Amphenol RF 2FA1-NASJ-C04-0 Equivalent & Substitute Parts

Part Overview

The Amphenol RF 2FA1-NASJ-C04-0 is a SMB Fakra Connector Jack with female socket configuration, rated for 50 Ohms impedance in free-hanging (in-line) crimp termination. This coaxial RF connector is designed for applications requiring RG-58 series cable compatibility with a maximum frequency rating of 4 GHz and operating temperature range of -40°C to 100°C.

The 2FA1-NASJ-C04-0 is classified as Obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this connector specification.

Substiute Parts

2FA1-NASJ-C04-0

Amphenol RFIn Stock: 8762FA1-NASJ-C04-0 Datasheet

Current PartRFQ

FA1-NASJ-C04-0

Amphenol RFIn Stock: 1223FA1-NASJ-C04-0 Datasheet

MFR RecommendedRFQ

2FA1-NASJ-C04-6

Amphenol RFIn Stock: 8262FA1-NASJ-C04-6 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2FA1-NASJ-C04-0 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Connector Style: SMB, Fakra
• Connector Type: Jack, Female Socket
• Impedance: 50 Ohms
• Contact Termination: Crimp
• Shield Termination: Crimp
• Mounting Type: Free Hanging (In-Line)
• Cable Group Compatibility: RG-58 series cables
• Fastening Type: Latch Lock
• Features: Code A
• Dielectric Material: Polytetrafluoroethylene (PTFE)
• Operating Temperature Range: -40°C ~ 100°C
• Mating Cycles: 100
• Insertion Loss: 0.3 dB
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Frequency - Max: 4 GHz or higher
• Center Contact Material: Phosphor Bronze or Beryllium Copper
• Body Material: Zinc Die Cast or Brass
• Product Status: Active or Obsolete
• Inventory availability

Substitute parts must maintain electrical and mechanical compatibility with the original specification while meeting or exceeding performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

FA1-NASJ-C04-0 (MFR Recommended Substitute)

The FA1-NASJ-C04-0 is the manufacturer-recommended substitute for the obsolete 2FA1-NASJ-C04-0. This part maintains full electrical and mechanical compatibility across all critical parameters. The FA1-NASJ-C04-0 is classified as Active product status, ensuring ongoing availability and supply chain support. The part exceeds the frequency specification of the original at 6 GHz versus 4 GHz, providing enhanced performance margin for future applications. Material composition differs with Beryllium Copper center contact and Brass body, both of which maintain ROHS3 compliance and REACH compliance status. This substitute includes expanded package contents (5 pieces versus 3 pieces), providing additional assembly components. Current inventory of 1,159 pieces supports immediate procurement requirements.

2FA1-NASJ-C04-6 (Parametric Equivalent)

The 2FA1-NASJ-C04-6 provides parametric equivalence to the original 2FA1-NASJ-C04-0, maintaining identical electrical specifications including 4 GHz frequency rating, 0.3 dB insertion loss, and 100 mating cycles. This part is classified as Active product status. Material composition is identical to the original specification with Phosphor Bronze center contact and Zinc Die Cast body. The 2FA1-NASJ-C04-6 is suitable for direct replacement in applications where the original part number is specified and material consistency is required. Current inventory of 767 pieces supports procurement needs.

Both substitute parts maintain ROHS3 compliance, REACH compliance, and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can the FA1-NASJ-C04-0 be used as a direct replacement for the 2FA1-NASJ-C04-0?

A: Yes. The FA1-NASJ-C04-0 is the manufacturer-recommended substitute and maintains full electrical and mechanical compatibility. All critical parameters including connector style, impedance, termination type, mounting configuration, and cable compatibility are identical. The higher frequency rating (6 GHz versus 4 GHz) provides enhanced performance capability.

Q: What is the difference between the FA1-NASJ-C04-0 and 2FA1-NASJ-C04-6?

A: Both are valid substitutes for the original 2FA1-NASJ-C04-0. The FA1-NASJ-C04-0 is the manufacturer-recommended option with upgraded materials (Beryllium Copper and Brass) and higher frequency rating (6 GHz). The 2FA1-NASJ-C04-6 maintains identical material composition and frequency specification to the original part. Selection depends on application requirements and material preferences.

Q: Are the substitute parts compatible with RG-58 series cables?

A: Yes. Both substitute parts support the complete cable group specification: RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, and 9907. Cable compatibility is maintained across all substitute options.

Q: What is included in each connector package?

A: The 2FA1-NASJ-C04-0 and 2FA1-NASJ-C04-6 include 3 pieces: 1 Connector, 1 Contact, and 1 Ferrule. The FA1-NASJ-C04-0 includes 5 pieces: 1 Connector, 1 Contact, 1 Ferrule, 1 Housing, and 1 Locking Clip.

Q: Do all substitute parts meet RoHS and REACH compliance requirements?

A: Yes. All parts listed are ROHS3 compliant and REACH affected, maintaining regulatory compliance consistent with the original specification.

Q: What is the operating temperature range for these connectors?

A: All parts operate across the identical temperature range of -40°C to 100°C, supporting applications across standard industrial and automotive environments.

Q: Is the insertion loss specification maintained across all substitute parts?

A: Yes. All substitute parts maintain 0.3 dB insertion loss specification, ensuring consistent signal integrity in RF applications.

Q: What is the mating cycle rating for these connectors?

A: All parts are rated for 100 mating cycles, providing consistent mechanical durability across the product line.