508 series
features
• Ø8.1mm mounting
• Robust bright nickel plated brass housing
• Low profile lens styling, domed lens available
• Smoked lens
• Sealed to IP67, suitable for high vibration applications
• Internal reverse protection diode fitted as standard in all
voltage models
• Pack Quantity = 10 Pieces
specifications
Typical characteristics (Ta = 25°C)
Current Luminous
Wave
Length
(nm)
Operating
Temp.
(°C)
Storage
Temp.
(°C)
Part
Voltage
Vac/dc
De-rating
Graphs
Colour
Number
DC
Intensity
(mcd)
(mA)
508-501-21
508-521-21
508-532-21
508-930-21
508-997-21
508-501-23
508-521-23
508-532-23
508-930-23
508-997-23
Red
Yellow
Green
Blue
12 Vdc
12 Vdc
12 Vdc
12 Vdc
12 Vdc
28 Vdc
28 Vdc
28 Vdc
28 Vdc
28 Vdc
19
19
20
20
20
20
20
20
20
20
600
600
630
585
515
465
-40 - +80
-40 - +80
-40 - +80
-30 - +85
-40 - +100
-40 - +100
-40 - +100
-40 - +100
-40 - +100
-40 - +100
-40 - +100
-40 - +100
-40 - +100
-40 - +100
D
D
F
U
I
800
140
White
Red
27000
600
* See below -30 - +85
630
585
515
465
-40 - +80
-40 - +80
-40 - +80
-30 - +85
D
D
F
U
I
Yellow
Green
Blue
600
800
140
White
27000
* See below -30 - +85
997F-C
*Typical emission colour White
x
y
0.31
0.32
-
-
-
-
-
-
- Intensities (lv) and colour shades of white (x, y co-ordinates) may vary between LEDs within a batch
- Products must be de-rated according to the de-rating information. Each de-rating graph refers to
specific LEDs. Please refer to graphs on page 3.
- Luminous intensity is measured at 20mA on a discrete LED unless otherwise stated.
to order
to order please contact us on: t: +44 (0)1229 582 430
f: +44 (0)1229 585 155 e: sales@marl.co.uk w: www.leds.co.uk
© marl international limited technical documentation has been designed by marl international limited for the
intention of providing information, which must not be copied or released to a third party without prior
written consent from marl international limited. the information provided does not constitute part of any
order or contract and should not be regarded as a representation relating to either products or service. no
responsibility can be assumed for inaccuracies or printing errors. marl international limited reserve the right
BS EN ISO 9001:2008
to alter without notice the specification or any conditions of supply for product or service.
approved manufacturer
marl international limited - dsn 508 - version 2012-12-06-113721
page 1 of 5