Alternatives to onsemi MC78M05CDT
onsemi MC78M05CDT and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 MC78M05CDTonsemi | MC78M05CDTGonsemi | MC78M05CDTRKGonsemi | +4more | |
|---|---|---|---|---|
| FFF Compatibility | The package is an identical DPAK (TO-252-3) surface-mount housing with a fully matching pinout assignment and thermal tab connection.The physical dimensions, lead pitch, and mounting requirements are identical to the original MC78M05CDT.All critical electrical parameters, including the 35V maximum input voltage, 5V fixed output, and 500mA maximum current, match or exceed the original part's specifications. | The package is an identical DPAK (TO-252-3) footprint with fully matching pin assignments and Ground connected to the heatsink tab.The package outline and surface-mount dimensions are physically identical to the original device.All electrical characteristics are identical to the original part, including a 35V maximum input rating and 500mA output. | ||
 AI Summary | MC78M05CDT by onsemi: Linear Voltage Regulator IC Positive Fixed 1 Output 500mA DPAK. | This is the official Pb-free, RoHS-compliant direct replacement from onsemi, making it the most seamless transition for active designs. It matches the original part's physical footprint, thermal performance, and electrical limits perfectly.
| This is the active Tape & Reel packaging version of the standard Pb-free replacement (MC78M05CDTG). It is electrically and physically identical to the original part, optimized for automated pick-and-place assembly.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | Discontinued | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Linear Voltage Regulator IC Positive Fixed 1 Output 500mA DPAK | Linear Voltage Regulator IC Positive Fixed 1 Output 500mA DPAK | Linear Voltage Regulator IC Positive Fixed 1 Output 500mA DPAK | |
| Manufacturer | onsemi | onsemi | onsemi | |
| Type | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) | |
| Datasheet | Open | Open | Open | |
| Lead Time | Unknown | 8 weeks | 13 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0090 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| PSRR | 80dB (120Hz) | - | - | |
| Output Type | Fixed | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 | - | - | |
| Current - Output | 500mA | - | - | |
| Protection Features | Over Temperature, Short Circuit | - | - | |
| Number of Regulators | 1 | - | - | |
| Output Configuration | Positive | - | - |
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Frequently asked questions
Yes. The onsemi MC78M05CDT 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 MC78M05CDT are the MC78M05CDTG (onsemi) and the MC78M05CDTRKG (onsemi), out of 6 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 MC78M05CDT 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 MC78M05CDT (onsemi) is a part in the Power Management (PMIC) category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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