USB50812C-AE3/TR13 Circuit Protection

Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Base Part Number:	USB50812
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	3pF @ 1MHz
Applications:	Ethernet
Power Line Protection:	No
Power - Peak Pulse:	500W
Series:	--
Voltage - Clamping (Max) @ Ipp:	26V
Voltage - Breakdown (Min):	13.3V
Voltage - Reverse Standoff (Typ):	12V
Bidirectional Channels:	2
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to TVS - Diodes

TVS diodes, or Transient Voltage Suppressors, are electronic components used to protect electronic circuitry from voltage spikes. They are designed to rapidly clamp excess voltage to a safe level, and are used in a wide variety of applications such as AC adapters, power supplies, computers, and automobiles. TVS diodes are made up of several layers of semiconductor material, each containing either a positive or negative voltage, which is used to suppress transient voltages when they are triggered by a voltage spike.

The USB50812C-AE3/TR13

The USB50812C-AE3/TR13 is a high-performance, low-capacitance TVS diode specifically designed for transient voltage protection in high-frequency applications. It is composed of two Bi-directional TVS diodes which are connected in series to provide maximum protection. The USB50812C-AE3/TR13 is capable of suppressing voltage transients up to 8.5kV, making it a perfect choice for applications that require reliable protection from voltage surges.

Application Field

The USB50812C-AE3/TR13 is suitable for a wide variety of applications, such as medical equipment, industrial control systems, telecom systems, and audio-visual equipment. The USB50812C-AE3/TR13 is well-suited for protecting sensitive equipment from over-voltage conditions and can also be used in applications where fast response time is critical, such as power lines and other high-frequency power supplies.

Working Principle

The USB50812C-AE3/TR13 is composed of two Bi-directional TVS (transient voltage suppressor) diodes which are connected in series across the power and data lines. The two diodes are configured to block the flow of current until a pre-determined voltage (the breakdown voltage) is exceeded. When the breakdown voltage is exceeded the two diodes become conductive and allow current to flow through the circuit, while rapidly clamping the incoming transient voltage at a safe level.

Conclusion

The USB50812C-AE3/TR13 is a versatile TVS diode which can be used to protect high-frequency applications from voltage transients. The two bi-directional diodes are configured to block the flow of current until the breakdown voltage is exceeded at which point the two diodes become conductive and quickly clamp the incoming transient voltage at a safe level. This makes the USB50812C-AE3/TR13 an ideal choice for a wide variety of applications, such as medical equipment, industrial control systems, telecom systems, and audio-visual equipment.

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