CMLB053T-2R2MS Equivalent & Substitute Parts

Part Overview

The CMLB053T-2R2MS is a 2.2 µH shielded inductor manufactured by Delta Electronics/Cyntec, rated for 6.3 A continuous current with a maximum DC resistance of 29mOhm. This surface mount component operates across the industrial temperature range of -55°C to 125°C and is ROHS3 compliant. The part is currently active in production with 786 units in stock. Equivalent and substitute parts are identified when design requirements permit tolerance of specified parameter variations or when supply chain constraints necessitate alternative sourcing.

Substiute Parts

CMLB053T-2R2MS
Delta Electronics/CyntecIn Stock: 817CMLB053T-2R2MS Datasheet
CMLB053T-2R2MS
Current Part
PA4340.222NLT
Pulse ElectronicsIn Stock: 2024PA4340.222NLT Datasheet
PA4340.222NLT
Similar

Key Parameters

Parameter Value Unit
Inductance 2.2 µH
Inductance Tolerance ±20% -
Current Rating (Continuous) 6.3 A
Current - Saturation (Isat) 6.5 A
DC Resistance (DCR) Maximum 29 mOhm
Shielding Shielded -
Operating Temperature Range -55 to 125 °C
Mounting Type Surface Mount -
Package Type Nonstandard -
Size (L x W) 4.85 x 4.70 mm
Height - Seated (Max) 3.00 mm
RoHS Status ROHS3 Compliant -
Moisture Sensitivity Level (MSL) 1 (Unlimited) -

Substitute Part Grouping Explanation

Substitution of the CMLB053T-2R2MS is permissible when the alternative part meets or exceeds the following critical parameters:

  • Inductance value of 2.2 µH within ±20% tolerance
  • Shielded construction to maintain electromagnetic isolation
  • Surface mount technology with compatible footprint dimensions
  • Current rating sufficient for the application (minimum 6.3 A continuous)
  • DC resistance within acceptable limits for thermal and efficiency requirements
  • Operating temperature range encompassing -55°C to 125°C
  • ROHS3 compliance and MSL rating of 1

The PA4340.222NLT from Pulse Electronics satisfies these substitution criteria with equivalent inductance, shielding, and compliance certifications, though with specified variations in current rating and DC resistance parameters.

Parameter Comparison

Parameter CMLB053T-2R2MS (Main) PA4340.222NLT (Substitute) Compatibility Notes
Manufacturer Delta Electronics/Cyntec Pulse Electronics Different manufacturer
Inductance 2.2 µH 2.2 µH Identical
Inductance Tolerance ±20% ±20% Identical
Current Rating (Continuous) 6.3 A 5.5 A Substitute rated lower; verify application requirements
Current - Saturation (Isat) 6.5 A 9 A Substitute rated higher
DC Resistance (DCR) Maximum 29 mOhm 35 mOhm Substitute has higher resistance; affects thermal performance
Shielding Shielded Shielded Identical
Operating Temperature Range -55 to 125°C -40 to 125°C Substitute has narrower low-temperature range
Mounting Type Surface Mount Surface Mount Identical
Size (L x W) 4.85 x 4.70 mm 6.00 x 5.40 mm Substitute is larger; verify PCB layout compatibility
Height - Seated (Max) 3.00 mm 3.00 mm Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Identical
Product Status Active Active Both in production
Ratings - AEC-Q200 Substitute carries automotive qualification

Engineering Selection Recommendations

Both the CMLB053T-2R2MS and PA4340.222NLT are active production components with ROHS3 compliance and MSL 1 ratings, making them suitable for industrial applications. The PA4340.222NLT carries AEC-Q200 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components.

Selection between these parts depends on application-specific constraints:

  • If continuous current demand exceeds 5.5 A, the CMLB053T-2R2MS is required due to its 6.3 A rating.
  • If operating temperatures below -40°C are required, the CMLB053T-2R2MS is required due to its extended low-temperature range.
  • If PCB layout space is constrained, the CMLB053T-2R2MS is preferred due to its smaller footprint (4.85 x 4.70 mm versus 6.00 x 5.40 mm).
  • If thermal dissipation is critical, the CMLB053T-2R2MS is preferred due to its lower DC resistance (29 mOhm versus 35 mOhm).
  • If automotive qualification is required, the PA4340.222NLT is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can PA4340.222NLT be used as a direct replacement for CMLB053T-2R2MS?

A: Substitution is conditional. The PA4340.222NLT meets inductance, shielding, and compliance requirements. However, the lower continuous current rating (5.5 A versus 6.3 A), higher DC resistance (35 mOhm versus 29 mOhm), narrower operating temperature range (-40 to 125°C versus -55 to 125°C), and larger physical dimensions (6.00 x 5.40 mm versus 4.85 x 4.70 mm) must be evaluated against specific application requirements.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by: inductance value and tolerance, shielding type, continuous current rating, DC resistance, operating temperature range, physical dimensions, and compliance certifications. All substitute parts must maintain the 2.2 µH inductance value, shielded construction, surface mount technology, and ROHS3/MSL 1 compliance.

Q: Does the larger footprint of PA4340.222NLT affect compatibility?

A: Yes. The PA4340.222NLT measures 6.00 x 5.40 mm compared to the CMLB053T-2R2MS at 4.85 x 4.70 mm. PCB layout must be verified to accommodate the larger footprint. Both components maintain identical height (3.00 mm maximum seated).

Q: How does the DC resistance difference impact performance?

A: The PA4340.222NLT has 35 mOhm maximum DC resistance versus 29 mOhm for the CMLB053T-2R2MS. This 6 mOhm difference results in increased resistive losses and thermal dissipation. Applications sensitive to power loss or thermal performance should retain the CMLB053T-2R2MS.

Q: Is the PA4340.222NLT suitable for low-temperature applications?

A: The PA4340.222NLT operates from -40°C to 125°C, which is narrower than the CMLB053T-2R2MS range of -55°C to 125°C. Applications requiring operation below -40°C must use the CMLB053T-2R2MS.

Q: What advantage does AEC-Q200 certification provide?

A: AEC-Q200 certification indicates the PA4340.222NLT meets automotive-grade reliability and qualification standards. This certification is required for automotive applications but is not necessary for general industrial use.

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