25G ELR SFP28 BIDI 1270/1330nm 20km Simplex LC SMF transceiver product detail view 1
25G ELR SFP28 BIDI 1270/1330nm 20km Simplex LC SMF transceiver product detail view 2
25G ELR SFP28 BIDI 1270/1330nm 20km Simplex LC SMF transceiver product detail view 3
25G ELR SFP28 BIDI 1270/1330nm 20km Simplex LC SMF transceiver product detail view 4

25G ELR SFP28 BIDI 1270/1330nm 20km DOM Simplex LC SMF Transceiver

SFP28BD-25-1213-20(ELR)-LC

  • High Quality
  • Factory Outlet
  • Satisfaction Guarantee
  • Global Shipping
SPECIFICATIONS
Product ModelSFP28BD-25-1213-20(ELR)-LCManufacturer BrandPHILISUN
Package TypeSFP28Optical ConnectorLC
Max Data Rate25.78GbpsChannel Data Rate-
Effective Transmission Distance20km
Wavelength1270nm-TX/1330nm-RXOperating Voltage3.3V
Fiber TypeSMFCore Size9/125µm
Transmitter TypeDFB BiDiReceiver TypePIN
TX Power0~6dBmReceiver Sensitivity<-14dBm
Digital Optical Monitoring(DOM)YESReceiver Overload2.5dB
Power Consumption≤1.2WProtocolseCPRI, SFF-8472, SFF-8432, SFF-8431
Operating Temperature(Commercial)0℃~+70℃Storage Temperature(Commercial)-40℃~+85℃

 

PRODUCT PRESENTATION
The PHILISUN SFP28 BIDI 25G 1270/1330nm 20km ELR LC SX transceiver is a high-performance module designed for bidirectional optical data transmission over single-mode fiber, supporting distances of up to 20km. It complies with SFF-8472, SFF-8402, SFF-8432, and applicable sections of SFF-8431 standards.Equipped with digital diagnostic monitoring via a 2-wire serial interface, as outlined in SFF-8472, this transceiver ensures reliable performance and precise monitoring for seamless integration into high-speed network applications.

 

TRANSCEIVER SERIES PRODUCTS
25G 1270 1330nm 20km elr LC SX transceiver series products

 

PRODUCTION & TESTING EQUIPMENT
25G 1270 1330nm 20km elr LC SX transceiver production and testing equipment

 

PERFORMANCE PARAMETER
Absolute Maximum Ratings
Parameter Symbol Unit Min. Max.
Storage temperature range TS °C -40 85
Relative humidity RH % 0 85
Supply voltage VCC V -0.3 3.6

 

Recommended Operating Conditions
Parameter Symbol Unit Min. Typ. Max.
Operating case temperature range Tc -40 85
Power supply voltage VCC V 3.135 3.3 3.465
Bit rate BR Gb/s 24.33024 25.78125
Max. supported link length L km 10 20

 

Electrical Characteristics
Parameter Symbol Unit Min. Typ. Max. Note
Supply voltage VCC V 3.14 3.3 3.46
Supply current Icc mA 360 @3.3V
Transmitter
Input differential impedance Rin Ω 100
Single ended data input swing VIN mVp-p 90 450
Transmit disable voltage VDIS V 2 VCCHOST
Transmit enable voltage VEN V VEE VEE+0.8
Transmit fault assert voltage VFA V 2.2 VCCHOST
Transmitfault de-assert voltage VFDA V VEE VEE+0.4
Receiver
Single ended data output swing VOD mVp-p 200 450
LOS fault VLOSFT V 2.2 VccHOST
LOS normal VLOSNR V VEE Vee+0.4

 

Optical Characteristics
Parameter Symbol Unit Min. Typ. Max Notes
Transmitter
Center wavelength range λ nm 1320 1340 Downstream
1280 Upstream
Spectral width | -20dB nm 1
Side mode suppression ratio SMSR dB 30
Average launch power PAVG dBm 0 6
OMA launch power POMA dBm -2
Transmitter and dispersion penalty 25G | BER=5E-5 TDP dB 4
Average launch power of OFF transmitter POFF dBm -30
Extinction ratio ER dB 3.5
RIN20OMA RIN dB/Hz -130
Optical return loss tolerance dB 20
Mask margin % 5 1
Receiver
Center wavelength λr nm 1260 1270 1280 Downstream
1320 1330 1340 Upstream
Overload dBm 2.5
OMA receiver sensitivity up to 25G 5E-5 POMA dBm -14
LOS de-assert LOSA dBm -30
Los assert LOSD dBm
-17
Los hysteresis dB 0.5
Note 1: Template: {0.31, 0.40, 0.45, 0.34, 0.38, 0.40}, Hit Ratio: 5E-5

 

PIN FUNCTION DEFINITIONS
SFP28 BiDi transceiver electrical pad layout diagram

 

TRANSCEIVER PIN DESCRIPTIONS
Pin No. Symbol Logic Description
1 VeeT Connected to signal ground on the host board.
2 TX fault LVTTL output Module transmitter fault output
3 TX disable LVTTL input Module transmitter disable control
4 SDA LVTTL input/output 2-wire serial interface data
5 SCL LVTTL input/output 2-wire serial interface clock
6 MOD_ABS Module absent (connected to Module ground)
7 RS0 LVTTL input Rate select 0 (Rx): Low=CDR Bypass; high=CDR select
8 LOS LVTTL output Receiver loss of signal
9 RS1 LVTTL input Rate select 1 (Tx): Low=CDR Bypass; high=CDR select
10,11,14 VeeR Connected to signal ground on the host board.
12 RD- CML output Receiver inverted data output, internally AC coupled and terminated.
13 RD+ CML output Receiver non-inverted data output, internally AC coupled and terminated.
15 VccR Receiver power 3.3V supply
16 VccT Transmitter power 3.3V supply
18 TD+ CML input Transmitter non-inverted data input, internally AC coupled and terminated.
19 TD- CML input Transmitter inverted data Input, internally AC coupled and terminated

 

PRODUCT CERTIFICATION
certification and compliance module

 

QUALITY ADVANTAGE
PHILISUN quality advantage graphic

 

COMPATIBLE BRANDS
Compatible optical transceiver brands graphic
CONFIGURATION INFORMATION
光模块产品详情订购信息---SFP28