Overview
The BD140-16 is a PNP Epitaxial Silicon Transistor produced by STMicroelectronics. It is designed for general-purpose amplifier and switching applications, particularly in audio amplifiers and drivers utilizing complementary or quasi-complementary circuits. The transistor is part of a family that includes the NPN types BD135 and BD139, and the complementary PNP types BD136 and BD140.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | -80 | V |
| Collector-Emitter Voltage (VCEO) | -80 | V |
| Emitter-Base Voltage (VEBO) | -5 | V |
| Collector Current (IC) | -1.5 | A |
| Collector Peak Current (ICM) | -3 | A |
| Base Current (IB) | -0.5 | A |
| Total Dissipation at Tc ≤ 25 °C (PTOT) | 12.5 | W |
| Storage Temperature (Tstg) | -65 to 150 | °C |
| Max. Operating Junction Temperature (Tj) | 150 | °C |
| Thermal Resistance Junction-Case (Rthj-case) | 10 | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 100 | °C/W |
| DC Current Gain (hFE) | 100-250 | |
| Collector-Emitter Saturation Voltage (VCE(sat)) | -0.5 | V |
| Base-Emitter Voltage (VBE) | -1 | V |
| Package | SOT-32 |
Key Features
- High Current Gain: The BD140-16 offers high current gain, making it suitable for amplification purposes.
- Low Saturation Voltage: It features low saturation voltage, which is efficient for switching applications.
- Audio Amplification: Commonly used in audio amplifier circuits due to its high current gain and low saturation voltage.
- General Purpose: Designed for general-purpose amplifier and switching applications.
- Package: Comes in a SOT-32 plastic package for easy mounting and heat dissipation.
- ECOPACK Compliance: The package is ECOPACK compliant, meeting environmental requirements.
Applications
- Audio Amplifiers: Ideal for audio amplifier circuits due to its high current gain and low saturation voltage.
- Switching Circuits: Used in switching applications requiring low saturation voltage.
- Power Regulators: Finds applications in voltage regulator circuits for regulating power supplies.
- Driver Stages: Can be used in driver stages for various electronic circuits.
Q & A
- What is the BD140-16 transistor used for?
The BD140-16 is used for general-purpose amplifier and switching applications, particularly in audio amplifiers and drivers.
- What is the collector-emitter voltage rating of the BD140-16?
The collector-emitter voltage rating of the BD140-16 is -80 V.
- What is the maximum collector current of the BD140-16?
The maximum collector current of the BD140-16 is -1.5 A.
- What is the thermal resistance junction-case of the BD140-16?
The thermal resistance junction-case of the BD140-16 is 10 °C/W.
- What package type does the BD140-16 come in?
The BD140-16 comes in a SOT-32 plastic package.
- Is the BD140-16 ECOPACK compliant?
Yes, the BD140-16 is ECOPACK compliant, meeting environmental requirements.
- What are some common applications of the BD140-16?
Common applications include audio amplifiers, switching circuits, and power regulators.
- What is the maximum operating junction temperature of the BD140-16?
The maximum operating junction temperature of the BD140-16 is 150 °C.
- What are some equivalents to the BD140-16 transistor?
Some equivalents include the 2N3906, S8550, and MPSA92 transistors.
- What is the DC current gain range of the BD140-16?
The DC current gain range of the BD140-16 is 100-250.
