SMAJ10A-M3/5A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	17V
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	23.5A
Series:	TransZorb®
Voltage - Breakdown (Min):	11.1V
Voltage - Reverse Standoff (Typ):	10V
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 - Diodes

Transient Voltage Suppressors (TVSs), or Transient Voltage Suppression diodes, are designed to clamp high voltage transients, thus providing protection for sensitive parts of electrical circuits from overvoltage, spikes, and ESD (Electro-Static Discharge). These diodes have become an increasingly important component in electrical applications due to the growing demand for reliable protection from transient voltage events.The SMAJ10A-M3/5A is one such device, specifically designed for high-frequency switching applications and low reverse leakage. It consists of two parts – an anode and a cathode – connected together by an air gap junction. The SMAJ10A-M3/5A is an unidirectional device, meaning it only allows current to flow in one direction. As a result, it is often used in circuits as a form of protection.When a high voltage transient is applied to the SMAJ10A-M3/5A, the air gap junction will break down, resulting in a current spike. This current spike will be dissipated through the device, providing protection to the connected circuits from potentially damaging voltage levels.The SMAJ10A-M3/5A is ideal for applications where a high surge current, low reverse leakage, and fast response time are desired. Common applications include transceiver protection, base transceiver station protection, power supply regulation, and protection in closed-circuit television (CCTV) systems.In terms of operation, the SMAJ10A-M3/5A has two main states depending on the transient voltage applied. When a low voltage transient is applied, the device will be in forward bias, meaning current will flow from the anode to the cathode. The voltage drop of the current through the SMAJ10A-M3/5A will be relatively low (less than 1.2V).When a high voltage transient is applied, the device will be in reverse bias and the voltage drop will be significantly higher (up to 30V). In the reverse bias state, current flows through the air gap junction and is quickly dissipated, resulting in the protection of the circuit from the high transient voltage.In conclusion, the SMAJ10A-M3/5A is a useful device for providing protection from transient voltages and ESD in applications requiring high frequency switching, low reverse leakage, and fast response times. Its reliable performance makes it ideal for use in power supplies and CCTV systems.

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