MSMCGLCE12AE3

Voltage - Clamping (Max) @ Ipp:	19.9V
Supplier Device Package:	SMCG (DO-215AB)
Package / Case:	DO-215AB, SMC Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	100pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	75A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	13.3V
Voltage - Reverse Standoff (Typ):	12V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction: What is TVS - Diodes

TVS (Transient Voltage Suppression) diodes are an active electronic and electrical component used to protect circuits against electrical overvoltage. They are a type of semiconductor diode, usually composed of two p-n junctions connected in series, usually in the form of a single-line bidirectional diode. When subjected to a voltage spike, the diode begins to conduct, and the current produced by it dissipates the excess voltage before it damages any other components of the circuit.

MSMCGLCE12AE3 Application Field and Working Principle

The MSMCGLCE12AE3 is a transient voltage suppression (TVS) diode developed and manufactured by Littelfuse. It incorporates their proprietary "HYPER Z" technology, which improves surge endurance, and high energy absorption capabilities. It offers a 10 watt surge dissipation capability at a 10/1000µs waveform, making it suitable for applications such as lightning strikes, power line surges, and high voltage transients. The MSMCGLCE12AE3 is designed to provide protection against high voltage transients from various sources such as ESD, inductive loads, cable EMI, AC power lines, and lightning surges. It is a single line bidirectional diode containing two p-n junctions connected in series. When exposed to a voltage spike, the diode begins to conduct and dissipates the excess voltage before it damages any circuit components. The reverse standoff voltage of the MSMCGLCE12AE3 ranges from 20V to 44V depending on the version. The forward voltage drop is 0.8V, while the reverse leakage current is minimal. Its environmental temperature range is -55°C to +175°C and it withstands transient pulses with a repetition rate of up to 100kHz. The diode has a wide variety of available packages, including SOT-223, SMA, SMB, and SMC. It also comes in various humidity options, such as moisture seal, dry pack, and moisture seal with epoxy. In its application, the MSMCGLCE12AE3 provides a wide range of performance characteristics. It is capable of industrial and automotive EMC applications, as well as a variety of other applications, such as AC power lines, cable EMI, inductive loads, and lightning surges. It is also capable of providing up to 10 watts of surge dissipation and a 10/1000µs waveform.

Conclusion

The MSMCGLCE12AE3 transient voltage suppression (TVS) diode is a versatile device which offers enhanced surge protection capabilities. It is capable of efficiently dissipating excess voltage before it damages any circuit components, and it is suitable for a variety of applications, such as lightning strikes, power line surges, and high voltage transients. In addition, it is available in various packages, humidity options and temperature ranges, making it ideal for industrial as well as automotive EMC applications.

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