BD681 NPN Power Darlington Transistor
High Current Gain: It offers a very high current gain (hFE), typically in the range of 750 to 1000, making it suitable for applications requiring high amplification.
High Collector-Emitter Voltage: The BD681 can handle a high collector-emitter voltage (Vceo) of up to 100V, allowing it to be used in high-voltage circuits.
High Collector Current: It can handle a high collector current (Ic) of up to 4A, making it suitable for driving heavy loads.
TO-126 Package: The TO-126 package provides good thermal performance and can be easily mounted with a heatsink for improved heat dissipation.
Low Saturation Voltage: The Darlington configuration results in a low saturation voltage, improving efficiency in switching applications.
Switching Applications: It is suitable for switching applications where it can control large currents and voltages, such as in motor drivers and relay drivers.
BD681 NPN Power Darlington Transistor
Available:Out of Stock
- Product SKU: TRANS042
₹ 17
₹ 25
Specification
Description
The BD681 is an NPN-power Darlington transistor designed for high-current and high-gain applications. It is widely used in power amplification and switching applications due to its ability to handle large currents and voltages. The BD681 is housed in a TO-126 package, which provides good heat dissipation and ease of mounting.Features:
Darlington Configuration: The BD681 consists of two NPN transistors connected in a Darlington configuration, which provides a very high current gain.High Current Gain: It offers a very high current gain (hFE), typically in the range of 750 to 1000, making it suitable for applications requiring high amplification.
High Collector-Emitter Voltage: The BD681 can handle a high collector-emitter voltage (Vceo) of up to 100V, allowing it to be used in high-voltage circuits.
High Collector Current: It can handle a high collector current (Ic) of up to 4A, making it suitable for driving heavy loads.
TO-126 Package: The TO-126 package provides good thermal performance and can be easily mounted with a heatsink for improved heat dissipation.
Low Saturation Voltage: The Darlington configuration results in a low saturation voltage, improving efficiency in switching applications.
Applications:
Power Amplification: The BD681 is widely used in power amplifier circuits for driving speakers and other high-power audio loads.Switching Applications: It is suitable for switching applications where it can control large currents and voltages, such as in motor drivers and relay drivers.
Technical Details
- Manufacturer Part No: BD681
- Manufacturer: STMicroelectronics
- Series: BD681
- Product Category: Darlington Transistors
- Configuration: Single
- Transistor Polarity: NPN
- Collector-Emitter Voltage VCEO Max: 100 V
- Emitter- Base Voltage VEBO: 5 V
- Collector- Base Voltage VCBO: 100 V
- Maximum DC Collector Current: 4 A
- Maximum Collector Cut-off Current: 200 uA
- Pd – Power Dissipation: 40 W
- Operating Temperature: +150°C
- Continuous Collector Current: 4 A
- DC Collector/Base Gain hFE Min: 750
- Product Type: Darlington Transistors
- Mounting Style: Through Hole
- Package/Case: TO-126
Applications
- Linear and switching
- Industrial equipment