
Optoway
         FL-5500 
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1550 nm LASER DIODE MODULES                  FL-5500 SERIES                                                          
UNCOOLED MQW-FP LD WITH RECEPTACLE   
******************************************************************************************************************************************************* 
OPTOWAY TECHNOLOGY INC.  
No
.3
8, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303 
   Tel: 886-3-5979798             Fax:886-3-5979737 
         e-mail: sales@optoway.com.tw    http: // www.optoway.com.tw    7/1/2002 V1.0 
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FEATURES 
2  
1550 nm typical emission wavelength 
2  
High reliability, long operation life 
2  
High temperature operation without active cooling 
2  
Build-in InGaAs monitor 
APPLICATION 
Trunk Line, FitL 
DESCRIPTION 
FL-5500 series are designed for coupling a single mode optical fiber with 1550 nm MQW-FP uncooled 
laser diode. FL-5500 series are the best kits as light sources for telecom and datacom applications. 
ELECTRICAL AND OPTICAL CHARACTERISTICS  (T
C
=25 
°
C) 
Symbol 
Parameter 
Test Conditions 
Min. 
Typ. 
Max. 
Unit 
I
th
Threshold Current 
CW 
12 
15 
mA 
V
OP
Operating Voltage 
CW, I
F
=Ith+20mA 
1.2 
1.5 
V 
P
f
Optical Output Power  
       Part No:FL-550X 
              FL-551X 
              FL-552X 
              FL-553X 
Center Wavelength 
CW, I
F
=Ith+20mA 
0.2 
0.5 
1.0 
2.0 
1520 
- 
- 
- 
- 
- 
- 
mW 
λ
c 
CW, I
th
+20mA 
1550 
1580 
nm 
Δλ
Spectral Width  
CW, I
th
+20mA, RMS 
3 
nm 
t
r
, t
 f
Rise And Fall Times 
I
F
=I
th
, I
th
+20mA,10~90% 
0.3 
ns 
Δ
P
f 
/ P 
f
 Tracking Error 
APC, -40~+85 
o
C 
- 
- 
±
1.0 
dB 
I
m
PD Monitor Current 
CW, I
th
+20mA,V
RD
=1V 
100 
μ
A 
I
D
C
 t
PD Dark Current 
PD Capacitance 
V
RD
=5V 
V
RD
=5V, f=1MHz 
0.1 
15 
μ
A 
10 
pF 
ABSOLUTE MAXIMUM RATINGS  (T
C
=25 
o
C) 
Symbol 
Parameter 
Ratings 
Unit 
P
o
Optical Output Power 
(550X/551X/552X/553X) 
LD Reverse Voltage 
0.5/1.0/1.5/3 
mW 
V
RL
2 
V 
V
RD
PD Reverse Voltage 
10 
V 
I
FD
PD Forward Current 
1.0 
mA 
T
opr
Operating Temperature 
-40~+85 
o
C 
T
stg
Storage Temperature 
-40~+85 
o
C