NPN Darlington Power Transistor – Easy Power for Projects

Powerful, Reliable, and Simple: NPN Darlington Transistor

Looking for a simple way to boost your electronics project? This easy-to-use NPN Darlington transistor, also known by its part number NTE243, brings both power and convenience to your DIY builds and everyday repairs. Designed for home hobbyists, students, and casual tinkerers, this NPN Darlington transistor is perfect for audio amplifiers, power switches, and general-purpose circuits.

Key Features of the NPN Darlington Transistor

• High current capability: Delivers up to 8A output, making it great for high-power projects.
• Impressive voltage rating: Withstands up to 80V, giving you peace of mind for most DIY applications.
• Very high current gain: Darlington design provides much more amplification than standard transistors—perfect for boosting weak signals.
• Easy to use: Works in common amplifier and switching setups, with a familiar TO-3 package for easy mounting.
• Reliable performance: Silicon construction means stable results across a range of conditions.
• Single package quantity: Each pack contains one NPN Darlington transistor.

Perfect For a Variety of Uses

Home audio projects, robotics, power supplies, and switching circuits all benefit from the extra gain and reliability of an NPN Darlington transistor. Thanks to its easy wiring and versatile design, it’s ideal for general-purpose, audio amplifier, and switching applications.

Technical Specifications

• Configuration: NPN Silicon Darlington
• Maximum Collector-Emitter Voltage (V_CEO): 80V
• Maximum Collector Current (I_C): 8A
• Package: TO-3 Metal Case
• Complementary Pair: NTE244

Why Choose a Darlington Transistor?

Darlington transistors combine two transistors in one package for extra high current gain and easy signal boosting. This makes them ideal for situations where space and simplicity matter—such as in smart home gadgets, hobby robots, or quick audio amp builds.

Need Help? We're Here for You

If you have questions about using an NPN Darlington transistor or want tips for your application, Vetco Electronics is here to help! Our support team loves helping makers, students, and tinkerers alike.

This part is the equivalent replacement for the following:

020054, 020054-000, 026039-001, 026039-002, 1180-1966, 13-14085-172, 13-14085-176, 1854-0611, 1854-0774, 1B07, 2N6055, 2N6056, 2N6492, 2N6493, 2N6494, 2SD1208, 2SD1208_(FA), 2SD1208FA, 2SD463, 2SD502, 2SD503, 2SD523, 2SD692, 2SD692M, 46-861222-9, 48-90432A85, 48S155140, 561-6901-826, 561-6951-001, 801560, 992-020054, 992-020054-000, 992-026039-001, 992-026039-002, 992-026039-2, A6862752, A6862754, BDX63, D1208, D1208FA, D463, D502, D503, D523, D692, ECG243, ES108, ESM113, ESM114, FBNL172, GE-343, HEP-S9140, HEPS9140, HEP-S9145, IR1000, IR1001, J1000, J1001, J34000, J4000, J4001, LCA1000, LCA1001, LMJ1000, LMJ1001, MJ1000, MJ1001, MJ34000, MJ4000, MJ4001, NTE243, PMD-12K40, PMD12K40, RCA1000, RCA1001, S9140, S9140(HEP), SK3182, SK3182/243, T1P620, T1P621, TIP620, TIP621, TIP622, TM243, WEP972, X0308, X0308(GOTTLIEB)