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Product Detailed Parameters
- Description：TRANS PNP 80V 2A TO-126-3
- Series：-
- Mfr：onsemi
- Package：Tube
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：2:00 AM
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：600mV @ 100mA, 1A
- Current - Collector Cutoff (Max)：100µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：25 @ 1A, 2V
- Power - Max：25 W
- Frequency - Transition：3MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-225AA, TO-126-3
- Supplier Device Package：TO-126-3
- Grade：-
- Qualification：-
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Overview
The BD238STU is a PNP silicon power transistor manufactured by onsemi, designed as the complementary counterpart to the NPN BD235. It utilizes planar technology with a base island layout to achieve high gain and low saturation voltage. The device is housed in a surface-mount STU package, suitable for automated assembly. Key electrical characteristics include a collector-emitter voltage rating of 60 V and a continuous collector current capability of 1.5 A. It is engineered for linear and switching applications requiring medium power handling.
Feature Summary
- Complementary PNP configuration paired with NPN BD235
- Low saturation voltage for efficient power management
- High gain performance via base island layout
Applications
- Linear amplifier circuits
- Power switching applications
- Complementary output stages
Procurement Notes
Verify the manufacturer marking and date code against official onsemi documentation to ensure authenticity. Confirm the package type matches the STU specification. Check for RoHS compliance status if required by your design specifications. Ensure the component is sourced from authorized distributors to avoid counterfeit parts.
Selection Notes
Select this component when a PNP power transistor is needed to complement an NPN device like the BD235. Consider its 60 V rating and 1.5 A current capacity for medium-power designs. Evaluate thermal requirements based on the specific application's power dissipation needs. Verify that the surface-mount package fits the PCB layout constraints.
Part Context
This part belongs to the BD23x series of complementary silicon power transistors. These devices are widely used in audio amplifiers and motor control circuits where matched NPN/PNP pairs are beneficial. The series offers a balance of performance and cost-effectiveness for general-purpose power applications.
Replacement Considerations
Compatible substitutes include the BD238 from other manufacturers such as STMicroelectronics or Fairchild Semiconductor, provided pinouts and electrical ratings match. Verify thermal resistance and package dimensions before substitution.
