SMB8J13CHE3/52

Current - Peak Pulse (10/1000µs):	33.6A
Base Part Number:	SMB8J
Supplier Device Package:	DO-214AA (SMB)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	800W
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Clamping (Max) @ Ipp:	23.8V
Voltage - Breakdown (Min):	14.4V
Voltage - Reverse Standoff (Typ):	13V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: SMB8J13CHE3/52 Application Field and Working PrincipleTVS (Transient Voltage Suppressor) diodes, also known as clamping diodes, are a type of semiconductor device designed to protect circuits from excessively high voltages and sudden electrical transients and surges. The TVS diode is a device that can be used to protect sensitive circuits and components from extreme high voltages. This article will discuss the application field and working principles of the SMB8J13CHE3/52 TVS diode.The SMB8J13CHE3/52 is a bidirectional TVS diode, available in a surface mount SOT-23 package. The SMB8J13CHE3/52 features a 5.5 V working voltage and a 13 A peak pulse power rating. It is designed to protect against positive and negative transients up to 5.5 V, and offers low capacitance, making it well-suited for high speed data line protection. The device is ideal for applications in the automotive, industrial, and consumer markets, including protection for automotive in-vehicle networks and systems, industrial ACDC power supplies and motor drives, and consumer appliances and electronic equipment.The working principle of the SMB8J13CHE3/52 is similar to that of other TVS diodes. When the voltage across the diode exceeds its peak power rating, the diode conducts current in the reverse direction. This prevents the voltage from getting too high, limiting the peak voltage across the diode to its working voltage. This limits the often-damaging electrical transients and surges that otherwise could damage the sensitive circuitry.The SMB8J13CHE3/52 is rated for 13 A in pulsed power, meaning it can handle up to 13 A peaks without sacrificing its performance. In addition to its working voltage and peak power ratings, the SMB8J13CHE3/52 also has a capacitance rating of 5 pF, which is among the lowest capacitance ratings for TVS diodes. This low capacitance rating makes the SMB8J13CHE3/52 well-suited for use in high speed data lineprotection applications, such as USB, RS-485, and Ethernet.To ensure the SMB8J13CHE3/52 performs as expected, it should be handled with care, as mishandling can result in device failure. The device should be stored in its manufacturer’s original packaging away from direct sunlight, and it should be mounted on a clean, dry, and flat surface. The device should be mounted in a way that ensures full contact with the board and adequate cooling. Additionally, the device should be soldered using appropriate methods and temperatures, and proper ESD (Electro Static Discharge) precautions should be taken when handling the device.In conclusion, the SMB8J13CHE3/52 is a bidirectional TVS diode designed to protect circuits from high voltages and sudden electrical transients and surges. Its 5.5 V working voltage and 13 A peak pulse power rating make it well-suited for a wide range of applications, including automotive, industrial, and consumer markets. The device also has a low capacitance rating, making it well-suited for high speed data line protection. Proper care should be taken when handling the SMB8J13CHE3/52 to ensure optimal performance and device longevity.

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