CPDER24V Circuit Protection

Package / Case:	0503 (1308 Metric)
Supplier Device Package:	0503/SOD-723F
Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Bidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	24V
Voltage - Breakdown (Min):	25V
Voltage - Clamping (Max) @ Ipp:	47V
Current - Peak Pulse (10/1000µs):	1A (8/20µs)
Power - Peak Pulse:	47W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	10pF @ 1MHz
Operating Temperature:	--
Mounting Type:	Surface Mount

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What is TVS (Transient Voltage Suppressors)?

TVS or Transient Voltage Suppressors, also known as "transient voltage surge suppressors," are electronic components specifically designed to protect sensitive electronic components and circuits from voltage fluctuations, transients, and surges caused by power line spikes, voltage drops, and other similar threats. TVS devices are divided into two main categories; unidirectional and bidirectional. The main purpose of any TVS device is to shunt away large amounts of transient current to ground while protecting the bulk of the system from harm.

What is CPDER24V?

CPDER24V is a type of TVS (Transient Voltage Suppressor) technology from Coilcraft. It is specifically designed for use in 12 and 24 volt automotive, telecommunication, and industrial applications. CPDER24V is a bidirectional TVS device, meaning it has the ability to act as a shunt in both directions. This added protection feature helps protect connected components from both positive and negative voltage surges. CPDER24V is composed of two arrays of P-N junctions connected in series-opposition configuration.

CPDER24V Application Field and Working Principle

CPDER24V is a bidirectional TVS device used for protecting energy and communications systems against high-energy transients, such as Automotive loads dump, IEC61000-4-2 ESD, and telecom surges. It is specially designed for automotive, telecommunication, and industrial applications. It can be used in multiple configurations including diode array connected in series, load dump protection, ESD protection, voltage clamping, and surge protection.The working principle of CPDER24V is based on the voltage clamping effect. When the input voltage exceeds the breakdown voltage of the TVS the transient current will be shunted to the ground. The internal anti-parallel diodes of the TVS act as a dedicated circuitry to reset the suppression device overshoot protection when the surge voltage exceeds the breakdown voltage. The internal body diode will provide a protection to a single-polarity surge.CPDER24V Internally has both resistive and capacitive elements which help absorb the transient energy. The resistive element helps limit the rate of voltage rise, while the capacitive element minimizes the peak transient voltage. This unique combination of elements helps protect against even the toughest voltage transients.CPDER24V has a low capacitance which helps maintain signal integrity. The inductive element stores energy during the transient and helps reduce the transient voltage. The device also has a high surge capability which allows it to handle larger voltage transients than other TVS devices can handle. This high surge capability also protects against voltage drops during sudden changes in load or temperature.Finally, CPDER24V has short recovery time which allows the device to absorb transients quickly and efficiently. This ensures that the device will always be ready to respond to any surge or transient voltage.

Conclusion

CPDER24V Transient Voltage Suppressor is a bidirectional TVS device designed for use in 12 and 24 volt automotive, telecommunication, and industrial applications. Its main purpose is to protect sensitive electronic components and circuits from voltage fluctuations, transients, and surges caused by power line spikes, voltage drops, and other similar threats. CPDER24V has a unique combination of components which helps manage its transient energy, and its high surge capability allows it to be used in multiple configurations. Its low-capacitance helps maintain signal integrity while its short recovery time helps the device to absorb transients quickly and efficiently.

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