| 產品型號 | JFTSM-SFP28-25-13-03(ESR)-LCD | 工廠品牌 | JFOPT嘉富 |
| 封裝形式 | SFP28 | 光口類型 | 雙聯LC |
| 最高總速率 | 25.78G | 每通道速率/strong> | - |
| 最大傳輸距離 | 300m | ||
| 工作波長 | 1310nm | 工作電壓 | 3.3V |
| 光纖型號 | SMF | 纖芯尺寸 | 9/125 |
| 發射器類型 | DFB | 接收器類型 | PIN |
| 發射功率 | -5~2dBm | 接收靈敏度 | <-8.5dBm |
| 數字診斷 | YES | 接收過載 | - |
| 功耗 | <1W | 支持協議 | SFF-8472, SFF-8024, SFF-8431, SFF-8432, IEEE 802.3 by, IEEE 802.3cc |
| 工作溫度(商業級) | 0℃~+70℃ | 儲存溫度(商業級) | -40℃~+85℃ |
JFOPT嘉富(fu)持續投入光(guang)模塊生(sheng)產領域,產品覆蓋(gai)1*9、SFP、10G、25G、100G、200G、400G、800G GPON/EPON/XG/XGSPON OLT等全系列(lie)光(guang)模塊。同時為(wei)下游(you)同行提供TOSA、ROSA、BOSA等光(guang)器件半成(cheng)品解決方案。JFOPT嘉富(fu)生(sheng)產線具備日產量一萬(wan)只光(guang)模塊、兩萬(wan)只光(guang)器件的(de)能(neng)力(li)。此(ci)外,JFOPT嘉富(fu)光(guang)模塊擁有業界領先的(de)耐高(gao)溫、抗(kang)干擾特性,廣泛(fan)應用于計算中(zhong)心、運營商、交通安防(fang)、電力(li)設施等行業領域。
JFOPT SFP28 25G 1310nm 300m ESR LC DX 光(guang)模塊(kuai)(kuai)(kuai)是一(yi)款高性能光(guang)纖收發器(qi)件,專為通過單模光(guang)纖進行(xing)25Gbps速(su)率的(de)光(guang)數(shu)據傳輸與接(jie)收而設計(ji)。該(gai)模塊(kuai)(kuai)(kuai)搭載(zai)1310nm分布式(shi)反饋(DFB)激光(guang)器(qi),支(zhi)持最遠300米的(de)傳輸距離。該(gai)光(guang)模塊(kuai)(kuai)(kuai)符合(he)多(duo)項(xiang)行(xing)業標準規范,包括SFF-8472、SFF-8402、SFF-8432以及(ji)SFF-8431相關章節的(de)要求。同時集成數(shu)字診斷監(jian)控功能(依據SFF-8472標準定義),可通過兩線串(chuan)行(xing)接(jie)口(kou)實(shi)現(xian)狀態監(jian)測。


| Built-in macom chip, max. power consumption 1W | Certified and tested in targeted switch for superior performance, quality, and reliability |
| 25GBASE-LR-S | 25G Ethernet / data center |

| Part number | Form factor | Data rate (Gb/s) |
Laser | Optical power (dBm) |
Detector | Receiver sensitivity (OMA)(dBm) |
Temp(℃) | Reach (km) |
DDM |
| JFTSM-SFP28-25-13-03(ESR)-LCD | SFP28 | 25.78125 | 1310nmDFB | -5~2 | PIN | <-8.5 | 0~70 | 0.3 | Y |
Recommended Storage Conditions |
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| Parameter | Symbol | Min. | Max. | Unit | |||||
| Storage temperature range | Ts | -45 | 85 | °C | |||||
| Relative humidity | RH | 0 | 95 | % | |||||
| Supply voltage | Vcc | -0.3 | 4.0 | V | |||||
Recommended Operating Conditions |
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| Parameter | Symbol | Min. | Typ. | Max. | Unit | ||||
| Operating case temperature range | TOPR | 0 | - | 70 | ℃ | ||||
| Power supply voltage | Vcc | 3.14 | 3.3 | 3.46 | V | ||||
| Bit rate | BR | - | 25.78 | - | Gb/s | ||||
| Max supported link length | L | 0.3 | - | - | km | ||||
| Parameter | Symbol | Unit | Min. | Typ. | Max. | Note | |||
| Supply voltage | Vcc | V | 3.14 | 3.3 | 3.46 | - | |||
| Supply current | Icc | mA | - | 300 | - | - | |||
Transmitter |
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| 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 | - | |||
| Transmit fault de-assert voltage | VFDA | V | VEE | - | VEE+0.4 | - | |||
Receiver |
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| Single ended data output Swing | VOD | mVp-p | 225 | - | 375 | - | |||
| LOS fault | VLOSFT | V | 2.2 | - | VCCHOST | - | |||
| LOS normal | VLOSNR | V | VEE | - | VEE+0.4 | - | |||
| Parameter | Symbol | Unit | Min. | Typ. | Max. | Note | |||
Transmitter |
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| Center wavelength | λ | nm | 1260 | 1310 | 1360 | - | |||
| Spectral width | SMSR | dBm | 30 | - | - | - | |||
| Optical modulation amplitude | POMA | dBm | -4 | - | 2.2 | - | |||
| Optical output power | Pav | dBm | -5 | - | 2 | - | |||
| Extinction ratio | ER | dB | 3 | - | - | - | |||
| Transmitterand dispersion penalty | TDP | dB | - | - | 1 | - | |||
| Average launch power of OFF transmitter | POFF | dBm | - | - | -30 | - | |||
Receiver |
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| Center wavelength | λ | nm | 1260 | - | 1360 | - | |||
| Overload | - | dBm | 2 | - | - | - | |||
| Receiver power (OMA) | POMA | dBm | - | - | -8.5 | 1 | |||
| Assert LOS | LOSA | dBm | -30 | - | - | - | |||
| De-assert LOS | LOSD | dBm | - | - | -16 | - | |||
| LOS hysteresis | - | dB | 0.5 | - | - | - | |||
*Notes: Measured with 25.78125Gb/s, PRBS 231-1, NRZ, ER>4dB, BER<5E-5 |
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| Pin No. | Symbol | Logic | Description | ||||||
| 1,17,20 | 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 |
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| 13 | RD+ | CML output | Receiver non-inverted data output, internally AC coupled and terminated |
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| 15 | VccR | - | Receiver power 3.3V supply | ||||||
| 16 | VccT | - | Transmitter power 3.3V supply | ||||||
| 18 | TD+ |
LVTTL input
|
Transmitter non-inverted data input,internally AC coupled and terminated | ||||||
| 19 | TD- | LVTTL input | Transmitter inverted data input, internally AC coupled and terminated | ||||||



























































































