Generic Compatible 25G ER SFP28 1310nm 30km DOM Duplex LC SMF Optical Transceiver Module

SFP28-25-13-30(ER)-LCD

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SPECIFICATIONS
Product ModelSFP28-25-13-30(ER)-LCDManufacturer BrandPHILISUN
Package TypeSFP28Optical ConnectorDuplex LC
Max Data Rate25.78GChannel Data Rate10.31Gbps
Effective Transmission Distance30km
Wavelength1310nmOperating Voltage3.3V
Fiber TypeSMFCore Size9/125µm
Transmitter TypeEMLReceiver TypeAPD
TX Power0~6dBmReceiver Sensitivity<-19dBm
Digital Optical Monitoring(DOM)YESReceiver Overload-5dBm
Power Consumption≤1.5WProtocolsMSA, CPRI, eCPRI1
Operating Temperature(Commercial)0℃~+70℃Storage Temperature(Commercial)-40℃~+85℃

 

PRODUCT PRESENTATION
The PHILISUN SFP28 25G 1310nm 30km ER LC DX transceiver is specifically designed for Ethernet links, supporting data rates of up to 25.78 Gb/s and a transmission distance of up to 30km without FEC. It adheres to SFF-8472 standards and is compatible with SFF-8432 and relevant sections of SFF-8431. Additionally, the product is RoHS-compliant and lead-free in accordance with Directive 2011/96/EU.

 

TRANSCEIVER SERIES PRODUCTS

 

PRODUCTION & TESTING EQUIPMENT

 

PERFORMANCE PARAMETER
Absolute Maximum Ratings
Parameter Symbol Min. Typ. Max. Unit
Storage temperature TS -40 – 85 °C
Case operating temperature TA 0 – 70 °C
Maximum supply voltage Vcc 0 – 3.6 V
Relative humidity RH 0 – 85 %

 

Electrical Characteristics
Parameter Symbol Min. Typ. Max. Unit Note
Supply voltage VCC 3.15 – 3.46 V –
Supply current Icc – – 450 mA –
Power consumption P – – 1.5 W –
Data rate R – 25.8 – Gb/s –
Transmitter
Input differential impedance Rin – 100 – Ω 1
Differential input voltage swing Vin,pp 180 – 700 mV 2
Transmit disable voltage VD 2 – Vcc V 3
Transmit enable voltage VEN Vee – Vee+0.8 V –
Receiver
Single ended output voltage
tolerance		 V -0.3 – 4 V –
Rx output diff voltage Vo 185 – 800 mV –
LOS fault VLOS fault 2 – VccHOST V 4
LOS normal VLOS norm Vee – Vee+0.8 V 4
Notes:
1.Connected directly to TX data input pins. AC coupling from pins into laser driver IC.
2.Per SFF-8431 Rev 3.0
3.Into 100 ohms differential termination.
4.LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.

 

Optical Characteristics
Parameter Symbol Min. Typ. Max Unit Notes
Transmitter
Center wavelength λt 1295 – 1325 nm –
Spectral width △λ – – 1 nm –
Average optical power Pavg 0 – +6 dBm 1
Laser off power Poff – – -30 dBm –
Side mode suppression ratio – 30 – – – –
Extinction ratio ER 4 – – dB –
Optical return loss tolerance – – – -12 dB –
Receiver
Center wavelength λr 1260 – 1370 nm –
Receiver sensitivity Sen – – -19 dBm 2
Los assert LOSA -30
–
 – dBm –
Los dessert LOSD – – -19 dBm –
Los hysteresis LOSH 0.5 –
–
 dB –
Overload – -6 – – dBm –
Notes:
1.Average power figures are informative only, per IEEE802.3CC.
2.Receiver sensitivity is informative. Shall be measured with conformance test signal for . BER =5x 10-5.

 

Optical Transmitter/Receiver Characteristics
Parameter Symbol Unit Min. Typ. Max. Note
Transmitter
Center wavelength λ nm 1295 1310 1325 –
Data rate B Gb/s – 25.78 – –
Output Spectral Width λ(-20dB) nm – – 1 –
Optical output power Po dBm -7 – 2 –
Extinction ratio ER dB 3.5 – – –
Transmitterand dispersion penalty TDP dB – – 3.2 –
Receiver
Operating Wavelength λ nm 1260 – 1355 –
Overload – dBm 2 – – –
Receiver sensitivity (OMA) POMA dBm – – -11.3 –
Optical return loss ORL dB – – -26 –
Signal detect threshold-de-assert SD dBm – – -14 –
LOS hysteresis – dB 0.5 – – –

 

Timing Characteristics
Parameter Symbol Min. Typ. Max. Unit
TX_disable assert time t_off – – 100 us
TX_disable negate time t_on – – 2 ms
Time to initialize 2-wire interface t_2w_start_up – – 300 ms
Time to initialize t_start_up – – 300 ms
Time to initialize cooled module and time to power up a cooled module to power level II t_start_up_cooled – – 90 s
Time to power up to level II t_power_level2 – – 300 ms
Time to power down from level II t_power_down – – 300 ms
Tx_fault assert Tx_Fault_on – – 1 ms
Tx_fault assert for cooled module Tx_Fault_on_cooled – – 50 ms
TX_FAULT reset t_reset 10 – – us
Rx_LOS assert delay t_los_on – – 100 us
Rx_LOS negate delay t_los_off – – 100 us

 

Digital Diagnostic Specifications
Parameter Symbol Min. Max. Accuracy Unit
Transceiver temperature T 0 +70 ±3.0°C °C
Transceiver supply voltage DDVoltage 3.15 3.45 ±3% V
Transmitter bias current DDBias 0 35 ±10% mA
Transmitter output power DDTx-Power -5 +5 ±2dB dBm
Receiver average optical input power DDRx-Power -16 -3 ±2dB dBm

 

PIN DESCRIPTION

Diagram of Host Board Connector Block Pin Numbers and Names

 

Pin Symbol Name/Description Plug Seq.
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 SDL 2 wire serial interface data input/output (SDA) 4
5 SCL 2 wire serial interface clock input (SCL) 4
6 MOD_ABS Module absent, connect to VeeR or VeeT in the module 2
7 RS0 Rate select0: module inputs and are pulled low to VeeT with >30kΩ resistorsin the module. –
8 LOS Receiver Loss of signal indication –
9 RS1 Rate select1: module inputs and are pulled low to VeeT with >30kΩ resistorsin the module. –
10 VeeR Module receiver ground 1
11 VeeR Module receiver ground 1
12 RD- Receiver inverted data out put –
13 RD+ Receiver non-inverted data out put –
14 VeeR Module receiver ground 1
15 VccR
Module receiver 3.3V supply
 –
16 VccT Module transmitter 3.3V supply –
17 VeeT Module transmitter ground 1
18 TD+ Transmitter non-inverted data out put –
19 TD- Transmitter inverted data out put –
20 VeeT Module transmitter ground 1
Notes:
1.The module ground pins shall be isolated from the module case.
2.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board.
3.This pin shall be pulled up with 4.7K-10Kohms to VccT in the module.
4.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board.

 

PRODUCT CERTIFICATION

 

QUALITY ADVANTAGE

 

COMPATIBLE BRANDS
CONFIGURATION INFORMATION
光模块产品详情订购信息---SFP28

 

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