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Best Alternatives to 1SMA5927BT3G

Package: DO-214AC, SMAonsemiDiodes - Zener - SinglePackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - Zener (Nom) (Vz): 12 VTolerance: ±5%Current - Reverse Leakage @ Vr: 500 nA @ 9.1 VVoltage - Forward (Vf) (Max) @ If: 1.5 V @ 200 mA

The onsemi 1SMA5927BT3G is a 12V, 1.5W Zener diode in a compact SMA package. When seeking alternatives, key considerations are Zener voltage, power rating, and physical package compatibility, as no direct drop-in replacements are readily available.

AI replacement insight

Electrical riskhigh

Same-package alternatives have different Zener voltages.

Package riskhigh

Same-voltage alternative has a larger, incompatible package.

Sourcing risklow

Target and alternatives are from a major manufacturer.

Can it be replaced directly?

No direct, drop-in replacement for the 1SMA5927BT3G has been identified. All potential candidates require either electrical or mechanical design review.

Best replacement path

For electrical compatibility, 1SMB5927BT3G is best but requires a new PCB layout. For physical compatibility, parts like 1SMA5930BT3G fit but require circuit redesign for a different voltage.

Main risk

The primary risk is a mismatch in either Zener voltage or physical package, preventing a simple drop-in replacement.

Recommended alternatives

3
1SMA5930BT3G package
1SMA5930BT3G

onsemi

Needs validationmedium risk

Functional alternative in the same package and power rating, but with a different Zener voltage of 16V.

View details

Alternative comparison matrix

Feature / factor1SMA5927BT3G1SMA5930BT3G1SMB5927BT3G1SMA5931BT3GCompatibility / risk
PackageSMA (DO-214AC)SMA (DO-214AC)SMB (DO-214AA)SMA (DO-214AC)SMA (DO-214AC) / SMB (DO-214AA) — Form factor matches.; 1SMB5927BT3G: Larger package, not a drop-in.; 1SMA5931BT3G: Form factor matches.
Voltage12.0V16.0V12.0V18.0V16.0V / 12.0V / 18.0V — Higher Zener voltage.; 1SMB5927BT3G: Zener voltage matches.; 1SMA5931BT3G: Higher Zener voltage.
Power1.5W1.5W3.0W1.5W1.5W / 3.0W — Power rating matches.; 1SMB5927BT3G: Higher power rating is an upgrade.; 1SMA5931BT3G: Power rating matches.
Manufactureronsemionsemi--onsemi — Same manufacturer family.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. The best functional alternative is 1SMB5927BT3G, which has the same 12V rating but requires a PCB layout change due to its larger SMB package. Other options in the same package have different voltages.