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.

Each product will operate over a wide voltage

input range

Bright nickel plated brass housing

Full internal potting to resist shock and vibration

Sealed to IP67

True Bi-polar product for low voltage DC

applications

Other voltages including DC options available in

this range

PROFESSIONAL LED INDICATORS Ø12.7mm Mounting

SAMPLES AVAILABLE

© MARL INTERNATIONAL LTD 2007 : DS 065/07 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

SPECIFICATIONS

531 SERIES

PACK QUANTITY = 10 PIECES

Page 1 of 2

^ = 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

PART NUMBER

COLOUR

LENS

VOLTAGE CURRENT

LUMINOUS

WAVE

OPERATING

STORAGE

AC/DC

DC (mA)

INTENSITY

LENGTH

TEMP

TEMP

Vopr

lopr

lv@20mA (mcd) λp (nm)

Topr

Tstg

531-501-63

Red

Colour Diffused 12-28

6-16

11000

643

-40 ~ +95^

-40 ~ +100

Yes

531-521-63

Yellow

Colour Diffused 12-28

6-16

16000

591

-40 ~ +95^

-40 ~ +100

Yes

531-532-63

Green

Colour Diffused 12-28

6-16

23000

527

-40 ~ +95^

-40 ~ +100

Yes

531-930-63

Blue

Colour Diffused 12-28

6-16

7000

470

-40 ~ +95^

-40 ~ +100

Yes

531-997-63

Cool White

Colour Diffused 12-28

6-16

14000

*see below -40 ~ +95^

-40 ~ +100

Yes

531-501-75

Red

Colour Diffused 110Vac

6

11000

643

-40 ~ +95^

-40 ~ +100

Yes

531-521-75

Yellow

Colour Diffused 110Vac

6

16000

591

-40 ~ +95^

-40 ~ +100

Yes

531-532-75

Green

Colour Diffused 110Vac

6

23000

527

-40 ~ +95^

-40 ~ +100

Yes

531-930-75

Blue

Colour Diffused 110Vac

6

7000

470

-40 ~ +95^

-40 ~ +100

Yes

531-997-75

Cool White

Colour Diffused 110Vac

6

14000

*see below -40 ~ +95^

-40 ~ +100

Yes

UNITS

Vac/Vdc mA

mcd

nm

°C

°C

HIGH INTENSITY