Ordering Information & Typical T echnical Characteristics (T a = 25°C)
Mean Time Between Failure = 100,000 Hours.
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.
How to Order:
website: www.marl.co.uk • email: sales@marl.co.uk •
•
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.
for products or service.
997F-C
x
y
PART NUMBER
528-501-21
528-521-21
528-532-21
528-930-21
528-501-23
528-521-23
528-532-23
528-930-23
528-997-23
UNITS
T elephone +44 (0)1229 582430
528-997-21
© MARL INTERNATIONAL LTD 2008 : DS 037/06
PROFESSIONAL LED INDICATORS Ø13mm Mounting
*Typical emission colour cool white
0.245
0.229
0.361
0.385
COLOUR
Red
Yellow
Green
Blue
Cool White
Red
Yellow
Green
Blue
Cool White
0.356
0.351
•
Fax: +44 (0)1229 585155
Marl International reserve the right to alter without notice the specification or any conditions of supply
0.264
0.220
LENS
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
Colour Diffused
528 SERIES
PACK QUANTITY = 10 PIECES
Luminous intensity figures refer to the unmodified discrete LED.
Issue 4
Intensities (lv) and colour shades of white (x,y co-ordinates) may vary between LEDs
within a batch.
VOLTAGE
DC (Vdc)
Vopr
12
12
12
12
12
24-28
24-28
24-28
24-28
24-28
Vdc
SPECIFICATION
HIGH INTENSITY
CURRENT
DC (mA)
lopr
19
19
20
20
20
20
20
20
20
20
mA
SAMPLES AVAILABLE
Robust stainless steel housing
Low profile styling, sunlight readable LEDs
Sealed to IP67
Flying lead terminations available
Suitable for high vibration applications
Internal reverse protection diode fitted as standard in all
voltage models.
LUMINOUS
INTENSITY
lv@20mA (mcd)
11000
16000
23000
7000
14000
11000
16000
23000
7000
14000
mcd
WAVE
LENGTH
λp (nm)
643
591
527
470
*see below
643
591
527
470
*see below
nm
FEATURES
OPERATING
TEMP
T opr
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
-40 ~ +95^
°C
STORAGE
TEMP
T stg
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
-40 ~ +100
°C
BS EN ISO 9001:2000
Approved Manufacturer
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