1SMC24A TR13 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	38.9V
Supplier Device Package:	SMC
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)
Current - Peak Pulse (10/1000µs):	38.6A
Series:	--
Voltage - Breakdown (Min):	26.7V
Voltage - Reverse Standoff (Typ):	24V
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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TVS (Transient Voltage Suppressor) Diodes are components designed to protect against electrical transients, such as lightning, electrostatic discharge, power surges and other overvoltage events. The 1SMC24A TR13 is a Thyristor Surge Protection Device (TSPD) designed for use in standard single and three phase configurations. Below is an overview of the application field and working principle of this component.Application FieldThe 1SMC24A TR13 is designed for applications where electrical transient suppression is required in normal, three-phase operation. This includes motor control, electronic compressor, and lighting systems. It can also be used in single-phase AC applications such as uninterruptible power supply systems, inverters and HVAC controls, as well as various other industrial applications requiring electrical surge protection.Working PrincipleThe 1SMC24A TR13 is a silicon-controlled rectifier (SCR) type TSPD. Its working principle is based on avalanche breakdown voltage. When the voltage on the anode exceeds the avalanche breakdown voltage of the SCR, current begins to flow through the device, creating an avalanche effect. The charge current is then limited by the snubber capacitor, which produces a voltage difference that prevents further current flow and dissipates any remaining voltage. The combination of the SCR and the snubber capacitor protects the device from overvoltage transients.ConclusionThe 1SMC24A TR13 is a reliable, efficient device for providing electrical surge protection in a variety of industrial and commercial applications. Its Silicon-controlled rectifier (SCR) type TSPD design reliably limits the surge current to safe levels, while its snubber capacitor dissipates the excess charge voltage. The device is capable of handling a wide range of single- or three-phase voltage transients, offering an effective and economical solution for protection against these potentially dangerous events.

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