SMAJ18CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	29.2V
Supplier Device Package:	SMA (DO-214AC)
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):	13.7A
Series:	SMAJ
Voltage - Breakdown (Min):	20V
Voltage - Reverse Standoff (Typ):	18V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

SMAJ18CA Application Field and Working Principle

SMAJ18CA is a two-terminal bidirectional solid state device, often called a Transient Voltage Suppression Diode (TVS). It has an intended purpose of protecting voltage sensitive components from damage due to transient voltage events such as static electricity or voltage surges associated with lightning strikes. This type of diode is commonly used in consumer electronics to prevent devices from being damaged by voltage transients.In terms of its operation, SMAJ18CA functions as a Zener diode, which is a device designed to operate in the breakdown or reverse breakdown region of its doping profile. When the voltage across the device exceeds a specific threshold, the junction will move into the breakdown region which allows current to flow through the device, thereby reducing the voltage to a safe level. The device has a maximum breakdown voltage of 18 volts and is able to dissipate up to 600 watts of power, allowing it to protect sensitive components from high-voltage events. The device is typically designed to protect sensitive components such as microprocessors, memories, and logic integrated circuits. This protection is provided by clamping the voltage due to a transient voltage event down to a safe level. The device\'s clamping voltage should be carefully chosen in order to not exceed the maximum ratings of the components it is protecting. SMAJ18CA is a widely used protection device that is designed to protect against high-voltage transients, and it offers levels of protection that are generally considered superior to other available solutions. It has a low capacitance and low clamping voltage, making it ideal for use in high frequency applications. Additionally, it also offers good thermal stability and excellent reliability. The device is typically available in a surface mount package, making it easy to integrate into the design of electronic devices. SMAJ18CA can be used in a wide variety of applications including digital and analog circuits, high-capacity switching power supplies, and LED lighting systems. In conclusion, SMAJ18CA is a widely used, effective protection device that is designed to protect sensitive components from the effects of transient voltage spikes. It operates as a Zener diode and is able to dissipate up to 600 watts of power, while providing excellent stability and reliability. This makes SMAJ18CA an ideal choice for applications where high-voltage transients are a concern.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description