FTL4S1QE1C Optical Transceiver

Coherent FTL4S1QE1C Optical Transceiver is a hot-pluggable transceiver module designed for 40 Gigabit Ethernet links over duplex multi-mode fiber (MMF). The FTL4S1QE1C complies with the SWDM4 Quad Small Form-Factor Pluggable QSFP+ MSA and IEEE 802.3ba XLPPI electrical interface. Coherent FTL4S1QE1C Optical Transceiver features built-in digital diagnostic functions, including Tx/Rx power monitoring, which are available via an I2C interface as specified by the QSFP+ MSA.

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Product
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Coherent Fibre Optic Transceivers TXRX 1310NM DFB, PIN
Datasheet
5In Stock
1.500On Order
Min.: 1
Mult.: 1

10.5 GBd SFP+ 10 km 1310 nm LC Singlemode - 5 C + 70 C Transceivers 28 ps Laser 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 3.3V, RJ-45 conn w/ serial ID, 100m
Datasheet
1.836On Order
Min.: 1
Mult.: 1

1.25 GBd SFP 100 m MT-RJ - 40 C + 85 C Transceivers 175 ps 3.3 V Ethernet
Coherent Fibre Optic Transceivers 40Base-SR4 QSFP+ 10GBase-SR 300m
Datasheet
495Expected 8/11/2026
Min.: 1
Mult.: 1

41.2 GBd QSFP+ 150 m 850 nm MTP (MPO) Multimode 0 C + 70 C FTL410QxxC Transceivers 28 ps VCSEL 3.3 V Ethernet
Coherent Fibre Optic Transceivers GigE 1x/2x FC, 2.126 Gb/s trnscvr, 550m
Datasheet
297On Order
Min.: 1
Mult.: 1

2.125 GBd SFF 550 m 850 nm LC - 10 C + 85 C Transceivers 170 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers GigE 1x/2x FC, 2.127 Gb/s trnscvr, 550m
Datasheet
683On Order
Min.: 1
Mult.: 1

2.125 GBd SFF 550 m 850 nm LC - 40 C + 85 C Transceivers 170 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 1x/2x/4x FC4.25 Gb/s trnscvr LC conn
Datasheet
400Expected 3/30/2027
Min.: 1
Mult.: 1

4.25 GBd SFF 550 m 850 nm LC - 10 C + 85 C Transceivers 120 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 1x/2x/4x FC4.25 Gb/s trnscvr, LC conn
Datasheet
601On Order
Min.: 1
Mult.: 1

4.25 GBd SFF 550 m 850 nm LC - 10 C + 85 C Transceivers 120 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 4Gb/s transceiver LC connector, 550m
Datasheet
2.797On Order
Min.: 1
Mult.: 1

4.25 GBd SFF 550 m 850 nm LC - 40 C + 85 C Transceivers 120 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 2x/4x/8x FC8.5 Gb/s trnscvr LC Conn
Datasheet
390On Order
Min.: 1
Mult.: 1

8.5 GBd SFP+ 100 m 850 nm LC Multimode - 5 C + 70 C Transceivers 120 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 2x/4x/8x FC8.5 Gb/s trnscvr LC Conn
Datasheet
436On Order
Min.: 1
Mult.: 1

8.5 GBd SFP+ 100 m 850 nm LC Multimode - 5 C + 70 C Transceivers 120 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers XCVR, OSFP Closed Top Integrated Heatsink, 500m, 800G-DR8, 8x 13XXnm EML, SMF, pull tab, MPO16, ROHS compliant, 3.3V, 17W, 20/60 C operation
Datasheet
2Expected 8/14/2026
Min.: 1
Mult.: 1

850 Gb/s QSFP 500 m 1304.5 nm to 1317.5 nm MPO Singlemode 0 C + 70 C 800G-DR8 Transceivers 3.3 V Ethernet, Fibre Channel


Coherent Fibre Optic Transceivers XCVR,QSFP28, 2km,100GE CWDM4,4X 13XXnm CWDM DFB,SMF,pull tab,LC,ROHS compliant, 3.3V, 3.5W, 0/70 C operation, Gen3
12Expected 8/17/2026
Min.: 1
Mult.: 1

103.1 GBd QSFP+ 2 km 1310 nm LC Singlemode 0 C + 70 C Transceivers Laser 3.3 V Ethernet


Coherent Fibre Optic Transceivers XCVR,QSFP28,100m, 40GBASE-SR4/100GBASE-SR4,4x 850nm VCSEL,MMF,pull tab,MPO,ROHS compliant, 3.3V, 2.5W, 0/70 C operation, dual rate
Datasheet
4In Stock
Min.: 1
Mult.: 1

103.1 GBd QSFP 100 m 850 nm MTP (MPO) Multimode 0 C + 70 C Transceivers 12 ps VCSEL 3.3 V Ethernet
Coherent Fibre Optic Transceivers XCVR,QSFP28,100m,100GBASE-SR4,4x 850nm VCSEL,MMF,pull tab,MPO,ROHS compliant, 3.3V, 2.5W, 0/85 C operation, E-temp
4Expected 9/17/2026
Min.: 1
Mult.: 1

103.1 GBd QSFP 100 m 850 nm MTP (MPO) Multimode 0 C + 85 C Transceivers 12 ps VCSEL 3.3 V Ethernet
Coherent Fibre Optic Transceivers TXRX 1310NM DFB, PIN
Datasheet
20Expected 8/17/2026
Min.: 1
Mult.: 1

10.5 GBd SFP+ 10 km 1310 nm LC Singlemode - 5 C + 85 C Transceivers 28 ps Laser 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 4x/8x/16x FC, 14.025 Gb/s trnscvr, 10km
Datasheet
110Expected 8/24/2026
Min.: 1
Mult.: 1

14.025 GBd SFP+ 10 km 1310 nm LC Singlemode - 5 C + 85 C Transceivers 120 ps Laser 3.3 V Fibre Channel
Coherent Fibre Optic Transceivers GigE 1x/2x FC, 2.125 Gb/s trnscvr, 550m
Datasheet
119On Order
Min.: 1
Mult.: 1

2.125 GBd SFF 550 m 860 nm LC 0 C + 70 C Transceivers 170 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers 850nm Oxide VCSEL, 25GE/10GE, 25.78/10.3 Gb/s transceiver, RoHS compliant, multimode, pluggable SFP+ footprint, 3.3V, LC connector, bail, digital diagnostics, -0/70 C operation, 100m on OM4 fiber
Datasheet
66Expected 8/17/2026
Min.: 1
Mult.: 1

Coherent Fibre Optic Transceivers 850nm Oxide VCSEL, 25GE/10GE, 25.78/10.3 Gb/s transceiver, RoHS compliant, multimode, pluggable SFP+ footprint, 3.3V, LC connector, bail, digital diagnostics, -0/70 C operation, 100m on OM4 fiber
Datasheet
25Expected 1/21/2027
Min.: 1
Mult.: 1

25.78 GBd SFP+ 100 m 850 nm LC Multimode 0 C + 70 C Transceivers VCSEL 3.3 V Ethernet
Coherent FTL4C1QL3C
Coherent Fibre Optic Transceivers XCVR, QSFP, 2km 40GE Lite, 4x10G CWDM DFB, PIN, Limiting, XLPPI electrical interface, LC, ROHS, 3.3V, 3.5W, 0/70 C operation, Gen3 Non-Stocked
Min.: 1
Mult.: 1

41.2 GBd QSFP+ 2 km 1337.5 nm LC Singlemode 0 C + 70 C Transceivers 28 ps Laser 3.3 V Ethernet
Coherent Fibre Optic Transceivers XCVR,QSFP28,100GBASE-SR4,40/70/100m with no/Clause 74/Clause 91 host FEC,4X 850nm VCSEL,MMF,pull tab,MPO,ROHS, 3.3V, 2.5W, 0/70 C operation, GEN2
Datasheet
44In Stock
12Expected 8/18/2026
Min.: 1
Mult.: 1

Coherent Fibre Optic Transceivers 1310nm DFB, CPRI/eCPRI (24.33Gbps/25.78Gbps) transceiver, RoHS compliant, SMF, pluggable SFP+ footprint, 3.3V, LC connector, bail, digital diagnostics, -40/85 C operation, 300m
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1

25.78 Gb/s SFP 300 m 1310 nm LC Multimode - 40 C + 85 C FTLF1436W5 Transceivers Laser 3.15 V to 3.46 V Ethernet
Coherent Fibre Optic Transceivers 1x/2x/4x FC4.25 Gb/s EMI shield transcvr
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

4.25 GBd SFF 550 m 850 nm LC - 10 C + 85 C Transceivers 120 ps VCSEL 3.3 V Ethernet, Fibre Channel
Coherent Fibre Optic Transceivers XCVR, QSFP56, 2km, 200GBASE-FR4, 4x 13XXnm CWDM DFB, SM, pull tab, LC, ROHS compliant, 3.3V, 20-60C operation
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

Coherent Fibre Optic Transceivers XCVR, QSFP56, 2km, 200GBASE-FR4, 4x 13XXnm CWDM DFB, SM, pull tab, LC, ROHS compliant, 3.3V, 20-60C operation
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

QSFP 2 km SFP FTCC1112 Transceivers 3.3 V Fibre Channel