CD5519

Single Zener Diodes Overview

The CD5519 is a Zener diode manufactured by Microchip Technology, classified under the Diodes & Rectifiers subcategory. It functions as a voltage regulator with a nominal Zener voltage of 19 V and a voltage tolerance of 10%. The device operates in a surface-mount DO-213AA-2 package (PD-5) with a power dissipation rating of 500 mW. Electrical characteristics include a maximum reverse leakage current of 10 nA and a Zener impedance of 100 ohms at a test current of 1 mA. The component supports an operating temperature range from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within specified tolerance limits for circuit protection applications.
• Engineered for high-temperature reliability with an extended operational range up to 175 °C.
• Utilizes a compact surface-mount package design suitable for automated assembly processes.

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Overvoltage protection systems
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify availability status directly with authorized distributors or the manufacturer, as supply conditions may vary. Confirm that the specific package type and electrical parameters align with design requirements before procurement. Ensure compliance with relevant environmental standards such as RoHS if applicable to the target market. Review official documentation for any product change notifications or lifecycle updates prior to finalizing orders.

Single Zener Diodes Selection Notes

Select this component based on its 19 V Zener voltage specification and 500 mW power dissipation capability. Consider the DO-213AA-2 package dimensions for PCB layout constraints. Evaluate the 100 ohm Zener impedance and low leakage current against circuit sensitivity requirements. Verify compatibility with the intended operating temperature range extending to 175 °C for robust performance in demanding environments.

Single Zener Diodes Part Context

The CD5519 belongs to the Zener Diodes product line offered by Microchip Technology. It falls under the broader category of discrete semiconductor devices used for voltage control and signal conditioning. This specific part number represents a single configuration variant within the manufacturer's portfolio of voltage regulators designed for general-purpose electronic applications.

Single Zener Diodes Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Cross-reference specifications including Zener voltage, power dissipation, package type, and temperature range when evaluating alternatives. Ensure any replacement maintains equivalent electrical performance and physical footprint for direct integration without circuit redesign.

Single Zener Diodes FAQ

What is the maximum operating temperature for the CD5519?

The CD5519 supports a maximum operating temperature of +175 °C.

What package does the CD5519 use?

The CD5519 is available in the DO-213AA-2 surface-mount package.