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FGG.1B.316.CLAD76Z Equivalent & Substitute Parts
Part Overview
The FGG.1B.316.CLAD76Z is a 16-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 a wide temperature range of -55°C to 250°C. The product is currently active and ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, application-specific requirements, or design standardization across product lines.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Type | Plug, Male Pins |
| Number of Positions | 16 |
| Termination | Solder Cup |
| Fastening Type | Push-Pull |
| Shielding | Shielded |
| Contact Finish - Mating | Gold |
| Shell Material | Brass |
| Ingress Protection | IP50 - Dust Protected |
| Insert Material | Polyetheretherketone (PEEK) |
| Mounting Type | Free Hanging (In-Line) |
Substitute Part Grouping Explanation
The substitute part S21L0C-P16MCC0-770S from ODU is identified as equivalent based on the following critical parameters:
- 16-position circular connector configuration
- Male pin plug connector type
- Solder cup termination method
- Push-pull fastening mechanism
- Shielded design with gold-plated mating contacts
- Brass shell construction with chrome plating
- PEEK insert material
- IP50 ingress protection rating
- Free hanging in-line mounting
- ROHS3 compliance and EAR99 ECCN classification
These parameters define the functional and mechanical compatibility envelope for substitution within this connector category.
Parameter Comparison
| Parameter | FGG.1B.316.CLAD76Z (LEMO) | S21L0C-P16MCC0-770S (ODU) |
|---|---|---|
| Connector Type | Plug, Male Pins | Plug, Male Pins |
| Number of Positions | 16 | 16 |
| Termination | Solder Cup | Solder Cup |
| Fastening Type | Push-Pull | Push-Pull |
| Shell Material | Brass | Brass |
| Shell Finish | Chrome | Chrome over Nickel |
| Contact Finish - Mating | Gold | Gold |
| Shielding | Shielded | Shielded |
| Ingress Protection | IP50 - Dust Protected | IP50 - Dust Protected |
| Insert Material | Polyetheretherketone (PEEK) | Polyetheretherketone (PEEK) |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Current Rating (Amps) | 1.5A | 4A |
| Operating Temperature | -55°C ~ 250°C | -40°C ~ 120°C |
| Cable Opening | 0.283" ~ 0.299" (7.20mm ~ 7.60mm) | 0.276" ~ 0.303" (7.00mm ~ 7.70mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
Both connectors meet ROHS3 compliance and REACH unaffected status, qualifying them for equivalent use in applications where regulatory requirements are a primary consideration. The FGG.1B.316.CLAD76Z operates across a broader temperature range (-55°C to 250°C) compared to the S21L0C-P16MCC0-770S (-40°C to 120°C), making the LEMO connector suitable for extreme temperature environments. The ODU substitute provides higher current rating (4A versus 1.5A) and includes strain relief features. Cable opening dimensions are compatible within tolerance ranges. Selection between these parts should be based on specific application temperature requirements and current handling needs.
Frequently Asked Questions (FAQ)
Q: Can the S21L0C-P16MCC0-770S replace the FGG.1B.316.CLAD76Z in all applications?
A: Substitution is valid for applications operating within the ODU part's temperature range of -40°C to 120°C. Applications requiring operation below -40°C or above 120°C must use the LEMO FGG.1B.316.CLAD76Z.
Q: What are the mechanical compatibility considerations?
A: Both connectors share identical 16-position configuration, push-pull fastening, solder cup termination, and cable opening dimensions within tolerance. Physical mating and mounting are compatible.
Q: Are there electrical differences between these parts?
A: The ODU substitute supports higher current rating (4A versus 1.5A). Both use gold-plated mating contacts and shielded construction. Voltage ratings are not specified for either part.
Q: Do both parts meet the same compliance standards?
A: Yes. Both are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.
Q: What is the significance of the shell finish difference?
A: The LEMO part uses chrome finish on brass, while the ODU part uses chrome over nickel on brass. Both provide corrosion protection and shielding effectiveness appropriate for IP50 dust protection.
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