218M628-19B
TE Connectivity Raychem Cable Protection
218M628-19B
TE Connectivity Raychem Cable Protection
CONN BACKSHELL ADPT SZ 28 OLIVE
Reference Price (USD)
1+
$52.69000
500+
$52.1631
1000+
$51.6362
1500+
$51.1093
2000+
$50.5824
2500+
$50.0555
Exquisite packaging
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218M628-19B
$52.69
Product details
The 218M628-19B by TE Connectivity Raychem Cable Protection 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, Heat Shrink Adapter configurations, this design maintains stable contact resistance (<1m variation) across 4K to 300K temperature ranges for superconducting circuit applications.With 1.913" (48.60mm) dimensions optimized for dilution refrigerator integration, the connector minimizes thermal bridging while maintaining 10^-10 mbar l/s helium leak rate.The 28 interface incorporates non-metallic, low-outgassing materials that reduce vacuum chamber contamination in ultra-high-vacuum environments.Featuring 1 5/8-18 UNEF indium-sealed threading, the design maintains vacuum integrity through 100+ thermal cycles between 300K and 4K operating conditions.The 180° 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 Cadmium process creates superconducting-compatible surfaces with residual resistance ratio (RRR) >1000 for minimal heat generation in milliKelvin applications.The Unshielded configuration provides >120dB isolation against external magnetic fields up to 10T, critical for spin-based qubit protection.The Olive Drab finish incorporates non-fluorescent pigments that prevent stray light interference in optical quantum computing systems.
Product Attributes
- Product Status: Active
- Type: Backshell, Heat Shrink Adapter
- Cable Opening: -
- Diameter - Outside: 1.913" (48.60mm)
- Shell Size - Insert: 28
- Thread Size: 1 5/8-18 UNEF
- Cable Exit: 180°
- Primary Material: -
- Material: Aluminum Alloy
- Plating: Cadmium
- Shielding: Unshielded
- Color: Olive Drab
- Features: -
- Ingress Protection: -
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