L0805C1R0MDMIT Equivalent & Substitute Parts

Part Overview

The L0805C1R0MDMIT is a 1 µH shielded multilayer ferrite inductor manufactured by KEMET in the 0805 (2012 Metric) surface mount package. This component is rated for 1 A continuous current with a maximum DC resistance of 140 mOhm and operates across the temperature range of -40°C to 85°C. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.

Substiute Parts

L0805C1R0MDMIT

KEMETIn Stock: 1076L0805C1R0MDMIT Datasheet

Current PartRFQ

MLZ2012N1R0LTD25

TDK CorporationIn Stock: 40855MLZ2012N1R0LTD25 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the L0805C1R0MDMIT is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

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

Allowable Parameter Variations: Substitute parts must maintain or exceed the current rating (1 A minimum) and must not exceed the DC resistance specification of 140 mOhm. Operating temperature range and product status may differ, provided the substitute operates within or extends the original temperature envelope. RoHS3 compliance and MSL rating must be maintained.

The MLZ2012N1R0LTD25 from TDK Corporation satisfies all mandatory matching parameters and provides improved electrical performance characteristics while maintaining package compatibility and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The MLZ2012N1R0LTD25 is the direct substitute for the obsolete L0805C1R0MDMIT. Selection of this substitute is supported by the following factors:

Electrical Compatibility: The substitute maintains identical inductance value and tolerance while providing superior DC resistance performance (60 mOhm versus 140 mOhm maximum). The increased current rating of 1.15 A exceeds the original 1 A specification, ensuring adequate headroom for circuit operation.

Package and Mechanical Compatibility: Both components utilize the 0805 (2012 Metric) surface mount package with identical footprint dimensions. The substitute exhibits a lower seated height (1.05 mm versus 1.25 mm), which is compatible with existing PCB layouts and assembly processes.

Regulatory and Compliance Status: The substitute maintains ROHS3 compliance and MSL rating of 1 (Unlimited), ensuring consistency with supply chain and manufacturing requirements. The substitute carries AEC-Q200 qualification, indicating automotive-grade reliability.

Product Availability: The substitute is in active production status with substantial inventory availability, eliminating procurement risk associated with the obsolete original part.

Frequently Asked Questions (FAQ)

Q: Can the MLZ2012N1R0LTD25 be used as a direct replacement for the L0805C1R0MDMIT without circuit modification?

A: Yes. Both components share identical inductance value, tolerance, package dimensions, and shielding characteristics. The substitute provides improved DC resistance and current rating, making it functionally superior for the same circuit application.

Q: What is the significance of the lower DC resistance in the substitute part?

A: Lower DC resistance (60 mOhm versus 140 mOhm) reduces resistive losses in the inductor, resulting in lower heat generation and improved circuit efficiency. This is a beneficial characteristic that does not require circuit redesign.

Q: Are there any height clearance concerns when substituting the MLZ2012N1R0LTD25?

A: No. The substitute has a lower seated height (1.05 mm) compared to the original part (1.25 mm), providing additional clearance margin in PCB layouts. This characteristic is compatible with existing assembly processes.

Q: Do both parts require identical PCB footprints?

A: Yes. Both components use the 0805 (2012 Metric) package with identical footprint dimensions of 2.00 mm length by 1.25 mm width. No PCB layout modifications are necessary.

Q: What is the operating temperature difference between these parts?

A: The original part operates from -40°C to 85°C, while the substitute operates from -55°C to 125°C. The substitute provides an extended temperature range, which is advantageous for applications requiring broader thermal performance.

Q: Are moisture sensitivity levels equivalent?

A: Yes. Both components carry MSL rating of 1 (Unlimited), indicating identical moisture handling and storage requirements.

Q: Does the substitute carry any additional certifications?

A: The substitute carries AEC-Q200 qualification, indicating compliance with automotive-grade reliability standards. This certification is not present in the original part specification.