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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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Data Rate
Form Factor or Case Style
Transmission Distance
Wavelength
Connector Type
Fibre Type
Minimum Operating Temperature
Maximum Operating Temperature
Series
Product
Rise Time
Emitting Source
Operating Supply Voltage
Application
Coherent Fibre Optic Transceivers 3.3V, RJ-45 conn w/ serial ID, 100m
Datasheet
351Expected 13/10/2026
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
595Expected 11/08/2026
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 30/03/2027
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 TXRX 1310NM DFB, PIN
Datasheet
1 492On 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 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 14/08/2026
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 17/08/2026
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,QSFP28,100GBASE-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
4Expected 10/08/2026
Min.: 1
Mult.: 1



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
4Expected 10/08/2026
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 17/09/2026
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 17/08/2026
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 TXRX 1271NM/1331NM D
Datasheet
40Expected 14/08/2026
Min.: 1
Mult.: 1

11.3 GBd SFP+ 30 km 1331 nm LC Singlemode - 40 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 24/08/2026
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 17/08/2026
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
Coherent Fibre Optic Transceivers XCVR, QSFP56, 2KM, 200GBASE-FR4, 4X 13XXNM CWDM DFB, SM, pull tab, LC, ROHS compliant, 0-70C operation
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

212.5 Gb/s QSFP 2 km 1331 nm LC Singlemode 0 C + 70 C 200GBASE-FR4 Transceivers 3.3 V