SMCJ40A-TP Circuit Protection

Current - Peak Pulse (10/1000µs):	23.3A
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:	64.5V
Voltage - Breakdown (Min):	44.4V
Voltage - Reverse Standoff (Typ):	40V
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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SMCJ40A-TP TVS - Diodes Application Field and Working Principle

TVS - Diodes, or Transient Voltage Suppression Diodes, are used to protect electrical systems from transient voltage surges. SMCJ40A-TP is a popular type of TVS diode, designed to effectively stop high-voltage surges in circuits ranging from 4V to 400V.SMCJ40A-TP has a unidirectional, non-linear design, making it suitable to protect against a wide range of overload currents. It’s designed with a clamp breakdown voltage of 400V for applications vulnerable to voltage spikes.The SMCJ40A-TP can be used in a variety of applications that require protection from transient voltage surges. It’s commonly used in automotive systems to help protect the internal components of vehicles, as well as in telecom applications. It can also be used in domestic and industrial applications, such as computers, consumer electronics, and power supplies.SMCJ40A-TP works by effectively limiting the transient voltage to a safe operating level. It does this by diverting any extra voltage to a specific grounding point, allowing the system to power down or shut off in order to avoid further damage.When the transient voltage exceeds the breakdown voltage of the diode, the Zener diode will break into conduction and clamp the voltage down to a safe level. This ensures that electrical components in the circuit are not damaged by the surge.The SMCJ40A-TP is also designed to be low capacitance, allowing for a high level of protection when the voltage spikes occur. It also operates at a relatively low level of power dissipation, while still providing enough protection to help prevent damage.In addition, the SMCJ40A-TP is designed to have a fast response time, meaning it can react quickly to transient voltage levels. This helps to ensure that the circuitry is protected in a timely manner.Overall, the SMCJ40A-TP is an excellent choice for applications which require protection from transient voltage. It offers a high degree of protection while being low power and have a fast response time. Its unidirectional design makes it suitable for a wide range of applications, and its low capacitance means it will not interfere with sensitive circuitry.

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