TZMC62-GS18

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Diodes are a type of semiconductor component which act as a conductor at one polarity of voltage, and an insulator at the opposite polarity. Zener diodes are a type of diode designed to operate in a reverse-biased circuit or beyond the breakdown voltage, transmitting electric current from the anode to the cathode and passing the opposite current from the cathode to the anode. Single-type diodes are individual components.

The TZMC62-GS18 is a Zener single diode meant for high power applications. This component features a clamping voltage of 6.2V and a high power dissipation of 1.25W. It is encapsulated in a DO-41 (Glass Passivated) package.

TZMC62-GS18’s most common application fields include:

• Power supplies
• Portable devices
• LED lighting
• TVs, monitors and displays
• Computer peripherals and digital cameras
• Aerospace devices

The component’s working principle is simple: it passes current from the anode to the cathode, and at the same time, clamping voltage (Vz) passes from the cathode to the anode. The device connects with a DC power supply, which in turn recharges the capacitor. It functions by maintaining a constant voltage across the component, even if the current flowing through it changes. This prevents the voltage from exceeding the clamping voltage, due to excessive current.

The component operates in a wide temperature range, from -55°C to +150°C. The junction capacitance, input capacitance and output capacitance remain fairly constant, while the series resistance decreases rapidly with increased temperature. The component features low reverse-leakage current, because of its high reverse-clamping voltage and low forward-voltage drop. In addition, its switching speed is fast, making it suitable for high-frequency applications.

Normal operating conditions are 6.2V clamping voltage, 175mA maximum reverse current, and a maximum power dissipation of 1.25W. It has a load life test of 500 hours at 0.25A to 1.25W. The component is also certified to UL 94V-0 rate, and it is 100% electrical and photometrical tested prior to shipping.

In conclusion, the TZMC62-GS18 Zener single diode has a variety of applications, ranging from power supplies, portable devices and LED lighting, to aerospace units. It can be used for its wide temperature range, low reverse-leakage current, and fast switching speed. The component is UL 94V-0 rated and is 100% tested prior to shipping, making it a reliable and safe choice for high-current applications.

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