ZM4737A L0G

Single Zener Diodes Overview

The ZM4737A L0G is a small signal Zener diode manufactured by Taiwan Semiconductor. It features a nominal reference voltage of 7.5 V with a maximum voltage tolerance of 5%. The device operates in the through-hole or surface-mount MELF package configuration, specifically DO-213AB (SMA), and provides a power dissipation rating of 1 W at 25°C ambient temperature. Key electrical characteristics include a test current of 34 mA, a maximum dynamic impedance of 4 Ohms, and a maximum reverse leakage current of 10 uA. The component supports an operating junction temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Glass passivated junction for enhanced stability
• High temperature soldering capability guaranteed
• Low zener impedance for improved regulation

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific suffix 'L0G' against the manufacturer's official datasheet to confirm exact packaging and marking details. Ensure the MELF package variant matches the intended PCB footprint. Confirm RoHS compliance status directly with the supplier documentation prior to procurement.

Single Zener Diodes Selection Notes

Select this component when a 7.5 V reference with low dynamic impedance is required in a compact MELF package. Consider the 1 W power dissipation limit and the extended temperature range up to 175°C for high-reliability designs. Verify that the 5% tolerance meets the circuit requirements.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode family designed for general-purpose voltage regulation. It utilizes silicon planar technology within a glass-passivated MELF case. The series offers consistent performance across various industrial and commercial applications requiring stable voltage references.

Single Zener Diodes Replacement Considerations

Equivalent parts include 1N4737A variants from other manufacturers such as Vishay or Lite-On, provided they match the 7.5 V, 1 W, and MELF/DO-213AB specifications.