------The KY-PD Series
Features
lSpectral range 850 ~ 1650nm
l3dB bandwidth Max.>70GHz
lResponsivity> 0.85A / W
lSmall size
lHermetically sealed
lHigh reliability
lSMA / K /1.85mm output
Applications
lHigh-speed transmission equipment
lRadio over fiver
lOptical fiber sensing system
Description
KY-PD-XX high-speed photodetector use 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 / K /1.85mm 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 |
| 0.1 | 5 | nA |
Responsivity(VR=5V) | -10G/20G | R | 0.85 |
|
| A/W |
-40G/70G | 0.5 | 0.6 |
|
Bandwidth | BW | 10/20/40/70 | GHz |
Optical return loss | ORL | 30 |
|
| dB |
Saturated optical power | Ps |
|
| 10 | dBm |
Fiber |
| Smf-28e, MMF, PMF |
Fiber connector |
| FC/PC、FC/APC or user specified |
Electrical return loss | S11 |
| -12 | -8 | dB |
Output impedance | ZRF | 50 | W |
Electrical interface |
| SMA(f) or K(f) or 1.85(f) |
Absolute Maximum Ratings
Parameters | Symbol | Unit | Min. | Typ. | Max. |
Input optical power | Pin,Max | dBm |
|
| 13 |
Bias voltage | Vbias | V | 3 | 5 | 7 |
Operating temperature | Top | ºC | -40 |
| 70 |
Storage temperature | Tst | ºC | -40 |
| 85 |
Humidity | RH | % | 5 |
| 90 |
Lead soldering temperature |
| ºC |
|
| 260 |
Lead soldering duration |
| s |
|
| 10 |
Fiber bend radius |
| mm | 30 |
|
|
Test curve
Fig1. S21 (KY-PD-20G&70G)
Dimensions (Unit: mm)
KY-PD-10/20G
KY-PD-40G
KY-PD-70G
Ordering Information
KY-PD-BW-PP-FA/FP
BW—Bandwidth：10G, 20G, 40G,70G
PP—Input Fiber：SM, MM, PM
FA/FP—Connector：FA---FC/APC; FP---FC/PC