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Best Alternatives to LBZT52C4V7T1G

Package: SOD-123LRCDiodes - Zener - SingleNominal Zener Voltage (Vz): 4.7 VPower Dissipation: 500 mWForward Voltage (Vf): 0.9 V @ 10 mAZener Impedance (Zzt): 80 Ohm @ 5 mAReverse Current (Ir): 3.0 uA @ 2.0 V

Finding a replacement for the LBZT52C4V7T1G, a 4.7V 500mW Zener diode, involves matching the SOD-123 package and key electricals. Several alternatives exist with varying degrees of compatibility.

AI replacement insight

Electrical risklow

Strong candidates match key electricals. Minor differences in leakage or impedance should be reviewed.

Package risklow

Candidates with matching SOD-123 packages are physically compatible.

Sourcing risklow

Proposed alternatives are from major manufacturers, but stock should be verified with distributors.

Can it be replaced directly?

Direct replacement for LBZT52C4V7T1G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

MMSZ5230BT1G from onsemi is the most direct replacement path, matching all critical parameters.

Main risk

The primary risk when substituting is ensuring the candidate's Zener voltage and dynamic characteristics meet the application's needs.

Recommended alternatives

2
MMSZ5230BT1G package
MMSZ5230BT1G

onsemi

Needs validationlow risk

A strong alternative with matching Zener voltage (4.7V), power (500mW), and package (SOD-123), plus lower Zener impedance.

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Alternative comparison matrix

Feature / factorLBZT52C4V7T1GMMSZ5230BT1GMMSZ5231A_R1_00001Alt 3Compatibility / risk
Voltage4.7V4.7V5.1V4.7V / 5.1V — Nominal Zener voltage matches.; MMSZ5231A_R1_00001: Zener voltage is higher than target.
PackageSOD-123SOD-123SOD-123SOD-123 — Package is form-factor compatible.; MMSZ5231A_R1_00001: Package is form-factor compatible.
Power500mW500mW500mW500mW — Power dissipation matches.; MMSZ5231A_R1_00001: Power dissipation matches.
Impedance80 Ohm19 Ohm17 Ohm19 Ohm / 17 Ohm — Lower impedance provides tighter regulation.; MMSZ5231A_R1_00001: Lower impedance provides tighter regulation.
Current3uA5uA-5uA — Slightly higher reverse leakage current.

Application & sourcing insights

Questions & answers

Verified drop-in options for LBZT52C4V7T1G are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.