M1.5KE12A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	16.7V
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):	90A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	11.4V
Voltage - Reverse Standoff (Typ):	10.22V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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The M1.5KE12A is a transient voltage suppressor (TVS) diode device designed to protect sensitive electronic components from transient voltages caused by lightning, electrostatic discharge, and other overvoltage events. It is designed to be an economical solution which can be used in place of traditional surge suppressors when cost and size are significant limiting factors.The M1.5KE12A consists of two components: a directional TVS diode and a Zener diode. The TVS diode is a unidirectional device that acts as a short circuit when the applied voltage has a certain level or higher, and a high impedance when the voltage is lower than the level. It is designed to protect against high frequency transient voltages such as electrostatic discharges, and provides a fast response time to aggressive events.The Zener diode is a bidirectional device which is designed to break down at a predetermined voltage, allowing diverted current to be returned to the power source. This diode captures current associated with oscillating transients, thus preventing them from causing damage to sensitive electronics. When an overvoltage event occurs, the Zener diode will conduct current most efficiently to protect the system.The M1.5KE12A can be used in a variety of applications including automotive, industrial, and consumer products. It is used both as a primary and secondary surge protection device, and is suitable for automotive applications including data line protection in vehicles. It can also be used in power supplies and other consumer devices where it provides improved surge immunity.The M1.5KE12A has a fast response time, wide peak reverse voltage range, and low clamping voltage design. It features a high surge capability of up to 1500 Watts (or Ipp of 150 A) at a peak reverse voltage of 14 volts. This device is able to handle up to 8000 amps of surge current, and is available with solderable configurations for flexible termination.In summary, the M1.5KE12A is a versatile TVS diode device that provides fast and reliable protection against transient overvoltage events in automotive, industrial, and consumer applications. Its fast response and high current handling make it an ideal solution for applications where cost and size are important limiting factors. The M1.5KE12A is a cost-effective solution for protecting sensitive electronics from transient events like ESD and lightning strikes.

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