ACH32C-222-TL001 Equivalent & Substitute Parts

Part Overview

The ACH32C-222-TL001 is a 3rd order LC (T-Type) EMI filter manufactured by TDK Corporation, designed for general-purpose low-pass filtering applications. This component features a single channel with 2200pF capacitance, rated for 6A continuous current, and operates across -40°C to 125°C. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and procurement needs.

Substiute Parts

ACH32C-222-TL001

TDK CorporationIn Stock: 922ACH32C-222-TL001 Datasheet

Current PartRFQ

YFF31AH2A104MT0Y0N

TDK CorporationIn Stock: 10262YFF31AH2A104MT0Y0N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part YFF31AH2A104MT0Y0N is identified based on the following substitution criteria:

Mechanical Compatibility:

• Identical package footprint: 1206 (3216 Metric)
• Surface mount technology alignment
• Compatible board-level integration

Electrical Compatibility Parameters:

• Voltage rating (100V) exceeds the original 50V requirement
• Current capacity (10A) exceeds the original 6A requirement
• Operating temperature range (-55°C ~ 125°C) encompasses the original range
• Moisture sensitivity level matches (MSL 1)

Functional Differences: The substitute operates as a feed-through capacitor with different filtering characteristics (40dB @ 7MHz ~ 2GHz insertion loss) compared to the original LC filter topology. This represents a functional alternative rather than a direct electrical equivalent, suitable for applications where feed-through filtering performance is acceptable.

Parameter Comparison

Engineering Selection Recommendations

Selection of YFF31AH2A104MT0Y0N as a substitute for ACH32C-222-TL001 is supported by the following factors:

Compliance & Certification:

• Both components maintain REACH Unaffected status
• Both classified under ECCN EAR99
• Substitute carries AEC-Q200 automotive-grade certification, providing enhanced reliability documentation

Availability & Product Status:

• Original part is obsolete with limited remaining inventory (896 Pcs)
• Substitute is active production with substantial inventory (10,200 Pcs)
• Ensures long-term procurement viability

Electrical Margin:

• Substitute voltage and current ratings provide operational headroom above original specifications
• Temperature range expansion (-55°C lower bound) accommodates extended environmental requirements

Mechanical Fit:

• Footprint compatibility ensures direct PCB layout reuse
• Pad count difference (3 vs 4 pads) requires verification against specific board design

Frequently Asked Questions (FAQ)

Q: Can YFF31AH2A104MT0Y0N be used as a direct drop-in replacement?

A: Mechanical footprint compatibility (1206 package, surface mount) supports direct PCB placement. However, the pad count differs (4 pads vs 3 pads on original), requiring board design verification. Electrical performance differs due to feed-through capacitor topology versus LC filter topology.

Q: What are the key differences in filtering performance?

A: The original ACH32C-222-TL001 provides -25dB attenuation across 55MHz ~ 300MHz as a 3rd order LC filter. The substitute YFF31AH2A104MT0Y0N operates as a feed-through capacitor with 40dB insertion loss across 7MHz ~ 2GHz. Application requirements determine suitability.

Q: Are there compliance concerns with substitution?

A: Both components maintain identical REACH and ECCN classifications. The substitute carries AEC-Q200 automotive-grade certification, which may exceed original requirements depending on application context.

Q: Does the higher voltage and current rating of the substitute create any issues?

A: Higher ratings provide operational margin and do not create compatibility issues. The substitute's 100V rating and 10A capacity exceed original 50V and 6A specifications, supporting broader application flexibility.

Q: What should be verified before implementation?

A: PCB layout compatibility with 4-pad configuration, filtering performance adequacy for the specific application frequency range, and thermal management under maximum current conditions.