25G CWDM SFP28 ER 1310nm 40km
- Adopts hot-pluggable SFP28 package
- Full-duplex transceiver module
- CWDM DML transmitter and APD receiver
- Complies with SFF-8472, SFF-8431, SFF-8432, and SFP28 MSA Ethernet standards
- Maximum power consumption less than 2W
- Built-in Digital Diagnostic Monitoring (DDM)
- Power supply voltage 3.3V
- RoHS compliant (lead-free)
- Class 1/1M product, compliant with IEC60825-1 requirements
- Meets Telcordia (Bellcore) GR-468-CORE reliability requirements
- Meets EMI and ESD requirements
Warranty : 30-Day Free Return, 3-Year Free Replacement, 5-Year Warranty, Lifetime After-sales Technical Support.
| Product Model | SFP-25G-CWDM40 | Vendor Name | Walsun |
| Form Factor | SFP28 | Data Rate | 25.78Gbps |
| Wavelength | 1270-1370nm | Distance | 40km |
| Connector | LC Duplex | Cable Type | SMF |
| Transmitter Type | DML | Detector Types | APD |
| TX Power | 0~6dBm | Receiver Sensitivity | < -19dBm |
| TX Power | ≤2W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Modulation | NRZ | CDR | TX & RX Built-in CDR |
| Protocols | SFF-8472, SFF-8431, SFF-8432, SFP28 MSA, CPRI, eCPRI | ||
Q: Can our logo or company name be put on the products or packaging?
A: Yes, we provide both OEM and ODM services; your brand or company name can be applied to the products via methods such as hot stamping, printing, embossing, UV coating, screen printing, or sticker labeling.
Q: Can we get a discount for bulk purchases?
A: Absolutely, the larger the order quantity, the greater the discount. For a quotation inquiry, feel free to call us at 0755-23007456 or engage in online consultation.
Q: What should I do if there is an issue with my order?
A: Should any problem arise with your order, your dedicated sales representative will contact you promptly.
Q: How soon can you ship my order after I place it?
A: Upon successful review of your order, the product will undergo a production and preparation period of 1 to 3 business days before being dispatched directly from our warehouse to you. You will receive a notification SMS from us once it’s on its way.
| Product Number | Data Rate (Gb/s) |
Wavelength (nm) |
Reach (km) |
LD | Tx Power (dBm) |
PD | Rx Sens (dBm) |
Temperature (℃) |
Download |
| DWDM LR 10km | 25 | 1270~1450 | 10 | DML | -7.0～2 | PIN | < -11.5 | 0~70/-40~85 |  |
| DWDM LR 10km | 25 | 1470~1610 | 10 | DML | -7.0～2 | PIN | < -11.5 | 0~70/-40~85 | |
| DWDM LR 40km | 25 | 1270~1370 | 40 | DML | -3.0～6.0 | PIN | < -14 | 0~70/-40~85 | |
| DWDM LR 40km | 25 | 1470~1610 | 40 | DML | -3.0～6.0 | APD | < -14 | 0~70/-40~85 | |
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