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104-505-01_15 Datasheet, PDF (2/2 Pages) Marl International Limited – PCB MOUNTING LED
104 SERIES
PCB MOUNTING LED
HOUSING MATERIAL
Nylon66 (A82)
This material offers UL94 V-0 flame retardancy* and a high impact strength. This material has a melting point of 200-220°C and is suitable for use in the majority of
automatic soldering processes.
*Material test thickness of 1.6mm
DE-RATING GRAPHS
Red 505 or Yellow 511 LED
50
40
30
20
10
6
0
0
20 40 60 80 100
Ambient Temperature Ta (°C)
Green 514 LED
50
40
30
20
10
4.5
0
0
20 40 60 80 100
Ambient Temperature Ta (°C)
Red+Green Bi-Colour LED
50
40
30
R
20
G
10
8
0
0
20 40 60 80 100
Ambient Temperature Ta (°C)
DESIGN CONSIDERATIONS
LED Polarity
Anode identification is shown in the dimensional diagram.
The long lead of a non cropped unit can also be used to help
identify the anode. For the 2 pin bi-colour units the standard
colour configuration is red anode to the ‘+’ sign.
Reverse Polarity
This is offered on all PCB units, with the exception of the
125 series, if requested to help overcome the problem of
systems with reverse polarity connections. Multiple units can
also be supplied in reverse polarity but not with mixed
polarities. The 2 pin and 3 pin bi-colours can be supplied in
reverse colour configuration.
Bi-Colour
2 pin operation. To achieve the second colour for a 2 pin bi-
colour unit, the supply must be reversed, standard colour
configuration for these units is red anode to the ‘+’ sign.
Lead Cropping
Should lead cropping be required, Marl offer two standard
lengths, either by request or by adding one of the following
codes to the end of the part number:-
-24 = 3mm.
-26 = 5mm (e.g 104-505-01-26)
Other non standard lead lengths are available on request.
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.
Voltage, Current and Temperature
The forward voltage / current value of an LED is dependent
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.
Marl should be contacted if the device is to be operated
outside the temperature range specified. Marl accept no
liability for any product that is operated outside the stated
voltage or temperature range.
To order please contact us on +44 (0) 1229 582 430
F +44 (0) 1229 585 155 | E sales@marl.co.uk | www.leds.co.uk
marlleds
marlinternationallimited
company/marl-international-limited
Q 05480
DSN 104 Version 2015-10-19-093600. Page 2 of 2