VLS2010ET-3R3M Equivalent & Substitute Parts

Part Overview

The VLS2010ET-3R3M is a 3.3 µH shielded wirewound inductor manufactured by TDK Corporation, rated for 830 mA maximum current with 348 mOhm DC resistance. This component is classified as Not For New Designs, indicating it has been superseded in TDK's product portfolio. Finding equivalent or substitute parts is necessary for applications requiring continued support, inventory replenishment, or design transitions to active product lines while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Inductance	3.3 µH
Inductance Tolerance	±20%
Current Rating (Amps)	830 mA
Current - Saturation (Isat)	830 mA
DC Resistance (DCR)	348 mOhm Max
Shielding	Shielded
Operating Temperature Range	-40°C ~ 105°C
Inductance Frequency - Test	1 MHz
Mounting Type	Surface Mount
Size / Dimension	0.079" L x 0.079" W (2.00mm x 2.00mm)
Height - Seated (Max)	0.039" (1.00mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the VLS2010ET-3R3M is determined by the following critical parameters:

Inductance Value: Must be 3.3 µH with ±20% tolerance to maintain circuit performance
Current Rating: Substitute must support minimum 830 mA; higher ratings are acceptable
DC Resistance (DCR): Must not exceed 348 mOhm to ensure equivalent power dissipation characteristics
Shielding: Must be shielded to maintain electromagnetic compatibility
Operating Temperature Range: Must cover -40°C ~ 105°C minimum
Mounting Type: Must be Surface Mount compatible
RoHS & Compliance: Must maintain ROHS3 compliance and REACH unaffected status

The VLS201610CX-3R3M-1 qualifies as a manufacturer-recommended substitute because it meets or exceeds all critical parameters while offering improved current handling (1.2 A vs. 830 mA) and lower DC resistance (253 mOhm vs. 348 mOhm). The substitute maintains identical inductance value, shielding type, temperature range, and compliance certifications.

Parameter Comparison

Parameter	VLS2010ET-3R3M (Main Part)	VLS201610CX-3R3M-1 (Substitute)
Manufacturer	TDK Corporation	TDK Corporation
Inductance	3.3 µH	3.3 µH
Inductance Tolerance	±20%	±20%
Current Rating (Amps)	830 mA	1.2 A
Current - Saturation (Isat)	830 mA	1.01 A
DC Resistance (DCR)	348 mOhm Max	253 mOhm Max
Shielding	Shielded	Shielded
Type	Wirewound	Drum Core, Wirewound
Operating Temperature Range	-40°C ~ 105°C	-40°C ~ 105°C
Inductance Frequency - Test	1 MHz	1 MHz
Mounting Type	Surface Mount	Surface Mount
Size / Dimension	0.079" L x 0.079" W (2.00mm x 2.00mm)	0.079" L x 0.063" W (2.00mm x 1.60mm)
Height - Seated (Max)	0.039" (1.00mm)	0.039" (1.00mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Not For New Designs	Active

Engineering Selection Recommendations

The VLS201610CX-3R3M-1 is the designated manufacturer substitute for the VLS2010ET-3R3M. Selection of this substitute is supported by the following factors:

Product Status: The substitute is Active, ensuring continued availability and manufacturing support, whereas the main part is Not For New Designs
Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity
Electrical Performance: The substitute delivers superior electrical characteristics with lower DC resistance (253 mOhm vs. 348 mOhm) and higher current capacity (1.2 A vs. 830 mA), providing design margin without compromising the specified 3.3 µH inductance value
Physical Compatibility: Footprint dimensions are compatible for surface mount applications, with the substitute occupying slightly less width (1.60mm vs. 1.79mm) while maintaining identical height and length specifications
Thermal Consistency: Both parts operate across the identical -40°C ~ 105°C temperature range

Frequently Asked Questions (FAQ)

Q: Can the VLS201610CX-3R3M-1 be used as a direct replacement for the VLS2010ET-3R3M?

A: Yes. The substitute meets all critical electrical parameters: identical 3.3 µH inductance, shielded construction, equivalent temperature range, and superior current handling. Physical dimensions are compatible for surface mount PCB layouts.

Q: What is the difference in DC resistance between these parts?

A: The VLS2010ET-3R3M has a maximum DC resistance of 348 mOhm, while the VLS201610CX-3R3M-1 has a maximum of 253 mOhm. Lower DC resistance in the substitute reduces power dissipation and heat generation in the same application.

Q: Are there any package or footprint considerations?

A: Both parts are surface mount components with identical height (1.00mm max). The substitute is slightly narrower (1.60mm vs. 1.79mm width), which may provide additional PCB layout flexibility. Length remains 2.00mm for both parts.

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

A: This designation indicates the VLS2010ET-3R3M has been superseded in TDK's active product portfolio. The VLS201610CX-3R3M-1 represents the current generation equivalent with improved specifications and ongoing manufacturing support.

Q: Do both parts have the same compliance certifications?

A: Yes. Both the VLS2010ET-3R3M and VLS201610CX-3R3M-1 are ROHS3 compliant and REACH unaffected, ensuring equivalent regulatory compliance for applications requiring these certifications.

Q: What is the saturation current difference?

A: The VLS2010ET-3R3M saturates at 830 mA, while the VLS201610CX-3R3M-1 saturates at 1.01 A. The substitute provides higher saturation headroom for applications operating near maximum current limits.

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