Is there a pin-compatible replacement for SMF6.5CA?

Yes, several manufacturers produce the SMF6.5CA in the same SOD-123FL package. These are expected to be pin-compatible, making them candidates for drop-in replacement after verifying the land pattern.

What risks should I check before replacing SMF6.5CA?

Before replacing, confirm the polarity is bidirectional. Also, verify the package dimensions and PCB land pattern, as minor variations can exist between manufacturers for the same package type.

SMF6.5CA Alternatives, Datasheet & Cross Reference | TWGMC

Finding a replacement for the SMF6.5CA TVS diode involves matching its 6.5V standoff voltage, 200W power rating, and SOD-123FL package. Several manufacturers offer pin-compatible parts, but verifying electrical parameters is crucial.

AI replacement insight

Electrical risklow

Key parameters match across vendors for the same part number.

Package risklow

SOD-123FL is a standard package, but land pattern verification is always recommended.

Sourcing risklow

This is a multi-sourced component, improving availability.

Can it be replaced directly?

Yes, SMF6.5CA is a standard part number offered by multiple vendors. The MDD SMF6.5CA is a strong candidate for direct replacement.

Best replacement path

Use a cross-vendor SMF6.5CA from a reputable manufacturer like MDD or Littelfuse after verifying land pattern compatibility.

Main risk

Minor variations in package dimensions or subtle electrical differences between manufacturers.

Recommended alternatives

A strong cross-vendor alternative from MDD with matching package and key electrical specifications.

View details

Alternative comparison matrix

Feature / factor	SMF6.5CA	SMF6.5CA	SMF7.0CA	Compatibility / risk
Package	SOD-123FL	SOD-123FL (SMF)	SOD-123FL	SOD-123FL (SMF) — Package is form-fit compatible.; SMF7.0CA: Package is form-fit compatible.
Polarity Or Type	Bidirectional (inferred)	Bidirectional	-	Bidirectional — Target polarity inferred from 'CA' suffix.
Voltage V	6.5V	6.5V	7.0V	6.5V / 7.0V — Standoff voltage matches.; SMF7.0CA: Higher standoff voltage may alter protection level.
Current A	17.9A	17.9A	16.7A	17.9A / 16.7A — Peak pulse current matches.; SMF7.0CA: Lower peak current rating reduces surge capacity.
Power W	200W	200W	200W	200W — Peak pulse power matches.; SMF7.0CA: Peak pulse power matches.

Application & sourcing insights

Questions & answers

The best alternative is another SMF6.5CA from a different manufacturer, such as MDD or Littelfuse, as it offers matching key specifications and package. This is considered a cross-vendor replacement.