SC2220-R10 Equivalent & Substitute Parts

Part Overview

The SC2220-R10 is a 100 nH unshielded wirewound inductor manufactured by Signal Transformer, rated for 7.8 A continuous current with a maximum DC resistance of 9.8 mOhm. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part operates across the industrial temperature range of -40°C to 125°C and is fully RoHS3 compliant.

Substiute Parts

SC2220-R10

Signal TransformerIn Stock: 706SC2220-R10 Datasheet

Current PartRFQ

0410CDMCCDS-R10MC

Sumida America Components Inc.In Stock: 30950410CDMCCDS-R10MC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SC2220-R10 is determined by the following critical parameters:

• Inductance Value: 100 nH (primary electrical requirement)
• Current Rating: Minimum 7.8 A continuous current capability
• DC Resistance: Lower DCR values improve efficiency and reduce thermal dissipation
• Saturation Current: Must support the application's peak current demands
• Mounting Type: Surface mount compatibility required
• Operating Temperature Range: Must encompass -40°C to 125°C minimum
• Compliance: RoHS3 and REACH compliance maintained

The 0410CDMCCDS-R10MC from Sumida America Components Inc. meets these substitution criteria with equivalent inductance and superior electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 0410CDMCCDS-R10MC is the qualified substitute for the obsolete SC2220-R10. Selection is based on the following engineering criteria:

Electrical Compatibility: Both parts maintain 100 nH inductance at the specified test frequency. The substitute provides superior current handling (14 A vs. 7.8 A) and lower DC resistance (5.8 mOhm vs. 9.8 mOhm), resulting in reduced power dissipation and improved thermal performance.

Compliance Status: The substitute maintains full RoHS3 compliance and REACH unaffected status, ensuring regulatory continuity. The active product status of the substitute ensures long-term availability and supply chain stability.

Temperature Range: The substitute extends the lower operating temperature limit to -55°C, providing broader environmental coverage while maintaining the upper limit at 125°C.

Mechanical Considerations: Both parts are surface mount components with nonstandard packages. Physical dimensions differ (4.40mm x 4.20mm x 1.00mm for substitute vs. 6.00mm x 5.30mm x 5.00mm for original), requiring PCB layout verification during implementation.

Frequently Asked Questions (FAQ)

Q: Can the 0410CDMCCDS-R10MC directly replace the SC2220-R10 without circuit modification?

A: Electrical substitution is valid based on inductance value and current rating. However, PCB layout changes are required due to different package dimensions. The substitute's shielded design may alter electromagnetic coupling characteristics in the circuit; verify through functional testing in the target application.

Q: What is the significance of the lower DC resistance in the substitute part?

A: The 0410CDMCCDS-R10MC exhibits 5.8 mOhm maximum DCR compared to 9.8 mOhm in the original. This 41% reduction in resistance decreases I²R losses, reducing thermal dissipation and improving overall circuit efficiency. This is particularly beneficial in high-current applications.

Q: Does the shielded design of the substitute affect circuit performance?

A: Shielding reduces electromagnetic radiation and susceptibility to external interference. In applications where the original unshielded design was intentional, the shielded substitute may alter circuit behavior. Electromagnetic compatibility testing is recommended for sensitive applications.

Q: Are there inventory considerations for this substitution?

A: The original SC2220-R10 is obsolete with limited remaining stock (648 pcs). The substitute 0410CDMCCDS-R10MC is active with robust inventory availability (3061 pcs), ensuring reliable long-term supply for production and design updates.

Q: What is the impact of the tighter inductance tolerance in the substitute?

A: The substitute provides ±20% tolerance versus ±30% for the original. This tighter tolerance improves circuit predictability and reduces design margin requirements, particularly in applications sensitive to inductance variation.