1.25G SFP Duplex 850nm Multimode Transceiver Module

Specifications

Model: TN3SFPMMLCG

Form Factor: SFP (Small Form-factor Pluggable)
Data Rate: 1.25Gbps (Gigabit Ethernet) / 1.063Gbps (Fiber Channel)
Wavelength: 850nm
Laser Type: 850nm VCSEL, Class 1 (IEC-60825 Compliant)
Fiber Type: Multimode Fiber (MMF), 62.5µm
Maximum Distance: Up to 500 meters
Connector Type: Duplex LC
Output Power: -12 to -3 dBm
Receiver Sensitivity: -22 dBm
Receiver Overload: -3 dBm
Extinction Ratio: ≥ 9 dB
Operating Temperature: 0°C to +70°C (Standard)
Storage Temperature: -40°C to +85°C
Power Supply Voltage: 3.3V (3.15V – 3.45V)
Maximum Supply Current: 300mA
Interface: AC Coupled CML Differential
Hot Pluggable: Yes
Digital Diagnostic Monitoring (DDM): Optional (SFF-8472 Compatible)
Compliant Standards: SFP MSA, SFF-8472, ITU-T G.957
Metal Enclosure for Lower EMI
Applications: Gigabit Ethernet, xDSL Applications, Metro Edge Switching, WDM Gigabit Ethernet Links

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The TN3SFPMMLCG is a 1.25G SFP multimode transceiver module designed for high-speed Gigabit Ethernet and Fiber Channel applications. Operating at 850nm over multimode fiber, it supports transmission distances up to 500 meters, making it ideal for enterprise networks, metro edge switching, and WDM Gigabit Ethernet links.

The transmitter utilizes an 850nm VCSEL laser compliant with IEC-60825 Class 1 safety standards, while the receiver incorporates a high-performance InGaAs detector with integrated preamplifier. Fully compliant with SFP MSA and SFF-8472 standards, the module supports hot-pluggable operation, optional Digital Diagnostic Monitoring (DDM), and low EMI performance through its metal enclosure design.

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