Is there a pin-compatible replacement for LMBR1200FT1G?

Currently, no pin-compatible replacements have been identified. All reviewed candidates have different package footprints (e.g., SMA, SMB, SMC) which are not compatible with the target's SOD123FL layout.

What risks should I check before replacing LMBR1200FT1G?

The primary risk is the package mismatch; ensure the substitute's footprint (e.g., SMAF, SMB) fits your PCB layout. Also, verify key electrical parameters like forward voltage (Vf) to avoid increased power loss, and reverse voltage (VRRM) and forward current (IF) to ensure they meet or exceed the original's ratings.

LMBR1200FT1G Alternatives, Datasheet & Cross Reference | LRC

LMBR1200FT1G is a 200V, 1A Schottky rectifier in a compact SOD123FL package. Finding a direct replacement requires matching both the electrical specifications and the small surface-mount footprint.

AI replacement insight

Package riskhigh

All candidates have different packages (SMAF, SMB) than the target's SOD123FL, requiring a PCB redesign.

Electrical risklow

Candidates like SS2200B are electrically very similar (Schottky, 200V, similar Vf), minimizing electrical design changes.

Can it be replaced directly?

No direct, drop-in replacement has been identified due to package mismatches with all candidates.

Best replacement path

Functional alternatives like SS2200B exist with similar electricals but require a PCB layout change.

Main risk

Package incompatibility is the main risk, requiring a board redesign for any of the suggested functional alternatives.

Recommended alternatives

Strong functional alternative with closely matched electricals, but in a different package requiring board redesign.

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Alternative comparison matrix

Feature / factor	LMBR1200FT1G	SS2200B	SS220F	Compatibility / risk
Package	SOD123FL	DO-214AA (SMB)	SMAF	DO-214AA (SMB) / SMAF — Not a drop-in replacement; requires board layout change.; SS220F: Not a drop-in replacement; requires board layout change.
Voltage	0.92V (Vf)	0.95V @ 2A	Unknown	0.95V @ 2A / Unknown — Slightly higher Vf, check power dissipation.; SS220F: Must verify Vf from datasheet to assess power loss.
Current	1.0A	2.0A	2.0A	2.0A — Higher current rating provides more margin.; SS220F: Higher current rating provides more margin.
Application	Schottky	-	Schottky	Schottky — Diode type is the same.

Application & sourcing insights

Questions & answers

Finding a direct drop-in replacement is difficult. Parts like SS2200B offer very similar electrical performance but come in a different package (SMB), requiring a board redesign. Always verify package compatibility first.