CFD470
Fiber Optic PIN Photodiode
® Clairex
Technologies, Inc.
April, 2004
(4.115)
0.220
(5.588)
0.190
(4.826)
(13.97 ± 0.127)
0.100 ± 0.005 (0.457 ± 0.127) long
0.006 ± 0.001 (0.152 ± 0.025) wide
0.142
(3.607)
www.DataSheet4U.com
0.019–0.016
(0.480-0.404)
0.100
(2.54)
CAUTION: Do not exceed the absolute maximum soldering
temperature and time duration shown in note 1.
0.040
(1.016)
ALL DIMENSIONS ARE IN INCHES (MILLIMETERS)
features
• High speed, low capacitance
• Optimized for fiber-optic
applications
• TO-18 header with plastic lens
absolute maximum ratings (TA = 25°C unless otherwise stated)
storage temperature ...................................................................... -55°C to +115°C
operating temperature.................................................................... -40°C to +100°C
lead soldering temperature(1) ......................................................................... 240°C
reverse voltage ........................................................................................... 100VDC
continuous power dissipation................................................................... 200mW(2)
description
The CFD470 contains a PIN silicon notes:
photodiode mounted on a TO-18
1. 1/16" (1.6mm) from case for 5 seconds maximum.
header. The devices are designed
2. Derate linearly 2.13mW/°C from 25°C free air temperature to TA = +100°C.
to self-align in the 0.228” (5.79mm)
bore of a standard fiber-optic
receptacle. Three crush ribs on the
outside of the case provide press-fit
installation and precise alignment.
The CFD470 is designed to interface
with multimode optical fibers from
50/125 to 200/300 microns.
electrical characteristics (TA = 25°C, VCC = 5VDC unless otherwise noted)
symbol parameter
min typ max units test conditions
R Flux responsivity(3)
0.33 0.55
-
A / W VR = 5V
ID Dark current
- 1.0 5.0 nA VR = 5V
λP Peak response wavelength
tr Output rise time(4)
- 880 -
- 6.0 -
nm
ns VR = 15V
CT Total capacitance
- 3.0
pF VR = 20V
FoV Field of view
- 80
deg.
notes: 3. Tested with 50/125 µm, 0.20 N. A. fiber @ 10 µW optical power with 850nm source. Responsivity levels
apply to 50 µm, 62.5 µm and 100 µm core optical fibers.
4. RL = 50Ω, 10% - 90%.
Clairex reserves the right to make changes at any time to improve design and to provide the best possible product.
Revised 10/01/04
Clairex Technologies, Inc.
Phone: 972-265-4900
1301 East Plano Parkway
Fax: 972-265-4949
Plano, Texas 75074-8524
www.clairex.com
