CDR125-271MC Equivalent & Substitute Parts

Part Overview

The CDR125-271MC is a 270 µH shielded surface mount inductor manufactured by Sumida America Components Inc. designed for applications requiring fixed inductance with moderate current handling capability. This component features a 630 mA current rating, 700mOhm maximum DC resistance, and operates across a temperature range of -25°C to 70°C.

The CDR125-271MC is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing production requirements, field repairs, and design continuity for systems currently utilizing this inductor.

Substiute Parts

CDR125-271MC

Sumida America Components Inc.In Stock: 758CDR125-271MC Datasheet

Current PartRFQ

CDR125NP-271MC

Sumida America Components Inc.In Stock: 1098CDR125NP-271MC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CDR125-271MC is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Inductance value: 270 µH
• Inductance tolerance: -15%, +20%
• Current rating: 630 mA minimum
• DC resistance: 700mOhm maximum
• Self-resonant frequency: 4.37 MHz

Mechanical Parameters:

• Shielding: Shielded construction required
• Mounting type: Surface mount
• Package dimensions: 12.60mm L x 11.60mm W x 5.90mm H (max seated height)
• Nonstandard package / case classification

Environmental Parameters:

• Moisture sensitivity level: 1 (Unlimited)

Substitute parts must match all electrical specifications, maintain identical physical dimensions and mounting characteristics, and preserve shielding properties. The CDR125NP-271MC satisfies all substitution criteria through identical electrical ratings and mechanical form factor while offering enhanced product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The CDR125NP-271MC is a direct electrical and mechanical equivalent to the CDR125-271MC. Both components are manufactured by Sumida America Components Inc. within the CDR125 series and share identical inductance, current rating, DC resistance, shielding characteristics, and physical dimensions.

Product Status Consideration: The CDR125-271MC is classified as obsolete, whereas the CDR125NP-271MC maintains active product status. Selection of the active substitute part ensures continued availability and manufacturing support.

Compliance Consideration: The CDR125NP-271MC is ROHS3 compliant, whereas the CDR125-271MC is RoHS non-compliant. Applications subject to RoHS regulatory requirements must utilize the CDR125NP-271MC.

Operating Temperature Range: The CDR125NP-271MC operates across -40°C to 100°C, exceeding the -25°C to 70°C range of the CDR125-271MC. This extended range provides additional thermal margin for applications operating at temperature extremes.

Packaging Format: The CDR125-271MC is supplied in bulk packaging, while the CDR125NP-271MC is supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for automated assembly processes and provides improved component protection during handling and storage.

Frequently Asked Questions (FAQ)

Q: Can the CDR125NP-271MC be used as a direct replacement for the CDR125-271MC in existing designs?

A: Yes. The CDR125NP-271MC is electrically and mechanically equivalent to the CDR125-271MC. Both components feature identical inductance (270 µH), current rating (630 mA), DC resistance (700mOhm max), shielding, and physical dimensions (12.60mm x 11.60mm x 5.90mm max height). Direct substitution is supported without circuit modification.

Q: What is the difference between the CDR125-271MC and CDR125NP-271MC part numbers?

A: The primary differences are product status and compliance certifications. The CDR125-271MC is obsolete and RoHS non-compliant. The CDR125NP-271MC is an active product that is ROHS3 compliant. The "NP" designation in the part number indicates the newer, compliant variant. Electrical and mechanical specifications are identical.

Q: Does the extended operating temperature range of the CDR125NP-271MC affect circuit performance?

A: The CDR125NP-271MC operates across -40°C to 100°C compared to the CDR125-271MC range of -25°C to 70°C. The extended range does not alter performance within the original operating window. Applications requiring operation beyond -25°C to 70°C benefit from the expanded thermal capability of the substitute part.

Q: Is Tape & Reel packaging compatible with my assembly process?

A: Tape & Reel (TR) packaging is the standard format for automated surface mount assembly equipment. If your manufacturing process uses automated pick-and-place systems, Tape & Reel packaging is compatible and preferred. Bulk packaging is typically used for manual assembly or low-volume operations. Confirm your assembly process requirements with your manufacturing partner.

Q: Are there any electrical performance differences between these two inductors?

A: No. Both the CDR125-271MC and CDR125NP-271MC share identical electrical specifications: 270 µH inductance with -15%, +20% tolerance, 630 mA current rating, 700mOhm maximum DC resistance, 4.37 MHz self-resonant frequency, and shielded construction. Electrical performance is equivalent.

Q: What is the moisture sensitivity level, and does it affect storage or handling?

A: Both components are classified as Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity. These inductors do not require special moisture control during storage, handling, or assembly. Standard component storage conditions are appropriate.

Q: Can I mix CDR125-271MC and CDR125NP-271MC components in the same production batch?

A: Yes, from an electrical and mechanical standpoint, both components are equivalent and can be used interchangeably. However, if RoHS compliance is a requirement for your final product, all components must be ROHS3 compliant. In this case, use only the CDR125NP-271MC to ensure consistent compliance across all units.