
PART NUMBER
COLOUR
LENS
VOLTAGE
CURRENT
LUMINOUS
WAVE
OPERATING
STORAGE
DC
INTENSITY
LENGTH
TEMP
Vopr
lopr
lv@20mA
λ
p
Topr
Tstg
423-501-21
Red
Colour Diffused 12
20
11000
643
-0 ~ +85^
-0 ~ +85
Yes
423-521-21
Yellow
Colour Diffused 12
20
16000
591
-0 ~ +85^
-0 ~ +85
Yes
423-532-21
Green
Colour Diffused 12
20
23000
527
-0 ~ +85^
-0 ~ +85
Yes
423-930-21
Blue
Colour Diffused 12
20
7000
470
-0 ~ +85^
-0 ~ +85
Yes
423-997-21
Cold White
Colour Diffused 12
20
14000
*see below
-0 ~ +85^
-0 ~ +85
Yes
423-501-23
Red
Colour Diffused 24-28
17.5
11000
643
-0 ~ +85^
-0 ~ +85
Yes
423-521-23
Yellow
Colour Diffused 24-28
17.5
16000
591
-0 ~ +85^
-0 ~ +85
Yes
423-532-23
Green
Colour Diffused 24-28
17.5
23000
527
-0 ~ +85^
-0 ~ +85
Yes
423-930-23
Blue
Colour Diffused 24-28
17.5
7000
470
-0 ~ +85^
-0 ~ +85
Yes
423-997-23
Cold White
Colour Diffused 24-28
17.5
14000
*see below
-0 ~ +85^
-0 ~ +85
Yes
UNITS
Vdc
mA
mcd
nm
0
C
0
C
PANEL INDICATOR LEDs - 9.5mm Mounting
Ordering Information & Typical Technical Characteristics (Ta = 25°C)
Mean Time Between Failure Typically = 100,000 Hours. Luminous intensity figures refer to the unmodified discrete LED.
FEATURES
SPECIFICATIONS
SAMPLES AVAILABLE
MARL INTERNATIONAL LTD 2007 : DS082/07 Issue 1
Page 1 of 4
How to Order:
website: www.marl.co.uk email: sales@marl.co.uk
Telephone +44 (0)1229 582430 Fax: +44 (0)1229 585155
The information contained in this datasheet does not constitute part of any order or contract and should not be regarded as a representation
relating to either products or service. Marl International reserve the right to alter without notice the specification or any conditions of supply
for products or service.
^ = Products must be derated according to the derating information. Each derating graph refers to specific LEDs. Appropriate LED numbers
shown. Refer to page 3.
Intensities (lv) and colour shades of white (x,y co-ordinates) may vary between LEDs within
a batch.
997F-C *Typical emission colour cold white
x
0.245 0.361
0.356 0.264
y
0.229 0.385
0.351 0.220
HIGH INTENSITY
Front panel replaceability
Must be used in conjunction with 905-000-00 panel
socket. See datasheet DS084/04
Domed fresnel lens for wide angle viewing
Smoked & water clear lens options
Sealed to IP40
Product illustrated 423-532-22 in 905-000-00 panel
mounting socket
423 SERIES
PACK QUANTITY = 20 PIECES