1N5081SM

Single Zener Diodes Overview

The 1N5081SM is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications. It features a nominal Zener voltage of 40 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 3 W. It is housed in an SQ-MELF (A) package, which provides a compact form factor suitable for automated assembly processes. This component functions as a voltage regulator within electronic circuits.

Single Zener Diodes Feature Summary

• Surface-mount construction utilizing the SQ-MELF package format
• Designed for stable voltage regulation at specified nominal levels
• Capable of handling high-power dissipation requirements

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• High-power motor control cabinets
• General-purpose Zener diode protection applications

Single Zener Diodes Procurement Notes

Verify the manufacturer designation matches Microchip Technology or its acquired entities such as Micrel. Confirm the package type is SQ-MELF and the suffix SM indicates surface mount configuration. Ensure RoHS compliance status aligns with project requirements. Cross-reference the part number against official distributor datasheets to confirm the 40 V rating and 3 W power dissipation specifications before procurement.

Single Zener Diodes Selection Notes

Select this component when a surface-mount Zener diode with a 40 V breakdown voltage is required. The 3 W power rating distinguishes it from lower-power variants. The SQ-MELF package offers specific thermal and mechanical characteristics compared to axial leads. Verify that the ±5% tolerance meets the circuit's precision requirements. Consider the operating temperature range defined in the official datasheet for environmental compatibility.

Single Zener Diodes Part Context

This component belongs to the family of single Zener diodes produced by Microchip Technology. The 1N5081 series typically includes both through-hole and surface-mount versions. The SM suffix specifically denotes the surface-mount variant. These devices are commonly used in industrial and consumer electronics where reliable voltage clamping is necessary.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 40 V Zener voltage, 3 W power rating, and SQ-MELF package. Check equivalent parts from other manufacturers offering identical electrical parameters and pinout configurations. Verify thermal resistance values if heat dissipation is critical.