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Finisar FTLX1475D3BTK 10GBASE-LR extended link SFP+ 1310nm 20km
10 Gb/s class 10GBASE-LR extended link budget SFP+ transceiver, 1310nm, up to 20km, industrial temperature.
- Manufacturer
- Coherent Corp. (formerly Finisar / II-VI)
- Mfr part number
- FTLX1475D3BTK
- Family
- FTLX1475
- Category
- Fiber optic transceiver modules
- Datasheet
- FTLX1475D3BTK datasheet (PDF)
FTLX1475D3BTK specifications
| Attribute | Value |
|---|---|
| Manufacturer | Coherent Corp. (Finisar) |
| Manufacturer part number | FTLX1475D3BTK |
| Product family | FTLX1475 |
| Form factor | SFP+ |
| Standards / application | SFF-8431, SFF-8432, IEEE 802.3ae 10GBASE-LR/LW, 10G Fibre Channel 1200-SM-LL-L |
| Data rate | 9.95–10.5 Gb/s (BCL); 9.83–10.5 Gb/s (BTL datasheet) |
| Wavelength | 1260–1355 nm |
| Laser | Uncooled 1310 nm DFB |
| Receiver | Limiting electrical interface receiver (PIN per EPS Global) |
| Reach | 10 km |
| Connector | Duplex LC |
| Tx output power | −8.2 to +0.5 dBm average (OMA min −5.2 dBm) |
| Rx sensitivity | −12.6 dBm OMA @ 10.3 Gb/s; stressed −10.3 dBm OMA |
| Extinction ratio | 3.5 dB |
| Supply voltage | 3.3 V (3.14–3.46 V) |
| Power dissipation | < 1 W |
| Operating temperature | Industrial |
| Diagnostics | SFF-8472 via 2-wire serial interface |
| Compliance | RoHS-6 |
| Lifecycle | Current production |
| Variant note | Transceiver guide: 10.5 Gb/s, 20 km, -40 to 85 °C, 10G LR / 10x FC |
Optical and electrical values are from the Finisar / Coherent family datasheet; temperature grade is per part number. Confirm critical values with us before ordering.
About the Finisar FTLX1475D3BTK
The Finisar FTLX1475D3BTK (now a Coherent Corp. product, formerly II-VI) is a SFP+ 10GBASE-LR extended link budget optical transceiver for 10 Gb/s class links at 1310nm over Duplex SMF LC, with reach up to 20km. It is an industrial-temperature part. It belongs to Finisar's FTLX1475 family, which has 6 orderable variants that differ by temperature grade, latch, receiver build or wavelength channel. Typical uses: 10G Ethernet, 10G Fibre Channel, SONET OC-192 / OTN and DWDM metro / DCI links.
- Hot-pluggable SFP+ footprint
- Supports 9.95 to 10.5 Gb/s bit rates
- Power dissipation < 1W
- Uncooled 1310nm DFB laser
- Maximum link length of 10km
- Built-in digital diagnostic functions
FTLX1475D3BTK: frequently asked questions
What is the Finisar FTLX1475D3BTK?
The FTLX1475D3BTK is a Finisar SFP+ transceiver for 10GBASE-LR extended link budget at 10 Gb/s class. Finisar is now part of Coherent Corp. (formerly II-VI), and the part number is unchanged. It is used for 10G Ethernet, 10G Fibre Channel, SONET OC-192 / OTN and DWDM metro / DCI links.
What is the maximum distance of the FTLX1475D3BTK?
The FTLX1475D3BTK is specified for up to 20km over Duplex SMF LC. Long-reach optics may need an attenuator on short links; we can advise based on your link loss.
What is the optical power budget of the FTLX1475D3BTK?
Per the Finisar family datasheet, the FTLX1475D3BTK transmits −8.2 to +0.5 dBm average (OMA min −5.2 dBm) and has a receiver sensitivity of −12.6 dBm OMA @ 10.3 Gb/s; stressed −10.3 dBm OMA.
Does the FTLX1475D3BTK support DDM / digital diagnostics?
Yes. SFF-8472 via 2-wire serial interface. Your switch can read live temperature, voltage, laser bias and Tx/Rx power.
Which fiber and connector does the FTLX1475D3BTK use?
The FTLX1475D3BTK works at 1310nm over Duplex SMF LC. Both ends of a link must use the same optical standard.
Will the FTLX1475D3BTK work in my Cisco, Juniper, Arista or HPE switch?
The FTLX1475D3BTK follows the SFP+ MSA, so it fits any matching port. It carries Finisar's own EEPROM programming; switches that check the module vendor may need a configuration setting or a vendor-branded optic. Send us your switch model and we confirm before dispatch.
FTLX1475D3BTK vs FTLX1475D3BCL: what is the difference?
Both are in Finisar's FTLX1475 family. They differ in temperature grade (industrial vs commercial); reach (20km vs 10km); build / application (10GBASE-LR extended link budget vs 10GBASE-LR/LW, 10GFC). Pick the variant that matches your temperature, latch and wavelength needs.
What temperature range is the FTLX1475D3BTK rated for?
The FTLX1475D3BTK is an industrial-temperature part. Industrial grade suits outdoor cabinets, telecom huts and plant floors.
What does the FTLX1475D3BTK part number mean?
The FTLX prefix marks Finisar's 10G family (SFP+, XFP, X2, XENPAK). The I letter in the suffix usually marks the industrial temperature grade. The remaining characters identify the optical design and build variant.
Is your FTLX1475D3BTK genuine Finisar?
Yes. Next Gen Networks supplies original Finisar / Coherent modules, not third-party lookalikes or grey-market stock, and shares serial numbers on request.
What is the FTLX1475D3BTK price in India and how do I order?
The Finisar FTLX1475D3BTK price in India depends on quantity, delivery city and current stock. Next Gen Networks supplies it with a GST invoice (input tax credit ready) and pan-India dispatch from New Delhi. Send the part number, quantity and delivery city on WhatsApp +91-7827955775 or email Sales@nextgennetworks.in for a GST quote.
What power does the FTLX1475D3BTK need?
It runs from 3.3 V (3.14–3.46 V) with power dissipation of < 1 W.
Documents
NextGen datasheetPDF · specs, FAQ & buying guideManufacturer datasheet
Finisar / Coherent family datasheet
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