Circular Connectors (Military Connector)
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MIL-C-26482 II Series
Applications of Circular Connectors
Our MIL-C-26482 Series II Connectors are specifically engineered for circuit signal connections in various devices.
Environments
Our connectors are built to withstand demanding environments, ensuring uninterrupted functionality in the most challenging conditions. They are designed to resist moisture, salt spray, fungi, rain, and dust, making them suitable for a wide range of military and civilian environments.
General Information
- Compliant with MIL-C-26482 II Series standards
- Bayonet coupling for quick and secure connections
- Detachable gold-plated contacts
- High contact density for efficient signal transmission
- RFI shielding to prevent electromagnetic interference
- Interface sealing
- Wide range of applications in military and civilian equipment
-
MS3470A16-26PN -
MS3476W18-32S
Main Technical Performance
Mechanical Performance
- Shell Material: Aluminum alloy
- Plating options:
- W Class: Olive drab cadmium plating, conductive shell
- L Class: Electroless nickel plating, conductive shell
- A Class: Black anodization, non-conductive shell
- B Class: Cadmium olive drab plating, conductive shell
- S Class: Passivated stainless steel, conductive shell
- BW Class: Cadmium olive green plating, conductive shell
- Insulator Material: Thermosetting plastic
- Sealing Material: Silicone rubber
- Contact Material: Gold-plated copper alloy, removable crimp contacts
- Mechanical Lifespan: 500 cycles (250 cycles for JY3475 shielded plugs)
- Shock Resistance: 3ms half-sine wave, peak acceleration of 300g
- Random Vibration Resistance: Frequency range 10-2000Hz, power spectral density of 1.0G²/Hz
Electrical Performance
Working voltage and withstanding voltage (V): | Service rating | Withstanding voltage | Withstanding voltage | ||
| I | II | I | II | |
| Sea level | 600 | 1000 | 1500 | 2300 |
| 21336m | 300 | 450 | 375 | 500 |
Note: Different contact arrangements have different operating levels, see top-right corner of contact arrangement label
Contact resistance and current rating:| Contact ID | Diameter (mm) | Resistance (mΩ) | Current (A) |
| 20# | Ø1.00 | ≤5 | 7.5 |
| 16# | Ø1.60 | ≤2.5 | 13 |
| 12# | Ø2.40 | ≤1.5 | 23 |
Insulation resistance: ≥ 5000MΩ at 25˚C, and ≥ 500MΩ at 200˚C
Environmental Performance
- Operating Temperature: -55˚C to 175˚C (W class), -55˚C to 200˚C (L class, A class, S class)
- Relative Humidity: 94±4% at 65˚C
- Salt Spray Test Results:
- W class: 500 hours
- L class: 96 hours
- A class: 48 hours
- S class: 1000 hours
- Sealing:
- RFI Attenuation: Attenuation of 65-45dB at frequencies of 100-1000MHz (JY3475)
- Liquid Resistance: Resistant to aviation fuel, refrigerating oil, lubricating oil, and other 12 types of liquids (L class)
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