VLS252012CX-2R2M Equivalent & Substitute Parts

Part Overview

The VLS252012CX-2R2M is a 2.2 µH shielded drum core wirewound inductor manufactured by TDK Corporation, rated for 1.87 A continuous current with 96mOhm maximum DC resistance. This component is designed for surface mount applications in the 1008 (2520 Metric) package format. The part is currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts must maintain electrical compatibility across inductance, current rating, DC resistance, and thermal operating range while preserving mechanical fit within the specified package dimensions.

Substiute Parts

VLS252012CX-2R2M

TDK CorporationIn Stock: 21456VLS252012CX-2R2M Datasheet

Current PartRFQ

BWVH002520122R2M00

Pulse ElectronicsIn Stock: 1181BWVH002520122R2M00 Datasheet

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BWVH002520122R2MH1

Pulse ElectronicsIn Stock: 4946BWVH002520122R2MH1 Datasheet

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BWVH002520122R2T00

Pulse ElectronicsIn Stock: 899BWVH002520122R2T00 Datasheet

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BWVH002520122R2TH1

Pulse ElectronicsIn Stock: 958BWVH002520122R2TH1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the VLS252012CX-2R2M is determined by the following critical parameters:

Mandatory Matching Parameters:

• Inductance value: 2.2 µH
• Package / Case: 1008 (2520 Metric) or compatible footprint
• Mounting Type: Surface Mount
• Shielding: Shielded
• Inductance Test Frequency: 1 MHz

Allowable Variation Parameters:

• Current Rating: Must equal or exceed 1.87 A
• DC Resistance (DCR): Must not exceed 96mOhm (lower values acceptable)
• Inductance Tolerance: ±20% or tighter acceptable; ±30% acceptable with design margin verification
• Operating Temperature Range: Must encompass or extend the -40°C to 105°C range
• Saturation Current (Isat): Must equal or exceed 1.76 A

All four substitute parts (BWVH002520122R2M00, BWVH002520122R2MH1, BWVH002520122R2T00, BWVH002520122R2TH1) from Pulse Electronics meet the mandatory matching criteria. Variations in current rating, DCR, and tolerance are within acceptable engineering substitution parameters for this inductor category.

Parameter Comparison

Engineering Selection Recommendations

All four Pulse Electronics substitute parts are active production components with ROHS3 compliance and MSL 1 rating, matching the environmental and regulatory requirements of the obsolete VLS252012CX-2R2M.

BWVH002520122R2M00: Suitable for applications where current rating of 1.5 A is sufficient. Offers improved DC resistance (80 mOhm versus 96 mOhm maximum) and standard 1008 package. Inductance tolerance of ±20% matches the original specification.

BWVH002520122R2MH1: Suitable for applications requiring higher current capacity (2.0 A rating). Provides saturation current of 2.2 A. Package designation is nonstandard; physical dimensions match 1008 footprint. Inductance tolerance of ±20% matches the original specification.

BWVH002520122R2T00: Suitable for applications where current rating of 1.5 A is sufficient. Offers improved DC resistance (80 mOhm) and standard 1008 package. Inductance tolerance of ±30% requires design margin verification for applications sensitive to inductance variation.

BWVH002520122R2TH1: Suitable for applications requiring current rating of 1.7 A with saturation current of 2.0 A. Provides DC resistance of 99 mOhm (within original maximum). Standard 1008 package. Inductance tolerance of ±30% requires design margin verification.

Extended operating temperature range (-55°C to 125°C) of all substitutes exceeds the original -40°C to 105°C specification, providing additional thermal margin.

Frequently Asked Questions (FAQ)

Q: Can BWVH002520122R2M00 replace VLS252012CX-2R2M in all applications?

A: BWVH002520122R2M00 is suitable where the application current requirement does not exceed 1.5 A. The original part is rated for 1.87 A continuous current. If the circuit requires the full 1.87 A rating, BWVH002520122R2MH1 or BWVH002520122R2TH1 are more appropriate selections.

Q: What is the significance of the nonstandard package designation for BWVH002520122R2MH1?

A: BWVH002520122R2MH1 carries a nonstandard package designation despite having identical physical dimensions (0.098" L x 0.079" W, 2.50mm x 2.00mm) to the standard 1008 package. The physical footprint is compatible with 1008 PCB layouts. Verify with the manufacturer if package designation affects your procurement or assembly specifications.

Q: How do inductance tolerance differences affect substitution?

A: The original VLS252012CX-2R2M specifies ±20% inductance tolerance. BWVH002520122R2M00 and BWVH002520122R2MH1 maintain ±20% tolerance. BWVH002520122R2T00 and BWVH002520122R2TH1 specify ±30% tolerance. For circuits with tight inductance requirements, ±20% tolerance parts are preferred. For ±30% tolerance parts, verify that the application design accommodates the wider inductance variation range.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are supplied in Tape & Reel (TR) format. Three parts (BWVH002520122R2M00, BWVH002520122R2T00, BWVH002520122R2TH1) use standard 1008 (2520 Metric) package designation. BWVH002520122R2MH1 uses nonstandard package designation but maintains identical physical dimensions and footprint compatibility.

Q: What is the height difference between the original and substitute parts?

A: The original VLS252012CX-2R2M has a maximum seated height of 0.047" (1.20mm). All Pulse Electronics substitutes have a maximum seated height of 0.049" (1.25mm), a difference of 0.002" (0.05mm). Verify that PCB clearance and assembly constraints accommodate this minimal height increase.

Q: Do all parts meet the same environmental and compliance standards?

A: All parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. All substitute parts exceed the original operating temperature range, providing -55°C to 125°C capability versus the original -40°C to 105°C specification.