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FILAMENT REPLACEMENT LEDs - BA9s
FEATURES
214 SERIES
PACK QUANTITY = 20 PIECES
**Part No. 214-501-75-50 RIA 12 Approved. Certificate No. RR-TRS-97-161 A
Direct replacement for T31/4 BA9s incandescent Durable to shock and vibration Centre contact is Anode (Centre contact Cathode is
also available)
AC Versions available
SPECIFICATIONS
Ordering Information & Typical T echnical Characteristics (T a = 25C)
Mean Time Between Failure = 100,000 Hours. PART NUMBER COLOUR Luminous intensity figures refer to the unmodified discrete LED. VOLTAGE Vopr CURRENT lopr LUMINOUS lv@20mA WAVE p OPERATING T opr STORAGE T stg
LENS
DC
DC
INTENSITY
LENGTH
TEMP
TEMP
HIGH INTENSITY
214-501-22-50 214-521-22-50 214-532-22-50 214-930-22-50 214-997-22-50 214-501-75-50 214-521-75-50 214-532-75-50 214-930-75-50 214-997-75-50 UNITS Red Yellow Green Blue Cool White Red Yellow Green Blue Cool White Water Clear Water Clear Water Clear Water Clear Water Clear Water Clear Water Clear Water Clear Water Clear Water Clear 24 24 24 24 24 110 110 110 110 110 Vdc 19 19 20 20 20 5 5 5 5 5 mA 11000 16000 23000 7000 14000 11000 16000 23000 7000 14000 mcd 624 591 527 470 * 624 591 527 470 * nm -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^ -40 ~ +95^
0
-40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100 -40 ~ +100
0
Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
C
C
Please note that this product is also available in different voltages. Contact our sales department for further details. * = Typical emission colour: cool white x=0.31, y=0.32 Intensities (iv) and colour shades of white (x,y co-ordinates) may vary between LEDs within a batch. ^ = Products must be derated when used above 45C - Refer to fig 1. Warm White LEDs may be used behind coloured lens as a true replacement for a filament lamp.
fig 1
How to Order:
website: www.marl.co.uk * email: sales@marl.co.uk * webstore: www.leds.co.uk *
T elephone +44 (0)1229 582430
Max forward DC current vs ambient temperature (Tjmax=105C)
*
Fax: +44 (0)1229 585155
relating to either products or service. for products or service.
The information contained in this datasheet does not constitute part of any order or contract and should not be regarded as a representation Marl International reserve the right to alter without notice the specification or any conditions of supply
(c) MARL INTERNATIONAL LTD 2006 : DS 060/06
Issue 1
SAMPLES AVAILABLE
Page 1 of 2
214 Series
Dimensions in mm (Typical) Scale 2 : 1
Green dot on base of product signifies reverse
polarity. Colour dot on sleeve denotes LED colour.
TECHNICAL INFORMATION
Lamp Base Style Series Metric Equivalent (mm) Voltage Range Maximum Power
Dissipation (mW) 625
Cap T31/4 Ba9s
Bayonet Automobile
214
10
110v
24v
50-130 Vdc
8 - 24 Vdc
LENS CHARACTERISTICS
Single-Chip LEDs All devices feature water clear high intensity LEDs as standard, which provides even distribution of light output and effective illumination of most lens types. Flat-topping also reduces the `hot spot' effect, which is generally undesirable. Flat-topping All single chip LED devices have been modified by the removal of the domed portion of the encapsulation (flat-topped) to provide even
illumination of switches and annunciators. Non flat-topped versions are also available, please contact the Sales Department for details.
DESIGN CONSIDERATIONS
Product Evaluation Filament Replacement LEDs have been specifically designed to meet the primary objective of providing improved reliability. As this product range is suitable for both new-build and retro-fit, (sometimes in very old systems), a wide range of illuminated push button switches and lamp holders be taken to correctly simulate operating ambient light conditions to ensure that the correct device has been selected to maximise viewing characteristics such as viewing angle, colour compatibility and on/off contrast ratio. Power derating The forward voltage/current value of an LED is dependent upon the ambient temperature of the environment in which it is operated. Therefore can be encountered. Due to subjectivity, evaluation of the LED type is recommended, (samples of all standard models are available). Care should
care must be taken to operate an LED at the correct voltage/current values, depending upon the ambient temperature. Consequently, a termed `de-rating'.
recommendation regarding operating voltages and currents is given in order to address these temperature effects. This recommendation is
It is usual for forward voltages and currents to be specified for ambient temperature of 25C. However, because the values of these quantities vary with temperature, Marl should be contacted if the device is to be operated at a temperature significantly higher than 25C. Marl accept no liability for any product that is operated higher than the stated voltage. Electro-static Discharge (ESD) Build up of electrostatic 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 and despatch. We recommend all users of LED based products follow the guidelines of BS 100015. Note: All luminous intensity figures refer to the unmodified discrete LED.
wavelength spectrum have changed this. Marl has an approved system of ESD control from goods in, through production and into final packing
How to Order:
website: www.marl.co.uk * email: sales@marl.co.uk * webstore: www.leds.co.uk *
T elephone +44 (0)1229 582430
*
Fax: +44 (0)1229 585155
relating to either products or service. for products or service.
The information contained in this datasheet does not constitute part of any order or contract and should not be regarded as a representation Marl International reserve the right to alter without notice the specification or any conditions of supply
Approved Manufacturer
BS EN ISO 9001:2000

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