onsemi

MJF18004G

MJF18004G Description

The MJF18004G from onsemi is a high-performance NPN bipolar junction transistor (BJT) designed for demanding switching applications. Part of the SWITCHMODE™ series, it features a 450V collector-emitter breakdown voltage (Vce) and a 5A maximum collector current (Ic), making it ideal for high-voltage, medium-current circuits. With a low Vce saturation voltage of 750mV @ 500mA, 2.5A, it ensures efficient power handling while minimizing losses. The device is housed in a TO-220FP package, offering robust thermal performance and mechanical stability for through-hole mounting.

MJF18004G Features

• High Voltage & Current Handling: 450V Vce and 5A Ic support demanding power applications.
• Low Saturation Voltage: 750mV @ 2.5A reduces conduction losses, improving efficiency.
• Optimized Gain: DC current gain (hFE) of 14 @ 300mA, 5V ensures reliable switching performance.
• Robust Construction: TO-220FP package enhances heat dissipation and durability.
• Compliance & Reliability: ROHS3 compliant, REACH unaffected, and EAR99 classified for broad market suitability.
• Low Leakage Current: Collector cutoff current (Icbo) of just 100µA enhances energy efficiency.

MJF18004G Applications

This transistor excels in high-voltage switching circuits, including:

• Switch-mode power supplies (SMPS) for industrial and consumer electronics.
• Electronic ballasts and lighting control systems.
• Motor drivers and inverter circuits requiring efficient switching.
• Energy-efficient power converters where low saturation losses are critical.
  Its 13MHz transition frequency ensures fast switching, making it suitable for high-frequency applications like DC-DC converters.

Conclusion of MJF18004G

The MJF18004G is a high-reliability, high-voltage NPN transistor optimized for efficient power switching. Its low saturation voltage, robust packaging, and compliance with environmental standards make it a superior choice for engineers designing SMPS, motor controls, and lighting systems. With onsemi's proven quality, this device delivers performance, durability, and energy efficiency in demanding applications.