MLF2012A3R3MT Equivalent & Substitute Parts

Part Overview

The MLF2012A3R3MT is a 3.3 µH shielded multilayer inductor manufactured by TDK Corporation, designed for surface mount applications in the 0805 (2012 Metric) package. This component delivers 50 mA current rating with 600mOhm DC resistance and operates across the -55°C to 125°C temperature range. The part is classified as "Not For New Designs," making identification of active equivalent components essential for ongoing production and design updates.

Substiute Parts

MLF2012A3R3MT

TDK CorporationIn Stock: 924MLF2012A3R3MT Datasheet

Current PartRFQ

MLF2012A3R3KT000

TDK CorporationIn Stock: 51283MLF2012A3R3KT000 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MLF2012A3R3MT is determined by strict alignment across the following critical parameters:

• Inductance value: 3.3 µH (exact match required)
• Current rating: 50 mA minimum
• DC resistance: 600mOhm maximum
• Package: 0805 (2012 Metric) surface mount
• Core material: Ferrite shielded construction
• Operating temperature range: -55°C to 125°C minimum
• Compliance: ROHS3 and REACH requirements

The MLF2012A3R3KT000 meets all substitution criteria as an active production part from the same manufacturer series, with identical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The MLF2012A3R3KT000 is the direct equivalent for the MLF2012A3R3MT. Both components share identical electrical performance, mechanical dimensions, and environmental specifications. The primary distinction is product lifecycle status: the MLF2012A3R3MT is designated "Not For New Designs," while the MLF2012A3R3KT000 maintains active production status.

For new designs and ongoing production requirements, the MLF2012A3R3KT000 is the appropriate selection. Both parts maintain full ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment across applications. The MLF2012A3R3KT000 offers tighter inductance tolerance (±10% versus ±20%), providing improved consistency in circuit performance.

Frequently Asked Questions (FAQ)

Q: Can MLF2012A3R3KT000 replace MLF2012A3R3MT in existing designs?

A: Yes. Both components are electrically and mechanically identical. The MLF2012A3R3KT000 is pin-compatible, package-compatible, and functionally equivalent. The primary difference is product status; MLF2012A3R3KT000 is in active production.

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

A: MLF2012A3R3MT carries ±20% inductance tolerance, while MLF2012A3R3KT000 carries ±10%. For applications requiring tighter inductance control, the MLF2012A3R3KT000 provides superior consistency. Both tolerances fall within the same operational envelope for standard filtering and impedance matching applications.

Q: Are there any thermal or environmental differences between these inductors?

A: No. Both parts operate across -55°C to 125°C and maintain identical Q factor (45 @ 10MHz) and self-resonant frequency (60MHz). Moisture sensitivity level is identical at MSL 1 (Unlimited).

Q: Is the 0805 (2012 Metric) package footprint identical for both parts?

A: Yes. Both components use the same 0805 (2012 Metric) surface mount package with dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm) and maximum seated height of 0.057" (1.45mm). PCB layout and assembly processes require no modification.

Q: Do both parts meet current regulatory requirements?

A: Yes. Both MLF2012A3R3MT and MLF2012A3R3KT000 are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance regulations.