------ The KY-PD-18G-SM-HP
Key Features
lSpectral range 850 ~ 1650nm
l3dB bandwidth 18GHz
lResponsivity> 0.80A / W
lHigh optical power handing >50mW
lSmall size
lHermetically sealed
lHigh reliability
lSMA output
Applications
lHigh Dynamic Range, Analog RF Links over Fiber
lRapid Doppler-Shift LIDAR Measurements
lCoherent Lightwave System
Description
KY-PD-18G-SM-HP InGaAs PIN photodetector is used for the high dynamic range analog RF links over fiber. It’s high-performance PIN detector, which has the characteristics of high bandwidth, high responsivity, flat gain, small size, etc. The power supply is DC 5V, and the fiber interface is FC / APC. SMA output port, mainly used in high-speed optical fiber transmission system, ROF, optical fiber sensing system.
Parameters
Parameters | Symbol | Min. | Typ. | Max. | Unit |
Spectral response | l | 850 |
| 1650 | nm |
Dark current(VR=5V) | Id |
| 3 | 20 | nA |
Responsivity(VR=5V) | R | 0.80 | 0.85 |
| A/W |
Bandwidth | BW | 18 |
|
| GHz |
Optical return loss | ORL | 30 |
|
| dB |
Saturated optical power | Ps | 50 |
|
| mW |
Fiber |
| Smf-28e, MMF, PMF |
Fiber connector |
| FC/PC、FC/APC or user specified |
Electrical return loss | S11 |
| -12 | -10 | dB |
Input impedance | ZRF | 50 | W |
Electrical interface |
| SMA(f) |
Absolute Maximum Ratings
Parameters | Symbol | Unit | Min. | Typ. | Max. |
Input optical power | Pin,Max | mW |
|
| 60 |
Bias voltage | Vbias | V | 5 |
| 12 |
Operating temperature | Top | ºC | -20 |
| 70 |
Storage temperature | Tst | ºC | -40 |
| 85 |
Humidity | RH | % | 5 |
| 90 |
Lead soldering temperature |
| ℃ |
|
| 260 |
Lead soldering duration |
| s |
|
| 10 |
Fiber yield strength |
| kgf | 1 |
|
|
Fiber bend radius |
| mm | 30 |
|
|
Test curve
Fig1. S21 curve with input optical power
Dimensions(Unit:mm)
