Amphenol RF 082-4438 N Type Coaxial Connector Jack - Equivalent & Substitute Parts

Part Overview

The Amphenol RF 082-4438 is an N Type connector jack with female socket configuration, designed for 50 ohm RF applications. This component functions as a panel-mount bulkhead connector with crimp or solder termination capability, supporting frequencies up to 11 GHz. The part is classified as obsolete, necessitating identification of active equivalent components for ongoing procurement and system integration. Substitute parts must maintain electrical and mechanical compatibility across RF transmission applications.

Substiute Parts

082-4438

Amphenol RFIn Stock: 1248082-4438 Datasheet

Current PartRFQ

138-4308-407

Cinch Connectivity SolutionsIn Stock: 806138-4308-407 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Amphenol RF 082-4438 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Requirements:

• Connector style must be N Type
• Connector type must be Jack, Female Socket configuration
• Impedance must be 50 Ohms
• Maximum frequency must support 11 GHz operation
• Insertion loss must not exceed 0.15 dB
• Mating cycles must be minimum 500

Mechanical Compatibility Requirements:

• Mounting type must be Panel Mount with Bulkhead - Front Side Nut configuration
• Contact termination must support Crimp or Solder methods
• Shield termination must be Crimp
• Cable group compatibility must include RG-55, 142, 223, 400
• Operating temperature range must encompass -65°C ~ 165°C

Regulatory & Compliance Requirements:

• RoHS Compliant status required
• ECCN and HTSUS classifications must align

The Cinch Connectivity Solutions 138-4308-407 meets all electrical and mechanical substitution criteria, with active product status enabling continued procurement.

Parameter Comparison

Engineering Selection Recommendations

The Cinch Connectivity Solutions 138-4308-407 is the qualified substitute for the obsolete Amphenol RF 082-4438. Selection is based on the following engineering criteria:

Electrical Performance Equivalence: Both components maintain identical RF performance specifications including 50 ohm impedance, 11 GHz maximum frequency, and 0.15 dB insertion loss. Mating cycle ratings of 500 cycles ensure equivalent mechanical durability.

Mechanical Interface Compatibility: Panel mount bulkhead configuration with front side nut fastening is identical between both parts. Cable group compatibility spans RG-55, 142, 223, and 400 series coaxial cables for both connectors.

Thermal and Environmental Compliance: Operating temperature range of -65°C to 165°C is maintained across both components. RoHS compliance status is equivalent, supporting regulatory requirements for both parts.

Product Status Advantage: The Cinch part maintains active product status with 757 units in stock, compared to the obsolete Amphenol part with limited remaining inventory of 1171 units. Active status ensures long-term procurement availability and supply chain continuity.

Material Enhancement Consideration: The substitute part features gold-plated center contacts and tri-alloy body finish compared to silver plating and nickel finish on the original part. These material enhancements provide improved corrosion resistance and contact reliability.

Voltage Rating Differential: The substitute part specifies 335 V voltage rating compared to 1500 V on the original part. Applications requiring voltage ratings above 335 V must retain the original Amphenol component or identify alternative substitutes with higher voltage specifications.

Frequently Asked Questions (FAQ)

Q: Can the Cinch Connectivity Solutions 138-4308-407 directly replace the Amphenol RF 082-4438 in existing designs?

A: Direct replacement is supported for applications operating at or below 335 V. All RF electrical parameters, mechanical interfaces, and environmental specifications are equivalent. The connector maintains identical panel mount bulkhead configuration and cable compatibility with RG-55, 142, 223, and 400 series cables.

Q: What is the significance of the voltage rating difference between the two parts?

A: The Amphenol part is rated for 1500 V while the Cinch substitute is rated for 335 V. Applications requiring voltage ratings above 335 V cannot use the substitute part. System designers must verify operating voltage requirements before implementing the substitution.

Q: Are the material differences between silver and gold plating significant for RF applications?

A: Both silver and gold plating provide adequate RF performance at the specified 11 GHz frequency with 0.15 dB insertion loss. Gold plating on the substitute part offers enhanced corrosion resistance and contact longevity, particularly in environments with moisture or chemical exposure. Silver plating on the original part is standard for RF applications and remains functionally equivalent for RF transmission.

Q: How do the included accessories differ between the two parts?

A: The Amphenol part includes 3 pieces: 1 connector, 1 lockwasher, 1 nut. The Cinch substitute includes 6 pieces: 1 connector, 1 contact, 1 gasket, 1 lockwasher, 1 nut, 1 sleeve. The additional gasket and sleeve in the substitute part enhance sealing and mechanical stability during panel mounting.

Q: Is the Cinch part RoHS compliant?

A: Yes, the Cinch Connectivity Solutions 138-4308-407 is RoHS compliant, matching the compliance status of the original Amphenol part. Both components meet regulatory requirements for restricted substance elimination.

Q: What is the packaging difference between these parts?

A: The Amphenol part is supplied without specified packaging designation. The Cinch substitute is supplied in bulk packaging. Procurement quantities and handling procedures may differ based on packaging format.

Q: Can both parts be used interchangeably in the same system?

A: Interchangeability is supported for RF electrical and mechanical functions. However, the voltage rating differential must be considered. Systems designed for 1500 V operation cannot substitute the 335 V rated Cinch part. For applications operating below 335 V, both parts are functionally interchangeable.