1N3520A

Single Zener Diodes Overview

The Microchip Technology 1N3520A is a single Zener voltage regulator diode designed for through-hole mounting in the DO-35 axial leaded package. It provides a nominal Zener voltage of 16 V with a tolerance of ±5%. The device features a maximum DC power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. Electrical characteristics include a maximum Zener impedance of 14 Ohms and a forward voltage of 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via Zener breakdown mechanism
• Capable of operation across extended industrial temperature ranges
• Utilizes standard axial leaded package for reliable through-hole integration

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Biasing networks for semiconductor devices

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package integrity and lead straightness prior to assembly. Ensure storage conditions maintain moisture sensitivity levels appropriate for leaded components. Review latest product change notifications for any manufacturing site or material updates that may affect compliance status.

Single Zener Diodes Selection Notes

Select this component when a 16 V regulated reference is required in a compact axial package. Evaluate thermal management needs as power dissipation ratings depend on ambient temperature. Compare impedance values against circuit sensitivity requirements. Ensure the operating voltage range aligns with the specified Zener tolerance for accurate regulation performance.

Single Zener Diodes Part Context

This part belongs to the 1N35xx series of Zener diodes manufactured by Microchip Technology. The series offers various voltage options within the same physical footprint, facilitating design flexibility. These components are widely used in general-purpose electronics where reliable voltage clamping and referencing are essential for circuit stability.

Single Zener Diodes Replacement Considerations

Direct substitutes include the 1N4109, 1N5535B, and 1N5740B from Microchip Technology. Verify electrical parameters such as Zener voltage and power dissipation match before substitution. Ensure package compatibility and thermal characteristics align with existing board layout constraints.