MEM2012D301R LC EMI Filter Equivalent & Substitute Parts

Part Overview

The MEM2012D301R is a 2nd order LC EMI filter manufactured by TDK Corporation, designed for low-pass filtering applications in data line circuits for mobile devices. This component operates at a 300 MHz cutoff frequency with 20 dB attenuation across the 900 MHz to 2 GHz band, supporting 200 mA current at 25V rated voltage in a compact 0805 (2012 Metric) surface mount package.

The MEM2012D301R is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and maintenance applications.

Substiute Parts

MEM2012D301R

TDK CorporationIn Stock: 2034MEM2012D301R Datasheet

Current PartRFQ

MEM1608D301RT001

TDK CorporationIn Stock: 687MEM1608D301RT001 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MEM2012D301R is determined by the following critical parameters:

• Filter technology and order (2nd order LC architecture)
• Cutoff frequency (300 MHz)
• Current capacity (200 mA minimum)
• Operating temperature range (-40°C ~ 85°C)
• Number of channels (1 channel)
• Mounting type (Surface Mount)
• ESD protection requirement (No)

The MEM1608D301RT001 qualifies as a substitute based on matching filter order, cutoff frequency, current rating, operating temperature, channel count, and mounting type. Both components are manufactured by TDK Corporation within the MEM series and share identical functional specifications for low-pass EMI filtering in data line applications.

Parameter Comparison

Engineering Selection Recommendations

The MEM1608D301RT001 is the manufacturer-recommended substitute for the obsolete MEM2012D301R. Both components share identical functional filtering characteristics, current capacity, and operating temperature specifications required for data line EMI filtering in mobile device applications.

The MEM1608D301RT001 is classified as Active product status, ensuring ongoing availability and supply chain continuity. This component is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Design consideration: The MEM1608D301RT001 operates at a reduced rated voltage of 6.3 V compared to the 25 V rating of the MEM2012D301R. Verify that the application circuit voltage does not exceed 6.3 V to ensure safe operation. The substitute part also features a smaller physical footprint (0603 metric package versus 0805 metric), which may require PCB layout adjustment but provides space optimization benefits.

Frequently Asked Questions (FAQ)

Q: Can the MEM1608D301RT001 directly replace the MEM2012D301R in existing designs?

A: Functional substitution is valid based on matching filter specifications (2nd order LC, 300 MHz cutoff, 200 mA current, -40°C to 85°C operating range). However, PCB layout modification is required due to package size difference (0603 versus 0805 metric). Additionally, verify that circuit voltage does not exceed the 6.3 V rating of the substitute part.

Q: What is the primary difference between these two parts?

A: The main differences are product status (obsolete versus active), package size (0805 versus 0603 metric), physical dimensions, and rated voltage (25 V versus 6.3 V). Electrical filtering performance and current capacity are identical.

Q: Why is the substitute part smaller?

A: The MEM1608D301RT001 uses a 0603 (1608 Metric) surface mount package, which is a standard miniaturized form factor. The MEM2012D301R uses a 0805 (2012 Metric) package. Both accommodate the same electrical specifications within their respective package constraints.

Q: Is the MEM1608D301RT001 suitable for high-voltage applications?

A: No. The MEM1608D301RT001 is rated for 6.3 V maximum. If the application requires 25 V operation, this substitute is not appropriate. Consult TDK Corporation for alternative high-voltage rated components within the MEM series.

Q: What does "3 PC Pad" mean in the package specification?

A: This indicates a 3-pad configuration for the LC filter component, representing the inductor, capacitor, and common connection points within the integrated filter structure.