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参数资料
| 型号： | 524-521-20-19 |
| 厂商： | MARL INTERNATIONAL LTD |
| 元件分类： | LED |
| 英文描述： | SINGLE COLOR LED, YELLOW, 7 mm |
| 封装： | ROHS COMPLIANT PACKAGE-2 |
| 文件页数： | 3/4页 |
| 文件大小： | 149K |
| 代理商： | 524-521-20-19 |
de-rating information
marl international limited ds: 059/ 10 issue 5
page 3 of 4
BS EN ISO 9001:2008
approved manufacturer
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.
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
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Ambient Temperature Ta (°C)
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Ambient Temperature Ta (°C)
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Derating Graph D
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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.
524 series
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 524-521-20-22 | 制造商:MARL 制造商全称:Marl International Limited 功能描述:PROFESSIONAL LED INDICATORS ?8.1mm Mounting |
| 524-521-21 | 制造商:MARL International Limited 功能描述:LED INDICATOR 12VDC YELLOW 制造商:MARL 功能描述:LED INDICATOR, 12VDC, YELLOW 制造商:MARL International Limited 功能描述:LED INDICATOR, 12VDC, YELLOW; Mounting Hole Dia:8.1mm; LED Colour:Yellow; Forward Current If:20mA; Forward Voltage:12V; Luminous Intensity:16cd; Lens Shape:Round with Flat Top; SVHC:No SVHC (19-Dec-2012); Bezel Diameter:12.7mm; Bulb ;RoHS Compliant: Yes 制造商:MARL International Limited 功能描述:INDICATOR, LED PANEL, 7MM, YELLOW, 12V; Mounting Hole Dia:8.1mm; LED Color:Yellow; Forward Current If:20mA; Forward Voltage:12V; Luminous Intensity:16cd; Lens Shape:Round with Flat Top; Bulb Size:7mm; Color:Yellow; Lens Color:Yellow ;RoHS Compliant: Yes 制造商:MARL International Limited 功能描述:8.1mm yellow LED panel indicator,12Vdc |
| 524-521-21 | 制造商:MARL International Limited 功能描述:LED INDICATOR 12VDC YELLOW |
| 524-521-21-15 | 制造商:MARL 制造商全称:Marl International Limited 功能描述:PROFESSIONAL LED INDICATORS ?8.1mm Mounting |
| 524-521-22 | 制造商:MARL International Limited 功能描述:LED INDICATOR 24VDC YELLOW 制造商:MARL 功能描述:LED INDICATOR, 24VDC, YELLOW 制造商:MARL International Limited 功能描述:INDICATOR, LED PANEL MNT, YELLOW, 24V; Mounting Hole Dia:8.1mm; LED Color:Yellow; Forward Current If:20mA; Forward Voltage:24V; Luminous Intensity:16cd; Color:Yellow; Leaded Process Compatible:Yes; Operating Temperature Max:95C ;RoHS Compliant: Yes 制造商:MARL International Limited 功能描述:LED INDICATOR, 24VDC, YELLOW; Mounting Hole Dia:8.1mm; LED Colour:Yellow; Forward Current If:20mA; Forward Voltage:24V; Luminous Intensity:16cd; SVHC:No SVHC (18-Jun-2012); Bezel Diameter:12.7mm; Bulb Size:7mm; Current If Luminous ;RoHS Compliant: Yes 制造商:MARL International Limited 功能描述:LED INDICATOR, 24VDC, YELLOW; Mounting Hole Dia:8.1mm; LED Colour:Yellow; Forward Current If:20mA; Forward Voltage:24V; Luminous Intensity:16cd; SVHC:No SVHC (19-Dec-2012); Bezel Diameter:12.7mm; Bulb Size:7mm; Current If Luminous ;RoHS Compliant: Yes 制造商:MARL International Limited 功能描述:8.1mm yellow LED panel indicator,24Vdc |
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