P1900MEL

Series:	SIDACtor®
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	220V
Voltage - Off State:	155V
Voltage - On State:	4V
Current - Peak Pulse (8/20µs):	5kA
Current - Hold (Ih):	50mA
Number of Elements:	1
Capacitance:	650pF
Mounting Type:	Through Hole
Package / Case:	TO-218-3, TO-218AC

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Introduction to the P1900MEL TVS

The P1900MEL is a three terminal bidirectional Transient Voltage Suppressor (TVS) diode that uses silicon-based processing techniques for its functionality. It is able to provide a variety of protection solutions to a broad range of electronic systems. It provides a fast rugged protection to over-voltage transients which are capable of causing catastrophic destruction to delicate circuits and devices.

Application Field of the P1900MEL

The P1900MEL TVS can be found in a variety of applications such as automotive electronics, industrial control systems, network node protection, and consumer electronics. Its primary purpose is to protect these systems from transient voltage surges that can cause permanent destruction of sensitive equipment. It is ideally suited for ESD protection for a wide range of equipment, such as computers, video, audio, and telecommunications equipment. The P1900MEL can also be used in clamping applications such as lightning-proof and ESD protection for cellular and satellite receivers. It can be used in a variety of low voltage applications such as automotive controllers, consumer electronics, and telecom networks.

Working Principle of the P1900MEL

The P1900MEL operates as a Thyristor device which is essentially a voltage-triggered silicon controlled switch. Its unique design uses high aspect ratio diffusions with improved voltage blocking capability. This design also enables it to remain in a low on-state resistance even during normal operation.When a transient voltage surge passes through the P1900MEL, it acts like a switch to limit the magnitude of the voltage below a certain threshold level. This is achieved by breaking the circuit path between the cathode and the anode terminals then redirecting the transient voltage to the cathode of the P1900MEL.The P1900MEL device also has internal protection circuitry which is designed to prevent catastrophic failure during severe overload conditions. The device is designed to limit the surge current to rated peak current without suffering damage to the device itself. This ensures reliable and long-term operation for the device.

Conclusion

The P1900MEL is a Thyristor device designed to provide a reliable protection solution against voltage transients. Its ability to protect against over-voltage transients makes it ideal for a wide range of applications. Its internal protection circuitry ensures long-term reliability, making it suitable for a variety of applications that require voltage protection solutions.

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