FHG.0B.307.CYCD52Z Equivalent & Substitute Parts

Part Overview

The FHG.0B.307.CYCD52Z is a 7-position circular connector plug manufactured by LEMO, featuring male pins with crimp termination. This connector is classified as obsolete, necessitating identification of active equivalent parts for ongoing procurement and system integration. The part operates within a temperature range of -55°C to 250°C and provides IP50 dust protection with shielded construction. Due to its obsolete status, substitute parts with compatible electrical and mechanical parameters are required for design continuity and component availability.

Substiute Parts

Key Parameters

Parameter Value
Connector Type Plug, Male Pins
Number of Positions 7
Termination Type Crimp
Fastening Type Push-Pull
Mounting Type Free Hanging (In-Line), Right Angle
Current Rating 2.5A
Operating Temperature Range -55°C ~ 250°C
Ingress Protection IP50 - Dust Protected
Contact Finish Gold
Shielding Shielded
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the FHG.0B.307.CYCD52Z is based on the following critical parameters that must align between the main part and substitute candidates:

Mandatory Compatibility Parameters:

  • Connector type: Plug with male pins
  • Number of positions: 7
  • Fastening mechanism: Push-Pull
  • Mounting configuration: Free Hanging (In-Line), Right Angle
  • Ingress protection rating: IP50 or equivalent
  • Contact finish: Gold plating
  • Primary shell material: Brass with chrome finish
  • RoHS3 compliance status

Functional Equivalence Parameters:

  • Current carrying capacity: Minimum 2.5A
  • Operating temperature range: Must encompass or exceed -55°C to 250°C
  • Termination compatibility: Crimp or equivalent connection method
  • Insert material: Polyetheretherketone (PEEK)

The substitute part W20L0C-P07MCC0-520S meets the core structural and electrical requirements for circular connector plug applications with 7-position configuration and push-pull fastening. However, specific parameter variations exist that require engineering evaluation for application-specific compatibility.

Parameter Comparison

Parameter FHG.0B.307.CYCD52Z (Main Part) W20L0C-P07MCC0-520S (Substitute)
Manufacturer LEMO ODU
Series 0B ODU MINI-SNAP® L
Product Status Obsolete Active
Connector Type Plug, Male Pins Plug, Male Pins
Number of Positions 7 7
Termination Type Crimp Solder Cup
Fastening Type Push-Pull Push-Pull
Mounting Type Free Hanging (In-Line), Right Angle Free Hanging (In-Line), Right Angle
Shell Material Brass Brass
Shell Finish Chrome Chrome over Nickel
Contact Finish Gold Gold
Ingress Protection IP50 - Dust Protected IP50 - Dust Protected
Shielding Shielded Unshielded
Current Rating 2.5A 4A
Voltage Rating Not specified 300V
Operating Temperature Range -55°C ~ 250°C -40°C ~ 120°C
Cable Opening 0.165" ~ 0.205" (4.20mm ~ 5.20mm) 0.157" ~ 0.205" (4.00mm ~ 5.20mm)
Insert Material Polyetheretherketone (PEEK) Polyetheretherketone (PEEK)
RoHS Status ROHS3 Compliant ROHS3 Compliant
REACH Status REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99

Engineering Selection Recommendations

Compatibility Assessment:

The W20L0C-P07MCC0-520S substitute part shares fundamental structural compatibility with the FHG.0B.307.CYCD52Z in connector type, position count, fastening mechanism, and mounting configuration. Both parts maintain ROHS3 compliance and REACH unaffected status, supporting regulatory continuity.

Critical Differences Requiring Evaluation:

  1. Termination Method: The main part uses crimp termination while the substitute employs solder cup termination. This difference requires assessment of existing cable assembly compatibility and rework procedures.

  2. Operating Temperature Range: The main part operates from -55°C to 250°C, while the substitute operates from -40°C to 120°C. Applications requiring the full temperature range of the original part cannot use this substitute without thermal performance verification.

  3. Shielding Configuration: The main part is shielded; the substitute is unshielded. Applications requiring electromagnetic interference protection must evaluate the impact of this difference.

  4. Current Rating: The substitute provides 4A capacity compared to the main part's 2.5A, offering increased current handling capability.

  5. Shell Finish: The main part features chrome finish on brass; the substitute features chrome over nickel on brass, providing enhanced corrosion resistance.

Active Product Status: The W20L0C-P07MCC0-520S maintains active product status with current manufacturing support, ensuring long-term availability compared to the obsolete FHG.0B.307.CYCD52Z.

Frequently Asked Questions (FAQ)

Q: Can the W20L0C-P07MCC0-520S directly replace the FHG.0B.307.CYCD52Z in existing assemblies?

A: Direct replacement requires evaluation of three factors: termination method compatibility (crimp versus solder cup), operating temperature requirements, and electromagnetic shielding needs. Mechanical fit and electrical connectivity are compatible; however, cable assembly modifications may be necessary.

Q: What is the impact of the operating temperature range difference?

A: The main part operates to 250°C; the substitute operates to 120°C maximum. Applications requiring operation above 120°C cannot use the substitute. Applications operating within -40°C to 120°C are compatible with the substitute's thermal specifications.

Q: Does the unshielded configuration of the substitute affect signal integrity?

A: The main part provides shielded construction; the substitute is unshielded. Applications requiring electromagnetic interference suppression or operating in high-noise environments must evaluate whether unshielded operation meets performance requirements.

Q: Are the cable opening specifications compatible?

A: The main part accepts cables 0.165" to 0.205" (4.20mm to 5.20mm); the substitute accepts 0.157" to 0.205" (4.00mm to 5.20mm). The substitute accommodates a slightly smaller minimum cable diameter. Existing cables within the main part's range are compatible with the substitute.

Q: What are the inventory implications?

A: The FHG.0B.307.CYCD52Z is obsolete with 803 pieces in stock. The W20L0C-P07MCC0-520S is active with 781 pieces in stock, providing ongoing procurement availability and manufacturing support.

Q: Are both parts compliant with current regulatory standards?

A: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement and use.

Q: How does the increased current rating of the substitute affect system design?

A: The substitute provides 4A capacity versus the main part's 2.5A. This increased capacity does not create compatibility issues; however, system designs must not exceed the original part's 2.5A specification unless circuit modifications are implemented.

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