MLF1005LR10KT Equivalent & Substitute Parts

Part Overview

The MLF1005LR10KT is a 100 nH shielded multilayer inductor manufactured by TDK Corporation in 0402 (1005 Metric) surface mount package. This component is rated for 150 mA maximum current with 510 mOhm DC resistance and operates across -40°C to 85°C. The part is marked as Not For New Designs, making identification of compatible alternatives essential for ongoing production support and design continuity.

Substiute Parts

MLF1005LR10KT

TDK CorporationIn Stock: 794MLF1005LR10KT Datasheet

Current PartRFQ

MLF1005VR10JT

TDK CorporationIn Stock: 854MLF1005VR10JT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The MLF1005VR10JT qualifies as a direct substitute based on the following critical parameters:

• Inductance Match: Both parts specify 100 nH, meeting the core functional requirement
• Package Compatibility: Identical 0402 (1005 Metric) surface mount package ensures mechanical and electrical footprint compatibility
• Shielding Consistency: Both are shielded multilayer inductors, maintaining electromagnetic performance characteristics
• DC Resistance Equivalence: Both rated at 510 mOhm Max, ensuring comparable power dissipation and thermal behavior
• Frequency Performance: Matching Q @ 25MHz (10) and Self Resonant Frequency (450 MHz) confirm RF performance alignment

The substitute part exceeds the original in current rating (180 mA vs 150 mA) and operating temperature range (-55°C ~ 125°C vs -40°C ~ 85°C), providing enhanced capability margins. The tighter tolerance (±5% vs ±10%) on the substitute represents improved precision.

Parameter Comparison

Engineering Selection Recommendations

The MLF1005VR10JT is the qualified substitute for MLF1005LR10KT applications. Selection is supported by:

• Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity
• Product Status Advantage: The substitute is Active status, providing long-term availability and manufacturing support compared to the Not For New Designs status of the original
• Performance Margin: The substitute's higher current rating (180 mA) and expanded operating temperature range (-55°C ~ 125°C) provide design margin for existing applications
• Electrical Equivalence: Matching inductance, DC resistance, and frequency characteristics ensure direct functional replacement without circuit redesign

Frequently Asked Questions (FAQ)

Q: Can MLF1005VR10JT replace MLF1005LR10KT in existing designs?

A: Yes. Both parts share identical inductance (100 nH), DC resistance (510 mOhm Max), package (0402), and frequency performance (Q @ 25MHz = 10, SRF = 450 MHz). The substitute meets or exceeds all electrical specifications of the original.

Q: What are the key differences between these parts?

A: The substitute offers improved tolerance (±5% vs ±10%), higher current rating (180 mA vs 150 mA), and wider operating temperature range (-55°C ~ 125°C vs -40°C ~ 85°C). Product status differs: the substitute is Active while the original is Not For New Designs.

Q: Are the physical packages identical?

A: Yes. Both use 0402 (1005 Metric) surface mount package with identical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and seated height (0.022" / 0.55mm). PCB footprints are interchangeable.

Q: Do compliance certifications match?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. Regulatory requirements are maintained across substitution.

Q: Is the tighter tolerance of the substitute a concern?

A: No. The ±5% tolerance of the substitute is tighter than the ±10% of the original, providing improved inductance accuracy. This represents an enhancement for applications requiring tighter component specifications.