CDLL4757

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The CDLL4757 is a single Zener diode designed for precision voltage regulation and protection in a single package. It offers a reverse voltage of 5.1V, a Zener impedance of 7.9 ohms, a peak forward surge current of 21mA, and a maximum reverse current of 5uA. The device features a low leakage current, excellent junction capacitance and tight tolerance on Zener voltage. It can be used in a variety of applications, such as over-voltage protection, voltage reference, shunt regulator, and voltage limiting.

The CDLL4757\'s precison voltage regulation is its most prominent feature. It is designed to operate within a specified range of input voltages and current values, while automatically maintaining a steady output voltage. The Zener impedance ensures a predictable and consistent voltage regulation. The peak forward surge current can safely manage high transient currents, while the low reverse current prevents damage from reverse biasing the device. The device is also designed to reduce dissipation when presented with an over-voltage condition, allowing for continued operation in a voltage range that is safe for the device.

The CDLL4757 also provides excellent junction capacitance for noise protection, with a small junction capacitance of only 0.51pF at 5V reverse bias. This provides enhanced immunity to high frequency noise and ensures a clean power supply. The tight tolerance on the Zener voltage ensures accurate voltage regulation and repeatable performance. Additionally, the device can be used as a shunt regulator in DC/DC converters and power supply designs.

The CDLL4757 can also be used as an over-voltage protection device. The device can protect sensitive components in a circuit from over-voltage conditions by providing an effective Zener clamping mechanism. The device also provides a reliable protection against transients in both the forward and reverse directions. The device can also be used as a voltage reference to ensure accurate voltage levels and a stable power supply.

In summary, the CDLL4757 is a versatile, reliable, and cost-effective single Zener diode designed for precision voltage regulation and protection. It offers a wide range of features and benefits, including high-precision voltage regulation, excellent junction capacitance for noise protection, tight tolerance on Zener voltage and a low leakage current. The device can be used in applications such as over-voltage protection, voltage reference, shunt regulator and voltage limiting.

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