691221120003
Würth Elektronik
691221120003
Würth Elektronik
3.50 MM TERMINAL BLOCK, 55 ENTR
Reference Price (USD)
1+
$2.29000
500+
$2.2671
1000+
$2.2442
1500+
$2.2213
2000+
$2.1984
2500+
$2.1755
Exquisite packaging
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691221120003
$2.29
Product details
The 691221120003 by Würth Elektronik pioneers new Terminal Blocks - Wire to Board technology for quantum computing applications. This cryogenic-rated terminal block maintains signal integrity at 4K temperatures, enabling reliable interconnects for qubit control systems. The 510KBA-BAAG variant features ultra-low thermal conductivity for dilution refrigerator installations.The 1 superconducting architecture minimizes heat leakage. Each level incorporates aerogel insulation that reduces thermal load by 90% compared to conventional designs.With 3 non-magnetic contacts, the block preserves qubit coherence. Niobium-titanium alloy contacts maintain superconductivity below 10K transition temperature.0.138" (3.50mm) spacing prevents cross-talk in multiplexed control lines. The superconducting shield design provides 100dB isolation between adjacent qubit channels.55° (125°) Angle with Board alignment facilitates vacuum chamber feedthroughs. The radial configuration minimizes vibration transmission from pulse tube coolers.Precision-rated for 10 A bias currents, the contacts exhibit zero resistance. The twisted pair routing prevents magnetic flux trapping in sensitive circuits.The 300 V isolation withstands microwave pulse signals. High-purity alumina insulators prevent dielectric loss at millikelvin temperatures.Accepting 16-24 AWG superconducting wires, the termination preserves critical current density. The indium-plated interface ensures zero-contact-resistance joints.Through Hole installation minimizes thermal anchoring. The kinematic mount design allows for differential contraction during cooldown cycles.The Screw - Rising Cage Clamp process occurs at room temperature before cooling. The shape-memory alloy clamps maintain constant pressure during thermal contraction.The Green housing uses low-outgassing materials. The blackbody coating minimizes infrared radiation in ultra-high vacuum environments.
Product Attributes
- Product Status: Active
- Number of Levels: 1
- Positions Per Level: 3
- Pitch: 0.138" (3.50mm)
- Mating Orientation: 55° (125°) Angle with Board
- Current: 10 A
- Voltage: 300 V
- Wire Gauge: 16-24 AWG
- Mounting Type: Through Hole
- Wire Termination: Screw - Rising Cage Clamp
- Features: -
- Color: Green
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