5KP28CA-B

Voltage - Clamping (Max) @ Ipp:	45.4V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	112.3A
Series:	5KP
Voltage - Breakdown (Min):	31.1V
Voltage - Reverse Standoff (Typ):	28V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - DiodesTransient Voltage Suppressor (TVS) diodes are semiconductor devices mainly used for surge and spike protection. They come in many form factors ranging from small surface mount diodes up to larger components that feature integral heat-sinks for enhanced power dissipation. 5KP28CA-B is one such TVS diode used in a variety of applications and it comes with several benefits making it the right choice in terms of cost, flexibility, and durability.

Construction

The 5KP28CA-B TVS diode consists of a semiconductor material, typically silicon, combined with a Schottky metal, such as aluminum, to create a single structure. In the case of 5KP28CA-B the structure is composed of an 8 mm (5/16") glass-encapsulated surface-mount flat package. The flat package helps in achieving superior thermal impedance and is also suitable for automated assembly procedures.

Benefits

This particular TVS diode has a wide operating temperature range from -55C to +150C making it suitable for a range of industrial as well as automotive applications. In addition, its low reverse leakage current of 1µA at rated nominal voltage ensures a high level of protection against transient voltage and electrostatic discharge (ESD). Moreover, the 5KP28CA-B has a greater clamping capacity and faster response time compared to other diodes within the same package size.

Application Field

The 5KP28CA-B is mainly used as a transient voltage suppressor in various consumer electronic applications and automotive environments. The automotive environment often faces transient voltage and ESD threats due to the addition or removal of components or the presence of electrical noise in the environment. As such, the device is perfect for such a use as it can provide protection against these potentially damaging signals. Apart from automotive applications, this diode is also used in industrial applications in equipment such as motors, servo-motors, SCR controllers, and switching power supplies due to its capability as an effective surge protection device.

Working Principle

The working principle of the 5KP28CA-B is quite simple. It is a one port device with one terminal connected to ground while the other terminal is connected to the power line. When the power line is exposed to transient voltage or ESD, the diode triggers and acts like a clamp to absorb any increase in voltage. The energy stored in the device is then dissipated as heat, protecting the rest of the circuit from any potentially damaging impulses. The device is able to handle surges up to 5kA and can withstand an ESD strike of up to 30kV, making it a go-to choice for surge protection needs.

Conclusion

In conclusion, 5KP28CA-B is a reliable and powerful TVS diode with a wide operating temperature range and superior electrical performance making it a suitable choice for applications requiring surge and spike protection. Its 8mm package is perfect for both automotive and industrial applications due to its superior thermal performance and automated assembly procedures. Its low leakage current provides reliable protection from transient voltage and ESD and its greater clamping capacity makes it an ideal choice for applications requiring maximum surge protection.

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