SMCJ64A

Voltage - Clamping (Max) @ Ipp:	103V
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)
Current - Peak Pulse (10/1000µs):	14.6A
Series:	SMCJ
Voltage - Breakdown (Min):	71.1V
Voltage - Reverse Standoff (Typ):	64V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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The SMCJ64A TVS diode is a form of surge protection device for protecting electronic equipment from overvoltage transients. It is also known as a Zener diode and is composed of an array of static junctions that clamp the voltage that can be applied to the protected items. It is available in break-down voltage ratings ranging from 6.8V to 176V. This device is used mainly in the protection of sensitive electronic systems such as personal computers, audio and video systems, digital control systems, and power supplies. It can also be used in telecommunications equipment, medical systems, and military systems. The SMCJ64A Diode provides excellent protection from high voltage transients by quickly diverting large amounts of energy away from the protected system. The diode is designed to function in transient overvoltage conditions and can be used for both AC and DC applications. The diode consists of a diode core and an array of zener diodes. These diodes are connected in parallel and the combination of the two forms a protective barrier against transient overvoltage conditions. The diode can absorb a surge that exceeds the breakdown voltage rating and then quickly dissipate the excess energy to ground. The working principle behind the SMCJ64A is relatively simple. When a transient overvoltage exceeds the rated breakdown voltage, the clamped diode conducts and diverts the energy away from the protected system. The diode also offers a fast response time and can handle multiple transient surges. The fast response time is particularly important in the protection of sensitive electronic systems as it prevents damage from long-term exposure to overvoltage conditions. The SMCJ64A has several advantages over traditional Zener diodes. The use of multiple cells in the diode increases the breakdown voltage rating as well as the current handling capacity. Additionally, the use of the multiple cells results in a lower voltage drop than what would be seen with a single Zener diode. The rugged construction of the diode also increases the durability of the protection system. In summation, the SMCJ64A TVS diode is an ideal choice for the protection of sensitive electronic systems. It is available in break-down voltage ratings ranging from 6.8V to 176V and offers a fast response time, high current handling capacity, and rugged construction. The multiple zener diode construction ensures that transient overvoltage conditions are clamped and quickly dissipated to ground, and the low voltage drop improves efficiency of the protected system. Overall, the SMCJ64A provides excellent protection for a wide range of applications.

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