufacturer: STMicroelectronics
Categories: Single Bipolar Transistors
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STMicroelectronics BD437 is an NPN bipolar junction transistor designed for robust performance in power switching and amplification applications. This component features a maximum collector current (Ic) of 4A and a collector-emitter breakdown voltage (Vce) of 45V. With a transition frequency of 3MHz and a maximum power dissipation of 36W, the BD437 is suitable for use in industrial control systems, power supplies, and automotive electronics. Key electrical parameters include a minimum DC current gain (hFE) of 30 at 10mA and 5V, and a maximum Vce(sat) of 600mV at 200mA and 2A. The transistor is housed in a SOT-32-3 (TO-225AA, TO-126-3) package and is supplied in tubes for efficient assembly. It operates within an ambient temperature range up to 150°C (TJ).
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 14 week(s)Product Status: Not For New DesignsPackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-225AA, TO-126-3 |
| Mounting Type | Through Hole |
| Transistor Type | NPN |
| Operating Temperature | 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 600mV @ 200mA, 2A |
| Current - Collector Cutoff (Max) | 100µA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 10mA, 5V |
| Frequency - Transition | 3MHz |
| Supplier Device Package | SOT-32-3 |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 45 V |
| Power - Max | 36 W |
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