TPSMC39AHE3/9AT

Voltage - Clamping (Max) @ Ipp:	53.9V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 185°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	27.8A
Series:	Automotive, AEC-Q101, PAR®
Voltage - Breakdown (Min):	37.1V
Voltage - Reverse Standoff (Typ):	33.3V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TPSMC39AHE3/9AT Application Field and Working Principle

Transient Voltage Suppression (TVS) diodes are widely used in electronics to reduce the voltage beyond a certain specified limit. The TPSMC39AHE3 is one such diode, coming from the family of SMC or small outline diodes, specifically designed for applications requiring added safety and protection. This diode is designed to provide protection by quickly responding and clamping the voltage above its breakdown voltage. Here, we will discuss the applications and operating principle of the TPSMC39AHE3/9AT diode.

Applications of TPSMC39AHE3

The TPSMC39AHE3/9AT diode is primarily intended for use as a protection device against transient voltage surges, typically in the range of 20-500 V. It can also be used as an ESD or electro-static discharge protection in order to protect sensitive components from damage in a variety of applications. Common applications of the TPSMC39AHE3/9AT diode include protection of sensitive components in telecommunications systems, data systems, automotive electronics, teleprotection relays, consumer electronics and power supplies.

Working Principle of TPSMC39AHE3/9AT Diode

The TPSMC39AHE3/9AT diode is a Zener diode designed to breakdown at specified voltage levels in order to protect sensitive components against voltage spikes. It is a single diode device provides efficient protection against voltage transients in an entire system. It also works as an ESD protection device.In normal conditions, the diode functions as an open circuit. However, once a voltage spike is detected, the diode responds quickly by shunting the voltage to the ground. This drastically reduces the voltage beyond its break down voltage for a limited time. For a high voltage spike that lasts for longer durations, the diode may fail since the TPSMC39AHE3/9AT diode is not designed to withstand high voltages for long periods.

Conclusion

The TPSMC39AHE3/9AT diode is part of Transient Voltage Suppression approaches and is designed to provide protection against over-voltage transients. The diode is primarily used for ESD and surge protection and plays an important role in protecting sensitive electronics components in a variety of applications. Its fast response time and low breakdown voltage make it an ideal choice for protection against voltage transients.

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