SMP20-M3/85A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	35.8V
Supplier Device Package:	DO-220AA (SMP)
Package / Case:	DO-220AA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	11.2A
Series:	TransZorb®, eSMP®
Voltage - Breakdown (Min):	22.2V
Voltage - Reverse Standoff (Typ):	20V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to SMP20-M3/85A

SMP20-M3/85A is a voltage-sensitive Transient Voltage Suppression (TVS) diode designed for transient overload protection. It is used in high-speed data line protection in IT applications, such as USB, DVI, HDMI, Displays, and general consumer electronics. It is a bi-directional, uni-polar selective device, which means that it protects in both directions, but only works when a positive voltage is applied.

Application Field of SMP20-M3/85A

The SMP20-M3/85A is suitable for high-speed data line protection in IT applications and consumer electronics. Its main benefits are low capacitance, fast response, and low power loss.The SMP20-M3/85A can be used in a variety of devices, from computers to televisions, smartphones, DVD players, and other electronic products that require protection from over-voltage and over-current conditions. It can also be used in automotive, industrial, and audio-visual applications.

Working Principle of SMP20-M3/85A

The SMP20-M3/85A is based on TVS diode technology. When a voltage over the rated breakdown voltage is applied, the diode will quickly switch on and conduct current.When used in protection applications, if the protected voltage exceeds its rated voltage, the diode will start to conduct current and protect the connected circuit from over-voltage conditions. In this way, it avoids damage to the equipment and also prevents damage to the diode itself.The SMP20-M3/85A is designed for use in transient applications and will switch off as soon as the over-voltage condition is eliminated. The device is designed with high surge and operating power ratings, so it can be used in high-power systems without requiring additional cooling.

Conclusion

The SMP20-M3/85A is a TVS diode designed for transient overload protection in a wide variety of applications, including IT applications, consumer electronics, automotive, industrial, and audio-visual applications. It is a bi-directional, uni-polar selective device that quickly switches on when an overvoltage condition is present. It offers low capacitance, fast response time, and low power loss.

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