4281-2-20-D
CNC Tech
4281-2-20-D
CNC Tech
CONN RCPT HSG 20POS 4.20MM
Reference Price (USD)
1+
$0.54000
500+
$0.5346
1000+
$0.5292
1500+
$0.5238
2000+
$0.5184
2500+
$0.513
Exquisite packaging
Discount
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4281-2-20-D
$0.54
Product details
The 4281-2-20-D from CNC Tech sets new standards in Rectangular Connectors - Housings for hyperscale data centers. Its high-density architecture supports 400G Ethernet and PCIe Gen5 while optimizing thermal management.The Receptacle design incorporates novel airflow channels that reduce thermal resistance by 40% compared to conventional high-speed connectors.Optimized Female Socket contacts feature elliptical cross-sections that minimize skin effect losses at 56GHz, critical for 112G PAM4 signaling.With 20 positions, the connector supports 51.2T switch fabrics while maintaining <0.35dB/inch insertion loss at 28GHz.The 0.165" (4.20mm) ultra-low-loss pitch configuration enables 112Gbps NRZ signaling with <1ps skew across 256 differential pairs.The 2-row orthogonal directivity design provides >25dB return loss up to 50GHz for millimeter-wave applications.Optimized 0.165" (4.20mm) spacing prevents mode conversion in 400G CR8 optical engine interfaces while allowing adequate cooling airflow.The Free Hanging (In-Line) version includes integrated heat sinks that dissipate 15W per linear inch without requiring additional airflow.Crimp technology creates impedance-controlled transitions with <5% variation across entire connector length.The Latch Lock system provides precise coplanarity (<50 m) across 400+ contacts required for large ASIC packages.The White housing material exhibits <0.02 dielectric constant variation from 1-50GHz for consistent signal propagation.
Product Attributes
- Product Status: Active
- Connector Type: Receptacle
- Contact Type: Female Socket
- Number of Positions: 20
- Pitch: 0.165" (4.20mm)
- Number of Rows: 2
- Row Spacing: 0.165" (4.20mm)
- Mounting Type: Free Hanging (In-Line)
- Contact Termination: Crimp
- Fastening Type: Latch Lock
- Color: White
- Features: -
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