CFD470 ® Fiber Optic PIN Photodiode Clairex Technologies, Inc. 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 (0.480/0.404) 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) ......................................................................... 260°C reverse voltage ........................................................................................... 100VDC continuous power dissipation................................................................... 200mW(2) description The CFD470 contains a PIN silicon notes: 1. 1/16" (1.6mm) from case for 5 seconds maximum. photodiode mounted on a TO-18 2. Derate linearly 2.13mW/°C from 25°C free air temperature to TA = +100°C. header. The devices are designed 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, unless otherwise noted) symbol parameter min typ max units test conditions Flux responsivity(3) 0.33 0.50 A/W VR = 5V R ID Dark current 1.0 5.0 nA VR = 5V λP Peak response wavelength 880 nm Output rise time(4) 6.0 ns VR = 15V tr CJ Junction 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. Clairex Technologies, Inc. Phone: 972-265-4900 1301 East Plano Parkway Fax: 972-265-4949 Revised 3/15/06 Plano, Texas 75074-8524 www.clairex.com