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Product Detailed Parameters
- Description：CMC 1.4A 2LN 420OHM SMD AEC-Q200
- Series：ACM-V
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：1.4A
- DC Resistance (DCR) (Max)：55mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.185" L x 0.177" W (4.70mm x 4.50mm)
- Height (Max)：0.079" (2.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：420 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The TDK ACM4520V-421-2P-T00 is a surface-mount common mode filter from the ACM-V series, designed for high-reliability applications. It features an inductance of 1.1 µH and an impedance of 420 Ω at 100 MHz. The component supports a maximum DC current of 1.4 A with a maximum DC resistance of 55 mΩ. It operates within a temperature range of -40°C to +125°C and meets AEC-Q200 automotive standards. The physical dimensions are 4.7 mm x 4.5 mm x 2 mm.
Feature Summary
- AEC-Q200 qualified for automotive reliability requirements
- Shielded wire-wound construction for enhanced noise suppression
- High operating temperature capability up to 125°C
Applications
- Automotive electronic circuits requiring EMI suppression
- Data line protection in vehicle infotainment systems
- Power supply filtering in automotive control units
Procurement Notes
This specific part number is officially marked as Not Recommended for New Designs (NRND) by the manufacturer. Production has ceased, and it is no longer available for new procurement. Engineers must verify current availability through authorized distributors, though stock is likely limited or exhausted. Sourcing should focus on obsolete inventory channels or immediate transition to approved replacement components to ensure long-term supply chain stability.
Selection Notes
Designers should prioritize alternative components due to the NRND status of this part. When selecting replacements, match the 420 Ω impedance, 1.4 A current rating, and 4.7x4.5x2 mm footprint. Ensure the substitute also holds AEC-Q200 certification if used in automotive contexts. Verify that the replacement maintains compatible thermal performance and shielding characteristics to preserve original circuit EMC integrity without redesigning the PCB layout.
Part Context
The ACM4520V series represents TDK's shielded common mode chokes optimized for automotive electronics. These components utilize ferrite cores and wire-wound structures to provide effective electromagnetic interference suppression in compact surface-mount packages. The V suffix typically denotes automotive-grade qualification, ensuring robustness against vibration and extreme temperatures common in vehicle environments.
Replacement Considerations
TDK recommends the ACM55V-701-2PL-TL00 as a manufacturer-approved substitute. This alternative offers similar functionality but requires verification of dimensional compatibility and electrical parameter alignment with the original design specifications before implementation.
FAQ
Is the ACM4520V-421-2P-T00 suitable for automotive applications?
Yes, it is AEC-Q200 qualified, indicating compliance with automotive reliability standards.
What is the current status of this component?
It is classified as Not Recommended for New Designs (NRND) and is no longer manufactured.
