Data Sheet
January 2001
A1112 High-Power 1550 nm DFB Source Lasers
Outline Diagram
Dimensions are in inches and (millimeters).
0.030
(0.76)
0.050
(1.27)
14 13 12 11 10
9
6
8
7
0.350
(8.89)
0.600
(15.24)
0.500
(12.70)
1
2
3
4
5
4X Ø 0.105
(2.67)
0.700 (17.78)
0.820 (20.83)
1.025 (26.04)
1.180 (29.97)
0.100
2.54
0.290
(7.37)
0.360
(9.14)
0.390
(9.91)
0.060
(1.52)
0.255
(6.48)
0.240
(6.09)
1-1177(F)
Pin Information
Table 3. Pin Descriptions
Pin
No.
A1112
(Positive Bias)
A1112
(Negative Bias)
Pin
No
A1112
(Positive Bias)
A1112
(Negative Bias)
1
2
3
4
5
6
7
TE Cooler (+)
NC
TE Cooler (+)
NC
8
9
Photodiode Anode Photodiode Anode
Laser Anode
Case Ground
Thermistor
Case Ground
NC
Laser Cathode
Case Ground
Thermistor
Case Ground
NC
Case Ground
NC
Case Ground
Laser Cathode
10
11
Laser Cathode, Case Ground Laser Anode, Case Ground 12
Laser Anode
NC
13
14
Photodiode Cathode
Photodiode Cathode
TE Cooler (–)
TE Cooler (–)
4
Agere Systems Inc.
AGERE [ AGERE SYSTEMS ]
