TP5KP48CA

Voltage - Clamping (Max) @ Ipp:	77.4V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	65.9A
Series:	Automotive, AEC-Q101, TP5KP
Voltage - Breakdown (Min):	53.3V
Voltage - Reverse Standoff (Typ):	48V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to TP5KP48CA

The TP5KP48CA is a series of Transient Voltage Suppression (TVS) Diodes manufactured by Vishay Intertechnology, Inc. The devices are designed for use in portable consumer electronics, designed to protect components from voltage spikes which may have negative impacts on system performance.The TP5KP48CA series is a low capacitance unidirectional diode that provides reliable surge protection in a wide variety of applications. The devices feature an ESD rating of greater than 15kV, an operating temperature range of +85°C to -75°C, and an insulation voltage rating of 5kV. The series also offers a low capacitance of only 3pF, making it an ideal choice for high speed signal applications. The devices also feature an IEC61439-2 rated surge current of up to 5A (8/20μs) to provide additional protection against over-voltage events.

Terminal Layout

The TP5KP48CA is a single diode package design featuring a compact footprint, designed to minimize board space. The device features a series configuration with the anode connected to the center pin, followed by the two cathode pins on either side. A plastic body with a metal flange is used to ensure a secure connection on both sides of the package. The devices also include a notch on the bottom of the package to indicate the anode.

TVS Application Field and Working Principle

Transient Voltage Suppression (TVS) diodes provide reliable surge protection in a wide range of applications, from consumer electronics to industrial systems. The primary function of a TVS device is to quickly conduct and dissipate unwanted high-voltage transients caused by lightning and other phenomena, limiting the voltage applied to downstream components while protecting the system operation. An ideal TVS diode will have a very low forward voltage drop and a high peak pulse current rating, in order to quickly conduct the surge current when triggered. The device must also have a low zener voltage, enabling it to conduct low-energy pulses which may not be high enough to trigger a traditional zener diode. The working principle of a TVS diode can be broken down into four distinct steps:1. When the voltage across the device exceeds its breakdown voltage, the diode will quickly become conductive.2. Once the diode is conducting, the current will flow through it and begin to charge the parasitic capacitance associated with the device.3. As the voltage charge builds up, the current is limited by the dynamic resistance of the diode, allowing the voltage across the device to rise more slowly than the incoming pulse.4. Once the voltage reaches its peak value, the parasitic capacitance will begin to discharge, bringing the current and voltage back to their original levels.

Conclusion

The TP5KP48CA series of Transient Voltage Suppression (TVS) diodes manufactured by Vishay Intertechnology are designed to protect component from transient voltage spikes which may have an adverse impact on system performance. The devices feature a low capacitance of only 3pF, making it an ideal choice for high speed signal applications, and an IEC61439-2 rated surge current of up to 5A (8/20μs) for additional protection. In summary, these devices are an excellent choice for providing reliable surge protection in a wide variety of applications.

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