CDH53-2R2MC Equivalent & Substitute Parts

Part Overview

The CDH53-2R2MC is a 2.2 µH unshielded drum core wirewound inductor manufactured by Sumida America Components Inc. This surface mount component is rated for 2.03 A continuous current with a maximum DC resistance of 66 mOhm and operates across the temperature range of -30°C to 100°C. The part is currently classified as obsolete, which necessitates identification of equivalent substitute components for ongoing design support and procurement continuity. The CDH53 series provides ferrite core construction suitable for applications requiring compact, high-frequency inductance in nonstandard package configurations.

Substiute Parts

CDH53-2R2MC

Sumida America Components Inc.In Stock: 1036CDH53-2R2MC Datasheet

Current PartRFQ

CDH53NP-2R2MC

Sumida America Components Inc.In Stock: 2471CDH53NP-2R2MC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CDH53-2R2MC is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Inductance value: 2.2 µH (±20% tolerance)
• Current rating: 2.03 A minimum
• DC resistance: 66 mOhm maximum
• Core material: Ferrite
• Shielding configuration: Unshielded

Mechanical Equivalence Criteria:

• Mounting type: Surface mount
• Physical footprint: 6.00 mm × 5.20 mm
• Maximum seated height: 3.20 mm
• Package classification: Nonstandard

Environmental & Compliance Criteria:

• Operating temperature range must encompass or match the original specification
• Moisture sensitivity level: 1 (Unlimited)

The substitute part CDH53NP-2R2MC meets all electrical and mechanical equivalence requirements while offering improved product status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The CDH53NP-2R2MC is the direct equivalent substitute for the obsolete CDH53-2R2MC. Selection of this substitute is supported by the following engineering factors:

Electrical Compatibility: All critical electrical parameters—inductance, current rating, DC resistance, and core material—are identical between the main part and substitute. The inductance test frequency of 7.96 MHz is maintained, ensuring consistent performance in high-frequency applications.

Mechanical Compatibility: Physical dimensions and mounting characteristics are identical, confirming direct footprint compatibility on existing PCB layouts. The nonstandard package dimensions are preserved in the substitute part.

Product Status: The substitute part CDH53NP-2R2MC carries an active product status, ensuring long-term availability and supply chain continuity. The main part CDH53-2R2MC is classified as obsolete, making the substitute the appropriate choice for new designs and ongoing production.

Regulatory Compliance: The substitute part is ROHS3 compliant, addressing modern regulatory requirements. The main part is RoHS non-compliant. Both parts maintain identical moisture sensitivity levels and ECCN/HTSUS classifications.

Temperature Performance: The substitute part extends the lower operating temperature limit to -40°C, providing enhanced performance margin compared to the main part's -30°C minimum. The upper temperature limit of 100°C remains unchanged.

Packaging Availability: The substitute is available in standard Tape & Reel (TR) packaging, improving procurement efficiency compared to the nonstandard packaging designation of the main part.

Frequently Asked Questions (FAQ)

Q: Can CDH53NP-2R2MC be used as a direct replacement for CDH53-2R2MC in existing designs?

A: Yes. The CDH53NP-2R2MC is electrically and mechanically identical to the CDH53-2R2MC across all specified parameters. Inductance, current rating, DC resistance, physical dimensions, and mounting type are identical. Direct substitution is supported without circuit redesign.

Q: What is the difference between the two part numbers?

A: The primary differences are product status and compliance. The CDH53-2R2MC is obsolete and RoHS non-compliant. The CDH53NP-2R2MC is active, ROHS3 compliant, and available in standard Tape & Reel packaging. The "NP" designation in the substitute part number indicates the updated product variant.

Q: Are there any temperature performance differences?

A: The substitute part CDH53NP-2R2MC extends the minimum operating temperature to -40°C, compared to -30°C for the main part. The maximum operating temperature of 100°C is identical. This represents an improvement in low-temperature performance margin.

Q: What packaging formats are available for each part?

A: The CDH53-2R2MC is supplied in nonstandard packaging. The CDH53NP-2R2MC is available in Tape & Reel (TR) format, which is the standard automated assembly packaging. Tape & Reel packaging improves handling efficiency and reduces component damage during manufacturing.

Q: Are the moisture sensitivity levels the same?

A: Yes. Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. Storage and handling requirements are identical.

Q: Why should I transition from CDH53-2R2MC to CDH53NP-2R2MC?

A: The main part is obsolete, creating supply risk. The substitute is active with confirmed inventory availability. Additionally, the substitute offers ROHS3 compliance, extended temperature range, and standard packaging, making it the appropriate choice for new designs and production continuity.

Q: Are there any electrical performance differences in high-frequency applications?

A: No. Both parts are tested at 7.96 MHz and maintain identical inductance values and DC resistance specifications at this frequency. High-frequency performance is equivalent.

Q: Can I mix inventory of both parts in production?

A: Yes. The parts are electrically and mechanically equivalent. However, transitioning fully to CDH53NP-2R2MC is recommended to eliminate obsolescence risk and ensure consistent compliance status across production batches.