MSMCJ8.5CA/TR

Current - Peak Pulse (10/1000µs):	104.2A
Supplier Device Package:	SMCJ (DO-214AB)
Package / Case:	DO-214AB, SMC
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)
Series:	Military, MIL-PRF-19500
Voltage - Clamping (Max) @ Ipp:	14.4V
Voltage - Breakdown (Min):	9.44V
Voltage - Reverse Standoff (Typ):	8.5V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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TVS – Diodes: MSMCJ8.5CA/TR Application Field and Working Principle

Transient Voltage Suppressor Diodes (TVSs) are devices designed to protect sensitive electronic components, wiring and connectors from stress caused by transient overvoltage conditions. The large variety of TVSs available on the market make them the device of choice for several applications such as automotive, consumer, data processing and communications. The MSMCJ8.5CA/TR is a TVS diode in the Automotive Discrete Power (ADP) family that offers a robust ESD protection solution for automotive applications.The MSMCJ8.5CA/TR is a unidirectional TVS diode designed to protect against external electrostatic discharge (ESD) and other destructive transient voltage surges. It is a low capacitance, automotive qualified and AEC-Q101-qualified device specifically designed to protect high speed communication interfaces such as MIPI/LVDS/USB/Ethernet from damaging transient surge currents. The device meets JEDEC EIA/JESD22 sensors, enabling it to provide exceptional circuit protection across a wide range of automotive applications.The MSMCJ8.5CA/TR device consists of a monolithically integrated, back-to-back, bidirectional Zener diode that is capable of suppressing any reverse-polarity transients in excess of the 8.5V breakdown voltage. The transient suppression is achieved by the action of the Zener and high-speed switching diode in the package. The fast, high-capacity clamping of the excess voltage occurs before the surge can enter and damage the protected circuitry, thus providing an unbeatable level of protection.The working principle of the MSMCJ8.5CA/TR TVS diode includes two integrated back-to-back Zener diodes that will break down at the same voltage, with one oriented for reverse polarity and the other for forward polarity. This part also includes a high-speed switching diode for latch-up protection. This diode latches up during an overvoltage condition, providing discrimination and an enhanced level of protection against negative transients. The device can limit peak current transients up to 500mA, ensuring excellent overvoltage protection for high-speed signal boundaries.In addition to its high-speed protection capabilities, the MSMCJ8.5CA/TR also provides ESD protection up to 15kV (HBM). This makes it an ideal choice for protecting communication lines from the effects of external or internal ESD. The device also has a low interface capacitance of 150pF, making it suitable for protecting high-speed signal lines that require low capacitance for optimal performance.In conclusion, the MSMCJ8.5CA/TR TVS diode is a robust and cost-effective automotive transient protection solution that offers superior protection against ESD, transient surges, and latch-up events. This device is suitable for a wide range of automotive applications, as its low capacitance, ESD immunity, and fast response time make it the perfect choice for protecting high-speed signal boundaries from transient events that could lead to equipment failure.

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