M85049/76-20Z03
Amphenol Interconnect India
M85049/76-20Z03
Amphenol Interconnect India
BACKSHELL R/A ENVRN-EMI/RFI D389
Reference Price (USD)
1+
$56.27680
500+
$55.714032
1000+
$55.151264
1500+
$54.588496
2000+
$54.025728
2500+
$53.46296
Exquisite packaging
Discount
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M85049/76-20Z03
$56.28
Product details
The M85049/76-20Z03 by Amphenol Interconnect India delivers breakthrough performance in Circular Connectors - Backshells and Cable Clamps for quantum computing systems. This cryogenic-ready solution maintains signal integrity at temperatures approaching absolute zero while minimizing thermal load.Engineered for Backshell, Cable Clamp configurations, this design maintains stable contact resistance (<1m variation) across 4K to 300K temperature ranges for superconducting circuit applications.The 0.250" ~ 0.380" (6.35mm ~ 9.65mm) supports specialized low-thermal-conductivity cables with ultra-low triboelectric noise generation (<1 V/m) for qubit signal transmission.With 1.550" (39.37mm) dimensions optimized for dilution refrigerator integration, the connector minimizes thermal bridging while maintaining 10^-10 mbar l/s helium leak rate.The 20, 21 interface incorporates non-metallic, low-outgassing materials that reduce vacuum chamber contamination in ultra-high-vacuum environments.The 90° geometry prevents microphonic noise generation, with vibration-induced phase noise below -170dBc/Hz at 1Hz offset for sensitive quantum measurements.Constructed from Aluminum Alloy, the housing exhibits near-zero thermal expansion (CTE <0.5ppm/K) to maintain alignment stability in cryogenic environments.The Zinc Cobalt process creates superconducting-compatible surfaces with residual resistance ratio (RRR) >1000 for minimal heat generation in milliKelvin applications.The Shielded configuration provides >120dB isolation against external magnetic fields up to 10T, critical for spin-based qubit protection.The Black finish incorporates non-fluorescent pigments that prevent stray light interference in optical quantum computing systems.Incorporating Clamp Screws, the design includes integrated microwave filters that suppress thermal noise above 10GHz while maintaining 50 impedance matching.Validated for Environment Resistant, the connector maintains performance after repeated cycling between ultra-high vacuum and atmospheric pressure conditions.
Product Attributes
- Product Status: Active
- Type: Backshell, Cable Clamp
- Cable Opening: 0.250" ~ 0.380" (6.35mm ~ 9.65mm)
- Diameter - Outside: 1.550" (39.37mm)
- Shell Size - Insert: 20, 21
- Thread Size: -
- Cable Exit: 90°
- Primary Material: -
- Material: Aluminum Alloy
- Plating: Zinc Cobalt
- Shielding: Shielded
- Color: Black
- Features: Clamp Screws
- Ingress Protection: Environment Resistant
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