PROFESSIONAL LED INDICATORS Ø 8.1mm Mounting
FEATURES
l
l
l
l
l
Nickel plated brass housing
502 SERIES
PACK QUANTITY = 10 PIECES
Sealed to IP67
Water clear lens for good on/off contrast ratio
Internally potted for use in high vibration applications
Internal reverse protection diode fitted as standard in all
voltage models.
l
Wide viewing angle
SPECIFICATION
Ordering Information & Typical Technical Characteristics (Ta = 25°C)
Mean Time Between Failure = 100,000 Hours. Luminous intensity figures refer to the unmodified discrete LED.
PART NUMBER
COLOUR
LENS
VOLTAGE CURRENT LUMINOUS
DC (Vdc)
Vopr
WAVE
LENGTH
OPERATING
TEMP
Topr
STORAGE
TEMP
Tstg
DC (mA)
lopr
INTENSITY
lv@20mA (mcd) λp (nm)
HIGH INTENSITY
502-501-21
502-521-21
502-532-21
502-930-21
502-997-21
502-501-23
502-521-23
502-532-23
502-930-23
502-997-23
UNITS
Red
Water Clear
Water Clear
Water Clear
Water Clear
Water Clear
Water Clear
Water Clear
Water Clear
Water Clear
Water Clear
12
20
20
20
20
20
20
20
20
20
20
mA
11000
16000
23000
7000
643
591
527
470
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
°C
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yellow
Green
Blue
12
12
12
Cool White
Red
12
14000
11000
16000
23000
7000
*see below -40 ~ +95^
24-28
24-28
24-28
24-28
24-28
Vdc
643
591
527
470
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
Yellow
Green
Blue
Cool White
14000
mcd
*see below -40 ~ +95^
nm °C
997F-C *Typical emission colour cool white
Intensities (lv) and colour shades of white (x,y co-ordinates) may vary between LEDs
within a batch.
x
y
0.245 0.361 0.356
0.229 0.385 0.351
0.264
0.220
Other voltages AC/DC available. Please contact our Technical Sales.
^ = Products must be derated according to the derating information. Each derating graph refers to specific LEDs. Refer to page 3.
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.
BS EN ISO 9001:2000
Approved Manufacturer
Page 1 of 3
© MARL INTERNATIONAL LTD 2008 : DS 014/08 Issue 2
SAMPLES AVAILABLE