BD139

$0.25

Description：TRANS NPN 80V 1.5A TO-126
Series：-

SKU:d0983d35c5c1 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS NPN 80V 1.5A TO-126
Series：-
Mfr：onsemi
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：40 @ 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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BD139

Overview

The BD139G is a plastic medium-power silicon NPN transistor manufactured by onsemi. It features a collector-emitter voltage (VCEO) of 80 Vdc and a collector-base voltage (VCBO) of 100 Vdc. The device supports a maximum collector current (IC) of 1.5 Adc and total device dissipation of 12.5 W at case temperature of 25°C. Operating junction temperature ranges from -55 to +150 °C. DC current gain (hFE) varies between 25 and 250 depending on collector current conditions.

Feature Summary

Designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits
Complementary pairing available with the BD140 PNP transistor
Manufactured using epitaxial planar technology

Applications

Audio amplifier circuits
Driver stages in complementary configurations
Quasi-complementary circuit designs

Procurement Notes

Verify component authenticity through official onsemi channels. Confirm RoHS compliance status and Pb-Free packaging details prior to procurement. Review datasheet revision history for updated electrical characteristics. Ensure thermal management aligns with specified derating curves. Validate package marking against official documentation.

Selection Notes

Select this component for applications requiring an NPN silicon transistor with 80 V collector-emitter voltage rating. Consider the 1.5 A continuous collector current capability for load requirements. Evaluate thermal resistance parameters for heat sink design. Verify compatibility with complementary PNP devices for push-pull topologies.

Part Context

This part belongs to the BD1xx series of plastic medium-power silicon NPN transistors. It is specifically designated as BD139G, indicating the lead-free package variant. The series includes complementary parts such as BD136, BD138, and BD140. These components are designed for general-purpose power switching and amplification tasks.