MXSMCJLCE58A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	93.6V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
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):	16A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	64.4V
Voltage - Reverse Standoff (Typ):	58V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

TVS – diodes stand for transient voltage suppression, the abbreviation diodes stands for the type of resistor component that utilizes semiconductor technology to contain and valve the voltage peaks and transients. This article will look at the particular diode model MXSMCJLCE58A and its application field and workings in detail.

Application Fields

The MXSMCJLCE58A is the type of diode that is designed for use in surge absorbing and voltage regulation applications in specific, it is designed specifically for use across the multi-line data and telecom network. This type of diode is capable of dealing with voltage surges due to static electricity build-up, the affects of inverters, and transients that may arise from ESD.

Working Principle

The working principle of the MXSMCJLCE58A is to absorb the transient voltage (whether it be positive or negative) and clamp it to a safe value so as not to damage the equipment that the diode is connected to. The diode achieves this through the programming of its response characteristics which allow it to automatically self-adjust itself and respond quickly to variation in supply voltages. When a transient voltage condition is detected, the diode quickly responds by introducing a special resistor within the circuit, this resistor will provide the circuit protection by clamping the voltage peaks to a safe value. The diode can handle high power transients, up to 300W, thanks to its specially designed surge stopper circuit. The surge stopper works by providing additional damping and suppressing power, by introducing another resistor. The surge stopper is very helpful in situations where voltage transients of high power occur.

Auto-Restoration Action

The MXSMCJLCE58A also has an auto-restoration action feature that limits the amount of time the resistor is present in the circuit and, based on the programming, will automatically reset itself to its normal operation voltage after the transient has ceased. This is very useful in quickly restoring the equipment so that the damage is minimal.

Conclusion

The MXSMCJLCE58A diode is designed specifically for use in multi-line data and telecom networks and is extremely useful for absorbing transients in the network, particularly those caused by static electricity build-up and ESD. The diode is capable of dealing with high power transients due to its specially designed surge stopper circuit and has an auto-restoration action feature that quickly restores the circuit to its normal operation voltage once the transient is over.

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