Alternatives to onsemi 1.5KE15A
onsemi 1.5KE15A and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 1.5KE15Aonsemi |  1.5KE15ALittelfuse Inc. |  1.5KE15A-E3/54Vishay General Semiconductor - Diodes Division | +2more | |
|---|---|---|---|---|
| FFF Compatibility | Axial DO-201 package footprint is identical, featuring a 2-pin unidirectional configuration with a cathode color band.Matches the mechanical dimensions and through-hole mounting format of the original DO-27/DO-201AA package.Identical electrical specifications, including 1500W peak pulse power, 12.8V reverse standoff voltage (V_RWM), and 21.2V clamping voltage. | Axial DO-201 package footprint is identical, featuring a 2-pin unidirectional configuration with a cathode color band.Matches the physical body shape, lead diameter, and axial mounting spacing of the standard DO-27/DO-201AA package.Offers identical electrical protection capability with 1500W peak pulse power, 12.8V reverse standoff voltage (V_RWM), and 21.2V clamping voltage. | ||
 AI Summary | 1.5KE15A by onsemi: 21.2V Clamp 71A Ipp Tvs Diode Through Hole Axial. | The Littelfuse 1.5KE15A is a direct, active second-source replacement for the obsolete onsemi part, offering matching physical dimensions and identical transient voltage protection characteristics.
| The Vishay 1.5KE15A-E3/54 is an active, industry-standard alternative with the standard commercial packaging suffix, providing identical performance and package dimensions.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | 21.2V Clamp 71A Ipp Tvs Diode Through Hole Axial | 21.2V Clamp 71.7A Ipp Tvs Diode Through Hole DO-201 | 21.2V Clamp 70.8A Ipp Tvs Diode Through Hole 1.5KE | |
| Manufacturer | onsemi | Littelfuse Inc. | Vishay General Semiconductor - Diodes Division | |
| Type | Transient Voltage Suppressors (TVS) | Transient Voltage Suppressors (TVS) | Transient Voltage Suppressors (TVS) | |
| Datasheet | Open | Open | Open | |
| Lead Time | 32 weeks | 14 weeks | 16 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8541.10.0080 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Type | Zener | - | - | |
| Applications | General Purpose | - | - | |
| Mounting Type | Through Hole | - | - | |
| Package / Case | DO-201AD, Axial | - | - | |
| Power - Peak Pulse | 1500W (1.5kW) | - | - | |
| Operating Temperature | -65°C ~ 175°C (TJ) | - | - | |
| Power Line Protection | No | - | - | |
| Supplier Device Package | Axial | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 1.5KE540ALittelfuse | In stock | Active | 4Alternatives availableSee Alternatives |
 1.5KE43Aonsemi | In stock | Obsolete | 7Alternatives availableSee Alternatives |
 1.5KE62Aonsemi | Discontinued | Obsolete | 8Alternatives availableSee Alternatives |
 1.5KE33ASTMicroelectronics | In stock | Obsolete | 8Alternatives availableSee Alternatives |
| 1.5KE39ASTMicroelectronics | In stock | Obsolete | 4Alternatives availableSee Alternatives |
| 1.5KE220ASTMicroelectronics | In stock | Obsolete | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The onsemi 1.5KE15A 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 onsemi 1.5KE15A are the 1.5KE15A (Littelfuse Inc.) and the 1.5KE15A-E3/54 (Vishay General Semiconductor - Diodes Division), out of 4 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 1.5KE15A 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 1.5KE15A (onsemi) 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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