HZU4.3B3TRF-E

Single Zener Diodes Overview

The HZU4.3B3TRF-E is a single-channel Zener diode manufactured by Renesas Electronics Corporation, designed for surface-mount applications. It features a nominal Zener voltage of 4.3V and a maximum power dissipation of 200 mW. The component utilizes the URP package with two pins and measures 1.4 x 1.85 x 1.05 mm. Key electrical specifications include a test current of 5 mA, a maximum Zener impedance of 100 Ω, and a maximum reverse leakage current of 120 µA. The typical voltage temperature coefficient is 0.09%/°C, and the maximum operating temperature reaches +150 °C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation through single-channel Zener diode configuration.

Single Zener Diodes Applications

• Voltage reference circuits

Single Zener Diodes Procurement Notes

Verify the specific suffix 'B3' against official Renesas documentation to confirm exact binning or tolerance variations. Ensure the URP package dimensions align with PCB footprint requirements. Confirm that the 200 mW power rating suits the thermal design of the target application. Cross-reference the part number with authorized distributors to ensure authenticity and traceability.

Single Zener Diodes Selection Notes

Select this component when a precise 4.3V reference is required in space-constrained designs. The low profile URP package facilitates high-density mounting. Consider the 0.09%/°C temperature coefficient for stability needs. Evaluate the 120 µA leakage current against circuit sensitivity requirements. Ensure the operating environment stays within the +150 °C limit.

Single Zener Diodes Part Context

This device belongs to Renesas' series of small-signal Zener diodes optimized for portable electronics. The URP package offers a compact form factor suitable for modern surface-mount technology lines. These components are engineered for reliability in consumer and industrial applications requiring stable voltage references.