CSBX1275-1R0M Equivalent & Substitute Parts

Part Overview

The CSBX1275-1R0M is a high saturation power inductor manufactured by CODACA, designed for surface mount applications requiring low DC resistance and high current handling capability. This shielded wirewound inductor with metal composite core delivers 1 µH inductance at 32 A continuous current rating with saturation current of 68 A. The component is classified as Active product status and is ROHS3 compliant, making it suitable for modern electronic assemblies. Substitute part identification becomes necessary when managing supply chain continuity, addressing inventory constraints, or accommodating design revisions while maintaining electrical and mechanical compatibility.

Substiute Parts

CSBX1275-1R0M

CODACAIn Stock: 1254CSBX1275-1R0M Datasheet

Current PartRFQ

CSBX1275-1R0M

CODACAIn Stock: 1254CSBX1275-1R0M Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CSBX1275-1R0M power inductor is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Inductance value: 1 µH
• Inductance tolerance: ±20%
• Current rating: 32 A continuous
• Saturation current: 68 A
• DC resistance: 1 mOhm maximum

Physical & Mechanical Parameters:

• Core material: Metal Composite
• Shielding: Shielded configuration
• Inductor type: Wirewound
• Mounting: Surface Mount
• Package dimensions: 0.543" L × 0.504" W (13.80mm × 12.80mm)
• Maximum seated height: 0.299" (7.60mm)

Environmental & Compliance Parameters:

• Operating temperature range: −55°C to 150°C
• RoHS3 compliance
• REACH unaffected status
• Moisture sensitivity level: 1 (Unlimited)
• Packaging format: Tape & Reel (TR)

A substitute part must match all parameters listed above to ensure functional and mechanical compatibility within the original application circuit and PCB assembly process.

Parameter Comparison

Engineering Selection Recommendations

The CSBX1275-1R0M maintains Active product status with full ROHS3 compliance and REACH unaffected classification, ensuring regulatory alignment for current and future manufacturing requirements. The component's MSL rating of 1 (Unlimited) eliminates moisture sensitivity constraints during storage and assembly operations. The operating temperature range of −55°C to 150°C accommodates industrial and automotive thermal environments. Selection of substitute inductors must preserve all electrical specifications including the 1 µH inductance value, 32 A current rating, and 68 A saturation current to maintain circuit performance and thermal management characteristics. The nonstandard package geometry and specific dimensional constraints (0.543" × 0.504" × 0.299" maximum height) require exact physical compatibility with PCB footprints and assembly tooling. Tape & Reel packaging ensures compatibility with automated pick-and-place assembly processes.

Frequently Asked Questions (FAQ)

Q: What defines electrical equivalence for the CSBX1275-1R0M inductor?

A: Electrical equivalence requires matching inductance of 1 µH at ±20% tolerance, continuous current rating of 32 A, saturation current of 68 A, and DC resistance not exceeding 1 mOhm. These parameters directly determine circuit performance in power delivery and filtering applications.

Q: Are there mechanical constraints for substitution?

A: Yes. The substitute part must match the nonstandard package dimensions of 0.543" length × 0.504" width (13.80mm × 12.80mm) and maximum seated height of 0.299" (7.60mm). PCB footprints and assembly clearances are designed to these specifications.

Q: Does the shielded wirewound construction affect substitution?

A: Yes. The shielded configuration with metal composite core is essential for EMI suppression and thermal performance. Substitute parts must maintain identical shielding and core material to preserve electromagnetic compatibility and thermal characteristics.

Q: What is the significance of the 100 kHz inductance test frequency?

A: The inductance value of 1 µH is measured and specified at 100 kHz. Substitute parts must be characterized at the same frequency to ensure measurement consistency and circuit performance prediction.

Q: How does the operating temperature range affect part selection?

A: The −55°C to 150°C range defines the thermal environment in which the inductor maintains specified electrical characteristics. Substitute parts must support this identical temperature range for reliable operation across all application conditions.

Q: Why is RoHS3 compliance important for substitution?

A: RoHS3 compliance ensures the component meets current environmental and hazardous substance restrictions. Both the main part and substitute must maintain this certification to satisfy regulatory requirements and customer specifications.

Q: What does MSL 1 (Unlimited) mean for handling and storage?

A: MSL 1 indicates unlimited shelf life without moisture sensitivity constraints. The component does not require special dry-pack storage or baking procedures, simplifying inventory management and reducing handling complexity.

Q: Is Tape & Reel packaging mandatory for substitutes?

A: Yes. Tape & Reel packaging is required for compatibility with automated surface mount assembly equipment. Alternative packaging formats are not acceptable for this application.

Q: Can the CSBX1275-1R0M be substituted with inductors from different manufacturers?

A: Substitution is limited to parts matching all specified electrical, mechanical, and compliance parameters. The provided substitute list contains only parts meeting these strict equivalence criteria.

Q: What is the significance of the nonstandard package classification?

A: The nonstandard package designation indicates this inductor does not conform to industry standard package outlines. Exact dimensional matching is critical; standard package alternatives are not compatible.