1. Description:
The 850nm single-mode fiber-optic superluminescent light emitting diode (SLED) module used in high reliability OCT applications.
2. Features:
- 20mW High output power;
- 14PIN BTF Package;
- 3dB bandwidth of >45nm;
- Operating Temperature -45~+70℃;
- SM fiber or PM fiber pigtail.
3. Applications:
- Fiber optic gyroscopes;
- Biomedical imaging device;
- Optical coherence topography;
- Optical test instrument.
4. Absolute Maximum Ratings:
| Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
| Storage temperature |
TS |
-45 |
- |
85 |
℃ |
| Operating case temperature |
TC |
-20 |
- |
70 |
℃ |
| Reverse voltage |
VCC |
- |
- |
2.0 |
V |
| Forward current |
IC |
- |
- |
290 |
mA |
| Thermoelectric cooler voltage |
V |
- |
- |
3.2 |
V |
| Thermoelectric cooler current |
I |
- |
- |
1.5 |
A |
| Storage humidity |
- |
5 |
- |
85 |
%RH |
| Lead solder temperature |
- |
- |
- |
260 |
℃ |
| Lead solder time |
- |
- |
- |
10 |
S |
| Tensile strength of pigtail |
- |
1 |
- |
- |
kgf |
| Fiber bend radius |
- |
30 |
- |
- |
mm |
5. Electro-Optical Characteristics(25℃ laser temperature):
| Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Notes |
| Operating current |
IOP |
- |
250 |
290 |
mA |
CW |
| Operating voltage |
VOP |
- |
2.0 |
2.5 |
V |
CW |
| Power in fiber |
P |
20 |
- |
- |
mW |
CW |
| 3dB bandwidth |
Δλ |
45 |
50 |
|
nm |
CW |
| Center length |
λC |
830 |
840 |
850 |
nm |
CW |
| Monitor current |
IM |
0.05 |
0.1 |
- |
mA |
|
| Ripple wave |
Rip |
- |
0.15 |
0.3 |
dB |
|
| TEC current |
IC |
- |
- |
1.0 |
A |
TC = -20~+70℃ |
| TEC voltage |
VC |
- |
- |
2.5 |
V |
TC = -20~+70℃ |
| Thermistor resistance |
Rth |
9.5 |
10 |
10.5 |
KΩ |
TC = 25℃ |
| Thermistor B constant |
B |
- |
3950 |
- |
K |
- |
6. Fiber Pigtail Specifications:
| Part |
Description |
| SM Fibre |
CS780 |
| Pigtail type |
900μm loose tube |
| Optical connector |
FC/APC |
| Fibre Pigtail Length |
1m |
7. Package drawing&PIN-OUT Definition(Unit:mm):


| PIN |
Description |
PIN |
Description |
| 1 |
TEC(+) |
14 |
TEC(-) |
| 2 |
Thermistor |
13 |
Case Ground |
| 3 |
PDAnode |
12 |
NC |
| 4 |
PD Cathode |
11 |
SLD Cathode |
| 5 |
Thermistor |
10 |
SLDAnode |
| 6 |
NC |
9 |
NC |
| 7 |
NC |
8 |
NC |