MCX Connector Series
MCX connectors conform to the European CECC 22220 spec and were introduced in the 1980’s. While the MCX uses identical inner contact and insulator dimensions as the SMB, the outer diameter of the plug is .140 inches, which is 30% smaller than the SMB. This series provides designers with options where weight and physical space are limited. MCX provides broadband capability though 6 GHz with a snap-on connector design. A range of connectors are available , including printed circuit board and cable connectors.
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Features & Benefits
- Broadband performance with low reflection DC to 6 GHz. Low cost combined with high quality.
- Quick connect/disconnect snap-on mating reduces installation time.
- Accommodates a wide range of miniature RG flexible coaxial cables, including semi-rigid cable. This provides customer flexibility in their design and manufacturing.
Applications
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50 Ω MCX Specifications
Electrical
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| Impedance | 50 Ω |
| Frequency Range | 0-6 GHz |
| Voltage Rating | 335 VRMS |
| Dielectric Withstanding Voltage | 1,000 volts |
| VSWR | Straight connectors: 1.00 @ 2.5 GHz Right angle connectors: 1.10 @ 2.5 GHz |
| Contact Resistance | Center contact: 5 mΩ ; Outer contact: 1.0 m Ω |
| Insulation Resistance | 5,000 M Ω minimum |
| Insertion Loss | 0.10 dB @ 1 GHz |
Mechanical
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| Mating | Snap-on coupling per CECC 22220 |
| Braid/Jacket Cable Affixment | Hex crimp |
| Center Conductor Cable Affixment | Solder |
| Contact Captivation | All types unless noted otherwise |
| Engagement Forces | Engagement: 4.5 lbs (20N) maximum Disengagement: 2.3 lbs (10N) minimum |
| Connector Durability | 500 mating cycles minimum |
Material
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| Male Contact | Brass per QQB-626 |
| Female Contact | Beryllium copper per QQC-530, heat-treated per MIL-H-7199 |
| Contact Plating | 30 u" Gold |
| Body, Metal Parts | Brass per QQB-626 |
| Body/Metal Parts Finish | Nickel or Gold |
| Insulator | PTFE |
| Gasket | Silicone rubber |
| Crimp Ferrule | Seamless copper tubing alloy |
| Ferrule Finish | Nickel or Gold |
Environmental
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| Temperature Range | - 65°C to +165°C |
| Thermal Shock | MIL-STD-202 method 107, test condition B (except high temperatures @ 200°C |
| Shock | MIL-STD-202 method 213, snap-on, test condition B |
| Vibration | MIL-STD-202 method 204, snap-on, test condition B |
| Corrosion | MIL-STD-202 method 101, test condition B. 5% salt solution |
Note: These characteristics are typical but may not apply to all connectors.
75 Ω MCX Specifications
Electrical
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| Impedance | 75Ω |
| Frequency Range | 0-6 GHz |
| Voltage Rating | 170 VRMS |
| Dielectric Withstanding Voltage | 500 volts |
| VSWR | Straight connectors: 1.06 @ 2.5 GHz Right angle connectors: 1.08 @ 2.5 GHz |
| Contact Resistance | Center contact: 5 mΩ ; Outer contact: 2.5 mΩ |
| Insulation Resistance | 10,000 MΩ minimum |
| Insertion Loss | 0.10 dB @ 1 GHz |
Mechancial
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| Mating | Snap-on coupling per CECC 22220 |
| Braid/Jacket Cable Affixment | Hex crimp |
| Center Conductor Cable Affixment | Solder |
| Contact Captivation | All types unless noted otherwise |
| Engagement Forces | Engagement: 4.5 lbs (20N) maximum Disengagement: 2.3 lbs (10N) minimum |
| Connector Durability | 500 mating cycles minimum |
Material
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|
| Male Contact | Brass per QQB-626 |
| Female Contact | Beryllium copper per QQC-530, heat-treated per MIL-H-7199 |
| Contact Plating | 30 u" Gold |
| Body, Metal Parts | Brass per QQB-626 |
| Body/Metal Parts Finish | Brass per QQB-626/Nickel or Gold |
| Insulator | PTFE |
| Gasket | Silicone rubber |
| Crimp Ferrule | Seamless copper tubing alloy |
| Ferrule Finish | Nickel or Gold |
Environmental
|
|
| Temperature Range | - 65°C to +165°C |
| Thermal Shock | MIL-STD-202 method 107, test condition B (except high temperatures @ 200°C |
| Shock | MIL-STD-202 method 213, snap-on, test condition B |
| Vibration | MIL-STD-202 method 204, snap-on, test condition B |
| Corrosion | MIL-STD-202 method 101, test condition B. 5% salt solution |
Note: These characteristics are typical but may not apply to all connectors.
