| 产品型号 | JFTSM-SFP28BD-25-1213-20(ELR)-LC | 工厂品牌 | JFOPT嘉富 |
| 封装形式 | SFP28 | 光口类型 | 单联 LC |
| 最高总速率 | 25.78Gbps | 每通道速率 | - |
| 最大传输距离 | 20km | ||
| 工作波长 | 1270nm-TX/1330nm-RX | 工作电压 | 3.3V |
| 光纤型号 | SMF | 纤芯尺寸 | 9/125 |
| 发射器类型 | DFB BiDi | 接收器类型 | PIN |
| 发射功率 | 0~6dBm | 接收灵敏度 | <-14dBm |
| 数字诊断(DOM) | YES | 接收过载 | 2.5dBm |
| 功耗 | ≤1.2W | 支持协议 | eCPRI, SFF-8472, SFF-8432, SFF-8431 |
| 工作温度(商业级) | 0℃~+70℃ | 储存温度（商业级） | -40℃~+85℃ |
生产线介绍
PRODUCTION LINE INTRODUCTION
JFOPT嘉富持续投入光模块生产领域，产品覆盖1*9、SFP、10G、25G、100G、200G、400G、800G GPON/EPON/XG/XGSPON OLT等全系列光模块。同时为下游同行提供TOSA、ROSA、BOSA等光器件半成品解决方案。JFOPT嘉富生产线具备日产量一万只光模块、两万只光器件的能力。此外，JFOPT嘉富光模块拥有业界领先的耐高温、抗干扰特性，广泛应用于计算中心、运营商、交通安防、电力设施等行业领域。
产品介绍
PRODUCT PRESENTATION
JFOPT SFP28 BIDI 25G 1270/1330nm 20km ELR LC SX光模块是一款专为单模光纤双向光传输设计的高性能模块，支持高达20公里的传输距离。该模块符合SFF-8472、SFF-8402、SFF-8432标准及SFF-8431适用章节规范，并通过SFF-8472定义的双线串行接口实现数字诊断监控功能，确保可靠性能与精准监测，可无缝集成于高速网络应用。
光模块系列产品
TRANSCEIVER SERIES PRODUCTS
生产及检测设备
PRODUCTION & TESTING EQUIPMENT
产品特点
FEATURES
| Up to 20 km transmission distance | LC single connector | ||||||||
| Low power consumption <1.2W | -40℃ to 85℃ operating case temperature range | ||||||||
| Single 3.3V±5% power supply | Compliant with SFF-8472 |
应用范围
APPLICATION
| 25GBASE-LR | CPRI option 10 / eCPRI | |||||||
符合标准
STANDARD COMPLIANCE
订购信息
ORDERING INFORMATION
| Form Factor | Data Rate(Gb/s) | Laser | Average Power (dBm) |
Detector | OMA Sensitivity 5E-5 (dBm) |
Top (℃) |
Reach （km） |
||
| SFP28 | 25.78125 | 1270nm DFB | 0~6 | PIN | <-14 | -40~85 | 20 | ||
绝对最大额定值
ABSOLUTE MAXIMUM RATINGS
| Parameter | Symbol | Unit | Min. | Max. | |||||
| Storage temperature range | TS | °C | -40 | 85 | |||||
| Relative humidity | RH | % | 0 | 85 | |||||
| Supply voltage | VCC | V | -0.3 | 3.6 | |||||
建议的操作条件
RECOMMENDED OPERSTING CONDITIONS
| Parameter | Symbol | Unit | Min. | Typ. | Max. | ||||
| Operating case temperature range | Tc | ℃ | -40 | - | 85 | ||||
| Power supply voltage | VCC | V | 3.135 | 3.3 | 3.465 | ||||
| Bit rate | BR | Gb/s | 24.33024 | 25.78125 | - | ||||
| Max. supported link length | L | km | 10 | 20 | - | ||||
电气特性
ELECTRICAL CHARACTERISTICS
| Parameter | Symbol | Unit | Min. | Typ. | Max. | Note | |||
| Supply voltage | VCC | V | 3.14 | 3.3 | 3.46 | - | |||
| Supply current | Icc | mA | - | - | 360 | @3.3V | |||
Transmitter |
|||||||||
| Input differential impedance | Rin | Ω | - | 100 | - | - | |||
| Single ended data input swing | VIN | mVp-p | 90 | - | 450 | - | |||
| Transmit disable voltage | VDIS | V | 2 | - | VCCHOST | - | |||
| Transmit enable voltage | VEN | V | VEE | - | VEE+0.8 | - | |||
| Transmit fault assert voltage | VFA | V | 2.2 | - | VCCHOST | - | |||
| Transmitfault de-assert voltage | VFDA | V | VEE | - | VEE+0.4 | - | |||
Receiver |
|||||||||
| Single ended data output swing |
VOD | mVp-p | 200 | - | 450 | - | |||
| LOS fault | VLOSFT | V | 2.2 | - | VccHOST | - | |||
| LOS normal | VLOSNR | V | VEE | - | Vee+0.4 | - | |||
光学特性
OPTICAL CHARACTERISTICS
| Parameter | Symbol | Unit | Min. | Typ. | Max | Notes | |||
Transmitter |
|||||||||
| Center wavelength range | λ | nm | 1320 | - | 1340 | Downstream | |||
| - | - | 1280 | Upstream | ||||||
| Spectral width | -20dB | - | nm | - | - | 1 | - | |||
| Side mode suppression ratio | SMSR | dB | 30 | - | - | - | |||
| Average launch power | PAVG | dBm | 0 | - | 6 | - | |||
| OMA launch power | POMA | dBm | -2 | - | - | - | |||
| Transmitter and dispersion penalty 25G | BER=5E-5 | TDP | dB | - | - | 4 | - | |||
| Average launch power of OFF transmitter |
POFF | dBm | - | - | -30 | - | |||
| Extinction ratio | ER | dB | 3.5 | - | - | - | |||
| RIN20OMA | RIN | dB/Hz | - | - | -130 | - | |||
| Optical return loss tolerance | - | dB | - | - | 20 | - | |||
| Mask margin | - | % | 5 | - | - | 1 | |||
Note 1: Template: {0.31, 0.40, 0.45, 0.34, 0.38, 0.40}, Hit Ratio: 5E-5 |
|||||||||
| Parameter | Symbol | Unit | Min. | Typ. | Max | Notes | |||
Receiver |
|||||||||
| Center wavelength | λr | nm | 1260 | 1270 | 1280 | Downstream | |||
| 1320 | 1330 | 1340 | Upstream | ||||||
| Overload | - | dBm | 2.5 | - |  - |
- | |||
| OMA receiver sensitivity up to 25G 5E-5 | POMA | dBm | - | - | -14 | - | |||
| LOS de-assert | LOSA | dBm | -30 |  - |
- | - | |||
| Los assert | LOSD | dBm |  - |
 - |
-17 | - | |||
| Los hysteresis | - | dB | 0.5 |  - |
- | - | |||
引脚功能定义
PIN FUNCTION DEFINITIONS
收发器引脚说明
TRANSCEIVER PIN DESCRIPTIONS
| Pin No. | Symbol | Logic | Description | ||||||
| 1 | VeeT | - | Connected to signal ground on the host board. | ||||||
| 2 | TX fault | LVTTL output | Module transmitter fault output | ||||||
| 3 | TX disable | LVTTL input | Module transmitter disable control | ||||||
| 4 | SDA | LVTTL input/output | 2-wire serial interface data | ||||||
| 5 | SCL | LVTTL input/output | 2-wire serial interface clock | ||||||
| 6 | MOD_ABS | - | Module absent (connected to Module ground) | ||||||
| 7 | RS0 | LVTTL input | Rate select 0 (Rx): Low=CDR Bypass; high=CDR select | ||||||
| 8 | LOS | LVTTL output | Receiver loss of signal | ||||||
| 9 | RS1 | LVTTL input | Rate select 1 (Tx): Low=CDR Bypass; high=CDR select | ||||||
| 10,11,14 | VeeR | - | Connected to signal ground on the host board. | ||||||
| 12 | RD- | CML output | Receiver inverted data output, internally AC coupled and terminated. | ||||||
| 13 | RD+ | CML output | Receiver non-inverted data output, internally AC coupled and terminated. | ||||||
| 15 | VccR | - | Receiver power 3.3V supply | ||||||
| 16 | VccT | - | Transmitter power 3.3V supply | ||||||
| 18 | TD+ | CML input | Transmitter non-inverted data input, internally AC coupled and terminated. | ||||||
| 19 | TD- | CML input | Transmitter inverted data Input, internally AC coupled and terminated | ||||||
产品包装
PRODUCT PACKAGING
产品认证
PRODUCT CERTIFICATION
质量优势
QUALITY ADVANTAGE
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