R255 III Series Differential

R255/3 series differential connector. Comply with R255A(MIL-DTL-38999)Ⅲ series. Quick thread coupling with anti-decoupling device
Technical documentation Datasheet R255 III Series Differential connectors

R255 III Series (MIL-DTL-38999 III Series) Differential (СКЦ102)
R255/3 series differential connector

Brief introduction
• Comply with R255A(MIL-DTL-38999)Ⅲseries
• Quick thread coupling with anti-decoupling device
• 8# contact cavities can be filled 8# 2-core differential
• contact, 8# 4-core differential contact, high frequency contact or optical contact
• 12# contact cavities can be filled with 12# power contact, 12# shielding contact or 12# coaxial contact
• 16# contact cavities can be filled with 16# power contact or 16# shielding contact
• 100% scoop-proof
• Ground spring to strengthen EMI/RFI shielding
• Transmission speed reaches 1.65Gbps
• Applicable for the high speed data transmission in aviation, military and other fierce environment
• Enterprise standard: 21E0.204.102JT

Technical details

1. Mechanical
• Shell: Aluminum alloy, stainless steel, composite
• Plating: W—olive green cadmium plating, aluminum alloy F—electroless nickel plating, aluminum alloy K—stainless steel passive
• Insulator: Thermoplastic or thermo-set
• Grommet and seal: Silicon rubber
• Contact: gold plating, copper alloy
• Endurance: 500 cycles
• Shock:At 3 ms half sinusoid, peak value of acceleration: 300g
• Vibration: Sinusoid: 60g, with temperature cycling Random: under high temperature, frequency 100~1000Hz, power spectrum density 1g2/Hz, rms 41.7g

2. Environmental
• Operating temperature: W class: -65℃~+175℃ F class: -65℃~+200℃
• Sealing: Comply with the requirement of R255A low pressure immersion – Salt spray: According to method 1001 GJB 1217 W class: 500 hours, F class: 48 hours
• Damp heat: 10 cycles in 24 hours according to R255A – Resistance to fluids: Fuels, coolant, solvent

3. Electrical Electrical connector:

• Shell continuity: W class 2.5 mΩ, F class 1 mΩ
• Shielding efficiency: at 10GHz, 65dB (F) / 50dB(W); at 1GHz, 85dB (F & W) 8# differential contact: 100Ω contact parameter:
• Insert arrangement: 2 cores or 4 cores
• Characteristics impedance: 100Ω
• Transmission rate: 0~1.65Gbps
• Transmission application: differential signal transmission: Ethernet, AFDX, DVI, LVDS, etc.
• Withstanding voltage: Central conductor to outer conductor 500V AC, between central conductors 1000V AC
• Contact resistance: ≤15mΩ(only central conductor)
• Insulation resistance: ≥5000MΩ (500Vdc)
• Rating current: central conductor 1A 110Ω contact parameter:
• Insert arrangement: 4 cores
• Characteristics impedance: 110Ω
• Transmission rate: 0~800Mbps
• Transmission application: differential signal transmission: AS5643, AS5706, IEEE1394b-2002
• Withstanding voltage: Central conductor to outer conductor 500V AC, between central conductors 1000V AC
• Contact resistance: ≤15mΩ(only central conductor)
• Insulation resistance: ≥5000MΩ (500Vdc)
• Rating current: central conductor 1A

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