CZRUR52C11

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CZTUR52C11 is a special type of lightly doped Zener diodes (LZDs) made of silicon material. Constructed with a pair of lightly doped N-type and P-Type materials, it comes in a 2-pin per 2.5mm x 1.3mm SMA (DO-214AC) package. The device is designed for the use in low-voltage protection applications for consumer electronics, home appliances or automotive electronics, such as LCD display & TV protection.

CZTUR52C11 is ideal for protecting downstream components from high reverse power spikes and overvoltage transients. It offers excellent suppression of transients & ESD over a large operating temperature range, from -40°C to +125°C. The device provides a typical clamping voltage of 5.2V and an average clamping current of 40mA with a low VF of 0.55V. It also provides good EMI suppression up to 3A.

The working principle of CZRUR52C11 is based on the heavily doped N-type on the one side and lightly doped P-type on the other, which is responsible for creating a diode structure. When a reverse voltage is applied, the depletion region is formed which acts as a conductive path. With the increasing reversed voltage, the depletion region expands and an avalanche breakdown occurs, leading to a low voltage, high current flow that clamps the voltage. To ensure low VF and low leakage current the device is formed with junction-diffused technology.

CZRUR52C11 is specifically designed for low voltage protection, overvoltage and ESD protection applications. Such an application would include the protection of downstream components in electric, automotive and consumer electronics. It can also be used in electric charging systems, smart grids, power converters, LED lighting, and LED TVs. Additionally, it can be used to provide surge protection in set-top boxes, PCs and laptops.

The combination of high current clamping and low VF makes CZRUR52C11 an ideal choice for various kinds of protection application. Moreover, its small 2.5mm x 1.3mm SMA (DO-214AC) package offers a burning-free fit during assembly, which is extremely helpful in the process of PCBA and circuit design. Its excellent surge capability, ESD and temperature endurance make the device suitable for harsh environmental conditions, such as automotive and industrial.

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