Description
This product is a 32G FC SFP28 transceiver designed for optical communication compliant with 25GE and 32G FC standard. Its high performance cooled EML transmitter and high sensitivity APD receiver provide superior performance for 25GE and 32G FC application up to 40km (with FEC) 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 24.33/25.78Gb/s aggregate bit rate
● Supports 28.05Gb/s aggregate bit rate
● Transmitter: cooled 25Gb/sEML TOSA
● Receiver: 25Gb/s APD ROSA
● Internal CDR circuits on both receiver and transmitter channels
● 1.8W maximum power dissipation
● Maximum link length of 40Km over SMF
● Duplex LC receptacle
● Single 3.3V power supply
● RoHS compliant (2011/65/EU, lead free)
● Case operating temperature
     Commercial: 0 ~ +70℃
     Industrial: -40 ~ +85℃

Applications
● CPRI Option 10
● 25G Ethernet
● 32G FC

Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Supply Voltage

Vcc

-0.3

3.6

V

Input Voltage

Vin

-0.3

Vcc+0.3

V

Storage Temperature

Ts

-40

85

ºC

Case Operating Temperature

Tc

-40

85

ºC

Humidity (non-condensing)

Rh

0

85

%

Recommended Operating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Supply Voltage

Vcc

3.13

3.3

3.47

V

Operating Case Temperature

Tc

-40

85

ºC

Data Rate Per Lane

fd

24.33/25.78/28.05

Gb/s

Humidity

Rh

0

85

%

Power Dissipation

Pm

1.8

W

Fiber Bend Radius

Rb

3

cm

 

Electrical Specifications

Parameter

Symbol

Min

Typical

Max

Unit

Differential Input Impedance

Zin

90

100

110

ohm

Differential Output Impedance

Zout

90

100

110

ohm

Differential Input Voltage Amplitude1

ΔVin

300

1100

mVp-p

Differential Output Voltage Amplitude2

ΔVout

500

800

mVp-p

Skew

Sw

300

ps

Input Logic Level High

VIH

2.0

Vcc

V

Input Logic Level Low

VIL

0

0.8

V

Output Logic Level High

VOH

Vcc-0.5

Vcc

V

Output Logic Level Low

VOL

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

Data rate

BR

28.05

-

Gbps

Optical Wavelength

λc

1295

1309

1325

nm

Side-Mode Suppression Ratio

SMSR

30

dB

Spectral Width (-20dB)

Δλ20

-

-

1

nm

Average Launch Power

Pout

-3

6

dBm

Optical Modulation Amplitude

OMA

0

6

dBm

Extinction Ratio

ER

7

dB

Average Launch Power of OFF Transmitter

Poff

-30

dB

Rin20OMA

-130

dB/HZ

Receiver

Data rate

BR

28.05

-

Gbps

Center Wavelength

λc

1295

1325

nm

Average Receive Power

Pavg

-5

dBm

Receiver Sensitivity in OMA1

RSoma

-19

dBm

Receiver Reflectance

RR

-26

dB

LOS Assert

LOSA

-30

dBm

LOS De-Assert

LOSD

-17

dBm

LOS Hysteresis

LOSH

0.5

dB

Note:Hit Ratio =5×10-5. Unstressed receiver OMA sensitivity.

Mechanical Dimensions3Ordering Information

Part Number

Product Description

FTCS-1325G-40D

1310nm, SFP28, EML, 25G Ethernet, CPRI, 30KM/40km, 0ºC ~ +70ºC

FTCS-1325G-40DI

1310nm, SFP28, EML, 25G Ethernet, CPRI, 30KM/40km, -40ºC ~ +85ºC

 

 

 

 

 

 

 

 

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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.