onsemi Darlington Transistor NPN, 8A, 100V, TO-252, Surface Mount, MJD122T4G

onsemi MJD122T4G Darlington Transistor delivers robust NPN performance with a continuous collector current rating of 8A and collector emitter voltage tolerance up to 100V. Designed for demanding circuit applications, this TO-252 surface mount transistor is ideal for PCB design and allows efficient switching and amplification in control and power circuits.

Featuring a high minimum DC current gain (hFE) of 100, the MJD122T4G ensures strong signal amplification and is well-suited for industrial, automotive, and power electronics where high gain is essential. Its NPN Darlington configuration increases input impedance while maintaining high output current capacity, making it reliable in driving loads or actuation circuits.

With maximum power dissipation set at 20W and an operating temperature range spanning −65°C to 150°C, this transistor offers flexibility and durability in both low-temperature and high-heat environments. Its maximum collector emitter saturation voltage is rated at 2V, and maximum emitter base voltage stands at 5V, all facilitating stability under various loads.

The TO-252 package type ensures compatibility with automated surface mount assembly lines and offers compact PCB footprint. Three pins allow simple integration, and the single element per chip design simplifies circuit implementation for designers. Automotive AEC-Q101 qualification confirms trustworthiness for critical vehicle and transportation systems.

Applications include industrial control, automotive electronics, relay drivers, solenoid control, output amplifiers, motor drives, and power management circuits. The MJD122T4G is a fundamental component in the assembly of reliable and efficient electronic devices where size, durability, and electrical performance are priorities.

Capable of continuous collector current up to 8A. Maximum collector emitter voltage of 100V for robust switching. TO-252 package and surface mount configuration for PCB integration. High DC current gain with minimum hFE of 100 enhances amplification performance.

Reliable NPN Darlington pair suitable for automotive and industrial applications. Operates across wide temperature range from −65°C to 150°C. Maximum power dissipation rated at 20W for demanding loads. AEC-Q101 automotive qualification for high reliability environments.

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