Alternatives to STMicroelectronics ECMF2-40A100N6
STMicroelectronics ECMF2-40A100N6 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 ECMF2-40A100N6STMicroelectronics |  ECMF2-40A100M6YSTMicroelectronics |  EMI8141MUTAGonsemi | +3more | |
|---|---|---|---|---|
| FFF Compatibility | Identical QFN-6L package dimensions (1.4 x 1.35 mm) and exact same flow-through pinout mapping.Matches the physical size, footprint, and mounting style of the original component.Meets or exceeds all electrical, bandwidth, and ESD protection performance requirements. | Uses the same 6-XFDFN (1.40 x 1.35 mm) package and identical pinout mapping.Interchangeable package form factor, dimensions, and mounting pitch.Acts as a 2-line common mode choke with integrated ESD protection for high-speed differential signal lines. | ||
 AI Summary | ECMF2-40A100N6 by STMicroelectronics: 2 Line Common Mode Choke Surface Mount 100mA DCR 3Ohm (Typ). | This is the automotive-grade counterpart to the queried device. It offers identical dimensions, a direct drop-in pinout, and superior thermal performance alongside higher differential bandwidth. This makes it an ideal high-reliability replacement.
| This is a highly compatible second-source alternative from onsemi. It matches the original part's package size and pinout assignment exactly, making it a reliable drop-in solution with minor tradeoffs in temperature range and DC resistance.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | 2 Line Common Mode Choke Surface Mount 100mA DCR 3Ohm (Typ) | Line Common Mode Choke DCR | 2 Line Common Mode Choke Surface Mount 100mA DCR 6Ohm (Typ) | |
| Manufacturer | STMicroelectronics | STMicroelectronics | onsemi | |
| Type | Common Mode Chokes | Common Mode Chokes | Common Mode Chokes | |
| Datasheet | Open | Open | Open | |
| Lead Time | 13 weeks | 13 weeks | 52 weeks | |
| Country of Origin | CN | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8548.00.0000 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Features | TVS Diode ESD Protection | - | - | |
| Filter Type | Signal Line | - | - | |
| Height (Max) | 0.020" (0.50mm) | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 6-XFDFN | - | - | |
| Number of Lines | 2 | - | - | |
| Size / Dimension | 0.055" L x 0.053" W (1.40mm x 1.35mm) | - | - | |
| Current Rating (Max) | 100mA | - | - |
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Frequently asked questions
Yes. The STMicroelectronics ECMF2-40A100N6 is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the STMicroelectronics ECMF2-40A100N6 are the ECMF2-40A100M6Y (STMicroelectronics) and the EMI8141MUTAG (onsemi), 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 ECMF2-40A100N6 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 ECMF2-40A100N6 (STMicroelectronics) is a part in the Common Mode Chokes category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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