Alternatives to Diodes Incorporated SMCJ48A
Diodes Incorporated SMCJ48A and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 SMCJ48ADiodes Incorporated |  SMCJ48ALittelfuse Inc. | SMCJ48ABourns Inc. | +3more | |
|---|---|---|---|---|
| FFF Compatibility | Uses the identical standard DO-214AB (SMC) surface-mount footprint with standard two-terminal unidirectional polarity.Shares the exact same industry-standard package dimensions and physical outline.Matches all critical electrical performance parameters including 1500W peak pulse power, 48V reverse standoff voltage, 53.3V minimum breakdown voltage, and 77.4V maximum clamping voltage. | Fits on the same standard DO-214AB (SMC) pad layout with identical cathode band polarization.Matches the standard height, width, and lead dimensions of the SMC package.Fully matches the 48V standoff, 53.3V minimum breakdown, and 19.4A peak current specifications. | ||
 AI Summary | SMCJ48A by Diodes Incorporated: 77.4V Clamp 19.4A Ipp TVS Diode, DO-214AB (SMC). | This is a high-confidence direct industry-standard replacement from Littelfuse, offering identical electrical and physical characteristics in the active lifecycle phase.
| Bourns offers this identical drop-in alternative under the same base part number, providing excellent surge protection performance and active availability.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | Unknown | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | 77.4V Clamp 19.4A Ipp Tvs Diode Surface Mount DO-214AB (SMC) | 77.4V Clamp 19.4A Ipp Tvs Diode Surface Mount DO-214AB (SMCJ) | 77.4V Clamp 19.4A Ipp Tvs Diode Surface Mount DO-214AB (SMC) | |
| Manufacturer | Diodes Incorporated | Littelfuse Inc. | Bourns Inc. | |
| Type | Transient Voltage Suppressors (TVS) | Transient Voltage Suppressors (TVS) | Transient Voltage Suppressors (TVS) | |
| Datasheet | Open | Open | Open | |
| Lead Time | Unknown | 34 weeks | 17 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | - | - | - | |
| Moisture Sensitivity Level | - | - | - |
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Frequently asked questions
Yes. The Diodes Incorporated SMCJ48A 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 SMCJ48A are the SMCJ48A (Littelfuse Inc.) and the SMCJ48A (Bourns Inc.), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Yes. The leading alternatives to the SMCJ48A are fit-, form- and function-compatible — the same package and pinout with matching key electrical specifications — so they drop in without PCB changes. Always confirm the parameters critical to your design against the alternative's datasheet before committing.
The SMCJ48A (Diodes Incorporated) is a part in the Transient Voltage Suppressors (TVS) category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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