1N5242A

Single Zener Diodes Overview

The Microchip Technology 1N5242A is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 12 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. Key electrical parameters include a maximum reverse leakage current of 1 µA at 9.1 V, a forward voltage of 1.1 V at 200 mA, and a maximum Zener impedance of 30 Ohms.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 12 V breakdown voltage.
• Capable of handling up to 500 mW of power dissipation.
• Operates reliably across an extended industrial temperature range.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clipping and clamping applications

Single Zener Diodes Procurement Notes

Verify the specific package type and tolerance variant required for the design, as the base part number may correspond to different physical packages or manufacturing lots. Confirm compliance requirements such as RoHS status and moisture sensitivity level (MSL) against the specific datasheet revision before procurement. Ensure the supplier provides official documentation matching the requested specifications.

Single Zener Diodes Selection Notes

Select this component when a standard 12 V regulation point is needed with moderate power handling capabilities. Consider the ±5% tolerance for precision requirements. Evaluate the thermal management needs given the 500 mW limit. Compare against surface mount alternatives if board space is constrained, noting that package variations exist within the product family.

Single Zener Diodes Part Context

This component belongs to the standard Zener diode category from Microchip Technology. It is commonly used in discrete semiconductor designs requiring reliable voltage referencing. The part is often selected for its established performance characteristics and wide operating temperature range suitable for various electronic systems.