Amphenol RF 112509 BNC Connector Plug Equivalent & Substitute Parts

Part Overview

The Amphenol RF 112509 is a BNC connector plug designed for 75-ohm coaxial cable applications. This male pin connector features crimp termination for both center contact and shield, with a bayonet lock fastening mechanism. The part is rated for operation up to 4 GHz and supports RG-59 cable groups including Belden 1426A, 1505A, 8281, 9100, and 9278.

The 112509 carries a "Not For New Designs" product status, indicating it is obsolete or superseded. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support existing installations requiring replacement components.

Substiute Parts

112509

Amphenol RFIn Stock: 799112509 Datasheet

Current PartRFQ

112507

Amphenol RFIn Stock: 1557112507 Datasheet

DirectRFQ

112953

Amphenol RFIn Stock: 1276112953 Datasheet

Parametric EquivalentRFQ

413589-6

TE Connectivity AMP ConnectorsIn Stock: 843413589-6 Datasheet

SimilarRFQ

5413589-6

TE Connectivity AMP ConnectorsIn Stock: 8895413589-6 Datasheet

SimilarRFQ

UPL220-009

Cinch Connectivity Solutions TrompeterIn Stock: 1247UPL220-009 Datasheet

SimilarRFQ

UPL220-020

Cinch Connectivity Solutions TrompeterIn Stock: 1137UPL220-020 Datasheet

SimilarRFQ

UPL220-025

Cinch Connectivity Solutions TrompeterIn Stock: 1015UPL220-025 Datasheet

SimilarRFQ

UPL220-026

Cinch Connectivity Solutions TrompeterIn Stock: 1249UPL220-026 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Amphenol RF 112509 are classified based on electrical and mechanical compatibility within the BNC 75-ohm connector category. The substitution logic is structured as follows:

Primary Substitution Criteria:

• 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
• Number of Ports: 1

Direct Manufacturer Equivalent (Amphenol RF): The part 112507 is a direct equivalent from the same manufacturer, sharing identical electrical and mechanical specifications with active product status, making it the primary replacement option.

Parametric Equivalents (Amphenol RF): The part 112953 maintains all core electrical and mechanical parameters but differs in dielectric material (PTFE instead of POM Acetal) and carries "Not For New Designs" status.

Similar Cross-Manufacturer Parts (TE Connectivity, Cinch Connectivity Solutions): Parts 413589-6, 5413589-6, UPL220-009, UPL220-020, UPL220-025, and UPL220-026 are functionally compatible across the critical parameters of impedance, connector style, termination method, and fastening type. These parts accommodate the same cable groups or compatible alternatives and maintain the same voltage and mating cycle ratings. Variations exist in frequency response, operating temperature range, dielectric material, body material composition, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: Amphenol RF 112507

The 112507 is the optimal direct replacement for the 112509. Both parts are manufactured by Amphenol RF and share identical electrical and mechanical specifications across all critical parameters: 75-ohm impedance, BNC plug configuration, crimp termination, bayonet fastening, 4 GHz frequency rating, and 500 V voltage rating. The 112507 carries Active product status, ensuring continued availability and manufacturing support. Both parts are ROHS3 compliant and REACH affected. The 112507 maintains compatibility with the same cable groups (RG-59, Belden 1426A, 1505A, 8281, 9100, 9278) and includes identical connector, contact, and ferrule components.

Secondary Recommendation: Amphenol RF 112953

The 112953 provides parametric equivalence with one material variation: the dielectric material is PTFE instead of POM Acetal. This substitution is valid for applications where PTFE dielectric properties are acceptable or preferred. The 112953 maintains all other critical specifications including 75-ohm impedance, 4 GHz frequency response, 500 V rating, and compatibility with the same cable groups. However, the 112953 carries "Not For New Designs" status, similar to the 112509, limiting its suitability for new applications.

Cross-Manufacturer Alternatives: TE Connectivity and Cinch Connectivity Solutions

Parts 413589-6 and 5413589-6 (TE Connectivity) and UPL220-009, UPL220-020, UPL220-025, and UPL220-026 (Cinch Connectivity Solutions) are functionally compatible across core electrical and mechanical parameters. All maintain 75-ohm impedance, BNC plug configuration, crimp termination, bayonet fastening, and 500 V voltage rating.

TE Connectivity 413589-6: This part operates at a reduced maximum frequency of 2 GHz compared to the 112509's 4 GHz rating. The body material is zinc rather than brass. RoHS compliance status is non-compliant. This part is suitable only for applications operating below 2 GHz where RoHS non-compliance is acceptable.

TE Connectivity 5413589-6: This part also operates at 2 GHz maximum frequency and carries RoHS Compliant status. The body material is brass, matching the 112509. This part is suitable for applications operating below 2 GHz where RoHS compliance is required.

Cinch Connectivity Solutions UPL220 Series (UPL220-009, UPL220-020, UPL220-025, UPL220-026): All UPL220 variants maintain 4 GHz frequency response, matching the 112509. All are ROHS3 or RoHS compliant. The dielectric material is PTFE across all variants. Operating temperature range extends to -65°C to 165°C, providing broader thermal capability than the 112509. These parts are packaged in bulk format rather than bags. Cable group compatibility varies by variant: UPL220-009 supports Belden 8218, YR23023, Essex 21-597; UPL220-020 supports Belden 9248; UPL220-025 supports 734A; UPL220-026 supports 735A. These parts are suitable for applications requiring extended temperature operation and are all Active status products.

Compliance Considerations:

For applications requiring ROHS3 compliance, the 112507, 112953, UPL220-009, UPL220-025, and UPL220-026 are suitable. For applications requiring RoHS compliance (non-ROHS3), the UPL220-020 and TE Connectivity 5413589-6 are options. The TE Connectivity 413589-6 is not RoHS compliant and should be used only where regulatory compliance is not required.

Frequency Derating:

Applications operating at frequencies above 2 GHz require parts with 4 GHz or higher frequency ratings. The 112509, 112507, 112953, and all Cinch Connectivity Solutions UPL220 variants support 4 GHz operation. The TE Connectivity parts (413589-6 and 5413589-6) are limited to 2 GHz and are not suitable for higher-frequency applications.

Frequently Asked Questions (FAQ)

Q: Can I use Amphenol RF 112507 as a direct replacement for 112509?

A: Yes. The 112507 is a direct equivalent with identical electrical and mechanical specifications. Both are 75-ohm BNC male plug connectors with crimp termination, bayonet fastening, 4 GHz frequency rating, and 500 V voltage rating. The 112507 carries Active product status, ensuring continued availability. No design modifications are required.

Q: What is the difference between 112509 and 112953?

A: The primary difference is the dielectric material. The 112509 uses Polyoxymethylene (POM) Acetal, while the 112953 uses Polytetrafluoroethylene (PTFE). All other electrical and mechanical parameters are identical. Both carry "Not For New Designs" status. The 112953 is suitable as a substitute if PTFE dielectric properties are acceptable for the application.

Q: Why do TE Connectivity parts 413589-6 and 5413589-6 have a lower frequency rating?

A: These parts are rated for 2 GHz maximum frequency, compared to 4 GHz for the 112509. This is a design specification difference. These parts are suitable only for applications operating below 2 GHz. For applications requiring 4 GHz operation, use the 112507, 112953, or Cinch Connectivity Solutions UPL220 series.

Q: Are Cinch Connectivity Solutions UPL220 parts compatible with the same cables as the 112509?

A: The UPL220 series supports different cable groups depending on the variant. UPL220-009 supports Belden 8218, YR23023, and Essex 21-597. UPL220-020 supports Belden 9248. UPL220-025 supports 734A. UPL220-026 supports 735A. The 112509 supports RG-59, Belden 1426A, 1505A, 8281, 9100, and 9278. Cable compatibility must be verified for the specific application. The UPL220 variants are electrically compatible (75-ohm impedance, BNC configuration, crimp termination) but are optimized for different cable types.

Q: What is the difference between bulk and bag packaging?

A: The 112509 is supplied in bag packaging. The Cinch Connectivity Solutions UPL220 series is supplied in bulk packaging. Packaging format does not affect electrical or mechanical performance. Bulk packaging typically indicates different quantity per container and may have different handling or storage requirements. Verify packaging requirements with your procurement specifications.

Q: Can I use a part with a lower frequency rating in a high-frequency application?

A: No. Using a connector rated for 2 GHz in an application operating at 4 GHz will result in signal degradation, increased insertion loss, and potential system failure. The frequency rating must meet or exceed the application requirement. For 4 GHz operation, use parts rated for 4 GHz or higher: 112507, 112953, or Cinch Connectivity Solutions UPL220 series.

Q: What does "Not For New Designs" product status mean?

A: "Not For New Designs" indicates the part is obsolete or superseded. These parts may still be available from inventory but are not recommended for new product designs. The 112509 and 112953 carry this status. For new designs, use Active status parts such as 112507 or the Cinch Connectivity Solutions UPL220 series.

Q: Are all substitute parts RoHS compliant?

A: No. The TE Connectivity 413589-6 is RoHS non-compliant. The 112509, 112507, 112953, UPL220-009, UPL220-025, and UPL220-026 are ROHS3 compliant. The UPL220-020 and TE Connectivity 5413589-6 are RoHS compliant (non-ROHS3). Verify RoHS compliance requirements for your application and select accordingly.

Q: What is the operating temperature range for each part?

A: The 112509, 112507, and 112953 do not specify an operating temperature range. The TE Connectivity parts (413589-6 and 5413589-6) operate from -55°C to 85°C. The Cinch Connectivity Solutions UPL220 series operates from -65°C to 165°C. For applications requiring extended temperature operation, the UPL220 series provides the broadest range.

Q: How many mating cycles are supported?

A: The 112509, 112507, 112953, and TE Connectivity parts (413589-6 and 5413589-6) support 500 mating cycles. The Cinch Connectivity Solutions UPL220 series does not specify mating cycle rating. For applications with high mating cycle requirements, verify the UPL220 series specification with the manufacturer.

Q: What materials are used in the connector body?

A: The 112509, 112507, and 112953 use brass bodies with nickel finish. The TE Connectivity 413589-6 uses a zinc body with nickel finish. The TE Connectivity 5413589-6 uses a brass body with nickel finish. The Cinch Connectivity Solutions UPL220 series uses brass bodies with nickel finish. Brass bodies provide superior corrosion resistance compared to zinc. For applications requiring maximum durability, brass body construction is preferred.