MMSZ5248AS-AU_R1_000A1

Single Zener Diodes Overview

The MMSZ5248AS-AU_R1_000A1 is a Zener diode manufactured by Panjit International Inc. It features an 18 V Zener voltage and operates in a single configuration within the SOD-123-2 surface-mount package. The device supports a power dissipation of 500 mW with a maximum reverse leakage current of 100 nA. It exhibits a Zener impedance of 21 Ohms at a test current of 7 mA. The component is qualified under AEC-Q101 standards, ensuring reliability for automotive applications across a temperature range from -55 C to +150 C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics in a compact SMD form factor.
• Engineered for high-reliability environments through AEC-Q101 automotive qualification certification.
• Designed for efficient thermal management with a 500 mW power dissipation rating.

Single Zener Diodes Applications

• Voltage reference circuits in automotive electronic control units.
• Over-voltage protection stages in vehicle power distribution systems.
• Clamping applications in automotive sensor signal conditioning.

Single Zener Diodes Procurement Notes

Verify the specific suffix 'S' against official Panjit documentation to confirm if it denotes a distinct tape-and-reel packaging variant or marking code compared to standard versions. Confirm that the AEC-Q101 qualification status remains active for this specific manufacturing lot. Ensure the SOD-123-2 footprint matches the target PCB design constraints before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when an 18 V regulation point is required in space-constrained automotive designs. The SOD-123-2 package offers a balance between power handling and board area efficiency. Consider the 21 Ohm impedance value for noise-sensitive applications where tighter regulation may be necessary compared to higher impedance alternatives.

Single Zener Diodes Part Context

This part belongs to the MMSZ5248 series of Zener diodes produced by Panjit. The series is designed for general-purpose voltage regulation and protection tasks. The specific model integrates automotive-grade reliability requirements into a standard small-signal diode footprint, aligning with industry trends for miniaturized power electronics.

Single Zener Diodes Replacement Considerations

Cross-reference with other 18 V Zener diodes in the SOD-123 package from Panjit or other manufacturers. Verify pinout compatibility and ensure equivalent Zener voltage tolerance and power ratings are maintained to guarantee circuit functionality without redesign.