MXSMCG7.0A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	12V
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:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	125A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	7.78V
Voltage - Reverse Standoff (Typ):	7V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The TVS (Transient Voltage Suppression) diode is a protective device used to eliminate stress caused by an electrical surge or transient. Specifically, the MXSMCG7.0A is an advanced protection diode designed for device protection in automotive applications. It is designed to protect a wide variety of electronic components from over-voltage, over-current, and reverse bias micro-discharges.

Application Field

The MXSMCG7.0A is an application-specific, robust and reliable, automotive-grade protection diode designed for high-voltage automotive applications. It is suitable for both AC and DC ESD protection circuits, protecting microprocessors, hybrids, ASICs, semiconductor chips, and other automotive-grade components. The wide operating voltage range of the MXSMCG7.0A allows it to be used in high-compression automotive applications. It also features an integrated protection circuit to guard against surge damage, providing extra protection for sensitive automotive components.

Working Principle

The MXSMCG7.0A operates on the principle of peak current limiting. When an over-voltage pulse is applied to the diode, it “snaps” into conduction, limiting the current flowing through the protected device to a predetermined level. The diode features a captive overvoltage lockout feature- this means that the diode will only come on if the voltage is higher than the specified lockout voltage. This works to protect sensitive devices from potential catastrophic damage caused by over voltage.Another feature of the MXSMCG7.0A is its high transients suppression efficiency. This enables the diode to suppress up to 30A of energy, allowing it to protect against ESD (electrostatic discharge) and surge events. The diode is highly robust and reliable, and offers excellent dynamic performance in harsh operating conditions.

Conclusion

The MXSMCG7.0A is an ideal protection diode for automotive applications. With its wide operating range, high transients suppression efficiency, and captive overvoltage lockout, it provides robust and reliable protection against over-voltage, over-current, and reverse bias micro-discharges. As an automotive-grade device, it is designed to provide superior performance and reliability, and has become a mainstay of automotive protection circuits.

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