®
CFD470
Clairex
Technologies, Inc.
Fiber Optic PIN Photodiode
April, 2004
0.100 ± 0.005 (0.457 ± 0.127) long
0.006 ± 0.001 (0.152 ± 0.025) wide
(4.115)
(13.97 ± 0.127)
0.142
(3.607)
0.220
(5.588)
0.190
(4.826)
0.019/0.016
0.100
(2.54)
(0.480/0.404)
0.040
(1.016)
CAUTION: Do not exceed the absolute maximum soldering
temperature and time duration shown in note 1.
ALL DIMENSIONS ARE IN INCHES (MILLIMETERS)
features
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) ......................................................................... 260°C
reverse voltage ...........................................................................................100VDC
continuous power dissipation................................................................... 200mW(2)
• High speed, low capacitance
• Optimized for fiber-optic
applications
• TO-18 header with plastic lens
description
notes:
The CFD470 contains a PIN silicon
photodiode mounted on a TO-18
header. The devices are designed
to self-align in the 0.228” (5.79mm)
bore of a standard fiber-optic
1. 1/16" (1.6mm) from case for 5 seconds maximum.
2. Derate linearly 2.13mW/°C from 25°C free air temperature to TA = +100°C.
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, unless otherwise noted)
symbol
parameter
min
typ
max
units
test conditions
Flux responsivity(3)
Dark current
Peak response wavelength
Output rise time(4)
Junction capacitance
Field of view
R
ID
0.33
0.50
1.0
880
6.0
3.0
80
-
A/W
nA
nm
ns
pF
deg.
VR = 5V
VR = 5V
-
-
-
-
-
5.0
λ
-
-
-
-
P
tr
CJ
FoV
VR = 15V
VR = 20V
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 3/15/06
Clairex Technologies, Inc.
Phone: 972-265-4900
1301 East Plano Parkway
Fax: 972-265-4949
Plano, Texas 75074-8524
www.clairex.com