Overview
The BD138G is a medium-power silicon PNP transistor manufactured by onsemi. This transistor is part of the BD136G, BD138G, and BD140G series, designed for use in audio amplifiers and drivers, particularly in complementary or quasi-complementary circuits. The BD138G is known for its high DC current gain and is RoHS compliant, making it suitable for a variety of electronic applications.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 60 | Vdc |
| Collector-Base Voltage | VCBO | 60 | Vdc |
| Emitter-Base Voltage | VEBO | 5.0 | Vdc |
| Collector Current | IC | 1.5 | Adc |
| Base Current | IB | 0.5 | Adc |
| Total Device Dissipation @ TA = 25°C | PD | 12.5 | Watts |
| Operating and Storage Junction Temperature Range | TJ, Tstg | –55 to +150 | °C |
| Thermal Resistance, Junction-to-Case | RJC | 10 | °C/W |
| Thermal Resistance, Junction-to-Ambient | RJA | 100 | °C/W |
| DC Current Gain (IC = 0.15 A, VCE = 2 V) | hFE | 25 - 250 | |
| Collector-Emitter Saturation Voltage (IC = 0.5 Adc, IB = 0.05 Adc) | VCE(sat) | 0.5 | Vdc |
Key Features
- High DC current gain
- Complementary with BD135, BD137, and BD139 series
- Pb-Free, Halogen Free/BFR Free, and RoHS compliant
- Designed for use in audio amplifiers and drivers
- Medium-power silicon PNP transistor
Applications
The BD138G transistor is primarily used in audio amplifiers and drivers, particularly in complementary or quasi-complementary circuits. It is also suitable for general-purpose amplifier applications and can be used in various electronic devices requiring medium-power PNP transistors.
Q & A
- What is the collector-emitter voltage rating of the BD138G transistor?
The collector-emitter voltage rating of the BD138G transistor is 60 Vdc. - What is the maximum collector current of the BD138G transistor?
The maximum collector current of the BD138G transistor is 1.5 Adc. - Is the BD138G transistor RoHS compliant?
Yes, the BD138G transistor is RoHS compliant. - What is the thermal resistance, junction-to-case, of the BD138G transistor?
The thermal resistance, junction-to-case, of the BD138G transistor is 10 °C/W. - What is the typical DC current gain of the BD138G transistor?
The typical DC current gain of the BD138G transistor is between 25 and 250. - What are the primary applications of the BD138G transistor?
The primary applications of the BD138G transistor include audio amplifiers and drivers, particularly in complementary or quasi-complementary circuits. - What is the maximum operating junction temperature of the BD138G transistor?
The maximum operating junction temperature of the BD138G transistor is +150 °C. - Is the BD138G transistor Pb-Free?
Yes, the BD138G transistor is Pb-Free. - What is the collector-emitter saturation voltage of the BD138G transistor?
The collector-emitter saturation voltage of the BD138G transistor is 0.5 Vdc. - What package types are available for the BD138G transistor?
The BD138G transistor is available in the TO-225 package.
