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LASER DIODES
OL5201N-25, OL5204N-25
electronic components
OL5201N-25, OL5204N-25
1.55
mm High-Power Laser-Diode DIP Module
E2V0020-37-X1
GENERAL DESCRIPTION
The OL5201N-25 and OL5204N-25 are 1.55 mm, extremely high-power laser-diode DIP modules
with single-mode fiber pigtails. The Multi-Quantum-Well (MQW) structure laser diodes
achieve a single-mode fiber output of over 25 mW. The modules are optimal light sources for
optical measuring instruments and other systems that require high-power.
FEATURES
High output power: Pf=25 mW
Single-mode fiber
Hermetically-sealed,14-pin Dual-In-line Package (DIP)
Includes thermoelectric cooler for temperature control
Includes monitor photodiode for power control (OL5201N-25)
APPLICATIONS
Optical measuring instruments
OTDRs
PACKAGE DIMENSIONS (Unit: mm)
OL5201N-25/OL5204N-25
OL5201N-25
OL5204N-25
#8
#14
#7
#1
(+)
()
CASE
THERMISTOR
LD
FIBER
TERMINAL CONNECTION
(BOTTOM VIEW)
COOLER
PIN No.
FUNCTION
PIN No.
FUNCTION
1
2
3
4
5
6
7
COOLER ANODE
NC
NC
NC
LD ANODE and
CASE GROUND
NC
NC
8
9
10
11
12
13
14
NC
LD CATHODE
LD ANODE and
CASE GROUND
THERMISTOR
THERMISTOR
NC
COOLER CATHODE
#8
#14
#7
#1
(+)
()
CASE
THERMISTOR
LD
FIBER
TERMINAL CONNECTION
(BOTTOM VIEW)
COOLER
PIN No.
FUNCTION
PIN No.
FUNCTION
1
2
3
4
5
6
7
COOLER ANODE
NC
NC
NC
LD ANODE and
CASE GROUND
NC
PD CATHODE
8
9
10
11
12
13
14
PD ANODE
LD CATHODE
LD ANODE and
CASE GROUND
THERMISTOR
THERMISTOR
NC
COOLER CATHODE
PD
25.4
12.7
1.0
20.8
f
0.9
24
5.9
3.8
2.54
7.1
9
7.62
19
5
1
f0.45
6.35
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LASER DIODES
OL5201N-25, OL5204N-25
TYPICAL CHARACTERISTICS
OL5201N-25
OL5204N-25
30
20
10
0
0
100
200
400
0.0
0.1
0.2
0.3
0.4
0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Fiber Output Power vs. Forward Current
Pf
V
F
Im
300
Fiber Output Power Pf (mW)
Forward Current I
F
(mA)
Monitor Current Im (mA)
Forward Voltage V
F
(V)
30
20
10
0
0
100
200
400
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Fiber Output Power vs. Forward Current
Forward Current I
F
(mA)
Pf
V
F
300
Fiber Output Power Pf (mW)
Forward Voltage V
F
(V)