MLF2012A1R0MT Equivalent & Substitute Parts

Part Overview

The MLF2012A1R0MT is a 1 µH shielded multilayer inductor manufactured by TDK Corporation, designed for surface mount applications in the 0805 (2012 Metric) package. This component is rated for 80 mA maximum current with a DC resistance of 300 mOhm maximum and operates across a temperature range of -55°C to 125°C. The part carries a "Not For New Designs" status, making identification of functionally equivalent alternatives essential for ongoing production and maintenance applications.

Substiute Parts

MLF2012A1R0MT
TDK CorporationIn Stock: 804MLF2012A1R0MT Datasheet
MLF2012A1R0MT
Current Part
ASMCI-0805-1R0M-T
Abracon LLCIn Stock: 5561ASMCI-0805-1R0M-T Datasheet
ASMCI-0805-1R0M-T
MFR Recommended

Key Parameters

Parameter Value
Inductance 1 µH
Current Rating 80 mA
DC Resistance (DCR) 300 mOhm Max
Package / Case 0805 (2012 Metric)
Shielding Shielded
Material - Core Ferrite
Tolerance ±20%
Operating Temperature -55°C ~ 125°C
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MLF2012A1R0MT is determined by the following critical parameters:

Mandatory Matching Parameters:

  • Inductance value: 1 µH
  • Package / Case: 0805 (2012 Metric)
  • Shielding type: Shielded
  • Core material: Ferrite
  • Tolerance: ±20%
  • Mounting type: Surface Mount

Allowable Parameter Variations:

  • Current Rating: Substitute must meet or exceed 80 mA minimum
  • DC Resistance: Substitute must not exceed 300 mOhm maximum
  • Operating Temperature: Substitute must cover or exceed the -55°C to 125°C range
  • RoHS and MSL compliance: Substitute must maintain ROHS3 compliance and MSL 1 rating

The ASMCI-0805-1R0M-T from Abracon LLC meets all mandatory matching parameters and qualifies as a direct substitute based on these criteria.

Parameter Comparison

Parameter MLF2012A1R0MT (TDK) ASMCI-0805-1R0M-T (Abracon) Compatibility
Inductance 1 µH 1 µH Match
Current Rating (Amps) 80 mA 300 mA Exceeds requirement
DC Resistance (DCR) 300 mOhm Max 200 mOhm Better performance
Package / Case 0805 (2012 Metric) 0805 (2012 Metric) Match
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm) 0.079" L x 0.049" W (2.00mm x 1.25mm) Match
Height - Seated (Max) 0.041" (1.05mm) 0.041" (1.05mm) Match
Shielding Shielded Shielded Match
Material - Core Ferrite Ferrite Match
Tolerance ±20% ±20% Match
RoHS Status ROHS3 Compliant ROHS3 Compliant Match
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Match
Operating Temperature -55°C ~ 125°C -40°C ~ 85°C Narrower range

Engineering Selection Recommendations

The ASMCI-0805-1R0M-T from Abracon LLC is a qualified substitute for the MLF2012A1R0MT. Both components maintain ROHS3 compliance and MSL 1 ratings, ensuring regulatory and environmental compatibility.

The Abracon part demonstrates superior electrical performance with a 300 mA current rating versus the original 80 mA specification, and a lower DC resistance of 200 mOhm compared to 300 mOhm maximum. These characteristics provide enhanced margin in applications where the original part is specified.

The primary consideration is the operating temperature range. The Abracon substitute operates from -40°C to 85°C, which is narrower than the original -55°C to 125°C range. Component selection should verify that the application's thermal requirements fall within the -40°C to 85°C window. For applications requiring the full -55°C to 125°C operating range, the original MLF2012A1R0MT specification must be maintained or alternative sources identified.

Frequently Asked Questions (FAQ)

Q: Can the ASMCI-0805-1R0M-T replace the MLF2012A1R0MT in all applications?

A: The ASMCI-0805-1R0M-T is electrically and mechanically compatible for applications operating within the -40°C to 85°C temperature range. Applications requiring operation below -40°C or above 85°C require verification against the original specification or identification of alternative parts.

Q: What are the key differences between these two inductors?

A: Both parts share identical inductance (1 µH), package dimensions (0805), tolerance (±20%), and core material (ferrite). The Abracon part offers higher current rating (300 mA vs. 80 mA) and lower DC resistance (200 mOhm vs. 300 mOhm maximum). The operating temperature range differs, with the TDK part rated to -55°C and the Abracon part to -40°C minimum.

Q: Are there any PCB layout or assembly considerations when substituting?

A: Both components use identical 0805 (2012 Metric) package dimensions and mounting specifications. No PCB layout modifications are required. Standard surface mount assembly processes apply to both parts.

Q: How do the electrical performance characteristics compare?

A: The Abracon ASMCI-0805-1R0M-T provides superior electrical performance with lower DC resistance (200 mOhm vs. 300 mOhm) and higher current handling capability (300 mA vs. 80 mA). These characteristics result in reduced power dissipation and improved thermal performance in the application circuit.

Q: What compliance certifications apply to both parts?

A: Both the MLF2012A1R0MT and ASMCI-0805-1R0M-T maintain ROHS3 compliance and carry MSL 1 (Unlimited) moisture sensitivity ratings. Both are classified under ECCN EAR99 and HTSUS 8504.50.8000.

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