NSL-21UV401

NSL-21UV401 UV Photocell Features • 350 nm Response in UV Spectrum • Passive Resistance Output • Compact Design • Rugged Hermetic Package • 98% Blocking of Visible Spectrum Description The NSL-21UV401 photocell is a near-UV detector suitable for flame detection in the 300-380 nm range while blocking most of the visible spectrum. The TO-5 package contains a quartz window to allow detection of radiation below 350 nm. Absolute Maximum Ratings Voltage Operating & Storage Temperature ø 9.1 Dimensions in mm. ø 8.3 ø 6.1 6.4 2.3 38 nom. 5.1 60V -30°C to +85°C Relative Spectral Response 1.0 Relative Response 0.8 0.6 0.4 0.2 0.0 200 400 600 800 1000 Wavelength (nm) 1000 350 Nano Meter Response Resistance (MegOhm) 100 10 1 0.1 0.01 0.001 0.01 0.1 1 10 100 Power (uW / sq cm) Electrical Characteristics (TA=25°C unless otherwise noted) Symbol Parameter Min Typ λP RON ROFF tD θR Peak Wavelength On Resistance Off Resistance Decay Time Temperature Coefficient 340 30 50 350 50 Max 360 70 200 Units Test Conditions nm KΩ MΩ mSec %/°C λ=350 nm, Ee=20 µW/cm 2 Ee=0 mW/cm , t=5 sec 2 Ee=20 to 0 mW/cm 2 0.6 Specifications subject to change without notice. 103120 REV 1 5200 St. Patrick St., Montreal Que., H4E 4N9, Canada Tel: 514-768-8000 Fax: 514-768-8889 QF-84 The Old Railway, Princes Street Ulverston, Cumbria, LA12 7NQ, UK Tel: 01 229 581 551 Fax: 01 229 581 554