31-203-RFX
Amphenol
BulkExtended Insulation50Ohm
Ref. price$6.6700
Lead time on requestGet quote ›
Amphenol 3120 Series
3 variants · Amphenol
About the Amphenol 3120 Series
The Amphenol 3120 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common body finish of Nickel, body material of Brass and dielectric material of Polytetrafluoroethylene (PTFE). Variants differ by cable group, center contact material and center contact plating, so you can match the exact cable group your application requires using the selection guide below. All listed Amphenol 3120 Series part numbers are active and orderable.
Select a variant by
- Cable group
- - · RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, 9907
- Center contact material
- Beryllium Copper · Brass · Phosphor Bronze
- Center contact plating
- Gold · Silver
- Connector type
- Jack, Female Socket · Plug, Male Pin
- Contact termination
- Solder · Solder Cup
- Features
- - · Extended Insulation
- Includes
- - · 6 pcs - 1 Connector, 1 Braid Clamp, 1 Clamp, 1 Contact, 1 Gasket, 1 Washer
- Mounting feature
- - · Flange
Shared specifications
- Body finish
- Nickel
- Body material
- Brass
- Dielectric material
- Polytetrafluoroethylene (PTFE)
- Fastening type
- Bayonet Lock
- Frequency - max
- 4 GHz
- Housing color
- Silver
- Impedance
- 50Ohm
- Ingress protection
- -
- Insertion loss
- 0.2dB
- Mating cycles
- 500
- Number of ports
- 1
- Operating temperature
- -65°C~165°C
Variant comparison
| Parameter | 31-203-RFX | 31-202 | 31-203 |
|---|---|---|---|
| Cable group | - | RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, 9907 | - |
| Center contact material | Phosphor Bronze | Brass | Beryllium Copper |
| Center contact plating | Gold | Silver | Silver |
| Connector type | Jack, Female Socket | Plug, Male Pin | Jack, Female Socket |
| Contact termination | Solder Cup | Solder | Solder Cup |
| Features | Extended Insulation | - | Extended Insulation |
| Includes | - | 6 pcs - 1 Connector, 1 Braid Clamp, 1 Clamp, 1 Contact, 1 Gasket, 1 Washer | - |
| Mounting feature | Flange | - | Flange |
Request a quote on any Amphenol 3120 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
Frequently asked questions
- How do the Amphenol 3120 Series variants differ?
- Amphenol 3120 Series part numbers differ by cable group, center contact material, center contact plating and connector type. Use the selection guide above to pick by cable group.
- How many Amphenol 3120 Series part numbers are listed?
- 3 Amphenol 3120 Series part numbers are listed, each with specifications and a datasheet where available.
- How do I get pricing and lead time for Amphenol 3120 Series?
- Request a quote (RFQ) for any Amphenol 3120 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.
