MEM2012P101R Equivalent & Substitute Parts

Part Overview

The MEM2012P101R is an LC (Pi) EMI filter designed for 3rd order low pass filtering applications in data line protection for mobile devices. This component operates at a 100 MHz cutoff frequency with 200 mA current capacity and is housed in a 0805 (2012 Metric) surface mount package. The part is currently listed as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity.

Substiute Parts

MEM2012P101R

TDK CorporationIn Stock: 1856MEM2012P101R Datasheet

Current PartRFQ

MEM2012F101RT001

TDK CorporationIn Stock: 3841MEM2012F101RT001 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MEM2012P101R is determined by strict equivalence across the following critical parameters:

• Filter technology and order (LC Pi, 3rd order)
• Single channel configuration
• Cutoff frequency (100 MHz)
• Attenuation performance (20 dB @ 1.5 GHz ~ 2 GHz)
• Current capacity (200 mA)
• Rated voltage (12 V)
• Package type and dimensions (0805 / 2012 Metric, 3 PC Pad)
• Operating temperature range (-40°C ~ 85°C)
• Surface mount mounting type

The primary distinction between the main part and its substitute relates to packaging format (Cut Tape versus Tape & Reel) and product status (Obsolete versus Active). These differences do not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The MEM2012F101RT001 is the manufacturer-recommended substitute for the obsolete MEM2012P101R. Both components are manufactured by TDK Corporation and maintain identical electrical specifications and mechanical compatibility.

The MEM2012F101RT001 carries Active product status, ensuring continued availability and support. This part is RoHS3 compliant, providing enhanced environmental and regulatory alignment compared to the obsolete predecessor.

The primary difference is packaging format: the substitute is supplied in Tape & Reel (TR) format rather than Cut Tape (CT). This distinction affects procurement and assembly processes but does not impact electrical performance or board-level compatibility. The height differential (0.039" versus 0.030") remains within acceptable tolerances for standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can MEM2012F101RT001 be used as a direct replacement for MEM2012P101R?

A: Yes. Both components share identical electrical specifications, filter characteristics, and mechanical dimensions. The substitute maintains the same 100 MHz cutoff frequency, 200 mA current capacity, 12 V rated voltage, and 0805 (2012 Metric) package footprint. Packaging format (Tape & Reel versus Cut Tape) does not affect circuit-level compatibility.

Q: What is the significance of the height difference between these parts?

A: The MEM2012P101R has a height of 0.030" (0.76 mm), while the MEM2012F101RT001 measures 0.039" (1.00 mm). This 0.009" (0.24 mm) difference is within standard surface mount assembly tolerances and does not require PCB redesign or reflow profile adjustment.

Q: Why is the original part listed as obsolete?

A: Product obsolescence is determined by the manufacturer based on market demand and production decisions. The MEM2012F101RT001 represents the active continuation of this filter technology within the MEM series and is the recommended path for new designs and production continuity.

Q: Does the Tape & Reel packaging affect circuit performance?

A: No. Packaging format (Tape & Reel versus Cut Tape) is a supply chain and assembly consideration only. It does not alter electrical performance, frequency response, attenuation characteristics, or any functional parameter of the component.

Q: Are there any compliance differences between these parts?

A: The MEM2012F101RT001 is certified RoHS3 compliant. Both parts maintain REACH Unaffected status and carry identical EAR99 export classification and HTSUS coding.