SC-15-100 Common Mode Choke Equivalent & Substitute Parts

Part Overview

The SC-15-100 is a 1 mH common mode choke manufactured by KEMET, designed for power line filtering applications. This through-hole component operates at 15A maximum current with a DC resistance of 12 mOhm and is rated for 250V DC/AC operation across an operating temperature range of -40°C to 105°C. The part maintains Active product status and is ROHS3 compliant.

Substitute parts are identified when design requirements permit variations in inductance value, current rating, or frequency specification while maintaining compatibility with the core application parameters: 2-line configuration, through-hole mounting, horizontal orientation, and voltage/temperature ratings.

Substiute Parts

SC-15-100

KEMETIn Stock: 1042SC-15-100 Datasheet

Current PartRFQ

SC-15-230

KEMETIn Stock: 980SC-15-230 Datasheet

Parametric EquivalentRFQ

SC-18-180

KEMETIn Stock: 959SC-18-180 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SC-15-100 are qualified based on the following substitution criteria:

Core Compatibility Requirements (Non-Negotiable):

• 2-line common mode choke configuration
• Through-hole mounting type
• Horizontal orientation with 4-pin package
• 250V DC and 250V AC voltage ratings
• Operating temperature range of -40°C to 105°C
• ROHS3 compliance

Variable Parameters Permitting Substitution:

• Inductance value (1 mH to 2.3 mH range at specified frequency)
• Current rating (15A to 18A)
• DC resistance (11 mOhm to 13 mOhm)
• Measurement frequency (1 kHz to 100 kHz)
• Physical dimensions (within through-hole footprint compatibility)

The SC-15-100 substitutes are limited to KEMET SC series components that maintain identical electrical ratings and mechanical form factors while permitting inductance and current variations within the power line filtering application envelope.

Parameter Comparison

Engineering Selection Recommendations

SC-15-230 Substitution Basis: The SC-15-230 maintains identical current rating (15A) and voltage specifications (250V DC/AC) as the SC-15-100. This part increases inductance to 2.3 mH at 100 kHz while introducing a marginal increase in DC resistance (13 mOhm versus 12 mOhm). Physical dimensions increase slightly (50.00 mm diameter, 30.00 mm height versus 49.00 mm and 27.00 mm). Both parts are Active status, ROHS3 compliant, and operate across the identical temperature range. Selection of SC-15-230 is appropriate when circuit design permits higher inductance values.

SC-18-180 Substitution Basis: The SC-18-180 increases current rating to 18A while reducing DC resistance to 11 mOhm. Inductance is specified as 1.8 mH at 1 kHz (versus 1 mH at 100 kHz for the main part). Voltage ratings, temperature range, and compliance certifications remain identical. Physical dimensions match SC-15-230 specifications. Selection of SC-18-180 is appropriate when circuit design requires higher current capacity or lower DC resistance characteristics.

All substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can SC-15-230 be used as a direct replacement for SC-15-100?

A: SC-15-230 is a parametric equivalent within the KEMET SC series. Both parts share identical current rating (15A), voltage ratings (250V DC/AC), operating temperature range (-40°C to 105°C), and mounting configuration (through-hole, 2-line, horizontal). The primary difference is inductance value: SC-15-230 provides 2.3 mH at 100 kHz compared to 1 mH at 100 kHz. Physical dimensions increase marginally (50.00 mm diameter and 30.00 mm height versus 49.00 mm and 27.00 mm). Substitution is valid when circuit design permits the higher inductance specification.

Q: What is the difference between SC-15-100 and SC-18-180?

A: SC-18-180 differs in three key parameters: current rating increases from 15A to 18A, DC resistance decreases from 12 mOhm to 11 mOhm, and inductance is specified as 1.8 mH at 1 kHz (versus 1 mH at 100 kHz). Voltage ratings, temperature range, and mounting type remain identical. Physical dimensions of SC-18-180 match SC-15-230 (50.00 mm diameter, 30.00 mm height). Selection of SC-18-180 is appropriate for applications requiring higher current capacity or lower resistance characteristics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. SC-15-100, SC-15-230, and SC-18-180 are all ROHS3 compliant. All three parts maintain identical regulatory compliance status.

Q: Do the substitute parts fit the same PCB footprint?

A: SC-15-100 has a diameter of 49.00 mm and height of 27.00 mm. SC-15-230 and SC-18-180 both have a diameter of 50.00 mm and height of 30.00 mm. While all three parts use through-hole, 4-pin horizontal mounting, the dimensional increase of 1.00 mm in diameter and 3.00 mm in height must be verified against PCB layout constraints before substitution.

Q: What is the operating temperature range for all substitute parts?

A: All three parts operate across the identical temperature range of -40°C to 105°C.

Q: Are there inventory considerations for these substitute parts?

A: SC-15-100 has 1031 pieces in stock, SC-15-230 has 913 pieces in stock, and SC-18-180 has 939 pieces in stock. All parts are listed as New Original In Stock.