MASMCGLCE43A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	69.4V
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):	21.6A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	47.8V
Voltage - Reverse Standoff (Typ):	43V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MASMCGLCE43A TVS – Diodes Application Field And Working Principle

TVS (transient voltage suppressor) diodes are semiconductor devices used in many different industrial and consumer applications, where protection from extreme voltage transients is necessary. The MASMCGLCE43A diode, in particular, is a part of Matsuo\'s MCC Series of transistors, specifically designed with a low capacitance of 1.5 pF for applications that require a low voltage surge such as advanced television circuitry and datacom systems. In this article, we will take a closer look at the application field and working principle of the MASMCGLCE43A diode and its various uses.

Application Field

The MASMCGLCE43A diode is most commonly used in television sets, as a protection against electrical surge that is caused by lightning strikes, overheated lines and other high power events that can cause a dramatic surge in the voltage and current in the lines. It can also be used in other electronic equipment, such as servers, mobile phones and various consumer appliances.The MASMCGLCE43A diode has a peak pulse current of 20A and a peak pulse power of 70W, and is designed to protect high-speed, sensitive electronic components by allowing the voltage to pass safely with minimal performance disruption.The MASMCGLCE43A diode works in pulse mode applications at frequencies up to 150 kHz and is capable of withstanding a wide range of temperature and voltage conditions. It meets the specifications set by IEC 61000-4-2 (ESD requirements) and IEC 61000-4-3 (fast transients, for example, from switching power supplies).

Working Principle

The MASMCGLCE43A diode is a variant of the transient voltage suppression (TVS) diode. This type of diode works by clamping the voltage across the diode. When the voltage reaches a certain threshold, it is then clamped to a lower level, which prevents damage to sensitive electronic components.The MASMCGLCE43A diode has a zener-derived reverse-energy conduction mechanism, which helps to limit the amount of energy that can pass through when over-voltage conditions are encountered. This is a self-limiting effect, meaning that as the voltage reaches the breakover point, the conductivity of the diode increases, causing current flow and thereby reducing the voltage across it.When a voltage transient occurs, the diode\'s breakdown voltage is reached, launching the zener-derived conduction mechanism. The diode\'s capacitance is used to absorb the surge, and as the capacitance decreases, the conductance increases, limiting the current through the device.

Conclusion

The MASMCGLCE43A diode is an important device for protecting electronic components from over-voltage conditions. The diode brings together the best of both the zener diode and the transient voltage suppressor, and has a peak current rating of 20A and a peak power rating of 70W. It is able to withstand a wide range of voltage and temperature conditions and is certified for use in IEC 61000-4-2 and IEC 61000-4-3 applications.

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