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Product Detailed Parameters
- Description：TRANS NPN 80V 1.5A TO-126
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Bulk
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：1.5 A
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：63 @ 150mA, 2V
- Power - Max：1.25 W
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-225AA, TO-126-3
- Supplier Device Package：TO-126
- Grade：-
- Qualification：-
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Overview
The BD139-10-BP is an NPN silicon epitaxial planar transistor manufactured by Micro Commercial Components. It utilizes the DO-201AD (DO-204AB) axial leaded package and is designed for audio amplifier and driver applications using complementary or quasi-complementary circuits. Key electrical parameters include a maximum collector current of 1.5 A, a collector-emitter voltage rating of 80 V, and a power dissipation capacity of 12.5 W at 25°C ambient temperature. The device features a DC current gain range typically between 40 and 250.
Feature Summary
- Designed for high-power audio amplification and driver circuits
- Utilizes complementary PNP counterpart for push-pull configurations
- Robust axial leaded construction for through-hole mounting
Applications
- Audio power amplifiers
- General-purpose driver circuits
- Complementary symmetry output stages
Procurement Notes
Verify the manufacturer designation as Micro Commercial Components (MCC) rather than STMicroelectronics, as the BD139 part number is widely associated with ST. Confirm the specific suffix '-BP' corresponds to the DO-201AD axial package and RoHS compliance status in the official MCC datasheet. Ensure the '10' variant matches the required voltage and current specifications for the target application.
Selection Notes
Select this component when an NPN power transistor with 1.5 A continuous collector current and 80 V breakdown voltage is required in an axial package. Consider the thermal resistance characteristics of the DO-201AD case for heat sinking requirements. Verify compatibility with the complementary PNP transistor, such as the BD140, if designing a push-pull output stage.
Part Context
The BD139 series belongs to the family of medium-power NPN bipolar junction transistors intended for general-purpose switching and linear amplification. The BD139-10-BP specifically denotes the MCC manufacturing version in the standard axial leaded format, distinguishing it from surface-mount variants like the SOT-32 package used by other manufacturers.
Replacement Considerations
- BD139 (STMicroelectronics)
- BD139 (ON Semiconductor)
- BD139 (Diodes Incorporated)
FAQ
What is the maximum power dissipation of the BD139-10-BP?
The maximum power dissipation is 12.5 W at an ambient temperature of 25°C.
Which package type does the BD139-10-BP use?
It uses the DO-201AD (also known as DO-204AB) axial leaded plastic package.
Is the BD139-10-BP suitable for audio amplifier applications?
Yes, it is specifically designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits.
