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| VISIBLE DETECTOR CdS photoconductive cell Resin coating type (5R type) Standard type designed for general-purpose, wide application CdS photoconductive cells utilize photoconductive effects in semiconductors that decrease their resistance when illuminated by light. These sensors are non-polar resistive elements with spectral response characteristics close to the human eye (luminous efficiency), thus making their operating circuits simple and small. Features Applications l Small size, thin package l Low price l Wide range of sensor lineup l Programed electronic shutter and stroboscope light control for compact camera l Auto dimmer for digital display, CRT and room illumination l Sensor for automatic light on/off l Sensor for electronic toy and teaching aid material s Absolute maximum ratings / Characteristics (Typ. Ta=25 C, unless otherwise noted) Peak Power Ambient sensitivity Supply dissipation temperature wavelength voltage P Ta lp (Vdc) (mW) 30 (C) -30 to +50 (nm) 620 Absolute maximum ratings Characteristics * Cell resistance * 0 lx *! g *" Response time 10 lx *# Rise time Fall time tr tf (ms) 60 40 50 40 (ms) 25 30 40 10 Type No. 10 lx, 2856 K Min. (kW) 5 Max. Min. (kW) (MW) 100 to 10 lx P687-02 20 5.0 0.70 100 P1201-04 200 50 -30 to +60 540 50 20 0.90 P1201-06 100 P1241-04 3 9 0.2 0.70 P1241-05 50 -30 to +60 560 8 24 0.5 0.70 P1241-06 5 20 0.5 0.75 30 P1444 10 50 5.0 100 -30 to +50 620 0.85 P1445 48 140 20 *1: All characteristics are measured after exposure to light (100 to 500 lx) for one to two hours. *2: The light source is a standard tungsten lamp operated at a color temperature of 2856 K. *3: Measured 10 seconds after shutting off the 10 lx light. *4: Typical gamma characteristics (within 0.10 variations) between 100 lx to 10 lx 100 = 10 log (R100) - log (R10) log (E100) - log (E10) E, E: illuminance 100 lx, 10 lx R, R: resistance at 100 lx and 10 lx respectively *5: The rise time is the time required for the sensor resistance to reach 63 % of the saturated conductance level (when fully illuminated). The fall time is the time required for the sensor resistance to decay from the saturated conductance level to 37 %. 1 CdS photoconductive cell s Cell resistance vs. illuminance 10000 (Typ. Ta=25 C, light source: 2856 K) Resin coating type (5R type) s Resistance temperature characteristics (Typ. light source: 2856 K, 10 lx) 140 CHANGE IN ILLUMINATED RESISTANCE (%) P687-02 120 P1444, P1445 CELL RESISTANCE (k) 1000 P1445 P1201-04 100 P1201-06 P1444 P1241-04/-05/-06 100 P1201-04/-06 P687-02 10 P1241-06 P1241-05 P1241-04 1 0.1 1 10 100 80 60 -30 -20 0 20 40 60 80 ILLUMINANCE (lx) KCDSB0023EA AMBIENT TEMPERATURE (C) KCDSB0024EA s Dimensional outline (unit: mm) 4.3 0.2 3.4 ACTIVE AREA 0.5 LEAD 27 2 KCDSA0001EA 2.5 MAX. Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. (c)2001 Hamamatsu Photonics K.K. 5.1 0.2 HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658 France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741 2 Cat. No. KCDS1005E01 Oct. 2001 DN |
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