CDH53-680JC Equivalent & Substitute Parts

Part Overview

The CDH53-680JC is a 68 µH unshielded drum core wirewound inductor manufactured by Sumida America Components Inc., rated for 450 mA with a maximum DC resistance of 1.21Ohm. This surface mount component operates across the temperature range of -30°C to 100°C and is currently classified as obsolete. Due to its obsolete status, identifying equivalent substitute parts is essential for ongoing design support, production continuity, and component procurement. The CDH53 series provides a direct path to active alternatives that maintain electrical and mechanical compatibility.

Substiute Parts

CDH53-680JC

Sumida America Components Inc.In Stock: 920CDH53-680JC Datasheet

Current PartRFQ

CDH53NP-680JC

Sumida America Components Inc.In Stock: 974CDH53NP-680JC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CDH53-680JC is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Inductance value: 68 µH at 1 kHz test frequency
• Tolerance: ±5%
• Current rating: 450 mA minimum
• DC resistance: 1.21Ohm maximum
• Core material: Ferrite
• Shielding configuration: Unshielded

Mechanical Equivalence Criteria:

• Mounting type: Surface Mount
• Physical footprint: 6.00mm x 5.20mm
• Height: 3.20mm maximum seated height
• Package compatibility: Nonstandard form factor

The CDH53NP-680JC qualifies as a direct substitute because it maintains identical electrical specifications and physical dimensions while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: CDH53NP-680JC

The CDH53NP-680JC is the direct equivalent substitute for the obsolete CDH53-680JC. Selection of this substitute is based on the following engineering factors:

Product Status: The CDH53NP-680JC maintains active product status with Sumida America Components Inc., ensuring ongoing availability and manufacturing support. The original CDH53-680JC is classified as obsolete, making the CDH53NP-680JC the appropriate transition path for new designs and production continuity.

Electrical Compatibility: All critical electrical parameters are identical between the main part and substitute: 68 µH inductance at ±5% tolerance, 450 mA current rating, and 1.21Ohm maximum DC resistance. These specifications ensure direct functional equivalence in circuit applications.

Mechanical Compatibility: Physical dimensions and mounting characteristics are identical, enabling direct PCB footprint compatibility without layout modifications. Both components use surface mount technology with identical 6.00mm x 5.20mm footprints and 3.20mm maximum height.

Compliance Improvement: The CDH53NP-680JC achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This upgrade supports modern regulatory requirements and supply chain standards.

Temperature Range Extension: The substitute part extends the lower operating temperature limit from -30°C to -40°C, providing enhanced performance in cold environment applications while maintaining the upper limit of 100°C.

Packaging Advantage: The CDH53NP-680JC is supplied in Tape & Reel (TR) packaging, which is standard for automated assembly processes and improves handling efficiency compared to nonstandard packaging.

Frequently Asked Questions (FAQ)

Q: Can CDH53NP-680JC be used as a direct replacement for CDH53-680JC in existing designs?

A: Yes. The CDH53NP-680JC is electrically and mechanically equivalent to the CDH53-680JC. All critical parameters—inductance, current rating, DC resistance, core material, shielding, and physical dimensions—are identical. The substitute can be used without circuit modifications or performance degradation.

Q: What is the difference between the CDH53-680JC and CDH53NP-680JC?

A: The primary differences are product status, compliance certification, and packaging. The CDH53-680JC is obsolete and RoHS non-compliant, while the CDH53NP-680JC is active and ROHS3 compliant. The substitute also extends the lower operating temperature to -40°C and uses standard Tape & Reel packaging instead of nonstandard packaging.

Q: Are there any circuit performance differences between these parts?

A: No. Both parts are specified with identical inductance (68 µH at 1 kHz), tolerance (±5%), current rating (450 mA), and DC resistance (1.21Ohm maximum). Circuit performance is equivalent.

Q: Does the extended temperature range of CDH53NP-680JC affect compatibility?

A: No. The extended lower temperature limit (-40°C versus -30°C) represents an improvement that does not affect compatibility. Applications operating within the original -30°C to 100°C range will function identically with either part.

Q: Is the Tape & Reel packaging of CDH53NP-680JC compatible with existing assembly processes?

A: Yes. Tape & Reel (TR) packaging is the standard format for automated surface mount assembly. If the original design used nonstandard packaging, the TR format of the substitute is compatible with modern pick-and-place equipment and improves assembly efficiency.

Q: What is the significance of ROHS3 compliance on the CDH53NP-680JC?

A: ROHS3 compliance indicates the part meets current European Union Restriction of Hazardous Substances regulations. This certification is required for many commercial and industrial applications and supports supply chain compliance requirements. The original CDH53-680JC does not carry this certification.

Q: Can I mix CDH53-680JC and CDH53NP-680JC in the same production batch?

A: While both parts are electrically and mechanically equivalent, mixing different part numbers in production is not recommended from a traceability and quality control perspective. Use a single part number per production lot.

Q: What inventory status should I expect for CDH53NP-680JC?

A: The CDH53NP-680JC is an active product with current manufacturing support. Inventory availability is typically higher than obsolete parts. Verify current stock levels with your supplier for procurement planning.