Overview
The BD179G is a medium-power NPN epitaxial silicon transistor manufactured by ON Semiconductor. It is part of the BD175/177/179 series, which are designed for linear and switching applications. This transistor is known for its high current handling capabilities and is often used in various electronic circuits that require reliable and efficient performance.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 80 | Vdc |
| Collector-Base Voltage | VCBO | 80 | Vdc |
| Emitter-Base Voltage | VEBO | 5 | V |
| Collector Current (DC) | IC | 3 | A |
| Collector Current (Pulse) | ICP | 7 | A |
| Collector Dissipation | PC | 30 | W |
| Junction Temperature | TJ | 150 | °C |
| Storage Temperature | TSTG | -65 to 150 | °C |
| DC Current Gain (hFE1) | hFE1 | 100 ~ 250 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.8 | V |
| Base-Emitter On Voltage | VBE(on) | 1.3 | V |
| Current Gain Bandwidth Product | fT | 3 | MHz |
Key Features
- High Current Handling: The BD179G can handle a maximum collector current of 3A (DC) and 7A (pulse), making it suitable for high-current applications.
- Medium Power Capability: With a collector dissipation of 30W, this transistor is designed for medium-power linear and switching applications.
- Wide Operating Temperature Range: It can operate within a junction temperature range of -65°C to 150°C, ensuring reliability in various environmental conditions.
- Complementary Transistors: The BD179G is part of a series that includes complementary transistors (BD176/178/180), which can be used in push-pull amplifier configurations.
- TO-126 Package: The transistor is packaged in a TO-126 case, which is widely used and recognized for its reliability and ease of mounting.
Applications
- Linear Amplifiers: The BD179G is suitable for use in linear amplifier circuits where high current gain and medium power handling are required.
- Switching Circuits: Its high current handling and fast switching times make it ideal for switching applications such as power supplies, motor control, and relay drivers.
- Audio Amplifiers: It can be used in audio amplifier circuits due to its good current gain and low noise characteristics.
- Industrial Control Systems: The transistor is often used in industrial control systems for driving high-current loads such as solenoids, relays, and small motors.
Q & A
- What is the maximum collector-emitter voltage of the BD179G?
The maximum collector-emitter voltage (VCEO) of the BD179G is 80Vdc.
- What is the maximum collector current for the BD179G?
The maximum collector current (IC) for the BD179G is 3A (DC) and 7A (pulse).
- What is the junction temperature range for the BD179G?
The junction temperature range for the BD179G is -65°C to 150°C.
- What package type is the BD179G available in?
The BD179G is available in the TO-126 package.
- What are some common applications of the BD179G?
The BD179G is commonly used in linear amplifiers, switching circuits, audio amplifiers, and industrial control systems.
- Is the BD179G suitable for use in life support systems?
No, the BD179G is not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices.
- What is the collector dissipation of the BD179G?
The collector dissipation (PC) of the BD179G is 30W.
- What is the DC current gain (hFE) range for the BD179G?
The DC current gain (hFE) range for the BD179G is 100 ~ 250.
- What is the base-emitter on voltage for the BD179G?
The base-emitter on voltage (VBE(on)) for the BD179G is 1.3V.
- What is the current gain bandwidth product (fT) of the BD179G?
The current gain bandwidth product (fT) of the BD179G is 3MHz.
