VLS4012T-2R2M1R4 Equivalent & Substitute Parts

Part Overview

The VLS4012T-2R2M1R4 is a 2.2 µH shielded wirewound inductor manufactured by TDK Corporation, rated for 1.4 A continuous current with a maximum DC resistance of 84 mOhm. This component is classified as Obsolete, indicating it is no longer in active production. Finding equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing manufacturing requirements for applications utilizing this inductor specification.

Substiute Parts

VLS4012T-2R2M1R4

TDK CorporationIn Stock: 42414VLS4012T-2R2M1R4 Datasheet

Current PartRFQ

VLS4012CX-2R2M-1

TDK CorporationIn Stock: 2511VLS4012CX-2R2M-1 Datasheet

MFR RecommendedRFQ

VLS4012ET-2R2M

TDK CorporationIn Stock: 30179VLS4012ET-2R2M Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VLS4012T-2R2M1R4 are qualified based on the following critical parameters:

Electrical Parameters:

• Inductance value: 2.2 µH (±20% tolerance)
• Operating temperature range: -40°C ~ 105°C minimum
• Shielding requirement: Shielded construction
• Inductance test frequency: 1 MHz

Mechanical Parameters:

• Mounting type: Surface Mount
• Physical dimensions: 4.00mm x 4.00mm footprint
• Height seated maximum: 1.20mm
• Package type: Nonstandard

Compliance Parameters:

• RoHS3 compliance required
• Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts must maintain electrical equivalence within the specified inductance tolerance and current handling capability while preserving the physical form factor and environmental compliance certifications. The following parts meet these substitution criteria.

Parameter Comparison

Engineering Selection Recommendations

VLS4012CX-2R2M-1 is the primary recommended substitute. This part is in Active product status, ensuring long-term availability and supply chain stability. It provides superior electrical performance with a higher current rating of 2.56 A and lower DC resistance of 74 mOhm compared to the original specification. The part maintains identical physical dimensions, operating temperature range, and RoHS3 compliance. Drum core construction with ferrite material provides enhanced performance characteristics while preserving mechanical and electrical compatibility.

VLS4012ET-2R2M is an alternative substitute with Active product status classification as "Not For New Designs." This part closely matches the original current rating at 1.7 A and maintains DC resistance of 81 mOhm, providing near-equivalent electrical performance. Physical dimensions and compliance certifications remain identical. This option is suitable for sustaining production of existing designs but is not recommended for new product development.

Both substitute parts maintain the required shielded construction, surface mount configuration, and nonstandard package form factor. Selection between these options depends on design requirements for current handling capacity and long-term product lifecycle considerations.

Frequently Asked Questions (FAQ)

Q: Can VLS4012CX-2R2M-1 be used as a direct replacement for VLS4012T-2R2M1R4?

A: Yes. Both parts share identical inductance value (2.2 µH), tolerance (±20%), operating temperature range (-40°C ~ 105°C), physical dimensions (4.00mm x 4.00mm), and height (1.20mm). The VLS4012CX-2R2M-1 provides higher current rating and lower DC resistance, making it electrically superior while maintaining mechanical compatibility.

Q: What is the difference between VLS4012CX-2R2M-1 and VLS4012ET-2R2M?

A: Both are TDK Corporation 2.2 µH shielded inductors with identical physical dimensions and compliance ratings. VLS4012CX-2R2M-1 offers higher current rating (2.56 A vs. 1.7 A) and lower DC resistance (74 mOhm vs. 81 mOhm). VLS4012CX-2R2M-1 is Active status; VLS4012ET-2R2M is Not For New Designs status.

Q: Are the physical footprints identical across all three parts?

A: Yes. All three parts share identical surface mount dimensions of 4.00mm x 4.00mm with maximum seated height of 1.20mm, ensuring direct PCB layout compatibility without redesign.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. Both VLS4012CX-2R2M-1 and VLS4012ET-2R2M are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original part's environmental compliance certifications.

Q: Which substitute should be selected for new product designs?

A: VLS4012CX-2R2M-1 is the recommended choice for new designs due to its Active product status, ensuring sustained manufacturing support and supply availability. VLS4012ET-2R2M is classified as Not For New Designs and should be reserved for sustaining production of existing products only.