CDRH62NP-330MC Equivalent & Substitute Parts

Part Overview

The CDRH62NP-330MC is a 33 µH unshielded surface mount inductor manufactured by Sumida America Components Inc. with a current rating of 640 mA and maximum DC resistance of 480mOhm. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design requirements and procurement needs. Active alternative inductors with matching or superior electrical specifications are available from alternative manufacturers.

Substiute Parts

CDRH62NP-330MC

Sumida America Components Inc.In Stock: 1037CDRH62NP-330MC Datasheet

Current PartRFQ

IDCP1813ER330M

Vishay DaleIn Stock: 1157IDCP1813ER330M Datasheet

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SPD62R-333M

API Delevan Inc.In Stock: 6244SPD62R-333M Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CDRH62NP-330MC are selected based on the following critical electrical and mechanical parameters:

Primary Matching Criteria:

• Inductance value: 33 µH (±20% tolerance)
• Current rating: minimum 640 mA
• DC resistance: within acceptable operating limits
• Mounting type: Surface Mount
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Substitution Logic: Two active substitute parts meet the core electrical requirements while offering improved product status and availability:

1. IDCP1813ER330M (Vishay Dale): Matches inductance, current rating, and tolerance. Provides active product status with improved operating temperature range (-25°C to 105°C). Smaller physical footprint (4.50mm x 4.00mm vs. 6.60mm x 6.20mm). DCR specification of 540mOhm remains within acceptable design margins.

2. SPD62R-333M (API Delevan Inc.): Matches inductance and tolerance with superior current rating (820 mA vs. 640 mA). Identical physical dimensions to main part (6.60mm x 6.20mm). Shielded construction provides electromagnetic isolation. Extended operating temperature range (-55°C to 125°C). DCR specification of 500mOhm acceptable. Active product status with high inventory availability.

Parameter Comparison

Engineering Selection Recommendations

For PCB Layout Compatibility: SPD62R-333M is the preferred substitute when physical footprint matching is required. It maintains identical dimensions (6.60mm x 6.20mm x 3.00mm) to the CDRH62NP-330MC, enabling direct board-level replacement without layout modifications.

For Space-Constrained Applications: IDCP1813ER330M offers a compact footprint (4.50mm x 4.00mm) suitable for high-density designs. The reduced size requires PCB layout adjustment but provides design flexibility for future miniaturization.

For Extended Environmental Operating Range: SPD62R-333M supports -55°C to 125°C operation, exceeding the original part's -40°C to 100°C range. This extended specification accommodates automotive and industrial applications with demanding thermal requirements.

For Electromagnetic Isolation Requirements: SPD62R-333M provides shielded construction, reducing radiated emissions and susceptibility to external magnetic fields compared to the unshielded CDRH62NP-330MC.

For Current Margin and Reliability: SPD62R-333M delivers 820 mA current rating, providing 28% design margin above the original 640 mA specification, enhancing thermal stability and component longevity.

Both substitute parts carry active product status, ROHS3 compliance, and MSL 1 rating, ensuring regulatory compliance and long-term supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can IDCP1813ER330M replace CDRH62NP-330MC in existing designs without modification?

A: IDCP1813ER330M matches all critical electrical parameters (33 µH, 640 mA, ±20% tolerance, ROHS3 compliant). However, its smaller footprint (4.50mm x 4.00mm vs. 6.60mm x 6.20mm) requires PCB layout modification. Electrical substitution is valid; physical board redesign is necessary.

Q: What is the primary advantage of SPD62R-333M over the original CDRH62NP-330MC?

A: SPD62R-333M maintains identical physical dimensions, enabling direct PCB replacement. It provides superior current rating (820 mA vs. 640 mA), extended operating temperature range (-55°C to 125°C vs. -40°C to 100°C), shielded construction for EMI reduction, and active product status with established supply chain availability.

Q: Are there DC resistance differences that affect circuit performance?

A: The main part specifies 480mOhm maximum DCR. IDCP1813ER330M specifies 540mOhm, and SPD62R-333M specifies 500mOhm. These variations (60mOhm and 20mOhm respectively) represent 12.5% and 4.2% increases. Circuit impact depends on application sensitivity to resistive losses. For low-power signal filtering, differences are negligible. For high-current power delivery, SPD62R-333M's lower DCR is advantageous.

Q: Does shielding in SPD62R-333M affect circuit behavior?

A: Shielding reduces radiated emissions and external magnetic field coupling. In noise-sensitive applications, shielding improves signal integrity. In applications where the original unshielded design was intentional, shielding introduces no functional degradation and provides additional EMI immunity.

Q: What packaging format is available for production quantities?

A: Both substitute parts are supplied in Tape & Reel (TR) format, standard for automated assembly processes. This packaging format is compatible with standard pick-and-place equipment used in high-volume manufacturing.

Q: Are all three parts RoHS3 compliant?

A: Yes. CDRH62NP-330MC, IDCP1813ER330M, and SPD62R-333M all carry ROHS3 Compliant status, meeting EU Directive 2011/65/EU requirements for restricted hazardous substances.

Q: What is the moisture sensitivity implication of MSL 1 rating?

A: MSL 1 (Unlimited) indicates unlimited shelf life without moisture bake-out requirements. All three parts can be stored indefinitely at standard warehouse conditions without special humidity control or pre-reflow baking procedures.