651 RS series
features
• Ø12.7mm mounting
• Black anodised aluminium housing
• Colour diffused lens with a wide viewing angle
• Sealed to IP67
• Suitable for high vibration applications
• Internal reverse protection diode fitted as standard in all voltage models
• -08 Denotes lamp test facility
• Pack Quantity = 10 Pieces
specifications
Typical characteristics (Ta = 25°C)
RS Part
Number
2498443
2498493
2498544
2498588
3107148
2498623
2498667
3107249
2498465
2498500
2498550
2498594
3107154
2498639
3107205
2498689
3107255
2498487
2498538
2498572
2498617
3107182
2498651
2498702
2498522
2498522
2498566
2498601
3107160
2498645
3107211
2498695
3107261
Marl Part
Number
651-102-04
651-102-20
651-102-21
651-102-22
651-102-22-08
651-102-75
651-102-76
651-102-76-08
651-105-04
651-105-20
651-105-21
651-105-22
651-105-22-08
651-105-75
651-105-75-08
651-105-76
651-105-76-08
651-111-04
651-111-20
651-111-21
651-111-22
651-111-22-08
651-111-75
651-111-76
651-114-20
651-114-20
651-114-21
651-114-22
651-114-22-08
651-114-75
651-114-75-08
651-114-76
651-114-76-08
Colour
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Green
Green
Green
Green
Green
Green
Green
Green
Green
Voltage
Vac/dc
1.85 Vdc
5-6 Vdc
12 Vdc
24 Vdc
24 Vdc
110 Vac
230 Vac
230 Vac
2 Vdc
5-6 Vdc
12 Vdc
24 Vdc
24 Vdc
110 Vac
11 Vac
230 Vac
230 Vac
2.1 Vdc
5-6 Vdc
12 Vdc
24 Vdc
24 Vdc
110 Vac
230 Vac
2.2 Vdc
5-6 Vdc
12 Vdc
24 Vdc
24 Vdc
110 Vac
110 Vac
230 Vac
230 Vac
Current
DC
(mA)
20
18
20
19
19
9
4
4
20
18
20
19
19
9
9
4
4
20
18
20
19
19
9
4
20
18
20
19
19
9
9
4
4
Luminous
Intensity
(mcd)
500
500
500
500
500
500
500
500
95
95
95
95
95
95
95
95
95
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
45
Wave
Length
(nm)
660
660
660
660
660
660
660
660
625
625
625
625
625
625
625
625
625
590
590
590
590
590
590
590
565
565
565
565
565
565
565
565
565
Operating
Temp.
(°C)
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
Storage
Temp.
(°C)
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +85
De-rating
Graphs
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
C
C
C
C
C
C
C
C
C
^ = 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 3.
- Luminous intensity is measured at 20mA on a discrete LED unless otherwise stated.
© 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.
BS EN ISO 9001:2008
approved manufacturer
marl international limited - dsn 651 RS - version 2014-02-20-173459
page 1 of 4
651 RS series
technical data
Header
17
10
2.8
Mounting Hole
Dimensions in mm (typical)
Not to scale
Anode termination denoted by red indicator
Mounting hole to be clean and burr free
housing material
Body
Nut
Panel Seal
Fresnel Lens
Encapsulation
Lock Washer
Termination
Header
Black Anodised Aluminium
Bright Nickel Plated Brass
Viton
Epoxy
PC5430 Resin
Spring Steel
-
-
push on connectors
To ensure compliance with the
Electrical Equipment (Safety)
Regulations 1994 (S.I.1994/3260) we
recomend making connection to this
device using insulated push-on 110
terminals (0.5mm thick). Marl P/N:
CONNECTOR3.2MMFEMALE. The
diagram (right) shows how these fit on
without straining the connections.
technical characteristics
Series
651
Max. Power
Dissipation
1000
Max. Reverse
Voltage
3*/1000^
Panel Cutout
12.7
Nut Mounting
Torque
1.0
Min. Mounting
Centres
19.5
+0.1
11.3 0
Max. Panel
Thickness
1.5 - 8.0
11.5
21
6
+0.1
12.7 0
units
mW
Vdc
mm
Nm
mm
mm
* = Current Version
^ = Voltage Version
optional flying lead terminations
Order Code
Suffix
19
Supply
Voltage
DC products
Wire
Colour
Red-anode/ Black-cathode
Wire
Length
1000mm
No/Diameter
of Conductor
19/0.15mm
Diameter
Insulation
1.2mm
Comments
Customised
lengths
available
© 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.
BS EN ISO 9001:2008
approved manufacturer
marl international limited - dsn 651 RS - version 2014-02-20-173459
page 2 of 4
651 RS series
de-rating information
Derating Graph B
55
50
45
40
35
55
50
45
40
35
Derating Graph C
Forward Current IF (mA)
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
100.0
8
Forward Current IF (mA)
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
100.0
Ambient Temperature Ta (°C)
Ambient Temperature Ta (°C)
also available
Part numbers also available in the 651 series:
Part
Colour
Number
651-102-22-07
651-102-23
651-102-24
651-105-22-15
651-105-23
651-105-23-15
651-105-24
651-105-75-07
651-111-23
651-111-48
651-114-04
651-114-23
651-114-75-15
651-135-22
Red
Red
Red
Red
Red
Red
Red
Red
Yellow
Yellow
Green
Green
Green
Red/Green
Vopr
24 Vdc
28 Vdc
48 Vdc
24 Vdc
28 Vdc
28 Vdc
48 Vdc
110 Vac 50 Hz
28 Vdc
60 Vdc
20 mA dc
28 Vdc
110 Vac 50 Hz
24 Vdc
Voltage
The products listed here illustrate all of
the options available to order. These
products may have custom modifications
that alter their operation beyond the
generic information contained within this
datasheet. Please contact sales for
further information.
* = These products do not contain
integral resistors
© 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.
BS EN ISO 9001:2008
approved manufacturer
marl international limited - dsn 651 RS - version 2014-02-20-173459
page 3 of 4
651 RS series
design considerations
Electro-Static Discharge (ESD)
Build up of electro-static discharge occurs in many situations involving people moving and handling products. The range of
possible situations is very diverse but voltage levels as high as several thousand volts can and do arise in many individual
situations. When an operator charged up to these levels handles a static sensitive device, there is a very probable likelihood
that the device will be irreversibly damaged. It is essential that precautions are taken at all stages during manufacture and
assembly of these products. Although LEDs were never considered to be static sensitive devices, changes in manufacturing
technology and materials used to produce higher intensity products over a large range of the wavelength spectrum have
changed this. Marl has an approved system of ESD control from goods in, through production and into final packing and
despatch. Marl recommend all users of LED based products follow the guidelines of BS 100015.
Power De-Rating
The forward voltage/ current value of an LED is dependant upon the ambient temperature of the environment in which it is
operated. Therefore, care must be taken to operate the LED at the correct voltage/ current values, depending upon the
ambient temperature. Consequently, a recommendation regarding operating voltages and currents is given in order to address
these temperature effects. This recommendation is termed ‘de-rating’. It is usual for forward voltages and currents to be
specified for ambient temperature of 25°C. However, because the values of these qualities vary with temperature, please refer
to the de-rating graphs for correct operation. Marl accept no liability for any product that is operated higher than the stated
voltage.
© 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.
BS EN ISO 9001:2008
approved manufacturer
marl international limited - dsn 651 RS - version 2014-02-20-173459
page 4 of 4
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