1N4687 TR TIN/LEAD

Overview

The Central Semiconductor Corp 1N4687 TR TIN/LEAD is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 4.3 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +150°C. Packaged in the SOD-123 surface-mount format, it exhibits a reverse leakage current of 4 µA at 2 V and a forward voltage of 1.5 V at 100 mA.

Feature Summary

• Hermetically sealed glass construction ensures reliable performance in demanding environments.
• Surface-mount SOD-123 package facilitates automated assembly and compact circuit design.
• Wide operating temperature range supports functionality from -65°C to +150°C.

Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm lead-free status and packaging type. Confirm RoHS compliance details directly with the supplier. Ensure the selected variant matches the required SOD-123 footprint and thermal characteristics for the intended application environment.

Selection Notes

Select this component when a precise 4.3 V reference is required in a small surface-mount form factor. Consider the 500 mW power rating and ±5% voltage tolerance during circuit design. Evaluate the low leakage current specifications for high-impedance signal paths.

Part Context

This part belongs to the Central Semiconductor Zener diode portfolio, offering regulated voltage capabilities in standard semiconductor packages. The 1N4687 designation corresponds to a specific voltage rating within the series, providing a standardized solution for voltage stabilization tasks in electronic systems.

Replacement Considerations

The CMHZ4687 TR PBFREE is an identified equivalent part number for this component. Verify pinout compatibility and electrical parameter alignment before substitution.