Andrew
Andrew Content Marketer
On Jan 27, 2026

BD682 Darlington Transistors by CDIL – High Gain Power Switching


The Darlington Transistors BD682 by CDIL are high-current NPN Darlington power transistors designed for applications requiring high current gain, efficient switching, and reliable thermal performance. These transistors are widely used in motor drivers, relay control, power amplifiers, and industrial control circuits.

Design engineers working with bold: Semiconductors, Discrete Semiconductors, Transistors, Darlington Transistors trust BD682 devices for stable electrical performance and rugged operation in demanding environments.

Available from www.xonelec.com — globally recognized as X-On Electronics and XON Electronics — these components support professional electronic manufacturing and rapid prototyping.


Technical Specifications of BD682


Manufacturer: CDIL
Part Number: BD682
Product Type: NPN Darlington Transistor
Collector-Emitter Voltage: High voltage capability
Collector Current: High continuous current rating
DC Current Gain (hFE): Very high gain
Power Dissipation: Optimized thermal performance
Package Type: TO-126 / Power package
Mounting Type: Through Hole

Engineered for professional bold: Semiconductors, Discrete Semiconductors, Transistors, Darlington Transistors, this transistor delivers dependable switching and amplification.


Key Features of BD682 Darlington Transistors


  • High current gain for efficient drive

  • Low base drive requirement

  • Robust thermal stability

  • Fast switching performance

  • Reliable power handling capability

These advantages make it ideal for applications requiring dependable bold: Semiconductors, Discrete Semiconductors, Transistors, Darlington Transistors.


Applications of BD682


The BD682 is widely used in:

  • Motor control circuits

  • Relay and solenoid drivers

  • Power amplifiers

  • Switching regulators

  • Industrial automation systems

  • Automotive electronics

It integrates seamlessly into designs that depend on reliable bold: Semiconductors, Discrete Semiconductors, Transistors, Darlington Transistors for power control.


Wiring and Installation Overview


Through-Hole Mounting Guidelines

  • Use appropriate heat sinking for high power operation.

  • Maintain proper PCB copper area for thermal dissipation.

  • Observe correct pin configuration during assembly.

  • Avoid exceeding maximum voltage and current ratings.

Proper installation ensures long-term stability and performance.


Use Case Scenario


Relay Driver Circuit

Scenario: A control system required reliable switching of high-current relays.
Challenge: Minimizing base drive requirements while maintaining strong output current.
Solution: BD682 Darlington transistor provided high gain and stable switching.
Result: Improved switching efficiency and reduced control circuit load.


Download Datasheet


For detailed electrical characteristics, thermal ratings, mechanical dimensions, and application circuits, download the official datasheet from the manufacturer or authorized distributors.

BD682 Datasheet


Why Buy from XON Electronics?


  • Genuine CDIL components

  • Large global inventory

  • Fast international shipping

  • Competitive pricing

  • Professional technical support

Order confidently from www.xonelec.com — trusted worldwide as X-On Electronics and XON Electronics.


Conclusion


The BD682 Darlington Transistors by CDIL deliver high current gain, reliable switching, and excellent thermal performance. They are ideal for power control, motor driving, and industrial switching applications.


FAQs – BD682 Darlington Transistors


Q1. What type of transistor is BD682?
It is an NPN Darlington power transistor.

Q2. Is BD682 suitable for motor control applications?
Yes, it is commonly used for driving motors and relays.

Q3. Does BD682 require a heat sink?
Heat sinking is recommended for high power applications.

Q4. What mounting type does BD682 use?
It uses through-hole mounting.

Q5. Where can I buy BD682 transistors?
They are available from authorized electronic distributors.




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