205 MARL | Alldatasheet

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Technical content

features

Ordering information and typical characteristics (Ta = 25°C) BS EN ISO 9001:2008 approved manufacturer 205 series

  • Direct replacement for T1 ¾ Midget Groove S5.7s
  • Reverse polarity options available
  • Water clear lens
  • Centre contact Anode as standard
  • Low current versions available
  • Warm white LEDs may be used behind coloured lens as a true replacement for a filament lamp
  • Pack Quantity = 20 Pieces Part Number Colour Voltage Vac/dc Current DC (mA) Luminous Intensity (mcd) Wave Length (nm) Operating Temp. (°C) Storage Temp. (°C) De-rating Graphs 205-501-21-38 Red 12 Vdc 10 600 630 -40 - +80 -40 - +100 D 205-521-21-38 Yellow 12 Vdc 10 600 585 -40 - +80 -40 - +100 D 205-532-21-38 Green 12 Vdc 10 800 515 -40 - +80 -40 - +100 F 205-930-21-38 Blue 12 Vdc 10 140 465 -30 - +85 -40 - +100 U 205-997-21-38 White 12 Vdc 10 27000 * See below -30 - +85 -40 - +100 I 205-993-21-38 Warm White 12 Vdc 10 Call * See below -30 - +85 -40 - +100 I 205-501-23-38 Red 28 Vdc 8 600 630 -40 - +80 -40 - +100 D 205-521-23-38 Yellow 28 Vdc 8 600 585 -40 - +80 -40 - +100 D 205-532-23-38 Green 28 Vdc 8 800 515 -40 - +80 -40 - +100 F 205-930-23-38 Blue 28 Vdc 14 140 465 -30 - +85 -40 - +100 U 205-997-23-38 White 28 Vdc 8 27000 * See below -30 - +85 -40 - +100 I 205-993-23-38 Warm White 28 Vdc 8 Call * See below -30 - +85 -40 - +100 I * = 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 2. - Luminous intensity is measured at 20mA on a discrete LED unless otherwise stated. to order please contact us on: t: +44 (0)1229 582 430 © 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. marl international limited - dsn 205 - version 2012-12-06-113432 page 1 of 5

Dimensions in mm (typical) Not to scale Lamp Base Style SeriesMetric Equivalent (mm) Max. Power Dissipation (mW) Intensities (Iv) and colour shades of white (x,y co-ordinates) may vary between leds within a batch BS EN ISO 9001:2008 approved manufacturer 205 series 5.7 11.5 3.5 Green dot on base of product signifies reverse polarity. Colour dot on LED denotes LED colour. T1 ¾ Midget Groove S5.7s 205 5 500 997F-C *Typical emission colour White x 0.31 - - - y 0.32 - - - 899F *Typical emission colour Warm White x 0.4255 0.4390 0.4680 0.4519 y 0.4000 0.4310 0.4385 0.4086 Ambient Temperature Ta (°C) Forward Current IF (mA) Derating Graph D 2030 Ambient Temperature Ta (°C) Forward Current IF (mA) Derating Graph F 2030 Ambient Temperature Ta (°C) Forward Current IF (mA) Derating Graph I 2030 8.5 to order please contact us on: t: +44 (0)1229 582 430 f: +44 (0)1229 585 155 © 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. marl international limited - dsn 205 - version 2012-12-06-113432 page 2 of 5

de-rating information continued to order BS EN ISO 9001:2008 approved manufacturer 205 series Ambient Temperature Ta (°C) Forward Current IF (mA) Derating Graph U 2030 8.5 to order please contact us on: t: +44 (0)1229 582 430 f: +44 (0)1229 585 155 © 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. marl international limited - dsn 205 - version 2012-12-06-113432 page 3 of 5

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 BS EN ISO 9001:2008 approved manufacturer 205 series Part numbers also available in the 205 series: Part Number Colour Voltage Vopr 205-501-04-38 Red 20 mA dc 205-501-20-38 Red 5/6 Vdc 205-501-22-38 Red 24 Vdc 205-501-24-38 Red 48 Vdc 205-501-30-38 Red 5/6 Vdc RP 205-501-31-38 Red 12 Vdc RP 205-501-32-38 Red 24 Vdc RP 205-502-04 Red 20 mA dc 205-512-04 Green 20 mA dc 205-514-21 Green 12 Vdc 205-521-04-38 Yellow 20 mA dc 205-521-20-38 Yellow 5/6 Vdc 205-521-22-38 Yellow 24 Vdc 205-521-24-38 Yellow 48 Vdc 205-521-32-38 Yellow 24 Vdc RP 205-521-33-38 Yellow 28 Vdc RP 205-521-34-38 Yellow 48 Vdc RP 205-532-04-38 Green 20 mA dc 205-532-20-38 Green 5/6 Vdc 205-532-22-38 Green 24 Vdc 205-532-22-51 Green 24 Vdc 205-532-24-38 Green 48 Vdc 205-532-31-38 Green 12 Vdc RP 205-532-32-38 Green 24 Vdc RP 205-532-33-29 Green 28 Vdc RP 205-532-33-38 Green 28 Vdc RP 205-532-34-38 Green 48 Vdc RP 205-899-33-38 Warm White 28 Vdc RP 205-899-33-50 Warm White 28 Vdc RP 205-930-20-38 Blue 5/6 Vdc 205-930-22-38 Blue 24 Vdc 205-930-24-38 Blue 48 Vdc 205-993-00-50 Warm White 15 Vdc RP 205-993-04-38 Warm White 20 mA dc 205-993-20-38 Warm White 5/6 Vdc 205-993-22-38 Warm White 24 Vdc 205-993-24-38 Warm White 48 Vdc 205-993-32-38 Warm White 24 Vdc RP 205-993-33-38 Warm White 28 Vdc RP 205-993-42-38 Warm White 15 Vdc 205-993-46-38 Warm White 35 Vdc 205-993-53-52 Warm White 50 Vdc 205-993-53-53 Warm White 50 Vdc 205-993-53-54 Warm White 50 Vdc 205-993-53-55 Warm White 50 Vdc 205-993-73-38 Warm White 28 Vac 50 Hz 205-997-04-38 White 20 mA dc 205-997-13-38 White 20 mA dc RP 205-997-20-38 White 5/6 Vdc 205-997-22-38 White 24 Vdc 205-997-24-38 White 48 Vdc 205-997-32-38 White 24 Vdc RP Part Number Colour Voltage Vopr 205-997-34-38 White 48 Vdc RP 205-997-42-38 White 15 Vdc to order please contact us on: t: +44 (0)1229 582 430 f: +44 (0)1229 585 155 © 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. marl international limited - dsn 205 - version 2012-12-06-113432 page 4 of 5

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. 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 can be encountered. Due to subjectivity, evaluation of the LED type is recommended, (samples of all standard models are available). Care should 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. 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 design considerations All devices feature water clear high intensity LEDs as standard. In devices where discrete LEDs are used, the single Flat-topping does not apply to devices using surface-mounted device (SMD) LEDs. BS EN ISO 9001:2008 approved manufacturer 205 series to order please contact us on: t: +44 (0)1229 582 430 f: +44 (0)1229 585 155 © 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. marl international limited - dsn 205 - version 2012-12-06-113432 page 5 of 5