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Product Detailed Parameters
- Description：TRANS PNP 60V 1.5A SOT-32-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：1.5 A
- Voltage - Collector Emitter Breakdown (Max)：60 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：40 @ 150mA, 2V
- Power - Max：1.25 W
- Frequency - Transition：-
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-225AA, TO-126-3
- Supplier Device Package：SOT-32-3
- Grade：-
- Qualification：-
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Overview
The BD138 is a PNP silicon epitaxial planar transistor housed in the SOT-32 (TO-126) plastic package. It features a collector-base voltage of -60 V, a collector-emitter voltage of -60 V, and a maximum continuous collector current of -1.5 A. The device supports a peak collector current of -3 A with a total power dissipation of 1.25 W at ambient temperatures up to 25 °C. DC current gain ranges from 25 to 250 depending on operating conditions.
Feature Summary
- Designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits
- High DC current gain suitable for signal amplification applications
- Complements NPN types such as the BD137
Applications
- Audio amplifier circuits
- Driver stages in electronic systems
- Complementary circuit designs
Procurement Notes
Verify the specific manufacturer datasheet to confirm absolute maximum ratings and thermal resistance values. Ensure the selected component matches the required SOT-32 package dimensions and pinout configuration for proper integration into the target circuit design.
Selection Notes
Select this component when a PNP transistor with a 60 V rating and 1.5 A current capacity is required. Consider the complementary BD137 NPN transistor for matched pairs in push-pull configurations. Verify thermal management requirements based on the specified power dissipation limits.
Part Context
This part belongs to a series of medium-power linear and switching transistors designed for general-purpose amplification. It serves as the PNP counterpart to the BD137 NPN transistor within the same product family, sharing similar mechanical packaging and operational characteristics.
Replacement Considerations
BD137
FAQ
What is the maximum collector-emitter voltage for the BD138?
The maximum collector-emitter voltage (VCEO) is -60 V.
Is the BD138 compatible with the BD137?
Yes, the BD138 is the complementary PNP type to the BD137 NPN transistor.
What package does the BD138 use?
The BD138 is mounted in the Jedec SOT-32 plastic package.
