SFP 100G BIDI QSFP28
Variant Specifications
General Specifications
Parameter | Details |
Form Factor | QSFP28 (Hot-pluggable) |
Data Rate | 100G (4x25.78125 Gb/s electrical interface, PAM4 modulated) |
Wavelength (BIDI) | TX: 1264.5–1277.5 nm / RX: 1324.5–1337.5 nm (or vice versa) |
Fiber Type | Single-Mode Fiber (SMF) |
Max Distance | 10 km (with FEC) |
Connector Type | Dual LC (Bidirectional, one TX/RX pair per fiber) |
Power Consumption | ≤5W (3.3V supply, max current 1.52A) |
Operating Temperature | Model-dependent: 0°C to +70°C, -20°C to +85°C, or -40°C to +85°C |
Compliance | IEEE 802.3cu, SFF-8636, SFF-8679, 100G Lambda MSA |
Electrical Specifications
Parameter | Range/Value |
Supply Voltage | 3.135V – 3.465V |
Lane Signaling Rate | 106.256 Gb/s (PAM4, 53.125 Gbaud ±100 ppm) |
Input Differential Voltage | 85 mV – 900 mV (pk-pk) |
Output Differential Voltage | 200 mV – 900 mV (pk-pk) |
Impedance (Tx/Rx) | 90–110 Ω (differential) |
Optical Specifications
Transmitter
Parameter | Range/Value |
Average Launch Power | -1.4 dBm (min) to +4.5 dBm (max) |
Optical Modulation Amplitude | 0.7 dBm (min) to 4.7 dBm (max) |
Extinction Ratio | ≥3.5 dB |
RIN (OMA) | ≤-136 dB/Hz |
Reflectance | ≤-26 dB |
Receiver
Parameter | Range/Value |
Receiver Sensitivity (OMA) | -6.1 dBm (typ) / -7.5 dBm (stressed) |
Max Input Power | +4.5 dBm (non-damaging) |
Damage Threshold | +5.5 dBm |
Mechanical & Environmental
- Dimensions: 72.40 mm (L) x 18.85 mm (W) x 11.41 mm (H) ±0.2 mm.
- Storage Temperature: -40°C to +85°C.
- Humidity: ≤85% (non-condensing).
Diagnostics & Monitoring
Supports I2C-based DDM (Digital Diagnostic Monitoring):
Parameter | Accuracy |
Temperature | ±5°C |
Supply Voltage | ±3% |
TX/RX Power | ±3 dB |
Bias Current | ±10% |
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