FGA.0B.304.CLAD31Z Equivalent & Substitute Parts

Part Overview

The FGA.0B.304.CLAD31Z is a 4-position circular connector plug with male pins and solder cup termination, manufactured by LEMO. This connector is designed for applications requiring shielded, push-pull fastening with gold-plated mating contacts and operates across an extended temperature range of -55°C to 250°C. The product is active and in stock with 799 units available. Equivalent and substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design flexibility permits component selection from qualified manufacturers.

Substiute Parts

Key Parameters

Parameter Value
Connector Type Plug, Male Pins
Number of Positions 4
Termination Solder Cup
Fastening Type Push-Pull
Shielding Shielded
Contact Finish - Mating Gold
Ingress Protection IP50 - Dust Protected
Current Rating 7A
Operating Temperature -55°C ~ 250°C
Shell Material Brass
Shell Finish Chrome
Insert Material Polyetheretherketone (PEEK)
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the FGA.0B.304.CLAD31Z is determined by the following critical parameters:

  • Connector Type & Position Count: Must be plug with male pins, 4-position configuration
  • Termination Method: Solder cup termination required
  • Fastening Mechanism: Push-pull fastening type
  • Electrical Performance: Minimum 7A current rating; gold-plated mating contacts
  • Environmental Protection: IP50 dust protection rating
  • Shielding: Shielded construction
  • Material Compliance: ROHS3 compliant; PEEK insert material
  • Mechanical Interface: Orientation A; free hanging (in-line) mounting

The substitute part S20LAC-P04MFG0-320S from ODU meets these core substitution criteria as a 4-position male plug with solder cup termination, push-pull fastening, shielded construction, gold-plated contacts, and ROHS3 compliance.

Parameter Comparison

Parameter FGA.0B.304.CLAD31Z (LEMO) S20LAC-P04MFG0-320S (ODU)
Connector Type Plug, Male Pins Plug, Male Pins
Number of Positions 4 4
Termination Solder Cup Solder Cup
Fastening Type Push-Pull Push-Pull
Shielding Shielded Shielded
Contact Finish - Mating Gold Gold
Ingress Protection IP50 - Dust Protected IP50 - Dust Protected
Current Rating (Amps) 7A 7.5A
Operating Temperature -55°C ~ 250°C -40°C ~ 120°C
Shell Material Brass Brass
Shell Finish Chrome Chrome over Nickel
Contact Material Brass Brass
Insert Material Polyetheretherketone (PEEK) Polyetheretherketone (PEEK)
Mounting Type Free Hanging (In-Line) Free Hanging (In-Line)
Orientation A A
RoHS Status ROHS3 Compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

Both the FGA.0B.304.CLAD31Z and S20LAC-P04MFG0-320S are active products with ROHS3 compliance and REACH unaffected status, qualifying them for equivalent use in applications where regulatory compliance is required.

The FGA.0B.304.CLAD31Z supports an extended operating temperature range of -55°C to 250°C, making it suitable for high-temperature applications. The S20LAC-P04MFG0-320S operates within -40°C to 120°C, which is appropriate for standard industrial, medical, military, and testing equipment applications within this temperature envelope.

The S20LAC-P04MFG0-320S provides a slightly higher current rating of 7.5A compared to the 7A rating of the FGA.0B.304.CLAD31Z, and includes integrated strain relief features. Shell finish differs between the two parts: the FGA.0B.304.CLAD31Z uses chrome plating, while the S20LAC-P04MFG0-320S uses chrome over nickel plating.

Selection between these parts should be based on specific application temperature requirements and the necessity of extended high-temperature operation.

Frequently Asked Questions (FAQ)

Q: Can the S20LAC-P04MFG0-320S replace the FGA.0B.304.CLAD31Z in all applications?

A: Substitution is valid for applications operating within the -40°C to 120°C temperature range. Applications requiring operation below -40°C or above 120°C must use the FGA.0B.304.CLAD31Z due to its extended temperature rating of -55°C to 250°C.

Q: What are the key compatibility factors for these connectors?

A: Both connectors share identical core specifications: 4-position male plug configuration, solder cup termination, push-pull fastening, shielded construction, gold-plated contacts, IP50 protection, PEEK inserts, and ROHS3 compliance. These parameters ensure mechanical and electrical compatibility.

Q: How do the cable opening specifications differ?

A: The FGA.0B.304.CLAD31Z accommodates cable diameters of 0.091" to 0.126" (2.30mm to 3.20mm). The S20LAC-P04MFG0-320S accepts 0.079" to 0.126" (2.00mm to 3.20mm), providing a slightly wider lower tolerance range.

Q: Are both parts suitable for industrial and medical applications?

A: Both parts meet ROHS3 and REACH compliance requirements. The S20LAC-P04MFG0-320S is explicitly rated for industrial, medical, military, and testing equipment applications. Application suitability depends on specific temperature and environmental requirements of the end-use system.

Q: What is the difference in shell finish between these connectors?

A: The FGA.0B.304.CLAD31Z uses chrome plating on brass. The S20LAC-P04MFG0-320S uses chrome over nickel plating on brass, providing an additional corrosion protection layer.

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