CD214B-T11ALF

Voltage - Clamping (Max) @ Ipp:	18.2V
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):	33A
Series:	--
Voltage - Breakdown (Min):	12.2V
Voltage - Reverse Standoff (Typ):	11V
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

The CD214B-T11ALF Transient Voltage Suppressor Diode (TVS Diode) is a general purpose diode used to protect against electrical overstress in a wide variety of applications. It is designed to protect circuits against voltage spikes of up to 1.5V. Specifically, it was designed to protect low power data line, signal line, analog circuit, control circuit and other circuits from disturbances caused by electrostatic discharges (ESD).

Structure

The structure of the CD214B-T11ALF is similar to that of a p-n junction diode. It consists of an n-type and p-type layer separated by an oxide-free area. The cathode (K) and anode (A) terminals are respectively connected to the n-type and p-type layers. The outer layer of the CD214B-T11ALF is usually made of non-conductive plastic material.

Working Principle

When a transient voltage develops, a current spike passes through the CD214B-T11ALF and is directed towards the anode. This current then flows to the cathode, creating a short circuit between the anode and the cathode. This protects the circuit from the surge current. When the surge current is greater than the peak current rating of the CD214B-T11ALF, the diode quickly wears out and a permanent voltage potential forms between the anode and the cathode. As a result, the current is directed away from sensitive components and the voltage is stored until dissipated.

Application Field

The CD214B-T11ALF has a variety of applications. It can be used to protect low power data communication systems, cellular phone and digital camera circuits against ESD induced voltage transients. It can also be used to protect electrical equipment and machinery against lightning-induced voltage transients. The CD214B-T11ALF is also suitable for electro-mechanical switches, security systems, and appliances. In addition, the CD214B-T11ALF can be used to protect low power control and analog circuits from electrostatic discharges and fast transients. It can also be used to protect RF circuits from radiated and conducted transients.

Conclusion

In conclusion, the CD214B-T11ALF Transient Voltage Suppressor Diode is a general purpose diode designed to protect circuits against voltage spikes of up to 1.5V. It can be used to protect a variety of circuits from electrical overstress caused by ESD transients, RF transients, and lightning-induced transients. Thus, this diode is suitable for a wide range of applications.

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