
Optoway
      DL-5500-CXX0 
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1270 nm ~ 1610 nm DFB LD MODULES        DL-5500-CXX0 SERIES                                                          
1.25 Gbps CWDM MQW-DFB LD RECEPTACLE 
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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    12/1/2003 V1.1
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FEATURES 
2  
18-wavelength CWDM: from 1270 nm to 1610 nm, each Step 20 nm  
2  
High reliability, long operation life 
2  
0 
o
C ~+70 
o
C operation 
2  
Up to 1.25 Gbps Operation 
2  
Single frequency operation with high SMSR 
2  
Build-in InGaAs monitor  
APPLICATION 
OC-3, OC-12, and Gigabit Ethernet Optical communication system 
DESCRIPTION 
DL-5500-CXX0 series are MQW-DFB laser diodes that provide a durable, single frequency oscillation 
with emission wavelength from 1270 nm to 1610 nm CWDM, each step 20 nm.  
ELECTRICAL AND OPTICAL CHARACTERISTICS  (T
C
=25 
°
C) 
Symbol 
Parameter 
Test Conditions 
Min. 
Typ. 
Max. 
Unit 
I
th
Threshold Current 
CW 
10 
20 
mA 
I
OP
Operating Current 
CW, I
th
+20mA 
35 
50 
mA 
V
OP
P
f 
Operating Voltage 
Optical Output Power  
     Part No:  DL-552X- CXX0 
              DL-553X- CXX0 
Center Wavelength 
CW, I
th
+20mA 
CW, I
th
+20mA 
1.2 
1.5 
V 
mW 
nm 
1.0 
2.0 
λ
-3
- 
- 
- 
- 
λ
c 
CW, I
th
+20mA 
λ
λ
+2
SMSR 
Side Mode Suppression Ratio 
t
r
, t
f
   Rise And Fall Times 
Δ
P 
f
 / P 
f
 Tracking Error 
CW, I
th
+20mA 
30 
35 
dB 
I
F
=I
th
, I
th
+20mA,20~ 80% 
APC, 0~+70 
o
C 
200 
±
1.5 
ps 
dB 
- 
- 
I
m
PD Monitor Current 
CW, I
th
+20mA,V
RD
=1V 
50 
μ
A
I
D
PD Dark Current 
V
RD
=5V 
V
RD
=5V, f=1MHz 
10 
nA 
C
t
PD Capacitance 
10 
15 
pF 
Note: Central CWDM wavelength is from 1270 nm to 1610 nm, each step 20 nm.  
ABSOLUTE MAXIMUM RATINGS  (T
C
=25 
o
C) 
Parameter 
Symbol 
Ratings 
Unit 
P
o
Optical Output Power (552X/553X) 
1.5 / 3 
mW 
V
RL
LD Reverse Voltage 
2 
V 
V
RD
PD Reverse Voltage 
10 
V 
I
FD
PD Forward Current 
1.0 
mA 
T
opr
Operating Temperature 
0~+70 
o
C 
T
stg
Storage Temperature 
-40~+85 
o
C