SC-03-67J Common Mode Choke Equivalent & Substitute Parts

Part Overview

The SC-03-67J is a through-hole common mode choke manufactured by KEMET, designed for power line filtering applications. This component features 6.7 mH inductance at 100 kHz with a 3A current rating and is classified as Active product status. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the allowed parameter ranges for this product category.

Substiute Parts

SC-03-67J

KEMETIn Stock: 1154SC-03-67J Datasheet

Current PartRFQ

SC-03-30J

KEMETIn Stock: 1238SC-03-30J Datasheet

Parametric EquivalentRFQ

SC-03-55J

KEMETIn Stock: 1046SC-03-55J Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SC-03-67J are identified from the KEMET SC-J series based on the following substitution criteria:

Maintained Parameters (Required for Substitution):

• Manufacturer: KEMET
• Series: SC-J
• Filter Type: Power Line
• Number of Lines: 2
• Current Rating (Max): 3A
• Voltage Rating - DC: 250V
• Voltage Rating - AC: 250V
• Operating Temperature Range: -40°C to 120°C
• Mounting Type: Through Hole
• Package / Case: Vertical, 4 PC Pin
• RoHS Status: ROHS3 Compliant
• Product Status: Active

Variable Parameters (Allowed to Differ):

• Inductance @ 100 kHz
• DC Resistance (Max)
• Physical dimensions (Length, Width, Height)

The SC-03-67J has two identified substitute parts: SC-03-30J and SC-03-55J. Both maintain all critical electrical and mechanical parameters while offering different inductance values within the SC-J series portfolio.

Parameter Comparison

Engineering Selection Recommendations

All three parts—SC-03-67J, SC-03-30J, and SC-03-55J—maintain Active product status and full ROHS3 compliance. Selection between these components is determined by the required inductance value for the specific application circuit. The SC-03-67J provides the highest inductance at 6.7 mH, while SC-03-55J offers 5.5 mH and SC-03-30J provides 3 mH. DC resistance values remain within acceptable tolerance across all variants (105–110 mOhm maximum). All parts share identical voltage ratings, current capacity, temperature operating range, and mechanical mounting specifications, ensuring direct substitution capability when inductance requirements align.

Frequently Asked Questions (FAQ)

Q: Can SC-03-30J or SC-03-55J be used as direct replacements for SC-03-67J?

A: Direct substitution is possible only if the circuit design accommodates the lower inductance values. SC-03-30J (3 mH) and SC-03-55J (5.5 mH) are electrically and mechanically compatible with SC-03-67J mounting and electrical specifications, but the reduced inductance will affect filtering performance. Application requirements must be verified before substitution.

Q: What are the physical dimension differences between these parts?

A: SC-03-67J measures 0.945" L × 0.787" W × 1.024" H (24.00mm × 20.00mm × 26.00mm). SC-03-30J and SC-03-55J both measure 0.984" L × 0.787" W × 1.063" H (25.00mm × 20.00mm × 27.00mm). These dimensional variations must be evaluated for PCB layout compatibility.

Q: Are all three parts RoHS compliant?

A: Yes. SC-03-67J, SC-03-30J, and SC-03-55J are all ROHS3 compliant and maintain Active product status.

Q: What is the maximum current rating for all substitute parts?

A: All three parts are rated for a maximum continuous current of 3A with identical voltage ratings of 250V DC and 250V AC.

Q: Do these parts share the same operating temperature range?

A: Yes. SC-03-67J, SC-03-30J, and SC-03-55J all operate across the temperature range of -40°C to 120°C.