CSHB0540R-3R3M Equivalent & Substitute Parts

Part Overview

The CSHB0540R-3R3M is a shielded molded inductor manufactured by CODACA, classified as a power choke for surface mount applications. This component features a 3.3 µH inductance value with a maximum DC resistance of 24 mOhm and supports a continuous current rating of 8.5 A. The part is actively produced and maintains ROHS3 compliance with unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct functional equivalence in circuit applications.

Substiute Parts

CSHB0540R-3R3M

CODACAIn Stock: 2715CSHB0540R-3R3M Datasheet

Current PartRFQ

CSHB0540R-3R3M

CODACAIn Stock: 2715CSHB0540R-3R3M Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CSHB0540R-3R3M are identified through parametric equivalence matching. The critical parameters that determine substitution eligibility are:

• Inductance Value: 3.3 µH (±20% tolerance)
• Current Rating: 8.5 A continuous, 9 A saturation
• DC Resistance: 24 mOhm maximum
• Shielding Type: Shielded configuration
• Core Material: Magnetic powder
• Mounting Type: Surface mount
• Physical Dimensions: 5.80mm L x 5.20mm W x 4.00mm H maximum
• Operating Temperature Range: -40°C to 125°C
• Compliance: ROHS3 compliant, REACH unaffected

Parts meeting all these electrical and mechanical specifications are classified as parametric equivalents. The CSHB0540R-3R3M series designation indicates a product family with consistent performance characteristics across the specified parameter range.

Parameter Comparison

Engineering Selection Recommendations

The CSHB0540R-3R3M is an active product with full ROHS3 compliance and REACH unaffected status, making it suitable for current production applications. The part maintains unlimited moisture sensitivity rating (MSL 1), eliminating special handling requirements during storage and assembly.

When selecting this component or its equivalents, confirm that the application requirements align with the specified electrical parameters: 3.3 µH inductance at 100 kHz test frequency, 8.5 A continuous current capacity, and 24 mOhm maximum DC resistance. The shielded magnetic powder core design provides electromagnetic containment suitable for noise-sensitive circuit environments.

Surface mount packaging in tape and reel format supports automated assembly processes. The nonstandard package dimensions (5.80mm x 5.20mm x 4.00mm) require verification against PCB footprint designs prior to component procurement.

Frequently Asked Questions (FAQ)

Q: What defines a substitute part for the CSHB0540R-3R3M?

A: A substitute part must match all critical electrical parameters: 3.3 µH inductance (±20% tolerance), 8.5 A current rating, 9 A saturation current, 24 mOhm maximum DC resistance, and shielded magnetic powder core construction. Physical dimensions, mounting type, and compliance certifications must also align with the original specification.

Q: Can the CSHB0540R-3R3M be replaced with a different inductance value?

A: No. The inductance value of 3.3 µH is a primary electrical specification. Substitution requires matching this value within the ±20% tolerance band. Different inductance values alter circuit performance and are not considered equivalent.

Q: What is the significance of the shielded design?

A: The shielded configuration contains electromagnetic fields within the component, reducing coupling to adjacent circuit elements. This characteristic is essential for noise-sensitive applications and must be maintained in any substitute part.

Q: Are there packaging format alternatives for this part?

A: The CSHB0540R-3R3M is supplied in tape and reel (TR) format for automated assembly. Equivalent parts must maintain this packaging format to ensure compatibility with standard pick-and-place equipment.

Q: How does the DC resistance specification affect component selection?

A: The 24 mOhm maximum DC resistance determines power dissipation at rated current. At 8.5 A, maximum dissipation is approximately 1.73 watts. Substitute parts must not exceed this resistance value to maintain thermal performance and circuit efficiency.

Q: What is the operating temperature range for this inductor?

A: The CSHB0540R-3R3M operates across -40°C to 125°C. Applications requiring operation outside this range require alternative components with extended temperature specifications.

Q: Does the MSL 1 rating affect handling procedures?

A: MSL 1 (unlimited) indicates no moisture sensitivity. Standard handling procedures apply without special dry-pack requirements or bake-out procedures prior to assembly.