TO-18 Photocells Ceramic Substrate Features • Five photoconductive materials • Tolerance: ±40% @1 ftc, ±33% @ 2 ftc 3.30 - 3.81 38 Nom. 3.94 - 4.45 Description The Silonex TO-18 series of photoconductive cells provide up to seven standard resistance ranges in CdS or CdSe materials. These photocells are ceramic based with a moisture resistant plastic encapsulation. These devices are also available in a hermetic package. Absolute Maximum Ratings Operating & Storage Temperature Power Dissipation @ 25°C (1) -60°C to +75°C 50 mW 2.41 - 2.67 0.46 - 0.59 1.14 - 1.78 Dimensions in mm. (+/- 0.13) Notes: (1) derate linearly to 0 at 75°C (2) cells to be light adapted at 30 to 50 Ftc for 16 hrs minimum prior to electrical tests (3) 5 sec. after removal of test light. Electrical Characteristics (TA=25°C, source at 2854°K) Silonex Sensitive Spectral R @ 1 ftc R @ 2 ftc RTyp @ 100 ftc Min. RDark Voltage Rating Part No Material Peak (nm) (KOhms)(2) (Kohms)(2) (ohms) (Mohms) (3) (peak AC or DC)(V) 80 4.5 1,300 75 NSL-4122 80 1.8 500 30 NSL-4132 80 0.8 250 14 NSL-4142 Type 4 320 33 9,000 550 515 NSL-4152 CdS 320 15.6 4,000 260 NSL-4162 320 6.6 1,700 110 NSL-4172 160 3.0 900 50 NSL-4182 NSL-5112 10 700 0.67 100 NSL-5122 Type 5 20 1,500 1.3 100 550 NSL-5152 CdS 15 400 5 60 NSL-5162 100 3,000 67 100 NSL-6112 Type 6 690 2 170 1.3 100 CdSe NSL-7142 Type 7 4.5 250 3 60 615 NSL-7152 CdS 24 1,000 16 100 Specifications subject to change without notice 102899 REV 4 2 Cogan Ave, Plattsburgh NY, 12901, USA Tel: 518-561-3160 Fax: 514-747-3906 Northwich, Cheshire CW9 7TN, United Kingdom Tel: 01606-41999 Fax: 01606-49706 2150 Ward, Montreal QC, H4M 1T7, Canada Tel: 514-744-5507 Fax: 514-747-3906