SMCJ5.0C-E3/9AT

Current - Peak Pulse (10/1000µs):	156.3A
Base Part Number:	SMCJ
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	9.6V
Voltage - Breakdown (Min):	6.4V
Voltage - Reverse Standoff (Typ):	5V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Overview

The SMCJ5.0C-E3/9AT is a TVS diode, which features an ultra low clamping voltage of 5.0V with a very low 5mA nominal breakdown current. It is specifically designed for the protection of sensitive electronic equipment from voltage transients caused by lightning, electrical discharge and other transient voltage events.

Application Field

The SMCJ5.0C-E3/9AT is mainly used in surface mount technology as a protection component on automotive and transportation equipment, computers and peripherals, telecommunications and home appliance circuits. It\'s also used in industrial, medical, and other highly sensitive applications. The SMCJ5.0C-E3/9AT is ideal for applications requiring ultra-low clamping voltages and very low breakdown currents.

Design Characteristics

The SMCJ5.0C-E3/9AT features a Flat Ribbon Power Trim that adjusts the leakage current to a minimal level while maintaining the device’s transient waveform characteristics. This gives designers greater flexibility when allocating board space or power dissipation, or when selecting a current capability for a given diode. Furthermore, it is rated to operate at junction temperatures of up to +175°C, making it suitable for use in high temperature environments. The device is also housed in a glass passivated package, and is rated at a power dissipation of 500mW. This ensures that the diode’s performance will remain consistent and reliable regardless of the environmental conditions or operating temperature range.

Working Principle

The SMCJ5.0C-E3/9AT operates in two distinct modes. In normal operating mode, the device behaves like a regular diode, passing current in one direction only. In transient protection mode, the device begins to conduct and clamp the voltage to a safe level as soon as it detects an overvoltage condition or a short-duration voltage transient. The device also features a bidirectional blocking capability, allowing it to absorb and dissipate very high voltage transients from either direction. This makes it ideal for protecting batteries, connectors, and other sensitive components from the damaging effects of high voltage transients.

Conclusion

The SMCJ5.0C-E3/9AT is an ideal choice for protecting sensitive electronics from voltage transients caused by lightning, electrical discharge, and other transient voltage events. Its low clamping voltage, low breakdown current, bidirectional blocking, and high temperature rating make it suitable for a wide range of applications, from automotive and transportation equipment, to computers and peripherals, telecommunications, and home appliances. With its design features and rugged construction, the SMCJ5.0C-E3/9AT is an excellent solution for reliable transient protection.

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