MLF2012A2R2MT Equivalent & Substitute Parts

Part Overview

The MLF2012A2R2MT is a 2.2 µH shielded multilayer inductor manufactured by TDK Corporation in the 0805 (2012 Metric) surface mount package. This component is rated for 50 mA maximum current with a maximum DC resistance of 500 mOhm and operates across the temperature range of -55°C to 125°C. The part is currently classified as Not For New Designs, making identification of equivalent alternatives essential for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Inductance	2.2 µH
Current Rating	50 mA
DC Resistance (Max)	500 mOhm
Package / Case	0805 (2012 Metric)
Shielding	Shielded
Core Material	Ferrite
Operating Temperature Range	-55°C to 125°C
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MLF2012A2R2MT is determined by strict equivalence across the following critical parameters:

Inductance Value: Must be 2.2 µH
Current Rating: Must support minimum 50 mA
DC Resistance: Must not exceed 500 mOhm maximum
Package / Case: Must be 0805 (2012 Metric) for mechanical and electrical compatibility
Shielding: Must be shielded to maintain electromagnetic isolation
Core Material: Must be ferrite
Operating Temperature Range: Must cover -55°C to 125°C minimum
Mounting Type: Must be surface mount

The MLF2012A2R2KT000 meets all substitution criteria as a direct equivalent component with identical electrical specifications and mechanical form factor.

Parameter Comparison

Parameter	MLF2012A2R2MT	MLF2012A2R2KT000
Manufacturer	TDK Corporation	TDK Corporation
Series	MLF	MLF
Inductance	2.2 µH	2.2 µH
Inductance Tolerance	±20%	±10%
Current Rating (Amps)	50 mA	50 mA
DC Resistance (Max)	500 mOhm	500 mOhm
Q @ Freq	45 @ 10MHz	45 @ 10MHz
Frequency - Self Resonant	80 MHz	80 MHz
Shielding	Shielded	Shielded
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)
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)
Height - Seated (Max)	0.041" (1.05mm)	0.041" (1.05mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8504.50.8000	8504.50.8000
Product Status	Not For New Designs	Active
Packaging	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

The MLF2012A2R2KT000 is the direct substitute for the MLF2012A2R2MT. Both components are manufactured by TDK Corporation and share identical electrical and mechanical specifications. The primary distinction is product status: the MLF2012A2R2MT is classified as Not For New Designs, while the MLF2012A2R2KT000 maintains Active status.

The MLF2012A2R2KT000 offers an additional advantage through improved inductance tolerance (±10% versus ±20%), providing tighter performance characteristics for precision applications. Both parts maintain full compliance with ROHS3 and REACH requirements, with identical moisture sensitivity levels and export classifications.

Packaging differs between the two parts: the MLF2012A2R2MT is supplied in Tape & Reel format, while the MLF2012A2R2KT000 is available in Cut Tape and Digi-Reel® packaging options. This distinction affects procurement and assembly workflows but does not impact electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can MLF2012A2R2KT000 be used as a direct replacement for MLF2012A2R2MT in existing designs?

A: Yes. Both components share identical inductance values, current ratings, DC resistance specifications, package dimensions, and operating temperature ranges. The MLF2012A2R2KT000 is electrically and mechanically compatible for direct substitution.

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

A: The MLF2012A2R2MT has ±20% tolerance while the MLF2012A2R2KT000 has ±10% tolerance. The tighter tolerance of the substitute part provides more consistent inductance values across production batches, which may benefit applications requiring precise frequency response or impedance matching.

Q: Are there packaging compatibility concerns when switching from MLF2012A2R2MT to MLF2012A2R2KT000?

A: No packaging compatibility concerns exist at the component level. Both parts use the identical 0805 (2012 Metric) surface mount package with matching dimensions and height specifications. The difference in supply format (Tape & Reel versus Cut Tape / Digi-Reel®) affects procurement and assembly processes but not PCB placement or soldering procedures.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both the MLF2012A2R2MT and MLF2012A2R2KT000 are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS codes. Moisture sensitivity levels are equivalent at MSL 1 (Unlimited).

Q: Why is the MLF2012A2R2MT marked as Not For New Designs?

A: The Not For New Designs status indicates that TDK Corporation has transitioned this part to end-of-life or obsolescence management. The MLF2012A2R2KT000 represents the active equivalent for new design implementations and ongoing production requirements.

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