25G SFP28 DWDM 30km Transceiver

SKU: SFP-DWxxT5-30DC

Product Highlights

Supports up to 25.78Gbps bit rates

Hot-pluggable SFP+ footprint

100GHz ITU, C Band DWDM Cooled EML laser and APD photodiode,

Up to 30km for SMF transmission

Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle

Compatible with RoHS

Real Time Digital Diagnostic Monitoring

Operating case temperature: 0 to +70°C

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SFP28 25G DWDM 30km Transceiver

The SFP‑DWxxT5‑30DCP is a high-performance 25G SFP28 DWDM optical module from Fibertop, operating at a data rate of 25.78 Gbps. Based on the 100 GHz ITU C-band wavelength grid, it utilizes a cooled EML laser paired with an APD photodetector to enable long-distance signal transmission of up to 30 km over single-mode fiber. It features a hot-swappable SFP+ package with dual LC interfaces and built-in DDM (Digital Diagnostic Monitoring) for real-time monitoring, meeting the high-speed, long-distance transmission requirements of 25G Ethernet and DWDM networks. It complies with SFP+ MSA, SFF-8472, and RoHS standards, and is powered by a single +3.3V supply. total power consumption is less than 3.3W, commercial operating temperature range is 0°C to 70°C, and it is suitable for deployment in data center interconnects, metropolitan area transmission, and other applications.

Technical Specification

Vendor Name	FIBERTOP	FIBERTOP Part Number(s)	SFP-DWxxT5-30DC
Transceiver Type	ER4	Reach	30km
Wavelength	DWDM	Form Type	SFP28
Speed Description	25G	Media	SMF
Connector	Duplex LC	Extinction Ratio	> 6 dB
TX Power	-1 ~ 4 dBm	Receiver Sensitivity	< -18 dBm
Applications	25G Ethernet links, Data‑center long‑distance interconnections, Metro DWDM wavelength division multiplexing networks	Environment	Operating: 0°C to 70°C

λC Wavelength Guide

ITU Channel Product Code	Frequency(THz)	Wavelength	ITU Channel Product Code	Frequency(THz)	Wavelength
18	191.8	1563.05	40	194.0	1545.32
19	191.9	1562.23	41	194.1	1544.53
20	192.0	1561.42	42	194.2	1543.73
21	192.1	1560.61	43	194.3	1542.94
22	192.2	1559.79	44	194.4	1542.14
23	192.3	1558.98	45	194.5	1541.35
24	192.4	1558.17	46	194.6	1540.56
25	192.5	1557.36	47	194.7	1539.77
26	192.6	1556.55	48	194.8	1538.98
27	192.7	1555.75	49	194.9	1538.19
28	192.8	1554.94	50	195.0	1537.40
29	192.9	1554.13	51	195.1	1536.61
30	193.0	1553.33	52	195.2	1535.82
31	193.1	1552.52	53	195.3	1535.04
32	193.2	1551.72	54	195.4	1534.25
33	193.3	1550.92	55	195.5	1533.47
34	193.4	1550.12	56	195.6	1532.68
35	193.5	1549.32	57	195.7	1531.90
36	193.6	1548.51	58	195.8	1531.12
37	193.7	1547.72	59	195.9	1530.33
38	193.8	1546.92	60	196.0	1529.55
39	193.9	1546.12	61	196.1	1528.77

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