BD438STU
TRANS PNP 45V 4A TO126-3Manufacturer: onsemi
Categories: Single Bipolar Transistors
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onsemi BD438STU is a PNP bipolar junction transistor (BJT) designed for power switching and amplification applications. This through-hole component features a maximum collector-emitter breakdown voltage (Vce) of 45V and a continuous collector current (Ic) rating of 4A. With a power dissipation of 36W and a transition frequency of 3MHz, the BD438STU is suitable for power control circuits, voltage regulation, and general-purpose amplification. It is supplied in a TO-126-3 package. Key electrical characteristics 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 device operates within an ambient temperature range up to 150°C (TJ). This transistor finds application in industrial automation and power management systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-225AA, TO-126-3 |
| Mounting Type | Through Hole |
| Transistor Type | PNP |
| 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 | TO-126-3 |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 45 V |
| Power - Max | 36 W |
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