SMBJ26A
AVX
Needs validationhigh risk
SMBJ26A is a higher-power TVS option for redesigns, not a direct SMF15A replacement.
Best Alternatives to SMF15A
SMF15A is a 15V unidirectional 200W TVS in SOD-123FL. Supplied candidates do not prove a direct pin-compatible replacement.
AI replacement insight
Electrical riskhigh
VRWM and clamp shifts can reduce protection.
Package riskhigh
SMB parts are not SOD-123FL fits.
Firmware risklow
Passive TVS has no firmware.
Sourcing riskmedium
Some records show source conflicts.
Can it be replaced directly?
No direct replacement is verified from the supplied data.
Best replacement path
Search for SMF15A-class unidirectional 15V 200W TVS in SOD-123FL.
Main risk
Polarity, package, and protection voltage changes.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | SMF15A | SMBJ26A | SMBJ28A | SMBJ36A | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-123FL | DO-214AA SMB | SMB DO-214AA | SMB DO-214AA | DO-214AA SMB / SMB DO-214AA — not board fit; SMBJ28A: not board fit; SMBJ36A: not board fit |
| Pinout | 2 pins | 2 pins | 2 pins | 2 pins | 2 pins — pin function unverified; SMBJ28A: pin function unverified; SMBJ36A: pin function unverified |
| Voltage | 15V VRWM | 26V VRWM | 28V VRWM | 36V VRWM | 26V VRWM / 28V VRWM / 36V VRWM — higher protect point; SMBJ28A: higher clamp region; SMBJ36A: much higher |
| Power | 200W | 600W | 600W | 600W | 600W — higher pulse power; SMBJ28A: higher rating; SMBJ36A: higher pulse power |
| Lifecycle | Active | -/Active | - | Active | -/Active — source conflict; SMBJ36A: catalog active |
| Current | 8.2A | - | 13.2A | - | 13.2A — higher Ipp |
Application & sourcing insights
Questions & answers
No supplied part is a verified direct alternative. Look for a 15V unidirectional 200W TVS in SOD-123FL.