MRT100KP250A

Voltage - Clamping (Max) @ Ipp:	493V
Supplier Device Package:	Case 5A (DO-204AR)
Package / Case:	DO-204AR, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	100000W (100kW)
Current - Peak Pulse (10/1000µs):	--
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	278V
Voltage - Reverse Standoff (Typ):	250V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The MRT100KP250A is a transient voltage suppressor (TVS) diode. They are semiconductor devices that are designed to protect electronic devices from electrostatic discharge (ESD) and electro-magnetic interference (EMI). TVS diodes have high surge capabilities and clamping voltages which help reduce the possibility of damage to sensitive electronic components. The MRT100KP250A is a good choice for applications such as digital logic, wireless communication, set-top boxes, and consumer electronics.

Applications

The MRT100KP250A is used widely in a variety of applications. These include, but are not limited to, automotive systems, consumer electronics, telecom/datacom, medical, and industrial control applications. It is used to protect I/O ports from over-voltage and ESD damage such as power glitches, ESD pulses, and power cycles. It has very low leakage current and is suitable for a wide range of operating temperatures. The device also has a very low on-state resistance making it ideal for high-speed switching, such as in digital logic or telecom/datacom applications.

Working Principle

The MRT100KP250A is a Unidirectional TVS Diode with an ESD Protection Rating of 4kV. It has an operating voltage of 10 to 100V, a peak pulse power of 2000W, and a peak pulse current capability of 250A. It is designed to provide protection against ESD and surge pulses.The device works by providing a low impedance path to the line, allowing any potential ESD or surge pulses to be dissipated over the protective path before it can reach circuit components. It also helps to maintain the correct voltage on the line, avoiding any over or under voltage conditions.The device has two different types of protection: avalanche breakdown and Zener breakdown. The avalanche breakdown occurs when the voltage across the diode becomes too high, causing the junctions to break down. This type of breakdown is used in applications where the over-voltage protection needs to be very fast. The Zener breakdown occurs when the voltage across the diode reaches a certain break-down voltage. This breakdown helps to maintain the correct level of voltage on the line, avoiding any damage to other components.

Conclusion

In conclusion, the MRT100KP250A is a useful device for a wide range of applications, providing effective protection from ESD and surge pulses. It has a low leakage current and low on-state resistance which makes it well-suited for high-speed switching. The device also provides both avalanche and Zener breakdown protection, making it a popular choice for high-reliability applications.

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