Shenzhen UTOP Technology Co., Ltd.
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100G QSFP28 Passive Direct Attach Copper (DAC) Twinax Cables 0.5m-3m for data center
QSFP28-100G-PCU1M (or xM)
Product Details:
Features
• Up to 25.78Gb/s data rate per channel
• QSFP28 conforms to the Small Form Factor SFF-8665
• 4-Channel Full-Duplex Passive Copper Cable Transceiver
• Maximum aggregate data rate: 100Gb/s (4 x 25.78Gb/s)
• Copper link length up to 3m (passive limiting)
• High-Density QSFP 38-PIN Connector
• Power Supply :+3.3V
• Low power consumption: 0.02 W (typ.)
• I2C based two-wire serial interface for EEPROM signature which can be customized
• Temperature Range: 0~ 70 °C
• ROHS Compliant
Applications
General Product Characteristics
| SFP+ DAC Specifications | |
| Number of Lanes | Tx & Rx |
| Channel Data Rate | 25.78Gb/s |
| Operating Temperature | 0 to + 70°C |
| Storage Temperature | -40 to + 85°C |
| Supply Voltage | 3.3 V nominal |
| Electrical Interface | 38 pins edge connector |
| Management Interface | Serial, I2C |
High Speed Characteristics
| Parameter | Symbol | Min | Typ | Max | Units | Notes |
| Differential Impedance | Zd | 90 | 100 | 110 | Ω | |
|
Differential Input Return Loss |
SDDXX | <-12+2* SQRT (f) with f in GHz | dB | 0.01~4.1GHz | ||
| <-6.3+13* Log10/(f/5.5) with f in GHz |
dB |
4.1~19GHz | ||||
| Common Mode Output Return Loss |
SCCXX | < -7+1.6*f with f in GHz | dB | 0.01~12.89GHz | ||
| -3 | dB | 12.89~19GHz | ||||
| Difference Waveform Distortion Penalty | dWDPc | 6.75 | dB | |||
| VMA Loss | L | 4.4 | dB
| |||
| VMA Loss to Crosstalk Ratio | VCR | 32.5 | dB | |||
The connector is compatible with the SFF-8665 specification.
Mechanical Specifications
Product show:
Testing Show:
Ordering informations:
| Length (m) | Cable AWG |
| 1 | 30 |
| 2 | 30 |
| 3 | 28 |
| 4 | 28 |
| 5 | 26 |