MX1.5KE250A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	344V
Supplier Device Package:	CASE-1
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	5A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	237V
Voltage - Reverse Standoff (Typ):	214V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MX1.5KE250A belongs to the TVS-Diodes, which are designed to protect sensitive electronic devices against fast transient voltage and suppress surges to a safe level. They offer superior performance in ESD, lightening, inductive load switching and power inductive applications.The MX1.5KE250A is designed specifically for high-energy, multiple-pulse applications such as lighting and electrostatic discharge. It has a high standoff voltage at 1.5kV and an ultra-low reverse current (less than 10 μA). It also features a fast response time, with a breakdown voltage typically at 250V.The working principle of this devices is based on the avalanche effect. As the avalanche voltage increases, the current in the diode will suddenly become much higher, known as the avalanche effect. In the avalanche region, the avalanche current rises very quickly, exceeding the holding current and increasing the voltage drop across the chip, from 0.7V to 1.7V.When the voltage across the device reaches the clamping voltage, the current will be clamped to a safe level. This device offers outstanding ESD protection and superior performance in reverse ESD protection in multiple pulse applications. It offers excellent electrical performance, high reliability and high power stability.The MX1.5KE250A is a unidirectional device suitable for use in various applications such as battery chargers, portable devices, USB ports, etc. It is designed to be used in many boards, especially in multi-layer boards. The device is designed with an optimized clamping voltage for fast response and superior surge protection in ESD, lightening, inductive load switching and power inductive applications.Apart from providing ESD protection, the MX1.5KE250A also offers EMI and RFI protection. It has an excellent capacitance to voltage characteristics, making it suitable for high frequency EMI and RFI suppression. The EMI and RFI protection ensures that the device is compliant with standards such as UL, FCC and CSA.The MX1.5KE250A is available in a highly-reliable, cost effective SMB (surface mount) package and is lead-and halide-free. This package provides superior electrical performance and is ideal for high density circuit board applications.In conclusion, the MX1.5KE250A is an effective and reliable protecting device designed for high energy, multiple pulse applications. It offers superior surge protection, EMI and RFI protection, and high reliability in a cost effective, highly reliable SMB package. It is a suitable choice for applications such as battery chargers, portable devices, USB ports, etc.

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