SFBD-1250A4Q1R
Small Form Factor Bi-Directional Transceiver
Module for Gigabit Ethernet
FEATURES
RoHS compliant
IEEE802.3ah Gigabit Ethernet compliant
SFF package with bi-directional SC
receptacle
Upstream 1.25Gbps transmitter with 1310nm
FP Laser, and downstream 1.25Gbps receiver
with 1490nm PIN-TIA
Integrated with WDM filter to cut 1550nm and
1650nm optical signal off
Single +3.3V power supply
LVTTL Transmitter Enable input and Rx
Signal Detect output
Description
The SFBD-1250xxxx series are 3.3V small
Form Factor Bi-Directional Transceiver Module
designed expressly for high-speed
communication applications that require rates of
up to 1.25Gbit/sec. It is compliant with the
Gigabit Ethernet standards, as well as the SFF
Multisource Agreement (MSA).
The module consists 1310nm FP laser,
InGaAs PIN, Preamplifier and WDM filter in a
high-integrated optical sub-assembly, and it is
contained in a standard SFF package with a
9/125um SC receptacle connector.
Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
Application
IEEE 802.3ah 1000BASE-BX10-U
GE-Media Converter
Gigabit Ethernet P2P Optical Network
FTTx WDM Broadband Access
SFBD-1250A4Q1R data link up to 10km in
9/125um single mode fiber.
DELTA ELECTRONICS, INC.
1 Revision: S0
04/12/2007
www.deltaww.com
SFBD-1250A4Q1R
1. Absolute Maximum Ratings
Parameter Symbol Min. Typ. Max. Unit Note
Storage Temperature Ts -40 85 ºC
Storage Ambient Humidity HA 5 95 %
Power Supply Voltage VCC -0.3 4 V
Signal Input Voltage -0.3 Vcc+0.3 V
Receiver Damage Threshold +3 dBm
Lead Soldering Temperature T
Lead Soldering Time t
260 ºC
SOLD
10 sec
SOLD
2. Recommended Operating Conditions
Parameter Symbol Min. Typ. Max. Unit Note
Ambient Operating Temperature TA 0 70 ºC
Ambient Humidity HA 5 85 %
Power Supply Voltage VCC 3.13 3.3 3.47 V
Power Supply Current ICC 300 mA
Power Supply Noise Rejection 100 mVp-p
Data Rate
1.25
-100ppm
1.25
1.25
+100ppm
Gbps
Transmission Distance 10 km
Without air flow
Non-condensing
100Hz to 1MHz
3. Specification of Transmitter
Parameter Symbol Min. Typ. Max. Unit Note
Average Launched Power PO
Launched power (Peak.) PP
Extinction Ratio ER
Center Wavelength
Spectrum Width (RMS)
Transmitter OFF Output Power P
λ
σ
Off
C
Optical Rise/Fall Time tr/tf 260 ps Note (2)
Total Jitter tJ 227 ps Note (3)
Optical Return Loss Tolerance ORLT 12 dB
Relative Intensity Noise RIN12OMA -113 dB/Hz
Optical Transmitter Reflectance -6 dB
Transmitter and Dispersion Penalty TDP 3.3 dB
Output Eye Mask
{X1,X2,Y1,Y2,Y3}
Compliant with IEEE 802.3ah
{0.22,0.375,0.20,0.20,0.30}
Note (1). Launched power (avg.) is power coupled into a single mode fiber with master connector.
Note (2). These are unfiltered 20-80% values.
Note (3). Measure at 2
7
-1 NRZ PRBS pattern
-9 -3
0
9
dBm Note (1)
dBm
dB
1260 1310 1360 nm FP Laser
Compliant with IEEE 802.3ah
-45
nm Note (4)
dBm
Note (5)
DELTA ELECTRONICS, INC.
2 Revision: S0
04/12/2007
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R
N
N
Note (4): Spectral Width (RMS)
Center Wavelength
nm nm
1260 2.09
1270 2.52
1280 3.13
1290
1295
1297
1329
1331
1340
1350 3.06
1360 2.58
MS spectral width(max)
3.50
Note (5). Transmitter eye mask definition
SFBD-1250A4Q1R
Transmitter Spectral Limits
4
3
2
RMS (nm)
1
0
1240 1260 1280 1300 1320 1340 1360 1380
1+ Y 3
1
1-Y1
0.5
Y1
ormalized Amplitude
0
-Y2
X1 X2
ormalized Time
Center Wavelength (nm)
1-X1
1-X2
1
4. Specification of Receiver
Parameter Symbol Min. Typ. Max. Unit Note
λ
SAT
IN
1480 1490 1500 nm PIN-PD
-23
dBm Note (1)
-3 dBm
-12
@PRBS=27-1 NRZ
3 Revision: S0
04/12/2007
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Input Optical Wavelength
Receiver Sensitivity PIN
Input Saturation Power (Overload) P
Signal Detect -Assert Power PA -24 dBm
Signal Detect -Deassert Power PD -44 dBm Note (2)
Signal Detect Hysteresis PA-PD 0.5 2 5 dB
Data Output Rise/Fall time tr/tf 260 ps Note (3)
Optical Receiver Reflectance -12 dB Note (4)
Optical Isolation
from External
Source
1260 to 1360nm -43 dB
1550 to 1560nm -33 dB
1640 to 1665nm -33 dB
Note (1). Measured with Light source 1490nm, ER=9dB; BER =<10
Note (2). When SD deasserted, the data output is Low-level (fixed)
Note (3). These are 20%~80% values.
Note (4). Measured at wavelength of 1490nm.
DELTA ELECTRONICS, INC.
SFBD-1250A4Q1R
5. Electrical Interface Characteristics
Parameter Symbol Min. Typ. Max. Unit Note
Transmitter
Total Supply Current ICC A mA Note (1)
Differential line input Impedance RIN 90 100 110 Ohm
Differential Data Input Swing VDT 400 1600 mV
Transmitter Disable Input-High V
Transmitter Disable Input-Low V
2 VCC V
DISH
0 0.8 V
DISL
Note (2)
p-p
LVTTL
Receiver
Total Supply Current ICC B mA Note (1)
Differential Data Output Swing VDR 400 800 1200 mV
Signal Detect Output Voltage-High V
Signal Detect Output Voltage-Low V
2 Vcc+0.3 V
LOSH
0 0.8 V
LOSL
Note (2)
p-p
Note (3)
Note (1). A (TX)+ B (RX) = 300mA (Not include termination circuit)
Note (2). Internally AC coupled, but requires a 100Ohm differential termination at or internal to Serializer/
Deserializer.
Note (3). LVTTL logic output, internal 4.7K~10K Ohm pull-up resistor. External load on host board is
unnecessary.
6. Pin Description
Tx/Rx Pin No. I/O Pin Name Description
1
2
Rx
3 O
4 O
5 O
6
7
Tx
8 I
9 I
10 I
Note (1). EMI shielding lead must be connected to Signal ground
VeeR
VccR
Receiver Ground
+3.3V Receiver Power Supply
SD Normal Optical Input indicated by logic “High”, and No Optical
Input indicated by logic “Low”. (LVTTL)
RD(n)
RD(p)
VccT
VeeT
Inverted Receiver Data Output (AC-Coupled CML output)
Non-Inverted Receiver Data Output (AC-Coupled CML output)
+3.3V Transmitter Power Supply
Transmitter Ground
Tx_Dis LVTTL Logic “High” to Disable Transmitter, and Enable
Transmitter by Logic “Low”.
TD(p)
TD(n)
MS
Non-Inverted Transmitter Data Input (AC-Coupled LVPECL input)
Inverted Transmitter Data Input (AC-Coupled LVPECL input)
Mounting studs/ connect this pin to Chassis ground
DELTA ELECTRONICS, INC.
MS
Bottom View
MS
4 Revision: S0
04/12/2007
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7. Recommended Interface Circuit (AC Coupling)
3.3V
10uF
100nF
1uH
1uH
100nF
SFBD-1250A4Q1R
DELTA SFF Module
6. VccT
Protocol IC
Tx_Dis
SD
Z0=50ohm
Z0=50ohm
150ohm150ohm
SerDes IC
Z0=50ohm
100ohm
Z0=50ohm
* RES is the internal 4.7K to 10K Ohms pull-up resistor.
8. Tx_Dis
10. TD(n)
7. VeeT
2. VccR
10uF 100nF
5. RD(p)
4. RD(n)
3. SD
1. VeeR
9. TD(p)
100nF
100ohm
100nF
100nF
100nF
RES
VccR
Transmitter
Receiver
DELTA ELECTRONICS, INC.
5 Revision: S0
04/12/2007
www.deltaww.com
SFBD-1250A4Q1R
8. Outline Dimensions
Parameter Unit Description Note
Mechanical Dimensions mm 48.3x13.5x9.6
Connector Type - SC/UPC connector IEC-61754-4
DELTA ELECTRONICS, INC.
Week (52Weeks/Year) : 1月2日=01
6 Revision: S0
04/12/2007
www.deltaww.com
SFBD-1250A4Q1R
9. Regulatory Compliance
Feature Test Method Reference Performance
Electrostatic Discharge
(ESD) to the Electrical
Pins
(ESD) to the Simplex
Receptacle
Radio Frequency
Electromagnetic Field
Immunity
Electromagnetic
Interference (EMI)
Laser Eye Safety
Component Recognition
Human Body Model
(HBM)
Machine Model (MM) EIA-JESD22-A115
Contact Discharge IEC/EN 61000-4-2 Electrostatic Discharge
Air Discharge
IEC/EN 61000-4-3
FCC Part 15 Class B
FDA/CDRH
TUV
TUV
UL/CSA
MIL-STD-883E Method 3015.7
EIA-JESD22-A114
IEC/EN 61000-4-2
EN 55022 Class B
(CISPR 22A)
FDA 21CFR 1040.10, 1040.11
IEC/EN 60825-1
IEC/EN 60825-2
IEC/EN 60950
UL 60950
(1) Satisfied with
electrical
characteristics of
product spec.
(2) No physical damage
CDRH File # 0420993
TUV Certificate #
R50032471
UL File # E239394
Appendix A. Document Revision
Version No . Date Description
S0 2007-04-12 Preliminary datasheet
7 Revision: S0
DELTA ELECTRONICS, INC.
04/12/2007
www.deltaww.com
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