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. Marl International reserve the right to alter without notice the specification or any conditions of supply

for products or service.

PART NUMBER

COLOUR

LENS

VOLTAGE CURRENT

LUMINOUS

WAVE

OPERATING

STORAGE

DC (Vdc)

DC (mA)

INTENSITY

LENGTH

TEMP

TEMP

Vopr

lopr

lv@20mA (mcd) λp (nm)

Topr

Tstg

503-501-21

Red

Colour Diffused 12

20

11000

643

-40 ~ +95^

-40 ~ +100

Yes

503-521-21

Yellow

Colour Diffused 12

20

16000

591

-40 ~ +95^

-40 ~ +100

Yes

503-532-21

Green

Colour Diffused 12

20

23000

527

-40 ~ +95^

-40 ~ +100

Yes

503-930-21

Blue

Colour Diffused 12

20

7000

470

-40 ~ +95^

-40 ~ +100

Yes

503-997-21

Cool White

Colour Diffused 12

20

14000

*see below -40 ~ +95^

-40 ~ +100

Yes

503-501-23

Red

Colour Diffused 24-28

20

11000

643

-40 ~ +95^

-40 ~ +100

Yes

503-521-23

Yellow

Colour Diffused 24-28

20

16000

591

-40 ~ +95^

-40 ~ +100

Yes

503-532-23

Green

Colour Diffused 24-28

20

23000

527

-40 ~ +95^

-40 ~ +100

Yes

503-930-23

Blue

Colour Diffused 24-28

20

7000

470

-40 ~ +95^

-40 ~ +100

Yes

503-997-23

Cool White

Colour Diffused 24-28

20

14000

*see below -40 ~ +95^

-40 ~ +100

Yes

UNITS

Vdc

mA

mcd

nm

°C

°C

Robust bright nickel plated brass housing

Raised profile styling, sunlight readable LEDs

Sealed to IP67

Suitable for high vibration applications

Internal reverse protection diode fitted as standard in all

voltage models

PROFESSIONAL LED INDICATORS Ø8.1mm Mounting

SAMPLES AVAILABLE

© MARL INTERNATIONAL LTD 2008 : DS 013/08 Issue 1

Ordering Information & Typical Technical Characteristics (Ta = 25°C)

Mean Time Between Failure = 100,000 Hours. Luminous intensity figures refer to the unmodified discrete LED.

FEATURES

SPECIFICATION

HIGH INTENSITY

503 SERIES

PACK QUANTITY = 10 PIECES

Page 1 of 3

BS EN ISO 9001:2000

Approved Manufacturer

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.

Intensities (lv) and colour shades of white (x,y co-ordinates) may vary between LEDs

within a batch.

997F-C *Typical emission colour cool white

x

0.245 0.361

0.356

0.264

y

0.229 0.385

0.351

0.220