RN232-1-02 Common Mode Choke Equivalent & Substitute Parts

Part Overview

The RN232-1-02 is a common mode choke manufactured by Schaffner EMC Inc., rated for 18 mH inductance at 1A current. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and new design implementations. The RN232-1-02-18M serves as the direct equivalent, offering identical electrical performance within the same product family while maintaining active product status.

Substiute Parts

RN232-1-02

Schaffner EMC Inc.In Stock: 1155RN232-1-02 Datasheet

Current PartRFQ

RN232-1-02-18M

Schaffner EMC Inc.In Stock: 1073RN232-1-02-18M Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN232-1-02 is determined by the following critical parameters:

• Inductance Value: 18 mH at 10 kHz
• Current Rating: 1A maximum
• DC Resistance (DCR): Typical maximum of 390 mOhm
• Voltage Rating: 300V AC
• Number of Lines: 2-line common mode configuration
• Mounting Type: Through Hole
• Compliance: RoHS and REACH compliance status
• Operating Temperature Range: -40°C to 100°C

The RN232-1-02-18M is a direct substitute within the RN series family, maintaining identical electrical specifications while offering active product availability. Both components share the same inductance, current rating, and core electrical characteristics required for common mode filtering applications.

Parameter Comparison

Engineering Selection Recommendations

The RN232-1-02-18M is the appropriate substitute for the obsolete RN232-1-02. Both components maintain identical inductance and current specifications. The substitute offers enhanced compliance status (ROHS3 vs. RoHS Compliant) and active product availability, eliminating supply chain constraints associated with obsolete components. Both components satisfy REACH requirements and maintain unlimited moisture sensitivity classification. Selection of the RN232-1-02-18M ensures continuity of electrical performance while securing long-term component availability.

Frequently Asked Questions (FAQ)

Q: Can the RN232-1-02-18M directly replace the RN232-1-02 in existing designs?

A: Yes. Both components share identical inductance (18 mH) and current rating (1A) specifications. The RN232-1-02-18M maintains the same electrical performance required for common mode filtering applications.

Q: What is the primary reason for substitution?

A: The RN232-1-02 is classified as obsolete. The RN232-1-02-18M provides an active, in-stock alternative within the same product family.

Q: Are there compliance differences between these components?

A: Both components are RoHS compliant and REACH unaffected. The RN232-1-02-18M carries ROHS3 certification, representing current compliance standards. Both maintain MSL 1 (Unlimited) moisture sensitivity classification.

Q: What are the physical mounting considerations?

A: The RN232-1-02-18M is specified as Through Hole mounting with dimensions of 1.220" L x 0.709" W (31.00mm x 18.00mm) and maximum height of 1.362" (34.60mm). Verify PCB layout compatibility with these dimensions.

Q: Are there any electrical parameter differences?

A: The RN232-1-02-18M specifies 390 mOhm typical DC resistance and 300V AC voltage rating. These parameters define the component's performance envelope for power line filtering applications.