ELF-17N030A Common Mode Choke Equivalent & Substitute Parts

Part Overview

The ELF-17N030A is a 2-line common mode choke (CMC) designed for through-hole mounting with a maximum current rating of 3A and typical DC resistance of 52mOhm. Manufactured by Panasonic Electronic Components, this component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity.

Substiute Parts

ELF-17N030A

Panasonic Electronic ComponentsIn Stock: 1139ELF-17N030A Datasheet

Current PartRFQ

SS11VL-R30009

KEMETIn Stock: 986SS11VL-R30009 Datasheet

DirectRFQ

B82722J2302N001

EPCOS - TDK ElectronicsIn Stock: 1149B82722J2302N001 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ELF-17N030A are identified based on the following critical parameters that determine functional compatibility:

• Number of Lines: 2 (both substitutes match)
• Current Rating (Max): 3A (both substitutes match)
• Mounting Type: Through Hole (both substitutes match)
• Package / Case: Vertical, 4 PC Pin (both substitutes match)
• DC Resistance (DCR): Range 52–60mOhm (both substitutes within acceptable tolerance)

The two identified substitutes are classified as follows:

Direct Manufacturer Substitute: SS11VL-R30009 (KEMET) — Active product status with specified inductance and voltage ratings.

Similar Manufacturer Substitute: B82722J2302N001 (EPCOS - TDK Electronics) — Active product status with higher inductance specification and extended temperature range.

Parameter Comparison

Engineering Selection Recommendations

SS11VL-R30009 (KEMET) is an active product with ROHS3 compliance and specified electrical characteristics. This substitute maintains the 3A current rating and 60mOhm DCR within acceptable tolerance of the original part. The 900 µH inductance at 1 kHz and 250V AC rating provide defined performance parameters. Physical dimensions differ slightly, requiring PCB layout verification.

B82722J2302N001 (EPCOS - TDK Electronics) is an active product with ROHS3 compliance, extended operating temperature range (-40°C ~ 125°C), and recognized approval agencies (ENEC, UR, VDE). The 1.2 mH inductance at 10 kHz and 56mOhm DCR represent a higher inductance specification. Physical dimensions are larger, particularly in height (25.40mm vs. 22.50mm), requiring board space confirmation.

Both substitutes address the obsolescence of the ELF-17N030A and provide modern compliance certifications. Selection depends on inductance requirements, available board space, and operating temperature constraints specific to the application.

Frequently Asked Questions (FAQ)

Q: Can SS11VL-R30009 and B82722J2302N001 be used interchangeably with ELF-17N030A?

A: Both parts meet the core electrical requirements (2-line configuration, 3A current rating, through-hole mounting, vertical 4-pin package). However, they differ in inductance values and physical dimensions. Interchangeability depends on whether the circuit design specifies inductance tolerance and whether PCB layout accommodates the dimensional variations.

Q: What are the main differences between the two substitutes?

A: SS11VL-R30009 offers 900 µH inductance at 1 kHz with smaller physical dimensions (19.50mm height). B82722J2302N001 provides higher inductance at 1.2 mH at 10 kHz with extended temperature range and larger physical dimensions (25.40mm height). DCR values are comparable (60mOhm vs. 56mOhm).

Q: Are both substitutes RoHS compliant?

A: Yes. Both SS11VL-R30009 and B82722J2302N001 are ROHS3 compliant, whereas the original ELF-17N030A is RoHS non-compliant.

Q: Do the physical dimension differences affect PCB compatibility?

A: Yes. The original part measures 15.00mm x 22.70mm with 22.50mm height. SS11VL-R30009 measures 22.00mm x 14.50mm with 19.50mm height. B82722J2302N001 measures 23.30mm x 16.10mm with 25.40mm height. PCB layout must be verified to accommodate these variations.

Q: What is the significance of different inductance values?

A: Inductance values are specified at different frequencies (900 µH @ 1 kHz for KEMET; 1.2 mH @ 10 kHz for EPCOS). These represent the component's filtering characteristics at those specific frequencies. Circuit performance depends on whether the application requires a specific inductance value at a particular frequency.

Q: Which substitute is recommended for new designs?

A: Selection is based on application requirements. For designs requiring lower inductance and compact dimensions, SS11VL-R30009 is suitable. For designs requiring higher inductance, extended temperature range, and recognized safety certifications, B82722J2302N001 is appropriate.