NUP1301,215 Circuit Protection

Current - Peak Pulse (10/1000µs):	11A (8/20µs)
Base Part Number:	NUP1301
Supplier Device Package:	SOT-23 (TO-236AB)
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TA)
Capacitance @ Frequency:	0.6pF @ 1MHz
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	220W
Series:	Automotive, AEC-Q101
Voltage - Clamping (Max) @ Ipp:	20V
Voltage - Breakdown (Min):	100V
Voltage - Reverse Standoff (Typ):	80V (Max)
Unidirectional Channels:	1
Type:	Steering (Rail to Rail)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

TVS (transient voltage suppressor) - diodes, also called transil, are semiconductor devices that protect electrical circuits against high voltage transients and surges. The NUP1301,215 is a bi-directional single-step uni-directional TVS diode array, designed for electronic communication and networking circuits protection.The NUP1301,215 is constructed using the Zener breakdown principle and acts as a surge current limiter and overvoltage protection device.

NUP1301,215

The NUP1301,215 is a low capacitance Transil diode specially designed for data line surge immunity in communication networks and power converters applications. It is packaged in a small, hermetic case with a general purpose lead frame that has an exposed pad for easy soldering. The NUP1301,215 has an operating temperature range of -55 to +155 °C and an insulation voltage of ±55 V. It is also capable of surviving a surge current rating of up to 10 A at an 8/20 µs PST waveform.

Application Field and Working Principle

The NUP1301,215 is typically used in communication and networking equipment, automotive systems, and other wiring systems that are subject to high voltage transients or surges. It is designed to protect circuits from unsafe voltages resulting from lightning, AC power outages, and other high voltage transients.The NUP1301,215 works on the Zener breakdown principle, which is the process in which a diode turns from a low impedance state to a high impedance one, when the reverse voltage applied to it exceeds a specific threshold value, called the Zener voltage. When the voltage on the diode exceeds the Zener voltage, the diode will start conducting and the current will be limited to the level that can be safely handled by the downstream devices. When the surge has passed, the diode turns back to its normal, low impedance state.

Conclusion

The NUP1301,215 is an ideal device for protecting circuits against high voltage transients and surges. It\'s small, hermetically sealed case design and low capacitance makes it a perfect choice for electronics communication and networking applications. The NUP1301,215\'s Zener breakdown principle operation ensures that it will provide reliable and effective protection with a fast response time.

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