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25G Optical Module
25G SFP28 eSR 850nm 300m Transceivers
Supports up to 25.78Gbps bit rates
Hot-pluggable SFP+ footprint
850nm VCSEL laser and PIN photodiode
300m over 50/125 um OM4
200m over 50/125um OM3
Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle
Compatible with RoHS
Single +3.3V power supply
Real Time Digital Diagnostic Monitoring
Operating case temperature:
Standard: 0 to +70°C
Industrial: -40~85°C
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HT-25G-SFP28-eSR 25G SFP28 transceivers are high performance, cost effective modules supporting data rate of 25.78Gbps over multimode fiber. The transceiver consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The HT-25G-SFP28-eSR transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.

Technical specifications：

P/N HT-25G-SFP28-eSR Package SFP28
Rate 25G/ps Distance 300米
Wavelength 850nm Operation temperature 0 至 70°C（32 至 158°F）
Connector Duplex LC Voltage 3.3V
Fiber type MMF DDM Yes
Laser Diode VCSEL 850nm Receiver PIN
Tx power -8.4~+2.4dBm Receiving sensitivity <-11.9dBm
Protocol Comply with MSA Warranty Two years