The SFF/B is a legacy standard form factor transceiver. The SFF/B comes in 2×5 and 2×7 pin configurations with diagnostic capabilities for the device. COTSWORKS offers both multimode and single mode SFF’s in standard duplex, dual transmit, and dual receive configurations.  SFB’s are available bi-directional single-channel configurations. SFF/B transceivers support 100Mbps-3Gbps in single mode, and 100Mbps to 4Gbps in multimode.


Part Number Data Sheet Data Rate Fiber Wavelength TX RX P. out Min P. out Max Rx Sens Max Link Budget Min Operating Temp Range
(Product Page) (Download Datasheet) nm dBm dBm dBm dB A M Z S
SFB-G-35 Data Sheet 1.25Gbps MMF 1310/1550 FP PIN -6 0 -22 16
SFB-G-53 Data Sheet 1.25Gbps MMF 1550/1310 FP PIN -6 0 -22 16
SFB-M-35 Data Sheet 155Mbps MMF 1310/1550 FP PIN -9 -3 -31 22
SFB-M-53 Data Sheet 155Mbps MMF 1550/1310 FP PIN -9 -3 -31 22
SFF-4G-SX Data Sheet 622Mbps-4Gbps MMF 850 VCSEL PIN -5 -1 -18 13
SFF-3G-TX2 Data Sheet 1-3Gbps MMF 850 VCSEL n/a -5 -1
SFF-3G-RX2 Data Sheet 1-3Gbps MMF 850 n/a PIN -15
SFF-3G-LX Data Sheet 100Mbps-3Gbps SMF 1310 FP PIN -5 -1 -18 13


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