MLF1005LR33KT Equivalent & Substitute Parts

Part Overview

The MLF1005LR33KT is a 330 nH shielded multilayer inductor manufactured by TDK Corporation in 0402 (1005 Metric) surface mount package. This component is rated for 90 mA maximum current with 1.05 Ohm maximum DC resistance. The part is designated as "Not For New Designs," indicating it has been superseded in TDK's product portfolio. For new applications or when the original part becomes unavailable, equivalent substitute parts with compatible electrical and mechanical specifications are necessary.

Substiute Parts

MLF1005LR33KT

TDK CorporationIn Stock: 985MLF1005LR33KT Datasheet

Current PartRFQ

MLF1005VR33KT

TDK CorporationIn Stock: 849MLF1005VR33KT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MLF1005LR33KT is determined by the following critical parameters:

• Inductance Value: Must be 330 nH with ±10% tolerance
• Package / Case: Must be 0402 (1005 Metric) for PCB footprint compatibility
• Shielding Type: Must be shielded to maintain electromagnetic isolation
• Core Material: Must be ferrite for consistent performance characteristics
• DC Resistance: Must not exceed 1.05 Ohm maximum
• Current Rating: Must meet or exceed the application's current requirement
• Mounting Type: Must be surface mount

The MLF1005VR33KT qualifies as a direct substitute based on these parameters. While it offers enhanced specifications (140 mA current rating versus 90 mA, and extended operating temperature range), it maintains identical inductance, tolerance, DC resistance, package, shielding, and core material specifications.

Parameter Comparison

Engineering Selection Recommendations

The MLF1005VR33KT is the direct substitute for the MLF1005LR33KT. Both parts are manufactured by TDK Corporation and maintain identical electrical and mechanical specifications for inductance, tolerance, DC resistance, package dimensions, and shielding characteristics.

The MLF1005VR33KT is the preferred selection for new designs due to its active product status, whereas the MLF1005LR33KT is designated "Not For New Designs." The substitute part provides enhanced current rating capability (140 mA versus 90 mA) and extended operating temperature range (-55°C ~ 125°C versus -40°C ~ 85°C), making it suitable for applications with more demanding thermal or current requirements.

Both parts maintain full compliance with ROHS3 and REACH regulations, with identical MSL ratings and ECCN classifications. The substitute part demonstrates improved Q factor at 25 MHz (15 versus 10), indicating better performance characteristics in high-frequency applications.

Frequently Asked Questions (FAQ)

Q: Can MLF1005VR33KT replace MLF1005LR33KT in existing designs?

A: Yes. The MLF1005VR33KT is a direct substitute with identical inductance (330 nH), tolerance (±10%), DC resistance (1.05 Ohm max), package (0402 / 1005 Metric), and shielding specifications. PCB footprints and electrical performance remain compatible.

Q: What are the key differences between these parts?

A: The primary differences are current rating (140 mA versus 90 mA), operating temperature range (-55°C ~ 125°C versus -40°C ~ 85°C), Q factor at 25 MHz (15 versus 10), and product status (Active versus Not For New Designs). Inductance and DC resistance specifications are identical.

Q: Are the physical dimensions identical?

A: Yes. Both parts use the 0402 (1005 Metric) package with identical dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.022" (0.55mm). They are mechanically interchangeable on PCBs.

Q: Do both parts meet the same compliance standards?

A: Yes. Both MLF1005LR33KT and MLF1005VR33KT are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings of 1 (Unlimited). They share the same ECCN (EAR99) and HTSUS classifications.

Q: Which part should be selected for new product development?

A: The MLF1005VR33KT should be selected for new designs. It carries active product status and provides superior performance characteristics including higher current rating and extended temperature range, ensuring long-term availability and design flexibility.