



1.25 G SFP Module – BIDI SFP Transceiver for Gigabit Ethernet
Model:
BIDI SFP 1.25G TX1550RX1310 20KM
Categories Products, SFP Module
- Data Rate: Up to 1.25 Gbps
- Transmitter Wavelength: 1310nm (FP Laser) / 1550nm (DFB Laser)
- Receiver Wavelength: 1490nm / 1310nm (InGaAs PIN Receiver)
- Transmission Distance: Up to 20km on 9/125µm SMF
- Connector Type: Single SC connector
- Power Supply: Single +3.3V
- Power Dissipation: <800mW

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Product Overview
The 1.25 G SFP Module is a high-performance, cost-effective Bi-Directional (BIDI) Small Form-Factor Pluggable (SFP) transceiver designed for Gigabit Ethernet and 1x Fibre Channel applications. This module supports data rates of up to 1.25 Gbps and offers a transmission distance of up to 20 kilometers over single-mode fiber (SMF). It is RoHS compliant, lead-free, and available in both commercial and industrial temperature ranges.
Key Features of 1.25 G SFP Module
- Data Rate: Up to 1.25 Gbps
- Wavelength: 1310nm/1550nm (TX) and 1490nm/1310nm (RX)
- Transmission Distance: Up to 20km on 9/125µm SMF
- Connector: Single SC connector
- Power Supply: Single +3.3V
- Power Dissipation: <800mW
- Operating Temperature: Commercial (0°C to +70°C) / Industrial (-40°C to +85°C)
- Compliance: RoHS, SFP MSA (SFF-8074i), FCC, IEC, FDA
- Digital Diagnostic Monitoring (DDMI): Optional
Applications
The 1.25 G SFP Module is ideal for:
- Gigabit Ethernet
- 1x Fibre Channel
- Data center interconnects
- Telecommunications
- Enterprise networks
Technical Specifications of 1.25 G SFP Module
Parameter | Value |
---|---|
Data Rate | 1.25 Gbps |
Wavelength (TX/RX) | 1310nm/1490nm or 1550nm/1310nm |
Transmission Distance | Up to 20km |
Connector Type | SC |
Power Supply | +3.3V |
Power Dissipation | <800mW |
Operating Temperature | Commercial: 0°C to +70°C Industrial: -40°C to +85°C |
Compliance | RoHS, SFP MSA, FCC, IEC, FDA |
Ordering Information
Part Number | Operating Temperature | DDMI |
---|---|---|
BIDI SFP 1.25G TX1310/RX1550 20KM | Commercial | No |
BIDI SFP 1.25G TX1310/RX1550 20KM | Commercial | Yes |
BIDI SFP 1.25G TX1310/RX1550 20KM | Industrial | No |
BIDI SFP 1.25G TX1310/RX1550 20KM | Industrial | Yes |