technical data

to order

de-rating information

Dimensions in mm (typical)

Not to scale

Lamp Base Style

Series

Metric Equivalent

(mm)

Max. Power Dissipation

(mW)

Intensities (Iv) and colour shades of white (x,y co-ordinates) may vary between leds within a batch

BS EN ISO 9001:2008

approved manufacturer

255 series

20.50

5.50

Colour dot on product denotes LED colour.

T3 ¼ BA9s Incandescent

255

10

625

997F

*Typical emission colour White

x

0.4255

0.4390

0.4680

0.4519

y

0.4000

0.4310

0.4385

0.4086

899F

*Typical emission colour Warm White

x

0.4255

0.4390

0.4680

0.4519

y

0.4000

0.4310

0.4385

0.4086

0.0

100.0

80.0

60.0

40.0

20.0

55

5

0

15

25

35

45

Ambient Temperature Ta (°C)

Derating Graph B

10

20

30

40

50

8

0.0

100.0

80.0

60.0

40.0

20.0

55

5

0

15

25

35

45

Ambient Temperature Ta (°C)

Derating Graph D

10

20

30

40

50

0.0

100.0

80.0

60.0

40.0

20.0

55

5

0

15

25

35

45

Ambient Temperature Ta (°C)

Derating Graph F

10

20

30

40

50

© 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.

marl international limited - dsn 255 - version 2012-12-06-113620

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