SMB10J20A R5G Circuit Protection

Series:	SMB10J
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	20V
Voltage - Breakdown (Min):	22.2V
Voltage - Clamping (Max) @ Ipp:	32.4V
Current - Peak Pulse (10/1000µs):	30.9A
Power - Peak Pulse:	1000W (1kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)

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Introduction to SMB10J20A R5G

The SMB10J20A R5G is a very popular TVS (Transient Voltage Suppressor) Diode, a highly efficient and reliable device that is used in a variety of applications. TVS diodes are designed to protect sensitive electronics from the damaging effects of electrical transients: abrupt voltage spikes that occur in power and communication systems. The SMB10J20A R5G is a surge-protection alternative to a traditional fuse, providing superior protection for your strain sensitive applications.

Application Fields of the SMB10J20A R5G

The SMB10J20A R5G is specifically designed to protect against transients in strain sensitive applications. It is often used in communication and power systems, including but not limited to: data transmission devices in the automotive, medical, and industrial fields, as well as in all sorts of consumer and industrial electronics. It can also be used in more specialized electronics such as telecom central offices, or even PLCs, where an enhanced performance over regular fuses is required. Unlike conventional fuses, the SMB10J20A R5G is designed to absorb and dissipate voltage transients and protect against the damage they would cause. It can withstand large surges of up to 10 kilojoules (kJ), which makes it ideal for high-voltage applications.

Working Principle of the SMB10J20A R5G

The SMB10J20A R5G has a simple but vital role in protecting against voltage transients: it acts as a short-duration bidirectional clamping device. The device works by allowing current to pass through it in one direction, while suppressing current flow in the opposite direction. This allows the SMB10J20A R5G to prevent voltage transients from passing on to sensitive electronics. The SMB10J20A R5G is capable of suppressing both common-mode and differential-mode transients. It is made up of an anode and a cathode, which are connected in a special way such that current can only flow in one direction. When a voltage change occurs, the SMB10J20A R5G rapidly turns on and begins shunting the transient current away from the sensitive areas of the circuit. The SMB10J20A R5G also utilizes a specially designed metal-oxide varistor (MOV) to reduce the clamping voltage. This helps to protect sensitive equipment from larger current transients, allowing it to achieve high levels of efficiency.

Conclusion

The SMB10J20A R5G is an essential component for protecting valuable and critical electronic equipment from the damaging effects of electrical transients. It is a highly efficient and reliable device which can withstand up to 10kj of surge current, making it perfect for high-voltage applications. The device is a great alternative to traditional fuses, as it offers superior protection for strain sensitive applications.

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