M5KP40CA

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The M5KP40CA from Bourns is a 40 V unidirectional TVS device designed to protect sensitive electronic components from damage or latch up due to electrostatic discharge (ESD). This ESD protection device is constructed from two back-to-back silicon avalanche diodes in a case capable of handling up to 400 W peak pulse power.

As part of the UniSO-Set product family from Bourns, the M5KP40CA is designed for use in applications demanding ultra-low capacitance. It is capable of supporting data rates of up to 8 Gbps and provides excellent ESD protection. It is package in a 2mm × 2mm JEDEC MO-229 package.

Application Field

The M5KP40CA is suitable for ESD protection applications in medical, military/Aerospace, automotive, consumer electronics and telecom/datacom industries. Common applications include USB 3.0, USB 2.0, HDMI, DVI, Ethernet and Cellular base stations.

Working Principle

The M5KP40CA exhibits general two-terminal protection with low capacitance and low clamping voltage for ESD protection. It is designed to protect connected circuits from transients in accordance with IEC 61000-4-2, and its low-capacitance design makes it suitable for use in high-speed interfaces with data rates as high as 8 Gbps. It also includes an internal protection diode in series with the ESD protection diode to protect against any connection mistake such as reversed polarity.

The M5KP40CA offers fast response to pulses and has an extremely low let-through. It has an operating temperature range of -50°C to 125°C and is capable of handling up to 400 W peak pulse power. This device is suitable for use with both single-ended and differential signals, with a typical response time of 800 ps.

In a nutshell, the Bourns M5KP40CA TVS diode is an excellent choice for high-speed interface ESD protection. It offers low capacitance and a wide operating temperature range, making it ideal for use in a variety of applications. With its quiet, reliable and cost-effective design, the M5KP40CA is the perfect solution for your ESD protection needs.

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