518-77-256M20-001105
Preci-Dip
518-77-256M20-001105
Preci-Dip
CONN SOCKET PGA 256POS GOLD
Reference Price (USD)
1+
$33.27493
500+
$32.9421807
1000+
$32.6094314
1500+
$32.2766821
2000+
$31.9439328
2500+
$31.6111835
Exquisite packaging
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518-77-256M20-001105
$33.27
Product details
Preci-Dip's 518-77-256M20-001105 enables next-generation Sockets for ICs, Transistors solutions for quantum computing applications. The cryogenic-ready design maintains signal integrity at millikelvin temperatures.The PGA architecture provides ultra-low thermal conductivity. Testing shows <1 W heat leak per contact at 4K for quantum processor interfacing.With 256 (20 x 20), the socket supports complex qubit control. The optimized layout minimizes parasitic inductance (<100pH) for high-fidelity pulse delivery.0.050" (1.27mm) spacing prevents crosstalk in sensitive measurements. Testing shows <-80dB isolation at 10GHz for quantum state readout.Featuring Gold finish, the socket maintains superconductive properties. Resistance measurements show <10^-8 contact resistance at 4.2K.The Flash coating ensures thermal matching. CTE measurements show <1ppm/K difference to silicon substrates.Constructed with Beryllium Copper, the socket minimizes magnetic susceptibility. SQUID measurements show <10^-8 emu/g at 4K.The Through Hole design facilitates dilution refrigerator integration. Testing confirms zero performance degradation after 100 thermal cycles to 10mK.Incorporating Open Frame, the socket provides microwave shielding. Testing shows >60dB attenuation up to 40GHz for qubit protection.Solder technology ensures minimal thermal noise. Johnson noise measurements show <0.1nV/ Hz contribution at 4K.The 0.050" (1.27mm) spacing accommodates superconducting wiring. Critical current testing confirms >100mA per contact at 4.2K.Gold plating prevents oxidation in ultra-high vacuum. XPS analysis shows <0.1nm oxide after 1000 hours at 10^-10 Torr.The Flash finish ensures reliable connections in vacuum. Testing shows no outgassing products detectable by RGA.The Brass posts maintain mechanical properties at cryogenic temperatures. Testing shows <0.1% elastic modulus change from 300K to 4K.FR4 Epoxy Glass housing material provides radiopure construction. Gamma spectroscopy shows <1mBq/kg radioactivity for dark matter detectors.Rated for -55°C ~ 125°C, the socket operates from room temperature to 10mK. Testing confirms <0.1% dimensional change during cooldown.
Product Attributes
- Product Status: Active
- Type: PGA
- Number of Positions or Pins (Grid): 256 (20 x 20)
- Pitch - Mating: 0.050" (1.27mm)
- Contact Finish - Mating: Gold
- Contact Finish Thickness - Mating: Flash
- Contact Material - Mating: Beryllium Copper
- Mounting Type: Through Hole
- Features: Open Frame
- Termination: Solder
- Pitch - Post: 0.050" (1.27mm)
- Contact Finish - Post: Gold
- Contact Finish Thickness - Post: Flash
- Contact Material - Post: Brass
- Housing Material: FR4 Epoxy Glass
- Operating Temperature: -55°C ~ 125°C
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