238 series
technical data
42
7
Dimensions in mm (typical)
Not to scale
Lamp Base Style
5
Series
Metric Equivalent
(mm)
Max. Power Dissipation
(mW)
T6.8 Slide Base
997
x
y
0.4255
0.4000
238
-
899
0.4519
0.4086
x
y
625
*Typical emission colour Warm White
0.4255
0.4000
0.4390
0.4310
0.4680
0.4385
0.4519
0.4086
*Typical emission colour White
0.4390
0.4310
0.4680
0.4385
Intensities (Iv) and colour shades of white (x,y co-ordinates) may vary between leds within a batch
de-rating information
Derating Graph A
55
50
45
40
35
55
50
45
40
35
Derating Graph D
55
50
45
40
35
Derating Graph I
Forward Current IF (mA)
Forward Current IF (mA)
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
6
100.0
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
100.0
Forward Current IF (mA)
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
8.5
100.0
Ambient Temperature Ta (°C)
Ambient Temperature Ta (°C)
Ambient Temperature Ta (°C)
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 to alter without notice the specification or any conditions of supply for product or service.
BS EN ISO 9001:2008
approved manufacturer
marl international limited - dsn 238 - version 2012-12-06-113557
page 2 of 4
MARL [ MARL INTERNATIONAL LIMITED ]
