CDLL250

Current Regulation - Diodes, Transistors Overview

The CDLL250 is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It utilizes the DO-213AA-2 surface-mount package, also known as SOD-80C, with physical dimensions of approximately 1.7 mm in diameter and 3.7 mm in length. The device features a nominal Zener voltage of 4.7 V with a tolerance of 5%. It operates within a temperature range of -65°C to +175°C and has a power dissipation rating of 500 mW. Key electrical parameters include a maximum reverse leakage current of 5 µA at the rated voltage, a Zener impedance of 15 Ohms, and a test current of 5 mA. The forward voltage is typically 1.1 V at a forward current of 200 mA.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable voltage reference capabilities in compact surface-mount packaging.
• Operates reliably across an extended industrial temperature range up to 175°C.
• Features low leakage current characteristics suitable for precision circuits.

Current Regulation - Diodes, Transistors Applications

• Voltage regulation in portable electronic devices
• Clamping and protection circuits in signal processing
• Reference voltage sources in measurement instrumentation

Current Regulation - Diodes, Transistors Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified suppliers. Request original manufacturer datasheets and certificates of conformity to ensure compliance with specified electrical tolerances and RoHS status. Confirm package integrity and marking legibility upon receipt to prevent counterfeit infiltration.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a 4.7 V reference is required in space-constrained designs. Ensure the circuit design accommodates the 500 mW power dissipation limit and the specific Zener impedance of 15 Ohms. Verify that the operating temperature range aligns with the system's environmental requirements.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the CDLL series of small-signal Zener diodes from Microchip Technology. These components are engineered for high-reliability applications requiring precise voltage regulation in miniature form factors. The series supports various voltage values within the DO-213AA-2 package standard.

Current Regulation - Diodes, Transistors Replacement Considerations

Cross-reference with other manufacturers offering DO-213AA-2 packaged Zener diodes with 4.7 V nominal voltage and similar impedance characteristics. Verify pinout compatibility and thermal performance metrics before substitution.