LB2016T220M Equivalent & Substitute Parts

Part Overview

The LB2016T220M is a 22 µH unshielded drum core wirewound inductor manufactured by Taiyo Yuden, rated for 105 mA continuous current with 1 Ohm DC resistance. This component is packaged in 0806 (2016 Metric) surface mount format and is designated as Not For New Designs. Due to this product status classification, identification of functionally equivalent substitute components is necessary for ongoing maintenance, repair, and legacy system support applications where the original part specification must be maintained.

Substiute Parts

LB2016T220M

Taiyo YudenIn Stock: 2889LB2016T220M Datasheet

Current PartRFQ

LQM21FN220N00L

Murata ElectronicsIn Stock: 3796LQM21FN220N00L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LB2016T220M is constrained by the following critical parameters:

Inductance Value: The substitute part must maintain 22 µH inductance to preserve circuit function.

Current Rating: The substitute must support minimum 105 mA continuous current. Parts with lower current ratings cannot be used as direct substitutes.

DC Resistance: The substitute must maintain DC resistance characteristics compatible with circuit design. The original part specifies 1 Ohm; substitutes with significantly higher resistance values alter circuit behavior.

Core Material: Ferrite core material is specified for the original part.

Package / Case: Surface mount 0806 (2016 Metric) package is required for mechanical and electrical compatibility with the PCB layout.

Environmental Compliance: RoHS3 compliance is mandatory for regulatory adherence.

The identified substitute part LQM21FN220N00L shares the same inductance value and ferrite core material. However, critical parameter differences exist that must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution Limitations:

The LQM21FN220N00L cannot serve as a direct substitute for the LB2016T220M in applications requiring the full 105 mA current rating. The substitute part is rated for only 13 mA continuous current, representing an 87.6% reduction in current capacity. This fundamental limitation disqualifies the substitute for circuits designed to operate at or near the original part's 105 mA specification.

Package Compatibility:

The substitute part uses 0805 (2012 Metric) package format versus the original 0806 (2016 Metric) package. While both are surface mount components with similar length dimensions (0.079"), the width differs (0.049" versus 0.063") and height differs (0.057" versus 0.071"). PCB footprint compatibility cannot be assumed without design verification.

Compliance Status:

Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings, satisfying regulatory requirements. The substitute part carries Active product status, whereas the original is designated Not For New Designs, indicating ongoing manufacturer support for the substitute.

Temperature Operating Range:

The original part operates across -25°C to 105°C, while the substitute operates across -40°C to 85°C. Applications requiring operation above 85°C cannot use the substitute part.

Resistance and Inductance Tolerance:

The substitute exhibits lower DC resistance (455 mOhm versus 1 Ohm) and wider inductance tolerance (±30% versus ±20%), which may affect circuit performance in applications sensitive to these parameters.

Frequently Asked Questions (FAQ)

Q: Can the LQM21FN220N00L replace the LB2016T220M in all applications?

A: No. The substitute part is rated for 13 mA maximum current, while the original part is rated for 105 mA. The substitute cannot be used in circuits requiring current levels above 13 mA.

Q: Are the package dimensions compatible?

A: The parts use different package formats (0806 versus 0805). While both are surface mount, the width and height dimensions differ. PCB footprint verification is required before substitution.

Q: What is the impact of the different DC resistance values?

A: The substitute part has 455 mOhm DC resistance compared to 1 Ohm for the original. This lower resistance reduces voltage drop across the inductor but may affect circuit impedance matching and filtering characteristics depending on application design.

Q: Does the substitute part meet the same environmental standards?

A: Both parts are ROHS3 compliant and carry MSL 1 (Unlimited) ratings. However, the substitute operates to a maximum of 85°C versus 105°C for the original part.

Q: Why is the original part marked "Not For New Designs"?

A: This designation indicates the manufacturer is not recommending the LB2016T220M for new circuit designs. The LQM21FN220N00L carries Active status, indicating ongoing manufacturer support and availability.

Q: What are the inductance tolerance differences?

A: The original part specifies ±20% tolerance while the substitute specifies ±30%. Applications with tight inductance value requirements may experience greater variation with the substitute part.

Q: Can the shielded substitute replace the unshielded original?

A: The substitute is shielded while the original is unshielded. Shielding affects electromagnetic coupling characteristics. Application-specific evaluation is required to determine if shielding introduces undesired effects or provides beneficial noise reduction.