SMCJ18CA-TP Circuit Protection

Current - Peak Pulse (10/1000µs):	51.4A
Base Part Number:	SMCJ
Supplier Device Package:	DO-214AB (SMC)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	29.2V
Voltage - Breakdown (Min):	20V
Voltage - Reverse Standoff (Typ):	18V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

SMCJ18CA-TP Transient Voltage Suppressors (TVS) Diodes

Transient voltage suppressors (TVS) diodes are used in a variety of applications to protect devices from voltage transients. The SMCJ18CA-TP is one of many TVS diodes available on the market, designed to protect circuits from high-energy discharges.

Function

The SMCJ18CA-TP is a 14-pin, 600V bidirectional discrete Thyristor Transient Voltage Suppressor, featuring a low clipping voltage rating of 24V. The SMCJ18CA-TP is designed to provide a low-impedance, high-intensity bidirectional discharge path that can withstand inductive, capacitive, and direct transients up to 600 Vdc. When subjected to overvoltage conditions, the SMCJ18CA-TP will continuously conduct current until the overvoltage has dissipated. The device will reset automatically once the voltage has fallen below the normal operating voltage.

Performance

The SMCJ18CA-TP has a maximum peak forward surge current of 16.5A with a ten-nanosecond rise time and a peak pulse power rating of 5 kilowatts. It can also dissipate a maximum of 6 mJ of energy per pulse. It has a rated working voltage of 600V and an operating temperature range of -65°C to +175°C. The SMCJ18CA-TP is available in leads-free, ceramic, and tab-mounted packages, depending on the application.

Applications

The SMCJ18CA-TP is a low-cost, high-performance solution for automotive and consumer electronics applications. It is designed to protect circuits from high-energy surge transients created by inductive and capacitive loads, as well as from direct switch-load transients. It is ideal for use in applications such as lighting, communications, and networking equipment. It can also be used in LCD displays, audio equipment, and other consumer electronics that require protection from voltage transients.

Working Principle

The SMCJ18CA-TP utilizes a bidirectional, low-impedance path to provide excess voltage protection. When the voltage exceeds the breakover voltage, the diode is triggered and conducts current in both directions, providing an effective discharge path. Once the voltage reaches its normal operating level, the path is interrupted and the diode will reset. The low-impedance nature of the device allows it to react quickly to high-energy transients while providing protection across a wide voltage range.

Conclusion

The SMCJ18CA-TP is a highly reliable, low-cost solution for protecting circuits from voltage transients. It features a low breakover voltage and a bidirectional low-impedance path that is ideal for automotive and consumer electronics applications. It is available in leads-free, ceramic, and tab-mounted packages and it is designed to withstand inductive, capacitive, and direct transient voltages up to 600Vdc.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description