SC-03-06G Common Mode Choke Equivalent & Substitute Parts

Part Overview

The SC-03-06G is a 600 µH Common Mode Choke (CMC) manufactured by KEMET, designed for power line filtering applications. This through-hole component operates at 3A maximum current with a DC resistance of 30mOhm and is rated for 250V DC/AC operation across an extended temperature range of -40°C to 105°C. The part is currently active in production with full ROHS3 compliance and REACH unaffected status. Substitute parts are identified when equivalent electrical and mechanical parameters allow direct replacement in circuit applications while maintaining performance specifications.

Substiute Parts

SC-03-06G

KEMETIn Stock: 1556SC-03-06G Datasheet

Current PartRFQ

SC-03-10G

KEMETIn Stock: 3871SC-03-10G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SC-03-06G are identified based on strict parameter compatibility within the KEMET SC-G series. The substitution logic is based on the following critical parameters:

Mandatory Matching Parameters:

• Number of Lines: 2 (dual-line common mode choke configuration)
• Mounting Type: Through Hole (identical PCB integration)
• Physical Dimensions: 17.50mm Dia x 14.00mm W (same footprint)
• Package Type: Vertical, No Base, 4 PC Pin (identical pin configuration)
• Voltage Rating: 250V DC/AC minimum (electrical safety requirement)
• Operating Temperature Range: -40°C to 105°C (thermal compatibility)
• Series: SC-G (same product family)

Allowable Parameter Variations:

• Inductance @ 100 kHz: Higher values permitted (600 µH baseline)
• Current Rating: Equal or higher ratings permitted (3A baseline)
• DC Resistance: Slight increases permitted within application tolerance

The SC-03-10G qualifies as a parametric equivalent because it maintains all mandatory matching parameters while offering increased inductance (1 mH) and current capability within the same physical package and electrical rating envelope.

Parameter Comparison

Engineering Selection Recommendations

SC-03-06G Selection Criteria: The SC-03-06G is appropriate for applications requiring 600 µH inductance at 100 kHz with 3A current capacity and 30mOhm maximum DC resistance. This part maintains active production status with full ROHS3 compliance and REACH unaffected designation, ensuring regulatory compliance and supply chain continuity.

SC-03-10G Selection Criteria: The SC-03-10G serves as a direct substitute when higher inductance filtering (1 mH @ 100 kHz) is acceptable within the circuit design. The increased inductance provides enhanced common mode noise attenuation. The 35mOhm DC resistance remains within acceptable limits for most power line filtering applications. This part also maintains active production status with identical ROHS3 compliance and REACH unaffected status.

Substitution Feasibility: Both parts share identical physical dimensions, pin configurations, voltage ratings, temperature operating range, and compliance certifications. The SC-03-10G can replace the SC-03-06G in through-hole PCB applications without requiring layout modifications or mechanical redesign. Selection between these parts depends solely on the required inductance value for the specific filtering application.

Frequently Asked Questions (FAQ)

Q: Can SC-03-10G replace SC-03-06G in existing designs? A: Yes. Both parts share identical physical dimensions (17.50mm Dia x 14.00mm W), pin configuration (Vertical, No Base, 4 PC Pin), voltage ratings (250V DC/AC), current rating (3A), and operating temperature range (-40°C to 105°C). Direct PCB substitution is possible without layout changes.

Q: What is the difference in DC resistance between these parts? A: SC-03-06G has 30mOhm maximum DC resistance, while SC-03-10G has 35mOhm maximum. The 5mOhm difference is a minor variation associated with the higher inductance value in the SC-03-10G.

Q: Are both parts RoHS compliant? A: Yes. Both SC-03-06G and SC-03-10G are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What determines whether SC-03-10G can substitute for SC-03-06G? A: Substitution is determined by matching the mandatory parameters: 2-line configuration, through-hole mounting, identical physical footprint, 250V voltage rating, 3A current capacity, and -40°C to 105°C operating temperature. The SC-03-10G meets all these requirements. The higher inductance value (1 mH vs 600 µH) is an allowable variation that typically improves filtering performance.

Q: Are there inventory considerations for these parts? A: SC-03-06G has 1448 pieces in stock, while SC-03-10G has 3836 pieces in stock. Both are listed as new original inventory.

Q: Can SC-03-06G be used where SC-03-10G is specified? A: No. SC-03-06G provides lower inductance (600 µH vs 1 mH) and would not meet filtering requirements specified for the SC-03-10G. Substitution in this direction is not valid.