Optical module
RealSea’s SFP28-25G-ER optical transceivers are based on 25G Ethernet IEEE 802.3cc standard. They are compliant with SFF-8402, SFF-8432 and SFF-8472,providing a fast and reliable interface for 25G Ethernet applications. The product implements digital diagnostics via a 2-wire serial bus and is compliant with the SFF-8472 standard.
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Operating data rate support 24.3Gbps to 26.5Gbps
Internal CDR on both Transmitter and Receiver channel
Hot-pluggable SFP28 footprint
1310nm DFB laser transmitter and PIN PD Receiver
Duplex LC connector
Built-in digital diagnostic functions
Up to 30km on SMF
Single power supply 3.3V
Operating temperature range： 0◦C to 70◦C
General Specifications
Parameter | Symbol | Min | Typ | Max | Unit |
Data Rate | DR | 25.78 | Gb/s | ||
Bit Error Rate | BER | 5x10−5 | |||
| Operating Temperature | Tc | 0 | 70 | ◦C | |
Storage Temperature | TSTO | -40 | 85 | ◦C | |
Surge Current | Icc | 200 | 400 | mA | |
Input Voltage | Vcc | 3.14 | 3.30 | 3.46 | V |
| Maximum Voltage | VMAX | -0.5 | 4 | V |
| Product attributes | |||
Brand | Realsea Technology | RX Sensitivity : | < -19dBm |
Part Number | SFP28-25G-ER | Power dissipation : | ≤1.5w |
Data Rate | 25 Gbps | DDM/DOM : | Supported |
Connector Type | SFP28 | EMC : | Supported |
Wavelength : | 1310nm | Commercial Temperature : | 0 to 70°C (32 to 158°F) |
Transmission Distance : | 30KM | MTBF : | 1,000,000 Hours |
Connector : | LC Duplex | Receiver Overload : | -4dBm |
TX output Power : | -1.0 ~ 5dBm | Extinction Ratio : | >4dB |
Transmitter Type : | DML | Warranty : | 3 year |
RX Type : | PIN | ||
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