The F81 Adapter is a coaxial connector adapter used to interface compatible F81-type connectors in RF and cable connection systems. Its configuration, electrical characteristics, and mechanical dimensions can be specified according to the required connector interface and application conditions.
Electrical Performance
|
Product Type |
F81 Adapter |
|
CA&CO Model |
CAC-FF-FF-AB |
|
Frequency Range |
DC~1000MHz |
|
Vibration |
100m/s2 |
|
Working Voltage |
170V |
|
Withstand Voltage |
500V |
|
Center Contact |
≤ 10 mΩ |
|
Outer Contact |
≤ 5 mΩ |
|
Insulation resistance |
≥ 1000 MΩ |
|
Durability (mating) |
≥500 cycles |
|
Return Loss |
≥ 14dB |
|
Temp. Range |
-40~+85℃ |
F81 Interface & Connection Compatibility
Standard F-Type Interface: Features standard 3/8-32 UNEF threads matching industry-standard coaxial fittings for seamless integration with existing RG6 and RG59 infrastructure.
Female-to-Female Configuration: Operates as a barrel connector joining two male F-type terminated cables or devices directly without signal conversion adapters.
Impedance Matching: Maintains consistent 75-ohm characteristic impedance across the connection point to prevent signal reflections and standing waves in digital video transmissions.
Frequency Range Coverage: Operates reliably from DC up to 1000 MHz, supporting standard cable television, satellite intermediate frequency (IF), and broadband internet signals.
Application Scenario
CATV Distribution: Used in multi-room coaxial cable layouts to couple drop cables from exterior splitters to indoor set-top boxes or modems.
Satellite TV Setups: Deployed between LNB feedlines and receiver inputs where cable extension or wall-plate pass-through connection is required.
Broadband & Cable Modem Lines: Implemented in residential and commercial subscriber drops to bridge service provider feeds with interior premise wiring.
Security Camera Runs: Connects analog or HD-over-coax CCTV surveillance runs requiring inline cable splicing or termination box patching.
Construction & Material
Brass Body Composition: Machined from solid brass material to provide mechanical rigidity, thread durability, and consistent physical dimensions across production batches.
Nickel Plating: Surface treated with an electroplated nickel finish to resist surface oxidation, rust, and environmental corrosion in semi-exposed installation areas.
Dielectric Support: Incorporates a precise internal dielectric insulator to maintain the precise spatial relationship between the center conductor and outer housing.
Contact Resistance Limits: Features strict inner contact resistance (<= 10 mΩ) and outer contact resistance (<= 5 mΩ) thresholds to minimize insertion voltage drops.
Dimensional & Interface Details
Interface Geometry: Both ends use F-type female interfaces, so the mating components must have corresponding F male connectors.
Inline Form: The two ports are positioned along a common axis, supporting direct coaxial connection without an angled or branched adapter structure.
Critical Mating Dimensions: Thread and mating dimensions should be checked against the applicable product drawing or sample before integration into a cable assembly.
Bulk-Order Verification: For replacement or large-volume purchasing, buyers should confirm the adapter dimensions against the existing F connector and installation space before production approval.
Product Handling & Storage
Thread Protection: Keep both F-type interfaces protected from impact and contamination during handling and storage.
Clean Contact Surfaces: Avoid contact with oil, dust, moisture, or other contaminants that may affect the mating interface.
Storage Environment: Store the adapters in a clean, dry environment and keep them protected from unnecessary exposure to moisture and corrosive substances.
Bulk Handling: Use separated or protective packaging when handling large quantities to reduce contact between parts during transportation.
FAQ
Q: What is the minimum order quantity (MOQ) for bulk or custom-labeled shipments of model CAC-FF-FF-AB?
A: MOQ requirements depend on whether you choose standard factory packaging or custom branding, and can be quoted directly based on your projected volume.
Q: Can the nickel-plating thickness or brass composition be adjusted to pass specific salt spray testing standards?
A: Material formulations and plating specifications can be modified upon request to meet targeted environmental corrosion resistance requirements.
Q: What inspection documents or factory test reports accompany commercial shipments?
A: Inspection sheets, material composition records, and dimensional verification data can be provided with orders to support quality control checks.
Q: Are evaluation samples available for laboratory testing prior to final purchase commitment?
A: Working samples can be supplied for engineering evaluation and compatibility testing with your specific cable assemblies.
Q: What is the typical production lead time for standard volume orders?
A: Lead times vary according to active factory scheduling and order size, with delivery timelines confirmed during the quotation stage.
Q: How are the adapters packaged to prevent thread deformation during international freight transit?
A: Parts are secured in compartmentalized trays or heavy-duty poly bags designed to prevent physical friction and transit damage.
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