SMDA24C/TR7 Circuit Protection

Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Base Part Number:	SMDA
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	45pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	300W
Series:	TVSarray™
Voltage - Clamping (Max) @ Ipp:	43V
Voltage - Breakdown (Min):	26.7V
Voltage - Reverse Standoff (Typ):	24V
Bidirectional Channels:	4
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

SMDA24C/TR7 application field and working principle

TVS Diodes are an important class of semiconductor devices used for protection against overvoltage and overcurrent conditions. Designed to protect sensitive electronic circuits, TVS diodes can be used to eliminate problems caused by excessive electricity, ranging from mis-operation to functional impairment to system destruction. The SMDA24C/TR7 is one such device, which is designed for use in applications where short transients of greater than 1000V must be handled. It is also suitable for high-speed data-line applications.

The SMDA24C/TR7 is a dual-channel, uni-directional device, with one channel to protect against the positive pulse and one to protect against the negative. Its clamping voltage is excellent at 1000V for 8/20μs pulses, with a breakdown voltage of 17.6V(min) and a peak surge power of 350W. It also features a high-voltage stand-off, low leakage current and low capacitance, making it suitable for use in high-speed data-line applications. In addition, the device\'s compact, 8-lead SOD-323 package ensures that it has a small footprint, making it easy to fit into most designs.

In terms of working principle, the SMDA24C/TR7 is based on the well-established avalanche technology. When an overvoltage or overcurrent condition exists, the semiconductor materials in the diode absorb the excess electrical energy, causing the negative breakdown voltage to be reached and resulting in the formation of a low resistance conducting path. This process, known as "avalanching", reduces the voltage across the device and dissipates the current to protect the circuit from dangerous voltage overvoltages.

In terms of applications, the SMDA24C/TR7 is ideally suited for use in industrial and automotive protection applications, such as telecom, datacom, automotive and consumer electronics. It can also be used in surge-suppressing circuits in consumer electronic products, static discharge circuits and motor drives, as well as for Transient Voltage Suppression (TVS) applications. Furthermore, it is well suited for low-speed, slow- rise time protection, as well as general-purpose protection in a variety of other applications.

In conclusion, the SMDA24C/TR7 is an ideal TVS-diode device for overvoltage and overcurrent protection applications. With its excellent clamping voltage, low leakage current and low capacitance, it is well-suited for use in a variety of applications and its compact package ensures that it can fit into most designs. Its avalanche technology provides effective protection against damaging overvoltage and overcurrent conditions, making it a reliable choice for protecting sensitive electronic circuitry.

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