307 series
features
• Ø4.8mm mounting
• Low profile lens styling
• Colour diffused lens, with smoked and water clear options
• Low current versions available
• Sealed to IP40
• Supplied complete with mounting hardware
• Indicator secured to panel with spring steel retaining clip
• Pack Quantity = 20 Pieces
specifications
Ordering information and typical characteristics (Ta = 25°C)
Part
Number
307-303-21
307-306-21
307-309-21
307-312-21
307-324-21
307-934-21
307-324-23
Colour
Red
Orange
Yellow
Green
Green
Blue
Green
Voltage
Vac/dc
12 Vdc
12 Vdc
12 Vdc
12 Vdc
12 Vdc
12 Vdc
24-28 Vdc
Current
DC
(mA)
20
20
20
20
20
20
20
Luminous
Intensity
(mcd)
60
43
30
90
36000
7485
36000
Wave
Length
(nm)
627
607
590
565
523
468
523
Operating
Temp.
(°C)
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-30 - +85
-30 - +85
-30 - +85
Storage
Temp.
(°C)
-40 - +85
-40 - +85
-40 - +85
-40 - +85
-40 - +100
-40 - +100
-40 - +100
De-rating
Graphs
A
A2
A2
F
R
R
R
- Please note this product is available in different voltages.
- 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.
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
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 307 - version 2012-12-06-113638
page 1 of 5
plastic panel lamps
307 series
technical data
1.7
20
9
+0.1
4.8 0
2.9
6.4
0.7
4.7
Dimensions in mm (typical)
Not to scale
Mounting Hole
housing material
Body
Panel washer
Termination pins
Retaining clip
Fresnel lens
Header
Nylon 6
Neoprene
Tin on Nickel Plated Phosphor Bronze
Spring Steel
Polycarbonate
PTFE
push on connectors
clean and burr free.
Mounting hole to be
909-000-00 is gold plated
910-000-00 is tin plated
Anode termination indicated by long tag.
Suitable for wire sizes from
0.15mm
2
to 0.38mm
2
cross
sectional area.
Dual metal contact design
provides low resistance and
gas tight electrical contact.
Dimensions in mm (typical). Not to scale.
technical characteristics
Series
307
Max. Power
Dissipation
425
Max. Reverse
Voltage
3
Panel Cutout
4.8
Min. Mounting
Centres
10.0
Max. Panel
Thickness
11.0
units
mW
Vdc
mm
mm
mm
optional flying lead terminators
Order Code
Suffix
13
13
17
17
Supply
Voltage
DC products
AC products
DC products
AC products
Wire
Colour
Red-anode/ Black-cathode
Brown-live/ Blue-neutral
Red-anode/ Black-cathode
Brown-live/ Blue-neutral
Wire
Length
150mm
150mm
1000mm
1000mm
No/Diameter
of Conductor
Diameter
Insulation
Comments
Customised
lengths
available
7/0.2
1.2
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 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 307 - version 2012-12-06-113638
page 2 of 5
307 series
optional reverse protection diode
Order Code
Suffix
Circuit
Comments
01
Available on all indicators except bi-colour
devices
de-rating information
Derating Graph A
55
50
45
40
35
55
50
45
40
35
Derating Graph A2
55
50
45
40
35
Derating Graph F
Forward Current IF (mA)
Forward Current IF (mA)
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
6
100.0
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
100.0
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)
Ambient Temperature Ta (°C)
Derating Graph R
55
50
45
40
35
Forward Current IF (mA)
30
25
20
15
10
5
0
0.0
20.0
40.0
60.0
80.0
8.5
100.0
Ambient Temperature Ta (°C)
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 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 307 - version 2012-12-06-113638
page 3 of 5
307 series
also available
Part numbers also available in the 307 series:
Part
Colour
Number
307-301-20
307-301-22-50
307-301-23
307-303-20
307-303-22
307-303-23-15
307-303-43
307-303-67
307-303-72
307-309-20
307-309-22
307-309-23
307-312-04
307-312-20
307-312-22
307-324-20
307-325-23
307-934-20
307-998-22
Red
Red
Red
Red
Red
Red
Red
Red
Red
Yellow
Yellow
Yellow
Green
Green
Green
Green
Yellow
Blue
White
Vopr
5/6 Vdc
24 Vdc
28 Vdc
5/6 Vdc
24 Vdc
28 Vdc
18 Vdc
18 Vac 50 Hz
24 Vac 50 Hz
5/6 Vdc
24 Vdc
28 Vdc
20 mA dc
5/6 Vdc
24 Vdc
5/6 Vdc
28 Vdc
5/6 Vdc
24 Vdc
Voltage
The products listed above 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.
RP = Reverse Polarity
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 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 307 - version 2012-12-06-113638
page 4 of 5
307 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, marl should
be contacted if the device is to be operated at a temperature significantly higher than 25°C. Marl accept no liability for any
product that is operated higher than the stated voltage.
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 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 307 - version 2012-12-06-113638
page 5 of 5
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