Is there a pin-compatible replacement for ICMEF112P900MFR?

No. The ICMEF112P900MFR is a 6-pin component that includes ESD protection. Most common mode filters with similar electrical properties are 4-pin devices and are not physically or functionally pin-compatible.

What risks should I check before replacing ICMEF112P900MFR?

The primary risks are the loss of integrated ESD protection, which could affect your product's reliability and regulatory compliance, and the mandatory PCB redesign needed to accommodate a 4-pin component instead of the original 6-pin part.

ICMEF112P900MFR Alternatives, Datasheet & Cross Reference | SHMICTRL

ICMEF112P900MFR is a 2-line, 90Ω common mode filter with integrated ESD protection in a compact 0504-size package. Finding a substitute is challenging as no direct drop-in replacements are available.

AI replacement insight

Package riskhigh

Target is 6-pin; alternatives are 4-pin. PCB redesign is required.

Electrical riskhigh

Substituting with a 4-pin filter removes the built-in ESD protection, potentially compromising system reliability and compliance.

Sourcing risklow

The suggested functional alternatives from Panasonic are widely available.

Can it be replaced directly?

No, there is no known direct, pin-for-pin compatible replacement for the ICMEF112P900MFR.

Best replacement path

There are no direct drop-in replacements for ICMEF112P900MFR due to its integrated ESD protection and 6-pin footprint. The best path is to select a 4-pin common mode choke with matching impedance (e.g., EXC24CE900U) and add external ESD protection diodes, which requires a PCB redesign.

Main risk

Loss of integrated ESD protection and the requirement for a mandatory PCB layout change.

Recommended alternatives

A functional alternative with matching impedance and package size, but lacks the target's integrated ESD protection.

View details

Alternative comparison matrix

Feature / factor	ICMEF112P900MFR	EXC24CE900U	EXC24CH900U	ICMF112P900MFR	Compatibility / risk
Resistance	Max 4.0 Ω	Max 1.75 Ω	Max 2.5 Ω	Max 4.0 Ω	Max 1.75 Ω / Max 2.5 Ω / Max 4.0 Ω — Lower DC Resistance is an improvement.; EXC24CH900U: Lower DC Resistance is an improvement.; ICMF112P900MFR: DC Resistance matches.
Current	100 mA	160 mA	130 mA	100 mA	160 mA / 130 mA / 100 mA — Higher current rating is a safe upgrade.; EXC24CH900U: Higher current rating is a safe upgrade.; ICMF112P900MFR: Rated current matches.
Pinout	6-pin with ESD	4-pin, no ESD	4-pin, no ESD	4-pin, no ESD	4-pin, no ESD — Lacks ESD protection and has a different footprint.; EXC24CH900U: Lacks ESD protection and has a different footprint.; ICMF112P900MFR: Lacks ESD protection and has a different footprint.
Package	~1.27x1.0mm	0504 (1.25x1.0mm)	0504 (1.25x1.0mm)	1210 / ~1.27x1.0mm	0504 (1.25x1.0mm) / 1210 / ~1.27x1.0mm — Package body size is a close match.; EXC24CH900U: Package body size is a close match.; ICMF112P900MFR: Package body size is a match.

Application & sourcing insights

Questions & answers

There is no direct drop-in replacement. The best functional alternatives, like Panasonic's EXC24CE900U, match the core filter specs but lack the integrated ESD protection and require a PCB redesign due to a different footprint.