SBC89259 BNC Connector Plug 75 Ohm Crimp

Part Overview

The SBC89259 is a BNC connector plug manufactured by Winchester Interconnect, designed for coaxial RF applications requiring 75 ohm impedance. This male pin connector features crimp termination for both center contact and shield, with a bayonet lock fastening mechanism. The part is actively produced and maintains an inventory of 1092 pieces in stock. Alternative equivalent parts may be required due to supply chain considerations, design standardization across multiple cable types, or specific performance requirements within defined electrical and mechanical parameters.

Substiute Parts

SBC89259

Winchester InterconnectIn Stock: 1176SBC89259 Datasheet

Current PartRFQ

031-71008-2000

Amphenol RFIn Stock: 1158031-71008-2000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The SBC89259 can be substituted with equivalent BNC connector plugs that maintain the following critical parameters:

Mandatory Matching Parameters:

• Connector Style: BNC
• Connector Type: Plug, Male Pin
• Impedance: 75 Ohms
• Contact Termination: Crimp
• Shield Termination: Crimp
• Mounting Type: Free Hanging (In-Line)
• Fastening Type: Bayonet Lock
• Voltage Rating: 500 V
• Insertion Loss: 0.2 dB
• Mating Cycles: 500
• Number of Ports: 1

Substitute parts meeting these specifications are electrically and mechanically compatible with the SBC89259 in 75 ohm coaxial RF applications. The substitute part 031-71008-2000 from Amphenol RF satisfies all mandatory parameters while offering extended frequency capability and enhanced material specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the SBC89259 and 031-71008-2000 are active production parts with full regulatory compliance. The SBC89259 maintains RoHS compliance, while the 031-71008-2000 meets ROHS3 compliance standards and includes REACH affected status documentation. Both parts carry EAR99 export classification and identical HTSUS codes, confirming their functional equivalence in coaxial RF connector applications.

The 031-71008-2000 provides extended frequency capability to 2 GHz compared to the SBC89259's 1 GHz maximum, while maintaining identical electrical performance at 0.2 dB insertion loss and 500 V voltage rating. The Amphenol RF part includes specified center contact material (Brass) and dielectric material (Polytetrafluoroethylene/PTFE) with gold plating on the center contact, along with documented operating temperature range of -65°C to 165°C.

Selection between these parts depends on application frequency requirements, supply availability, and compliance documentation needs. Both parts are suitable for 75 ohm coaxial RF systems with bayonet-lock BNC connectors and crimp termination.

Frequently Asked Questions (FAQ)

Q: Can the 031-71008-2000 directly replace the SBC89259 in existing designs?

A: Yes. Both connectors maintain identical BNC plug configuration, 75 ohm impedance, crimp termination for center contact and shield, bayonet lock fastening, 500 V voltage rating, 0.2 dB insertion loss, and 500 mating cycles. The 031-71008-2000 is mechanically and electrically compatible with the SBC89259 in all specified applications.

Q: What is the difference in frequency capability between these parts?

A: The SBC89259 operates to 1 GHz maximum frequency, while the 031-71008-2000 operates to 2 GHz maximum frequency. Both maintain 0.2 dB insertion loss across their respective frequency ranges. Applications operating below 1 GHz can use either part interchangeably.

Q: Are there packaging differences between these connectors?

A: The SBC89259 is supplied in standard packaging, while the 031-71008-2000 is supplied in bulk packaging. The 031-71008-2000 includes four component pieces per connector: 1 connector body, 1 contact, 1 ferrule, and 1 insulator. Both parts are MSL 1 (Unlimited moisture sensitivity level).

Q: Do both parts meet current regulatory requirements?

A: The SBC89259 is RoHS Compliant. The 031-71008-2000 is ROHS3 Compliant and REACH Affected. Both parts carry EAR99 export classification and identical HTSUS codes (8536.69.4010). Selection depends on specific regulatory requirements for your application or region.

Q: What cable types are compatible with the 031-71008-2000?

A: The 031-71008-2000 is specified for RG-59 Plenum, Belden 82108, 82259, 89108, and 89259 cable types. The SBC89259 is specified for Belden 89259 cable group. Verify cable compatibility with your specific application requirements.

Q: Are the operating temperature ranges different?

A: The SBC89259 does not specify an operating temperature range in the provided data. The 031-71008-2000 specifies -65°C to 165°C operating temperature range. For applications requiring temperature specification, the 031-71008-2000 provides documented thermal performance.