BD437T
TRANS NPN 45V 4A TO126Manufacturer: onsemi
Categories: Single Bipolar Transistors
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The onsemi BD437T is an NPN bipolar junction transistor (BJT) designed for through-hole mounting in a TO-126 package. This component features a maximum collector-emitter breakdown voltage of 45 V and a continuous collector current capability of 4 A. It offers a power dissipation of 36 W and a transition frequency of 3 MHz. The device exhibits a minimum DC current gain (hFE) of 85 at 500 mA and 1 V, with a saturation voltage (Vce(sat)) of 800 mV at 300 mA and 3 A. Typical applications include power switching and amplification in industrial, automotive, and consumer electronics. The operating temperature range is -55°C to 150°C.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: 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 | -55°C ~ 150°C (TJ) |
| Vce Saturation (Max) @ Ib, Ic | 800mV @ 300mA, 3A |
| Current - Collector Cutoff (Max) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 85 @ 500mA, 1V |
| Frequency - Transition | 3MHz |
| Supplier Device Package | TO-126 |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 45 V |
| Power - Max | 36 W |
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