BD439
TRANS NPN 60V 4A TO126Manufacturer: onsemi
Categories: Single Bipolar Transistors
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The onsemi BD439 is a bipolar junction transistor (BJT) with an NPN configuration. This through-hole component, packaged in a TO-126 (TO-225AA) case, offers a maximum collector current (Ic) of 4 A and a collector-emitter breakdown voltage (Vce) of 60 V. It features a transition frequency of 3 MHz and a maximum power dissipation of 36 W. The DC current gain (hFE) is at least 40 at 500 mA and 1 V, with a Vce(sat) not exceeding 800 mV at 300 mA collector current and the corresponding base drive. The BD439 is suitable for applications in power switching and general-purpose amplification across various industrial sectors.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| 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 | 40 @ 500mA, 1V |
| Frequency - Transition | 3MHz |
| Supplier Device Package | TO-126 |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 60 V |
| Power - Max | 36 W |
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