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Top rated darlington transistors

AI-generated summary · updated July 27, 2026 · verify details before purchase.

  1. Best overall

    TIP120 NPN Darlington Transistor (10-Pack)

    $8-$12

    Highly reliable and versatile NPN Darlington pair suitable for medium-power switching applications. Comes in a convenient 10-pack for hobbyists and engineers.

    • High current gain
    • Widely used
    • Good value pack
    • Limited to 5A
    • Not SMD
  2. Best for high power

    TIP142T NPN Power Darlington Transistor

    4.7/5 $3-$5 each

    High-voltage, high-current NPN Darlington transistor capable of handling up to 10A and 100V. Ideal for power switching in motor drivers and inverters.

    • 10A current capability
    • High voltage rating
    • Robust construction
    • Larger TO-247 package
    • Higher cost per piece
  3. Best for multiple loads

    ULN2803A Darlington Transistor Array (8-Channel)

    4.8/5 $1-$2 each

    Popular 8-channel Darlington sink driver with integrated suppression diodes. Great for driving relays, stepper motors, and LEDs.

    • 8 channels in one chip
    • Built-in flyback diodes
    • High output current
    • Maximum 50V per channel
    • Not suitable for high frequency
  4. Best budget pick

    2N6045 NPN Darlington Transistor (5-Pack)

    $6-$10

    Low-cost NPN Darlington transistor in a TO-220 package with 4A continuous current rating. Suitable for general-purpose switching.

    • Affordable
    • Easy to mount
    • Decent current gain
    • Only 4A
    • Not as fast as some alternatives
  5. Best for audio amplifiers

    MJE3055T NPN Darlington Transistor

    4.5/5 $2-$4 each

    Complementary NPN Darlington designed for audio and linear applications. Offers low saturation voltage and high gain.

    • Low saturation voltage
    • High gain bandwidth
    • Complementary PNP available
    • Limited to 10A
    • Not for high switching frequency
  6. Best for motor control

    BDX53C NPN Darlington Transistor

    4.6/5 $4-$6 for 2-pack

    Medium-power NPN Darlington in TO-220 package with 8A continuous rating. Often used in motor drivers and solenoid actuators.

    • 8A rating
    • Good thermal performance
    • Widely available
    • 100V max
    • Requires heatsink for high currents
  7. Best for microcontrollers

    ULN2003A Darlington Transistor Array (7-Channel)

    4.9/5 $1-$3 each

    Classic 7-channel Darlington array with 500mA per channel. Ideal for driving small loads from logic-level signals.

    • Widely used with Arduino
    • Easy to use
    • Built-in base resistors
    • 500mA per channel max
    • Not for high-speed switching

Buying advice

When selecting Darlington transistors, consider the voltage and current ratings, package type (through-hole vs SMD), and whether you need single or multiple channels. For high-power applications, prioritize devices like TIP142T or MJE3055T with proper heatsinking. For driving multiple loads, arrays like ULN2003A offer convenience and cost savings. Always check maximum ratings and switching speed requirements for your specific application.

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