Is there a pin-compatible replacement for ACM2520-102-2P-T002?

Yes, other parts in TDK's ACM2520 series, such as ACM2520-601-2P-T002 and ACM2520-301-2P-T002, are pin-compatible. However, their electrical parameters, especially impedance, differ significantly.

What risks should I check before replacing ACM2520-102-2P-T002?

The main risk is reduced common-mode noise filtering due to lower impedance. You must verify if the substitute's impedance-frequency curve meets your system's EMI/EMC requirements.

ACM2520-102-2P-T002 Alternatives, Datasheet & Cross Reference | TDK Electronics AG

Finding a substitute for the TDK ACM2520-102-2P-T002 common mode filter requires careful attention to impedance at 100MHz. While some same-series parts fit the package, they offer lower impedance, impacting filtering performance.

AI replacement insight

Electrical riskhigh

Substitutes have significantly lower impedance, impacting filtering.

Package risklow

Same-series alternatives share the same package and footprint.

Firmware risklow

This is a passive component with no firmware.

Can it be replaced directly?

No direct, 1-to-1 replacement with identical key parameters was found. All physically compatible options require a performance trade-off.

Best replacement path

Use a same-series part like ACM2520-601-2P-T002 if a 40% reduction in impedance is acceptable, or search for a cross-vendor part in a 2520 package with ~1000Ω impedance.

Main risk

The primary risk is insufficient noise attenuation from substitutes with lower impedance, potentially leading to EMI/EMC compliance failures.

Recommended alternatives

A form-fit compatible filter with higher current rating but lower impedance, requiring design review.

View details

Alternative comparison matrix

Feature / factor	ACM2520-102-2P-T002	ACM2520-601-2P-T002	ACM2520-301-2P-T002	Compatibility / risk
Package	2520	2520	2520	2520 — Package size matches.; ACM2520-301-2P-T002: Package size matches.
Impedance	1000 Ω @ 100MHz	600 Ω @ 100MHz	300 Ω @ 100MHz	600 Ω @ 100MHz / 300 Ω @ 100MHz — Lower impedance will reduce filtering performance.; ACM2520-301-2P-T002: Significantly lower impedance, will reduce filtering performance.
Current	0.2 A	0.3 A	0.4 A	0.3 A / 0.4 A — Higher current rating is a safe upgrade.; ACM2520-301-2P-T002: Higher current rating is a safe upgrade.
Resistance	0.9 Ω	0.45 Ω	0.35 Ω	0.45 Ω / 0.35 Ω — Lower DCR is generally better.; ACM2520-301-2P-T002: Lower DCR is generally better.
Voltage	20 V	20 V	20 V	20 V — Voltage rating matches.; ACM2520-301-2P-T002: Voltage rating matches.

Application & sourcing insights

Questions & answers

The best alternative depends on your application's noise sensitivity. Parts like ACM2520-601-2P-T002 are physically compatible but have lower impedance (600Ω vs 1000Ω), which requires engineering review.