The ZUMT619TC is a high-voltage NPN transistor manufactured by Zetex Semiconductors (now part of Diodes Incorporated). This transistor is designed for high-voltage switching and amplification applications. It offers a high breakdown voltage and good current gain, making it suitable for various circuits requiring a reliable and robust high-voltage transistor.

Applications:

• High-Voltage Switching: Used in switching circuits for controlling high-voltage loads.
• Amplification: Employed in amplifier circuits for amplifying high-voltage signals.
• Lighting Circuits: Found in lighting circuits for driving fluorescent lamps and LEDs.
• Power Supplies: Used in power supplies for voltage regulation and switching.
• Automotive Applications: Integrated into automotive electronic systems.

Features:

• High Breakdown Voltage: Offers a high collector-emitter breakdown voltage (VCEO).
• High Current Gain (hFE): Provides good amplification characteristics.
• Low Saturation Voltage: Minimizes power dissipation.
• Small Package: Available in a compact SOT-23 package.
• RoHS Compliant: Meets environmental standards.

Benefits:

• Improved System Performance: High breakdown voltage enables use in high-voltage applications.
• Enhanced Efficiency: Low saturation voltage reduces power dissipation.
• Simplified Design: Easy to use and integrate into circuits.
• Reduced Board Space: Small package minimizes the footprint on the printed circuit board.
• Environmentally Friendly: RoHS compliant, minimizing environmental impact.

Technical Specifications:

The ZUMT619TC has a collector-emitter breakdown voltage (VCEO) of 300V. The collector current (IC) is rated for a maximum of 500mA. The DC current gain (hFE) is typically between 40 and 80 at IC = 100mA. The saturation voltage (VCE(sat)) is typically 0.25V at IC = 100mA. The transition frequency (fT) is around 50 MHz. It operates over a temperature range of -55°C to +150°C.

The package is a standard SOT-23 surface mount package. Care should be taken during soldering to avoid overheating the device. It is a lead-free component compliant with RoHS standards.