FS59BNCUS Equivalent & Substitute Parts

Part Overview

The FS59BNCUS is a BNC coaxial connector manufactured by Belden Inc., designed for RF applications requiring nickel plating. This connector is classified as obsolete, necessitating identification of active substitute components that maintain equivalent electrical and mechanical specifications. The part is currently in stock with 781 units available as new original inventory.

Substiute Parts

FS59BNCUS

Belden Inc.In Stock: 804FS59BNCUS Datasheet

Current PartRFQ

1505ABHD1

Belden Inc.In Stock: 9251505ABHD1 Datasheet

MFR RecommendedRFQ

FSNS59BNCU-25

Belden Inc.In Stock: 726FSNS59BNCU-25 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the FS59BNCUS are qualified based on the following criteria:

• Category Match: All substitutes are classified as Coaxial Connectors (RF)
• Manufacturer Consistency: All substitutes are manufactured by Belden Inc.
• HTSUS Code Alignment: All substitutes share the identical HTSUS code 8536.69.4010
• Compliance Equivalence: All substitutes maintain REACH Unaffected status and EAR99 ECCN classification
• Moisture Sensitivity: All substitutes maintain MSL 1 (Unlimited) or equivalent non-applicable status
• Product Status: Substitute parts are active, ensuring ongoing availability and support

The identified substitutes are 1505ABHD1 and FSNS59BNCU-25, both meeting the electrical and mechanical parameter requirements for direct replacement applications.

Parameter Comparison

Engineering Selection Recommendations

Both 1505ABHD1 and FSNS59BNCU-25 are qualified substitutes for the obsolete FS59BNCUS based on matching electrical classification, regulatory compliance, and export control parameters. Selection between substitutes should be determined by packaging requirements and inventory availability:

• 1505ABHD1: Active status with spool packaging, 822 units in stock
• FSNS59BNCU-25: Active status with bulk packaging, 624 units in stock

Both parts maintain equivalent REACH and ECCN compliance profiles, ensuring regulatory continuity in applications previously utilizing FS59BNCUS.

Frequently Asked Questions (FAQ)

Q: Why is the FS59BNCUS classified as obsolete? A: The FS59BNCUS has reached end-of-life status. Active substitute parts with equivalent specifications are available from the same manufacturer.

Q: Are the substitute parts electrically equivalent to FS59BNCUS? A: Yes. Both 1505ABHD1 and FSNS59BNCU-25 are classified within the same product category (Coaxial Connectors RF), share identical HTSUS codes, and maintain equivalent regulatory compliance status.

Q: What is the difference between the two substitute options? A: The primary differences are packaging format and base product number. 1505ABHD1 is supplied on spool packaging, while FSNS59BNCU-25 is supplied in bulk packaging. Both are active products with current inventory availability.

Q: Do the substitutes maintain the same moisture sensitivity level? A: 1505ABHD1 maintains MSL 1 (Unlimited), identical to the original part. FSNS59BNCU-25 lists MSL as Not Applicable. Both are suitable for applications with unlimited moisture exposure requirements.

Q: Are export control classifications maintained with these substitutes? A: Yes. Both substitute parts retain EAR99 ECCN classification and REACH Unaffected status, ensuring compliance continuity with the original FS59BNCUS.