Alternatives to Diodes Incorporated SMAJ30A
Diodes Incorporated SMAJ30A and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for Diodes Incorporated SMAJ30A
 SMAJ30ADiodes Incorporated |  SMAJ30A-13-FDiodes Incorporated |  SMAJ30ABourns Inc. | +3more | |
|---|---|---|---|---|
| FFF Compatibility | Same 2-pin DO-214AC (SMA) surface-mount package with identical anode/cathode pin layout.Identical package dimensions and physical footprint.Identical electrical ratings, including 400W peak power, 30V reverse standoff voltage, 33.3V breakdown voltage, and 48.4V maximum clamping voltage. | Same 2-pin DO-214AC (SMA) package with identical cathode band alignment.Standard SMA package dimensions with identical PCB land pattern requirements.Identical electrical parameters: 30V standoff voltage, 33.3V breakdown voltage, 48.4V clamp voltage, and 400W peak power. | ||
 AI Summary | SMAJ30A by Diodes Incorporated: ESD Protection Diodes / TVS Diodes. | This is the direct, active replacement from the original manufacturer (Diodes Incorporated) with modern RoHS compliance. It features identical physical dimensions and electrical performance, serving as a perfect drop-in replacement.
| This is a highly reliable second-source alternative from Bourns. It is an active part that matches the original specifications and physical package perfectly.
| |
| Lifecycle Status | Obsolete | Active | Unknown | |
| Market Availability | Discontinued | In stock | Unknown | |
| REACH | Unknown | REACH | Unknown | |
| RoHS | Unknown | RoHS | Unknown | |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
| SMAJ130CADiodes Incorporated | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 SMBJ30ADiodes Incorporated | Discontinued | Obsolete | 7Alternatives availableSee Alternatives |
| SMAJ33ADiodes Incorporated | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
| SMBJ30CADiodes Incorporated | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 SMCJ5.0ALittelfuse | In stock | Obsolete | 6Alternatives availableSee Alternatives |
 SMCJ36ADiodes Incorporated | Discontinued | Obsolete | 6Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Diodes Incorporated SMAJ30A is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Diodes Incorporated SMAJ30A are the SMAJ30A-13-F (Diodes Incorporated) and the SMAJ30A (Bourns Inc.), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the SMAJ30A are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The SMAJ30A (Diodes Incorporated) is a part in the ESD Protection Diodes / TVS Diodes category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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