FTAF-1303-10xx 是一款 155Mbps 1310nm 双工 LC 单模 2×5 SFF 光收发模块，采用 FP 激光器发射机和 PIN 接收机，支持达 10km 光纤传输。该模块采用标准 Small Form Factor 2×5 引脚封装，单 3.3V 电源供电，LVPECL 信号输入/输出，LVTTL 发送禁用和信号检测，满足 IEC-60825 Class I 激光安全标准，RoHS6 环保合规。
Features（产品特性）
- 双工 LC 单模光收发器
- 数据传输速率高达 155Mbps
- 1310nm FP 激光器发射机 + PIN 接收机
- 单 3.3V 电源供电
- LVPECL 信号输入/输出
- LVTTL 发送禁用输入
- LVTTL 信号检测输出
- Small Form Factor 2×5 引脚封装
- 低电磁干扰（EMI）及优异 ESD 防护
- 符合 IEC-60825 Class I 激光安全标准
- RoHS6 环保合规
- 工作温度范围：0°C ~ +70°C（标准级）/ -40°C ~ +85°C（工业级）
Applications（应用领域）
- Fast Ethernet（快速以太网）
- Switch to Switch Interface（交换机接口）
- Fiber Channel Links（光纤通道链路）
- 其他光纤链路应用
Specification（产品规格）
Absolute Maximum Ratings（绝对最大额定值）
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Storage Ambient Temperature | TSTG | -40 | 85 | °C |
| Storage Humidity | HS | 5 | 90 | % |
| Operating Humidity | HO | 5 | 85 | % |
| Power Supply Voltage | VCC | 0 | 3.6 | V |
| Soldering Temperature | 260/10 | °C/S |
Recommended Operating Conditions（推荐工作条件）
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Operating Case Temperature | TC | 0 | 70 | °C | 40 / 85 | |
| Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V | |
| Power Consumption | PW | 1 | W | |||
| Data Rate | 2 | 155 | Mbps |
Electrical Characteristics（电气特性）
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Total Supply Current | ICC | 300 | mA |
Transmitter（发射机）
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Differential Input Voltage | 300 | 2400 | mV | |||
| TX_DIS Input Voltage – High | VIH | 2 | VCC | V | LVTTL | |
| TX_DIS Input Voltage – Low | VIL | 0 | 0.8 | V | LVTTL | |
| Input Differential Impedance | 85 | 100 | 115 | Ω |
Receiver（接收机）
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Differential Output Voltage | 500 | 1200 | mV | AC Coupled | ||
| SD Voltage – High | VSDH | 2.4 | VCC | V | LVTTL | |
| SD Voltage – Low | VSDL | 0 | 0.4 | V | LVTTL | |
| SD Assert Time | TSDA | 100 | μs | |||
| SD De-assert Time | TSDD | 100 | μs | |||
| Output Differential Impedance | 90 | 100 | 110 | Ω |
Optical Transmitter Characteristics（光发射特性）
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Average Output Power | POUT | -15 | -6 | dBm | ||
| Extinction Ratio | ER | 9 | dB | |||
| Center Wavelength | λC | 1260 | 1310 | 1360 | nm | |
| Spectrum Width | λ | 3.5 | nm | |||
| Transmitter OFF Power | POFF | -45 | dBm | |||
| Output Eye Diagram | Compliant with IEEE 802.3z | |||||
| Relative Intensity Noise | -115 | dB/Hz | ||||
| Optical Return Loss Tolerance | 15 | dB | ||||
| Transmitter Reflectance | -10 | dB | ||||
| Jitter P-P | TJ | 0.1 | UI | |||
Optical Receiver Characteristics（光接收特性）
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Center Wavelength | λC | 1260 | 1360 | nm | ||
| Receiver Sensitivity | SEN | -28 | dBm | Note 1 | ||
| Input Saturation Power (Overload) | SAT | -3 | dBm | |||
| SD Assert Level | SDA | -29 | dBm | |||
| SD De-assert Level | SDD | -45 | dBm | |||
| SD Hysteresis | HYS | 0.5 | 6 | dB |
Note 1: Measured with PRBS 223-1 @155Mbps, ER=9dB, BER ≤1×10-12
Pin Definition（引脚定义）
| Pin No | Symbol | Name/Description | Note |
|---|---|---|---|
| 1 | VEER | Receiver Ground | |
| 2 | VCCR | Receiver Power | |
| 3 | RX_SD | Receiver Signal Detected, LVTTL Output Low: loss of signal; High: signal detected |
Note 1 |
| 4 | RD- | Inverted Receiver Data Output, CML, AC coupled | |
| 5 | RD+ | Receiver Data Output, CML, AC coupled | |
| 6 | VCCT | Transmitter Power | |
| 7 | VEET | Transmitter Ground | |
| 8 | TX_DIS | Transmitter Disable (High/Open = Disabled), LVTTL Input | Note 2 |
| 9 | TD+ | Transmit Data Input, LVPECL, AC coupled | |
| 10 | TD- | Inverted Transmit Data Input, LVPECL, AC coupled | |
| F | MS | Mounting Studs | Note 3 |
Note 1: RX_SD, LVTTL 逻辑输出，内部 10KΩ 上拉电阻。
Note 2: TX_DIS, LVTTL 逻辑输入，内部 10KΩ 上拉电阻。
Note 3: Mounting studs 用于模块机械固定，也可选择连接设备机壳地。电路板孔须连接机壳地，不建议连接信号地。
Typical Application Circuit（典型应用电路）
Ordering Information（订购信息）
| Part Number | Package | Wavelength (nm) | Temperature (°C) | Fiber | Reach (km) | DDM |
|---|---|---|---|---|---|---|
| FTAF-1303-10 | SFF 2×5 | 1310 | 0~70 | SMF | 10 | No |
| FTAF-1303-10I | SFF 2×5 | 1310 | -40~85 | SMF | 10 | No |
本产品为【155Mbps 2×5 SFF 光收发器】产品线，详细信息，请联系我们的销售人员，谢谢！
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
