TGL41-51A-E3/96 Circuit Protection

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TVS (Transient Voltage Suppressors) diodes, also known as clamp diodes, are devices used to protect circuits against fast transients induced by lightning strikes, static electricity, disruptive surges, short line disruptions, and electrical noise. The TGL41-51A-E3/96 type of TVS diode is a step-down diode that is specifically designed to protect automotive circuitry from excessive voltage or current transients. It is available in a DO-214AA package and offers excellent protection against transients up to 51V.

Description and Features of TGL41-51A-E3/96 TVS Diode

The TGL41-51A-E3/96 TVS diode is a unidirectional voltage clamping device that features a silicon body that is rated to withstand operating temperatures between -55 C and 165 C. It has an operating voltage clamping range of 41V to 51V, and a peak pulse current handling ability of up to 5A, while its breakdown voltage currently drops to a minimum of 41V. The diode has low leakage current of 0.1uA, fast switching speeds of 3.5ns, and snubber-less technology. It also offers low charge and low induction times. Additionally, the diode has low capacitance of 5pF, guaranteeing very low EMI suppression while operating.

Application Fields

The TGL41-51A-E3/96 TVS diode is mainly designed for overvoltage protection applications for automotive electronic circuits. It can also be used in a wide variety of industrial, commercial, and consumer circuits or systems where high voltage transients are a serious concern. Its low profile DO-214AA package also makes it compatible for use in slim applications or those that require a small real estate, since it can be mounted to any surface.

Working Principle

When an overvoltage is applied to the device, it begins to conduct current. This causes the voltage to drop, thus limiting the voltage to the protected circuit to a safe level. As more current is conducted, the voltage across the device will increase until a point of saturation is reached and the voltage across the device remains constant. Since only low current is required for the device to conduct, the TGL41-51A-E3/96 is suitable for use in automotive applications with limited available current.

Conclusion

The TGL41-51A-E3/96 TVS diode is a robust device designed for overvoltage protection in automotive electronic circuits. It provides fast response times and excellent voltage clamping characteristics with low charge and low induction times, while its low leakage current and low capacitance characteristics are suitable for EMI/RFI suppression. The device is ideal for use in a variety of industrial, commercial, and consumer product applications where high speed, low current, and single line protection are desired, due to its rugged construction and small real estate.

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