TPC11CAHM3/I Circuit Protection

Voltage - Clamping (Max) @ Ipp:	15.6V
Supplier Device Package:	TO-277A (SMPC)
Package / Case:	TO-277, 3-PowerDFN
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	96.2A
Series:	Automotive, AEC-Q101, PAR®, eSMP®
Voltage - Breakdown (Min):	10.5V
Voltage - Reverse Standoff (Typ):	9.4V
Bidirectional 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

The TPC11CAHM3/I is a voltage surge suppressor/protection module. It is designed to protect sensitive electronic equipment from voltage surges and transient over-voltage conditions due to faulty power sources or equipment failure. It is a member of the transient voltage suppressor (TVS) diode family.

TVS - Diodes

TVS diodes are designed to provide protection to sensitive electronic components and devices from transient over-voltage conditions. They are effective in blocking damaging voltage spikes that can be caused by lightning or static electricity discharges.The components of TVS diodes include a PN junction diode, a reverse-biased Zener diode, and a FET. The PN junction diode is responsible for providing the conduction current for the TVS diode. The Zener diode is used to create the breakdown voltage, which is the input voltage at which the diode starts to conduct current and provides the protection. The FET is used to control the amount of current that is allowed to flow until the breakdown voltage is reached. It also acts as a switch to control the conduction of the current to and from the circuit.

The TPC11CAHM3/I

The TPC11CAHM3/I is designed to provide protection from transients up to 11000A peak pulse current, with a maximum operating over-voltage of 400V. It is constructed with an integrated over-voltage protection circuit, which automatically turns off when the input voltage exceeds the maximum operating voltage.The TPC11CAHM3/I is designed for easy installation in a wide range of applications, including industrial control systems, power supplies, motor drives, and other electrical equipment. The device can also be used in high-reliability applications such as medical and military electronics.

Application Field and Working Principle

The TPC11CAHM3/I is primarily used in electrical equipment and systems to help protect against transient voltage surges. It utilizes its integrated over-voltage protection circuit to provide protection from voltages up to 400V.When a voltage surge occurs, the FET within the transient voltage suppressor (TVS) diode is triggered, allowing a controlled current to flow until the breakdown voltage is reached. This current will then be shorted by the Zener diode, causing the voltage to drop to a safe level. The device will then recover and will be ready to provide protection to the equipment again.The TPC11CAHM3/I also has two built-in ESD (electrostatic discharge) protection circuits to further enhance the protection provided by the device. These circuits are designed to automatically react to electrostatic discharges and short out all unwanted voltages, allowing the system to recover and continue functioning correctly.

Conclusion

The TPC11CAHM3/I is a TVS diode designed to provide protection from transient voltage surges. It is designed for easy installation in a wide range of industrial control systems, power supplies, motor drives, and other electrical equipment. It utilizes its integrated over-voltage protection circuit to provide protection from voltages up to 400V, and two built-in ESD protection circuits to further enhance the protection provided by the device.

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