25G SFP28-DWDM 光模块,2Km - 北亿纤通|F-tone Networks-全球光芯片光器件光模块光通信系统产品领导者!

Description
This product is a 25G SFP28 DWDM transceiver designed for optical communication compliant with 25G standard. Its high performance cooled DWDM EML transmitter and high sensitivity PIN receiver provide superior performance for 25G application up to 2km Links.
The product is designed with SFP28 form factor, which is the optical/electrical connection according to the SFP+ Multi-Source Agreement (MSA).

Features
● Hot-pluggable SFP28 form factor
● Supports 25Gb/s aggregate bit rate
● Transmitter: cooled DWDM EML TOSA
● Compliant to ITU-T 694.1
● Receiver: PIN ROSA
● Internal CDR circuits on both receiver and transmitter channels
● 1.5W maximum power dissipation
● Maximum link length of 2Km over SMF
● Duplex LC receptacle
● Single 3.3V power supply
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃

Applications
● 25GBASE-LR Ethernet
● CPRI Option 10
● Support 10G CPRI option 8 by CDR bypass

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	V_cc	-0.3	3.6	V
Input Voltage	V_in	-0.3	V_cc+0.3	V
Storage Temperature	T_s	-40	85	ºC
Case Operating Temperature	T_c	0	70	ºC
Humidity (non-condensing)	Rh	0	85	%

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	V_cc	3.13	3.3	3.47	V
Operating Case Temperature	T_c	0		70	ºC
Data Rate Per Lane	fd		25.78125		Gb/s
Humidity	Rh	0		85	%
Power Dissipation	P_m			1.5	W

Electrical Specifications

Parameter	Symbol	Min	Typical	Max	Unit
Differential Input Impedance	Z_in	90	100	110	ohm
Differential Output Impedance	Z_out	90	100	110	ohm
Differential Input Voltage Amplitude¹	ΔV_in	300		1100	mVp-p
Differential Output Voltage Amplitude²	ΔV_out	500		800	mVp-p
Skew	Sw			300	ps
Input Logic Level High	V_IH	2.0		V_cc	V
Input Logic Level Low	V_IL	0		0.8	V
Output Logic Level High	V_OH	V_cc-0.5		V_cc	V
Output Logic Level Low	V_OL	0		0.4	V

Note:

Differential input voltage amplitude is measured between TxnP and TxnN.
Differential output voltage amplitude is measured between RxnP and RxnN.

Optical Characteristics

Parameter	Symbol	Min	Typical	Max	Unit
Transmitter
Optical Wavelength	λc	per ITU-T 694.1			nm
Center Wavelength Deviation (End of Life)	ld	±100			pm
Side-Mode Suppression Ratio	SMSR	25			dB
Average Launch Power	P_out	-2		4	dBm
Optical Modulation Amplitude	OMA	-2			dBm
Extinction Ratio	ER	7			dB
Average Launch Power of OFF Transmitter	P_off			-30	dB
Rin₂₀OMA				-130	dB/HZ
Optical return loss tolerance	ORL			20	dB
Receiver
Center Wavelength	λ_c	1260		1600	nm
Receiver Sensitivity in OMA¹	RSoma			-8	dBm
Average Power at ReceiverInput (each lane)	Pin			2	dBm
Receiver Reflectance	R_R			-26	dB
LOS Assert	LOS_A	-30			dBm
LOS De-Assert	LOS_D			-13	dBm
LOS Hysteresis	LOS_H	0.5			dB

Note:BERLevel E×10^–¹²

Mechanical Dimensions

Ordering Information

Part Number	Product Description
FTCS-Dxx25G-02D	25G, SFP28 DWDM, 2km, 0ºC ~ +70ºC xx : DWDM Channel NO.17~61.
FTCS-Dxx25G-02DI	25G, SFP28 DWDM, 2km, -40ºC ~ +85ºC xx : DWDM Channel NO.17~61.

C-band λc Wavelength Grid

ITU ChannelProduct Code	Frequency(THz)	Wavelength	ITU ChannelProduct Code	Frequency(THz)	Wavelength
17	191.7	1563.86	40	194.0	1545.32
18	191.8	1563.05	41	194.1	1544.53
19	191.9	1562.23	42	194.2	1543.73
20	192.0	1561.42	43	194.3	1542.94
21	192.1	1560.61	44	194.4	1542.14
22	192.2	1559.79	45	194.5	1541.35
23	192.3	1558.98	46	194.6	1540.56
24	192.4	1558.17	47	194.7	1539.77
25	192.5	1557.36	48	194.8	1538.98
26	192.6	1556.55	49	194.9	1538.19
27	192.7	1555.75	50	195.0	1537.40
28	192.8	1554.94	51	195.1	1536.61
29	192.9	1554.13	52	195.2	1535.82
30	193.0	1553.33	53	195.3	1535.04
31	193.1	1552.52	54	195.4	1534.25
32	193.2	1551.72	55	195.5	1533.47
33	193.3	1550.92	56	195.6	1532.68
34	193.4	1550.12	57	195.7	1531.90
35	193.5	1549.32	58	195.8	1531.12
36	193.6	1548.51	59	195.9	1530.33
37	193.7	1547.72	60	196.0	1529.55
38	193.8	1546.92	61	196.1	1528.77
39	193.9	1546.12

北亿纤通 | F-tone Networks

企业邮箱：sales@f-tone.com
企业手机：19081343401
企业电话：028-85255257
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注：本产品有全国产化型号可选

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. 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. any F-tone Networks sales representative.s or others. Further details are available from any F-tone Networks sales representative.y F-tone Networks sales representative.