SMBJ51CA-13

Voltage - Clamping (Max) @ Ipp:	82.4V
Supplier Device Package:	SMB
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	7.3A
Series:	SMBJ
Voltage - Breakdown (Min):	56.7V
Voltage - Reverse Standoff (Typ):	51V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Discontinued at Digi-Key
Lead Free Status / RoHS Status:	--
Packaging:	Cut Tape (CT)

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Introduction to TVS - Diodes

TVS-diodes, or transient voltage suppressors, are components that protect against transient overvoltages. They are used in both consumer electronics and industrial applications to prevent electrostatic discharge (ESD) and surges from damaging electrical components. The SMBJ51CA-13 is one such component that is used in many electronic applications.

SMBJ51CA-13 Application Field and Working Principle

The SMBJ51CA-13 is a unidirectional, 500 Watt Transient Voltage Suppressor diode that is suitable for data line and power line protection applications. It can protect against both induced transient overvolts (EFT) and electrostatic discharge (ESD). It has a peak pulse power of 500 Watts and a peak pulse current of 20 Amps, making it suitable for protecting electrical components from a wide range of short-duration transients. The SMBJ51CA-13 works by clamping the voltage of an electrical circuit below its maximum working voltage, thus protecting the high-voltage components in the circuit from any transient voltage spikes. Its clamping voltage is determined by its PIV rating (peak inverse voltage), which is the maximum voltage that can be safely applied to the diode before it begins to conduct too much current. This peak inverse voltage is generally rated at 50V, though higher values are available in other versions of the SMBJ51CA-13. The SMBJ51CA-13 is designed to have a rapid response time to transient voltages, and its clamping voltage and response time will vary depending on the rating of the diode. Generally, the higher the PIV rating, the lower the clamping voltage and the faster the response time. In conclusion, the SMBJ51CA-13 is a very effective diode for protecting electrical components from transient voltages, such as ESD and EFT. Its rapid response time and relatively high PIV rating make it ideal for a wide range of applications.

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