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
(T
A
=25°C unless otherwise noted)
Symbol Parameter
Min
Typ
λ
P
R
ON
R
OFF
t
D
θ
R
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
SILONEX [ SILONEX INC. ]
