211 series
features
• Direct replacement for T3 ¼ Midget Edison Screw E10
• Centre contact Cathode version available
• Ideal for industrial pushbutton switches and annunciator
panels
• Durable to shock and vibration
• Warm white LEDs may be used behind coloured lens as a
true replacement for a filament lamp
• Pack Quantity = 20 Pieces
specifications
Ordering information and typical characteristics (Ta = 25°C)
Current Luminous
Wave
Length
(nm)
Operating
Temp.
(°C)
Storage
Temp.
(°C)
Part
Voltage
Vac/dc
De-rating
Graphs
Colour
DC
Intensity
(mcd)
Number
(mA)
211-501-21-38
211-521-21-38
211-532-21-38
211-930-21-38
211-997-21-38
211-993-21-38
211-501-23-38
211-521-23-38
211-532-23-38
211-930-23-38
211-997-23-38
211-993-23-38
Red
12 Vdc
12 Vdc
20
20
20
20
20
20
20
20
20
20
20
20
600
600
800
630
585
515
-40 - +80
-40 - +80
-40 - +80
-40 - +100
-40 - +100
-40 - +100
D
D
F
-
Yellow
Green
12 Vdc
12 Vdc
White
Warm White
Red
12 Vdc
785
Call
600
* See below -30 - +85
* See below -30 - +85
-40 - +100
-40 - +100
-40 - +100
B
I
12 Vdc
24 - 28 Vdc
24 - 28 Vdc
24 - 28 Vdc
24 - 28 Vdc
24 - 28 Vdc
24 - 28 Vdc
630
-40 - +80
D
-
Green
800
515
-40 - +80
-40 - +100
F
-
White
785
Call
* See below -30 - +85
* See below -30 - +85
-40 - +100
-40 - +100
B
I
Warm White
* = Voltage for 20mA product is Vf at 20mA, not Vopr
- Products must be de-rated according to the de-rating information. Each de-rating graph refers to
specific LEDs. Please refer to graphs on page 2.
- Luminous intensity is measured at 20mA on a discrete LED unless otherwise stated.
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
BS EN ISO 9001:2008
to alter without notice the specification or any conditions of supply for product or service.
approved manufacturer
marl international limited - dsn 211 - version 2012-12-06-113509
page 1 of 5
MARL [ MARL INTERNATIONAL LIMITED ]
