MLF1005LR15K Equivalent & Substitute Parts

Part Overview

The MLF1005LR15K is a 150 nH shielded multilayer inductor manufactured by TDK Corporation in 0402 (1005 Metric) surface mount package. This component is rated for 130 mA maximum current with 630 mOhm DC resistance and operates across -40°C to 85°C. The part is currently obsolete, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

MLF1005LR15K

TDK CorporationIn Stock: 7971MLF1005LR15K Datasheet

Current PartRFQ

MLF1005VR15KT000

TDK CorporationIn Stock: 1536MLF1005VR15KT000 Datasheet

DirectRFQ

MLF1005VR15KT

TDK CorporationIn Stock: 1171MLF1005VR15KT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MLF1005LR15K is determined by the following critical parameters:

• Inductance Value: 150 nH (must match exactly)
• Package / Case: 0402 (1005 Metric) (physical and electrical compatibility requirement)
• Shielding Type: Shielded (electromagnetic performance requirement)
• Core Material: Ferrite (electrical characteristic requirement)
• Tolerance: ±10% (specification compliance)
• DC Resistance: 630 mOhm Max (thermal and performance requirement)
• Operating Temperature Range: Must support minimum -40°C ~ 85°C operation
• Mounting Type: Surface Mount (assembly compatibility)

The identified substitute parts MLF1005VR15KT000 and MLF1005VR15KT maintain all critical electrical and mechanical parameters. Both parts feature increased current rating (180 mA versus 130 mA) and improved Q factor (15 @ 25MHz versus 10 @ 25MHz), providing enhanced performance margins while maintaining identical inductance, package, and core specifications.

Parameter Comparison

Engineering Selection Recommendations

Both MLF1005VR15KT000 and MLF1005VR15KT are direct functional equivalents to the obsolete MLF1005LR15K. Selection between these two substitute parts is based on the following criteria:

MLF1005VR15KT000 maintains the original operating temperature range of -40°C ~ 85°C and is available in Tape & Reel (TR) packaging. This part is suitable for applications with standard temperature requirements and standard production volumes.

MLF1005VR15KT is the manufacturer-recommended substitute, offering an extended operating temperature range of -55°C ~ 125°C while maintaining identical electrical specifications. This part provides superior thermal performance margins and is recommended for applications requiring broader temperature operation or enhanced reliability. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

The increased current rating (180 mA versus 130 mA) and improved Q factor (15 @ 25MHz versus 10 @ 25MHz) in both substitute parts provide enhanced electrical performance without compromising compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can MLF1005VR15KT000 or MLF1005VR15KT be used as direct replacements for MLF1005LR15K?

A: Yes. Both parts maintain identical inductance (150 nH), tolerance (±10%), DC resistance (630 mOhm Max), shielding type (Shielded), core material (Ferrite), and 0402 (1005 Metric) package dimensions. The substitute parts feature higher current ratings and improved Q factors, providing enhanced performance margins.

Q: What is the difference between MLF1005VR15KT000 and MLF1005VR15KT?

A: The primary difference is operating temperature range. MLF1005VR15KT000 operates from -40°C ~ 85°C, matching the original part specification. MLF1005VR15KT extends this range to -55°C ~ 125°C. Both parts are electrically identical in all other parameters. MLF1005VR15KT is the manufacturer-recommended substitute.

Q: Are the physical dimensions identical between the main part and substitutes?

A: Yes. All three parts share identical 0402 (1005 Metric) package specifications with dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.022" (0.55mm). Direct PCB footprint compatibility is maintained.

Q: Do the substitute parts meet the same regulatory requirements?

A: Yes. Both MLF1005VR15KT000 and MLF1005VR15KT are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original MLF1005LR15K.

Q: What is the significance of the higher current rating in the substitute parts?

A: The substitute parts are rated for 180 mA maximum current compared to 130 mA for the original part. This provides a 38% increase in current handling capacity while maintaining identical DC resistance (630 mOhm Max), resulting in lower thermal stress and improved reliability margins in the application.

Q: Can these parts be used interchangeably in production?

A: Yes. Both substitute parts are surface mount components in identical 0402 (1005 Metric) packages with matching electrical specifications. They are compatible with standard SMT assembly processes and existing PCB designs without modification.