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TVS-Diodes

Transient voltage surge suppressors (TVS) are solid-state protective devices designed to protect electronic circuits and equipment from voltage transients induced by lightning and other causes. TVS diodes provide overvoltage protection against spikes, surges, and other electrical transients of short duration. They protect electronic circuits from voltage transients that could damage or disrupt their normal operation by absorbing energy from an incoming electrical transient and safely diverting it to ground.

GL05T-E3-18 Application Field and Working Principle

The GL05T-E3-18 is an unidirectional, 400W SIL-SIP diode transient voltage suppressor (TVS) designed to protect sensitive electrical and electronic equipment from high voltage transients typically caused by inductive switching loads, lightning, SSOs (Surge Spread Oscillations), EFTs (Electrical Fast Transients), and other power line surges. GL05T-E3-18 is especially suited for telecom, industrial, and computer applications.

The TVS protects a circuit by redirecting the incoming transient energy into a low impedance path to ground. The low impedance path acts as a drain, quickly discharging the surge energy. By sacrificing itself in this way, the TVS avoids damage to the protected load. TVS devices are capable of withstanding much larger transient surges than other protective components, such as MOVs (Metal Oxide Varistors) or gas tubes.

The GL05T-E3-18 has a low on-state voltage (VF) and provides overvoltage protection for both line to line and line to ground applications. It is designed to protect against high voltage transients that can occur between the hot (live) and neutral or ground lines. The device features an ultra-low capacitance of 2.5pF, making it ideal for UHS-II, UHS-I, SATA, and other high-speed data interface applications.

The GL05T-E3-18 features the following characteristics:

• 400W Rating (10/1000μs Pulse)
• Low clamping voltage
• Low capacitance: 2.5pF
• Excellent surge, ESD and EFT protection
• High level of reliability
• High peak pulse current

The GL05T-E3-18 is UL Recognized up to 400W, and is compliant with various requirements for RoHS and other regulatory compliance. The device is also rated to a temperature range of -55°C to +125°C, making it suitable for use in extreme temperatures.

In summary, the GL05T-E3-18 is a unidirectional, 400W SIL-SIP diode TVS designed to provide overvoltage protection for both line-to-line and line-to-ground applications. Its low on-state voltage, ultra-low capacitance, and excellent surge, ESD and EFT protection make it an ideal choice for applications such as telecom, industrial, and computer applications.

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