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Product Detailed Parameters
- Description：TRANS PNP 80V 2A TO-220-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：2:00 AM
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：700mV @ 200mA, 1A
- Current - Collector Cutoff (Max)：300µA
- DC Current Gain (hFE) (Min) @ Ic, Vce：15 @ 1A, 4V
- Power - Max：30 W
- Frequency - Transition：-
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220-3
- Grade：-
- Qualification：-
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Overview
The BD240B is a PNP epitaxial silicon power transistor designed for medium-power linear and switching applications. It features a collector-emitter sustaining voltage of 80 V and a continuous collector current rating of 2 A, with a peak pulse current capability of 4 A. The device is housed in a TO-220 package, providing a maximum collector dissipation of 30 W at 25°C case temperature. It serves as the complementary counterpart to the BD239B.
Feature Summary
- PNP polarity configuration utilizing epitaxial silicon technology
- Complementary pairing with the BD239B series
- Suitable for medium-power linear and switching operations
Applications
- Linear amplifier circuits
- General-purpose switching applications
- Power supply output stages
Procurement Notes
Verify the specific part number suffix against the manufacturer's official database to ensure compatibility with ON Semiconductor system requirements following the Fairchild integration. Confirm that the ordering nomenclature reflects the transition from underscore to dash formatting where applicable. Always validate final specifications directly with the supplier before procurement.
Selection Notes
Select this component when a PNP power transistor with an 80 V collector-emitter sustaining voltage is required. Ensure the application design accommodates the 2 A continuous current limit and the thermal management needs for up to 30 W dissipation. Verify that the TO-220 package dimensions align with the available board space and mounting constraints.
Part Context
This device belongs to the BD240/A/B/C family of PNP power transistors. The 'B' designation specifically denotes the 80 V breakdown voltage variant within this lineup. These components are widely used as high-current drivers and are typically paired with their NPN counterparts, such as the BD239 series, for push-pull configurations.
Replacement Considerations
The BD240A (60 V) and BD240C (100 V) variants share identical pinouts and physical packages. Substitution requires verifying that the alternative voltage rating meets the circuit's operational requirements.
