25G SFP28 BIDI LR Transceiver for 10km SMF Links, 1270/1330nm Simplex LC
SFP28BD-25-1213-10(LR)-LC
- Broad Multi-Brand Compatibility
- Flexible Customization Support
- Tested for Reliable Performance
- Fast Response & Delivery
- Professional Technical Support
The FC-LINK SFP28 BIDI 25G 1270/1330nm 10km LR LC SX transceivers are high-performance modules designed for Ethernet links, supporting data rates of up to 25.78Gbps and transmission distances of up to 10km. These transceivers are compliant with SFF-8472 and are compatible with SFF-8432 and relevant parts of SFF-8431 standards.Additionally, the product meets RoHS compliance and is lead-free, adhering to Directive 2011/96/EU, making it an environmentally friendly and reliable solution for high-speed networking applications.
| SPECIFICATIONS | |||
|---|---|---|---|
| Product Model | SFP28BD-25-1213-10(LR)-LC | Manufacturer Brand | FC-LINK |
| Package Type | SFP28 | Optical Connector | LC |
| Max Data Rate | 25.78Gbps | Channel Data Rate | - |
| Effective Transmission Distance | 10km | ||
| Wavelength | 1270nm-TX/1330nm-RX | Operating Voltage | 3.3V |
| Fiber Type | SMF | Core Size | 9/125µm |
| Transmitter Type | DFB BiDi | Receiver Type | PIN |
| TX Power | -2~4dBm | Receiver Sensitivity | <-13dBm |
| Digital Optical Monitoring(DOM) | YES | Receiver Overload | 2dBm |
| Power Consumption | ≤1W | Protocols | MSA, CPRI, eCPRI |
| Operating Temperature(Commercial) | 0℃~+70℃ | Storage Temperature(Commercial) | -40℃~+85℃ |
Server-to-Switch Data Center Links
Used for 10G/25G/100G optical uplinks between servers and top-of-rack switches in high-density data center deployments.
Building-to-Building Campus Backbone
Suitable for 1G/10G fiber links between office buildings, campus distribution rooms, and backbone aggregation points.
Access-to-Core Enterprise Uplinks
Designed for switch uplinks from access to aggregation or core layers in enterprise and campus network architectures.
Industrial Switching in Harsh Environments
Applied in industrial Ethernet, automation systems, and outdoor cabinets where wider temperature tolerance and stable fiber communication are required.
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Compatible Brands
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Packaging Design
Temperature Grade Selection
| General Specifications | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note | |||
| Transmitter | |||||||||
| Center Wavelength | λt | 1265 | 1271 | 1277 | nm | - | |||
| 1325 | 1331 | 1337 | nm | - | |||||
| spectral width(-20dB) | △λ | - | - | 1 | nm | - | |||
| Average optical Power | Pavg | -5.0 | - | 2 | dBm | 1 | |||
| Laser off power | Poff | - | - | -30 | dBm | - | |||
| Side mode suppression ratio | - | 30 | - | - | - | - | |||
| Extinction ratio | ER | 3.5 | - | - | dB | - | |||
| Optical return loss tolerance | - | - | - | -12 | dB | - | |||
| Receiver | |||||||||
| Center wavelength | λr | 1325 | 1331 | 1337 | nm | - | |||
| 1265 | 1271 | 1277 | nm | - | |||||
| Receiver sensitivity | Sen | - | - | -9 | dB | 2 | |||
| Los assert | LOSA | -30 | - | - | dBm | - | |||
| Los dessert | LOSD | - | - | -16 | dBm | - | |||
| Los hysteresis | LOSH | 0.5 | - | - | dB | - | |||
| Overload | - | 2 | - | - | dBm | - | |||
| Notes: 1. Average power figures are informative only, per IEEE802.3cc. 2. Receiver sensitivity is informative. Shall be measured with conformance test signal for . BER =5x 10-5 . |
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| Absolute Maximum Ratings | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note | |||
| Maximum supply voltage | Vcc | 0 | - | 3.6 | V | - | |||
| Storage temperature | TS | -40 | - | 85 | °C | - | |||
| Case operating temperature | TA | 0 | - | 70 | °C | Commercial | |||
| Relative humidity | RH | 0 | - | 85 | % | 1 | |||
| Notes: Non-condensing. | |||||||||
| Electrical Characteristics | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note | |||
| Supply voltage | VCC | 3.14 | - | 3.46 | V | - | |||
| Supply current | Icc | - | - | 300 | mA | Commercial | |||
| 360 | mA | Extended | |||||||
| 360 | mA | Industrial | |||||||
| Power consumption | P | - | - | 1 | W | Commercial | |||
| 1.2 | W | Extended | |||||||
| 1.2 | W | Industrial | |||||||
| Data rate | R | 24.3 | - | 26.5 | Gb/s | - | |||
| Fiber Length | L | - | - | 10 | KM | - | |||
| Transmitter (Tx) | |||||||||
| Input differential impedance | Rin | - | 100 | - | Ω | 1 | |||
| Differential data input swing | Vin,pp | 180 | - | 700 | mV | 2 | |||
| Transmit disable voltage | VD | 2 | - | Vcc | V | - | |||
| Transmit enable voltage | VEN | Vee | - | Vee+0.8 | V | - | |||
| Receiver (Rx) | |||||||||
| Single ended output voltage tolerance |
V | -0.3 | - | 4 | V | - | |||
| Rx output diff voltage | Vo | 180 | - | 450 | mV | - | |||
| LOS fault | VLOS fault | 2 | - | VccHOST | V | 4 | |||
| LOS normal | VLOS norm | Vee | - | Vee+0.8 | V | 4 | |||
| Notes: 1.Connected directly to TX data input pins. AC coupling from pins into laser driver IC. 2.Per SFF-8431 Rev 3.0 3.Into 100 ohms differential termination. 4.LOS is an open collector output. Should be pulled up with 4.7kΩ – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V. |
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| Optical Characteristics | |||||||||
| Parameter | Symbol | Min. | Typ. | Max | Unit | Notes | |||
| Transmitter (Tx) | |||||||||
| Center wavelength | λt | 1295 | 1271 | 1277 | nm | - | |||
| 1325 | 1331 | 1337 | nm | - | |||||
| Average optical power | PAVE | -2 | - | 4 | dBm | 1 | |||
| Spectral width(-20dB) | △λ | - | - | 1 | nm | - | |||
| Laser off power | Poff | - | - | -30 | dBm | - | |||
| Side mode suppression ratio | - | 30 | - | - | - | - | |||
| Extinction ratio | ER | 3.5 | - | - | dB | - | |||
| Optical return loss tolerance | - | - | - | -12 | dB | - | |||
| Receiver (Rx) | |||||||||
| Center wavelength | λr | 1325 | 1331 | 1337 | nm | - | |||
| 1265 | 1271 | 1277 | nm | - | |||||
| Receiver sensitivity | Sen | - | - | -13 | dBm | 2 | |||
| Overload | - | 2 | - | - | dBm | 2 | |||
| LOS de-assert | LOSA | - | - | -14 | dBm | - | |||
| Los assert | LOSA | -30 | -23 | - | dBm | - | |||
| Los hysteresis | - | 0.5 | - | - | dB | - | |||
| Notes: 1.Average Power figures are informative only, per IEEE802.3cc. 2.Receiver sensitivity is informative. Shall be measured with conformance test signal for . BER =5x 10-5 . |
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| Digital Diagnostic Specifications | |||||||||
| Parameter | Symbol | Units | Min. | Max. | Accuracy | Note | |||
| Transceiver temperature | T | - | 0 | +70 | ±5 ºC | Commercial | |||
| Transceiver supply voltage | DDVoltage | V | 3.15 | 3.15 | ±3% | - | |||
| Transmitter bias current | DDBias | mA | 0 | 35 | ±10% | - | |||
| Transmitter output power | DDTx-Power | dBm | -5 | +5 | ±3dB | - | |||
| Receiver average optical input power | DDRx-Power | dBm | -16 | -3 | ±3dB | - | |||
| Timing Characteristics | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | ||||
| TX_disable assert time | t_off | - | - | 100 | us | ||||
| TX_disable negate time | t_on | - | - | 2 | ms | ||||
| Time to initialize 2-wire interface | t_2w_start_up | - | - | 300 | ms | ||||
| Time to initialize | t_start_up | - | - | 300 | ms | ||||
| Time to initialize cooled module and time to power up a cooled module to power level II | t_start_up_cooled | - | - | 90 | s | ||||
| Time to power up to level II | t_power_level2 | - | - | 300 | ms | ||||
| Time to power down from level II | t_power_down | - | - | 300 | ms | ||||
| Tx_fault assert | Tx_Fault_on | - | - | 1 | ms | ||||
| Tx_fault assert for cooled module | Tx_Fault_on_cooled | - | - | 50 | ms | ||||
| TX_FAULT reset | t_reset | 10 | - | - | us | ||||
| Rx_LOS assert delay | t_los_on | - | - | 100 | us | ||||
| Rx_LOS negate delay | t_los_off | - | - | 100 | us | ||||
| PIN DESCRIPTION |
| Pin | Symbol | Name/Description | Plug Seq. | ||||||
| 1 | VeeT | Module transmitter ground | 1 | ||||||
| 2 | TX fault | Module transmitter fault | 2 | ||||||
| 3 | TX disable | Transmitter disable; turns off transmitter laser output | 3 | ||||||
| 4 | SDL | 2 wire serial interface data input/output (SDA) | 4 | ||||||
| 5 | SCL | 2 wire serial interface clock input (SCL) | 4 | ||||||
| 6 | MOD_ABS | Module absent, connect to VeeR or VeeT in the module | 2 | ||||||
| 7 | RS0 | Rate select0: module inputs and are pulled low to VeeT with > 30kΩ resistorsin the module. | - | ||||||
| 8 | LOS | Receiver Loss of signal indication | - | ||||||
| 9 | RS1 | Rate select1: module inputs and are pulled low to VeeT with > 30kΩ resistorsin the module. | - | ||||||
| 10 | VeeR | Module receiver ground | 1 | ||||||
| 11 | VeeR | Module receiver ground | 1 | ||||||
| 12 | RD- | Receiver inverted data out put | - | ||||||
| 13 | RD+ | Receiver non-inverted data out put | - | ||||||
| 14 | VeeR | Module receiver ground | 1 | ||||||
| 15 | VccR | Module receiver 3.3V supply | - | ||||||
| 16 | VccT | Module transmitter 3.3V supply | - | ||||||
| 17 | VeeT | Module transmitter ground | 1 | ||||||
| 18 | TD+ | Transmitter non-inverted data out put | - | ||||||
| 19 | TD- | Transmitter inverted data out put | - | ||||||
| 20 | VeeT | Module transmitter ground | 1 | ||||||
| Notes: 1.The module ground pins shall be isolated from the module case. 2.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board. 3.This pin shall be pulled up with 4.7K-10Kohms to VccT in the module. 4.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board. |
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Performance Testing
Each module is tested before shipment to help ensure stable optical and electrical performance.
Compatibility Verification
Compatibility validation is available for major switch and router platforms.
Reliability Screening
Selected products support aging, temperature cycle, and stability testing for demanding applications.
Traceable Quality Control
Inspection and production records support more consistent quality control and batch traceability.
