MMSZ4709-HF

Single Zener Diodes Overview

The MMSZ4709-HF is a single Zener diode manufactured by Comchip Technology, designed for surface-mount applications. It features a nominal Zener voltage of 24 V with a tolerance of ±5%. The device operates within a power dissipation rating of 500 mW and is housed in an SOD-123-2 package. Electrical characteristics include a maximum reverse leakage current of 100 nA and a Zener impedance of 35 Ohms at a test current of 5 mA. The component supports an operating temperature range from -55°C to +150°C.

Single Zener Diodes Feature Summary

• Planar die construction for enhanced reliability
• Halogen-free compliant design
• Low-profile surface-mount packaging

Single Zener Diodes Applications

• Voltage regulation circuits
• Over-voltage protection systems
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific datasheet version for the MMSZ4709-HF to confirm RoHS3 compliance status and exact electrical limits before integration. Ensure that the SOD-123 footprint matches the target PCB layout dimensions. Cross-reference the manufacturer's part number against authorized distributor lists to avoid counterfeit components. Confirm thermal management requirements align with the 500 mW dissipation rating under expected operating conditions.

Single Zener Diodes Selection Notes

Select this component when a stable 24 V reference is required in space-constrained designs utilizing the SOD-123 form factor. The 500 mW power rating allows for moderate current handling compared to lower-power variants. Consider the ±5% voltage tolerance for precision requirements. The wide temperature range suitability makes it appropriate for industrial environments where thermal stability is critical for consistent Zener performance.

Single Zener Diodes Part Context

This part belongs to Comchip Technology's MMSZ series of Zener diodes, which are characterized by planar die construction and halogen-free materials. The series offers various voltage options within the SOD-123 package, providing a standardized solution for surface-mount voltage regulation needs across consumer and industrial electronics sectors.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 24 V Zener voltage, 500 mW power rating, and SOD-123 package. Verify compatibility with existing circuit parameters such as leakage current and impedance specifications.