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

502-501-21

Red

Water Clear

12

20

11000

643

-40 ~ +95^ -40 ~ +100 Yes

502-521-21

Yellow

Water Clear

12

20

16000

591

-40 ~ +95^ -40 ~ +100 Yes

502-532-21

Green

Water Clear

12

20

23000

527

-40 ~ +95^ -40 ~ +100 Yes

502-930-21

Blue

Water Clear

12

20

7000

470

-40 ~ +95^ -40 ~ +100 Yes

502-997-21

Cool White

Water Clear

12

20

14000

*see below -40 ~ +95^ -40 ~ +100 Yes

502-501-23

Red

Water Clear

24-28

20

11000

643

-40 ~ +95^ -40 ~ +100 Yes

502-521-23

Yellow

Water Clear

24-28

20

16000

591

-40 ~ +95^ -40 ~ +100 Yes

502-532-23

Green

Water Clear

24-28

20

23000

527

-40 ~ +95^ -40 ~ +100 Yes

502-930-23

Blue

Water Clear

24-28

20

7000

470

-40 ~ +95^ -40 ~ +100 Yes

502-997-23

Cool White

Water Clear

24-28

20

14000

*see below -40 ~ +95^ -40 ~ +100 Yes

UNITS

Vdc

mA

mcd

nm

°C

°C

Nickel plated brass housing

Sealed to IP67

Water clear lens for good on/off contrast ratio

Internally potted for use in high vibration applications

Internal reverse protection diode fitted as standard in all

voltage models.

Wide viewing angle

PROFESSIONAL LED INDICATORS Ø 8.1mm Mounting

SAMPLES AVAILABLE

© MARL INTERNATIONAL LTD 2008 : DS 014/08 Issue 2

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

502 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