Bottom price Aoc 100g Qsfp28 Cable - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA

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Bottom price Aoc 100g Qsfp28 Cable - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA Detail:

Features

◊ Electrical interface compliant to SFF-8431

◊ 850nm VCSEL laser and PIN photo-detector

◊ Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF

◊ Digital diagnostics functions are available via the I2C interface

◊ Operating case temperature Commercial: 0°C to +70 °C

◊ +3.3V single power supply

◊ Power consumption less than 1W

◊ RoHS compliant

◊ Password protection for A0h and A2h

Applications

◊ 25GBASE-SR Ethernet

◊ Servers, switches, storage and host card adapters

Specification

Absolute Maximum Ratings

Table1- Absolute Maximum Ratings

Parameter Symbol Min. Typical Max. Unit Notes
Supply Voltage Vcc3 -0.5 - +3.6 V  
Storage Temperature Ts -10 - +70 °C  
Operating Humidity RH +5 - +85 % 1

Note: 1 No condensation

Recommended Operating Conditions

Parameter Symbol

Min.

Typical

Max.

Unit Notes
Operating Case Temperature TC 0 -

+70

°C  
Power Supply Voltage Vcc

3.14

3.3

3.47

V  
Power Supply Current Icc - -

300

mA  
Power Dissipation Pd - -

1.0

W  
Bit Rate BR

8.5

25.78125 - Gbps  
Fiber Bend Radius Rb 3 - - cm  

Table 2- Recommended operating Conditions

Electrical Characteristics

Table 3- Electrical Characteristics

Parameter Symbol Min. Typ.

Max.

Units Notes

                                         Transmitter

Differential Data Input Swing Vin,P-P 200 - 1600 mVPP  
Input Differential Impedance ZIN 90 100 110 Ω  
 Tx_Fault Normal Operation VOL 0 - 0.8 V  
Transmitter Fault VOH 2.0 - VCC V  
 Tx_Disable Normal Operation VIL 0 - 0.8 V  
Laser Disable VIH 2.0 - VCC+0.3 V  
Receiver
Differential Date Output Vout 400 -

800

mV  
Output Differential Impedance ZD 90 100

110

Ω  
 Rx_LOS Normal Operation VOL 0 -

0.8

V  
Lose Signal VoH 2.0 -

VCC

V  

Optical Characteristics

Table 4-Optical Characteristics

Parameter Symbol

Unit

Min Typ Max Notes
Optical transmitter Characteristics
Bit Rate BR

Gbps

8.5 25.78125 -  
Center Wavelength Range λc

nm

820 850 880  
Average Launch powerTx_off Poff

dBm

- - -45  
Launch Optical Power P0

dBm

-6.0   2.4 1
Extinction Ratio ER dB 2 - -  
Spectral Width(RMS) RMS

nm

- - 0.65  
Optical Receiver Characteristics
Bit Rate BR

Gbps

8.5 25.78125    
Bit Error Rate BER   - - E-12  
Damage threshold DT

dBm

3.4 - -  
Overload Input OpticalPower PIN dBm 2.4

-

- 2
Center Wavelength Range λc nm 820

-

880  
Receiver Sensitivity inAverage Power Sen dBm -

-

-5.2 3
Los Assert LosA dBm -30

-

-  
Los De-Assert LosD dBm -

-

-13  
Los Hysteresis LosH dB 0.5      

Note:

  1. Coupled into 50/125 MMF.
  2. Measured with PRBS 231-1 test pattern @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.

Recommended Host Board Power Supply Circuit

87 (1)

Figure 1, Recommended Host Board Power Supply Circuit

Recommended Interface Circuit

87 (2) 

Figure 2, Recommended Interface Circuit

Pin arrangement

87 (3) 

Figure 3, Pin View

Table 5-Pin Function

Definitions

Pin Symbol Name/Description Notes
1 VEET Module Transmitter Ground 1
2 TX_FAULT Module Transmitter Fault 2
3 TX_DISABLE Transmitter Disable; Turns off transmitter laser output 3
4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2)  
5 SCL 2-Wire Serial Interface Clock (MOD-DEF1)  
6 MOD_ABS Module Absent, connected to VEET or VEER in the module 2
7 RS0 Rate Select 0, optionally controls SFP+ module receiver 4
8 RX_LOS Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as NOT Signal Detect) 2
9 RS1 Rate Select 1, optionally controls SFP+ module transmitter 4
10 VEER Module Receiver Ground 1
11 VEER Module Receiver Ground 1
12 RD- Receiver Inverted Data Output  
13 RD+ Receiver Non-Inverted Data Output  
14 VEER Module Receiver Ground 1
15 VCCR Module Receiver 3.3 V Supply  
16 VCCT Module Transmitter 3.3 V Supply  
17 VEET Module Transmitter Ground 1
18 TD+ Transmitter Non-Inverted Data Input  
19 TD- Transmitter Inverted Data Input  
20 VEET Module Transmitter Ground 1

Note:

  1. The module ground pins are isolated from the module case.
  2. The pins shall be pulled up with 4.7K-10Kohms to a voltage between 3.14V and 3.46V on host board.
  3. The pin is pulled up to VCCT with a 4.7K-10KΩ resistor in the module.
  4. See SFF-8472 Rev12.2 Table 10-2.

Monitoring Specification

87 (4)

Figure 4, Memory Map

 

Mechanical Design Diagram

87 (5)

Table 5- Cable

Length

Cable Length  LUnit: m TolerantUnit: cm
≤1.0 +5/-0
1.0L≤4.5 +15/-0
4.5L≤14.5 +30/-0
>14.5 +2%/-0

Warnings

Handling Precautions: This device is susceptible to damage as a result of electrostatic discharge (ESD).

A static free environment is highly recommended. Follow guidelines according to proper ESD procedures.

Laser Safety: Radiation emitted by laser devices can be dangerous to human eyes. Avoid eye exposure to direct or indirect radiation.


Product detail pictures:

Bottom price Aoc 100g Qsfp28 Cable - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA detail pictures

Bottom price Aoc 100g Qsfp28 Cable - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA detail pictures

Bottom price Aoc 100g Qsfp28 Cable - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA detail pictures


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