onsemi 500 mA NPN Bipolar Transistor, 300 V, 20 W Power Dissipation, 3-Pin TO-225 MJE340G

onsemi MJE340G Bipolar Transistor is a high-quality NPN transistor designed for electronic applications requiring moderate current and high voltage handling capabilities. It offers a maximum DC collector current of 500 mA and can withstand a collector-emitter voltage up to 300 V, making it suitable for various switching and amplifier circuits in industrial and consumer electronics.

The transistor comes in a TO-225 package with a through-hole mount type, simplifying installation on printed circuit boards. Its power dissipation rating of 20 W ensures reliable thermal performance during operation. The device offers a minimum DC current gain of 30, delivering effective signal amplification.

Designed for robust operation, the MJE340G supports a wide operating temperature range from -65°C up to 150°C, suitable for demanding environmental conditions often found in industrial, commercial, and laboratory electronics.

The device features a compact form factor with dimensions of 7.8 mm length, 3 mm width, and 11.04 mm height, and a 3-pin configuration, making it compatible with a broad range of electronic circuit designs. Although it does not possess automotive standard certification, it is ideal for general-purpose electronic component needs.

Maximum DC collector current of 500 mA allows moderate power handling. Handles collector-emitter voltage of 300 V for medium-voltage circuits. TO-225 package provides sturdy physical protection and ease of mounting. Rated for 20 W power dissipation for thermal reliability.

NPN transistor configuration fits common application requirements. Minimum DC current gain of 30 ensures effective amplification. Wide operating temperature range from -65°C to 150°C supports diverse working environments.

3-pin package suitable for standard bipolar transistor use cases. Compact size allows integration into size-constrained electronic designs. No automotive compliance, optimized for general electronics applications.

This transistor is well suited for use in industrial electronics, power supply circuitry, consumer electronics, and laboratory electronics modules where a dependable bipolar transistor is needed. Its robust ratings and form factor offer versatility across different applications.

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