Overview
The BD136 is a medium power PNP transistor manufactured by STMicroelectronics. It is designed for use in audio amplifiers and drivers, particularly in complementary or quasi-complementary circuits. This transistor is part of a family that includes the NPN types BD135 and BD139, and the complementary PNP types BD136 and BD140. The BD136 is suitable for switching and amplification purposes, capable of handling a maximum collector current of 1.5A and a maximum collector-emitter voltage of 45V.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | PNP |
| Maximum DC Collector Current (IC) | -1.5 A |
| Maximum Collector Emitter Voltage (VCE) | -45 V |
| Maximum Collector Base Voltage (VCB) | 45 V |
| Maximum Emitter Base Voltage (VEB) | -5 V |
| Power Dissipation (Pc) | 1.25 W |
| Current Gain (hfe) | 25 to 250 |
| Maximum Transition Frequency (fT) | 190 MHz |
| Operating Temperature Range | -55°C to +150°C |
| Package Type | SOT-32, TO-126 |
| Mounting Type | Through Hole |
Key Features
- Medium power PNP transistor suitable for switching and amplification purposes.
- High DC current gain (hfe) typically 80 when IC=10mA.
- Maximum collector current of 1.5A and maximum collector-emitter voltage of 45V.
- Available in SOT-32 and TO-126 packages.
- Maximum power dissipation of 1.25W.
- High thermal stability and long service life.
- Complementary to BD135 NPN transistor.
Applications
- AUDIO AMPLIFIERS: Ideal for use in small amplifier and speaker driver circuits.
- SWITCHING CIRCUITS: Can handle heavy loads due to its high collector current value.
- GENERAL PURPOSE AMPLIFICATION: Suitable for various signal amplification circuits.
- COMPLEMENTARY CIRCUITS: Often used in quasi-complementary or complementary circuits with NPN transistors like BD135.
Q & A
- What is the maximum collector current of the BD136 transistor?
The maximum collector current of the BD136 transistor is 1.5A.
- What is the maximum collector-emitter voltage of the BD136 transistor?
The maximum collector-emitter voltage of the BD136 transistor is 45V.
- In which packages is the BD136 transistor available?
The BD136 transistor is available in SOT-32 and TO-126 packages.
- What is the power dissipation of the BD136 transistor?
The power dissipation of the BD136 transistor is 1.25W.
- What is the operating temperature range of the BD136 transistor?
The operating temperature range of the BD136 transistor is -55°C to +150°C.
- What is the typical current gain (hfe) of the BD136 transistor?
The typical current gain (hfe) of the BD136 transistor is 80 when IC=10mA.
- Can the BD136 transistor be used in switching circuits?
Yes, the BD136 transistor can be used in switching circuits due to its high collector current value.
- Is the BD136 transistor suitable for audio amplifiers?
Yes, the BD136 transistor is suitable for use in audio amplifiers and drivers.
- What is the maximum transition frequency (fT) of the BD136 transistor?
The maximum transition frequency (fT) of the BD136 transistor is 190 MHz.
- Does the BD136 transistor require a heatsink?
A heatsink may be required for the BD136 transistor, especially when handling high loads to ensure proper operation.
