CD214B-T170ALF Circuit Protection

Voltage - Clamping (Max) @ Ipp:	275V
Supplier Device Package:	SMB (DO-214AA)
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):	2.2A
Series:	--
Voltage - Breakdown (Min):	189V
Voltage - Reverse Standoff (Typ):	170V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

TVS (transient voltage suppressors) diodes are an important element of electronic circuits. They are designed for protection against high-energy transient in abroad range of applications. Among them, the CD214B-T170ALF, a two-lead bi-directional device is widely used in the market due to its excellent electrical and thermal performance in different operating environments.

Applications

The CD214B-T170ALF is suitable for most commonly used operating systems in the industrial, commercial, and telecommunications sectors, including automotive, aerospace and photovoltaic industries. It can be used as an overvoltage protector for home appliances, such as electric cookers, microwave ovens, refrigerators, air conditioners, washing machines, etc. It can also be used as protection for LED and LCD backlights, and various types of communication apparatus.

Working Principle

The CD214B-T170ALF features a highly reliable non-linear integrated circuit with a peak power rating of 170 volt (V). The device is made of a silicon substrate with a plurality of series and parallel connected PN junctions. Upon application of an overvoltage event, it utilizes avalanche breakdown to quickly absorb large amounts of energy and divert it away from the protected circuitry. This greatly limits the voltage transient, preventing damage to electronic modules and circuits. When compared to other voltage protection solutions, the CD214B-T170ALF has a superior robustness with high temperature and humidity resistance. It features a fast response time and a compact footprint for better integration into boards, making it an ideal solution for various applications that require quick voltage suppression.

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