山东供应低光衰F5(4.8)mm草帽白光LED
- 供应商
- 莱芜市银辉光电科技有限公司
- 认证
- 品牌
- 国产
- 型号
- H48WC03
- 应用范围
- 照明
- 联系电话
- 15263410985
- 手机号
- 13863457389
- 联系人
- 周勇鹏
- 所在地
- 莱芜市高新区鹏泉东大街156号
专业制造,长期稳定供货,100k内有现货
特点:高亮度,高流明值(6-7lm),低光衰(1000小时光衰低于5%)
主要应用范围:led日光灯、照明灯具等
详细参数参阅以下说明书
productspecifications
type : 4.8mm hat led
part number: h48wc03
lens color:whiteclear
● features:
1.long operating life
2.instant light
3.low voltage operated
4.cool beam,safe to the touch
5.more energy efficient than incandescent and most halogenlamps
6.widely used in the lighting , industrial and electronicsproducts.
● package outline dimension:
notes:
1、 all dimensions are in millimeters;
2、 tolerances are±0.1mm,unless otherwisenoted.
● typical electrical & optical characteristics(ta=25℃)
part number:h48wc03
●typical electro-optical characteristics curves
● reliability test items and conditions:
● judgement criteria of failure for thereliability
※ iv:below 50% of the initial value
※ vf:over 20% ofthe upper limit value
※ ir:over 2 timesof the upper limit value
note:measurementshould be taken between 2 hours and after the test leds have beenreturned to
normal ambientcondition after completion of each test.
part number:h48wc03
● precautions for use:
1. temperature inuse
since the lightgenerated inside the led needs to be emitted to outside efficiently, a resin with hight light transparency is used, therefore,additives to improve the heat resistance or moistureresistance(silica gel,etc) which are used for semiconductorsproducts such as transistors cannot be added to theresin.
conse, theheat resistant ability of the resin used for led is usuallylow,therefore, please be careful of the followingpoints:
avoid applyingexternal force,stress and excessive vibration to the resins andterminals at hight temperature. the glass transition temperature ofepoxy resin ussed for the led is approximately 120-130℃. if thetemperature exceeding the limit,the coefficient of liner expansionof the resin doubles or more compared to that at normal temperatureand the resin will be softened.
and if someexternal force or stress is applied at that time, it may cause awire damage.
2.soldering
aftersoldering,avoided applying external force,stress and excessivevibration until the products down to the room temperature(the sameto termial leads).
3.designing
care must betaken to provide the current limiting resistor in the circuit so asto drive the led within the rated figures, also caution should betaken not to overload led with exorbitant voltage at the turning onand off of the circuit.
when using thepulse drive care must be taken to keep the average current withinithe rated figures, also the circuit should be designed so as besubjected to reverse voltage when turning off the led.
4.storage
in order to avoidthe absorption of moisture, it is recommended to solder led as soonas possible after unpacking the sealed bags.
5. anti-staticelectricity
as the blue,green, white and puples are sensitive to the esd, so during thehandling, soldering , testing and packing process the anti-staticmeasurements must be applied.otherwise the led will bedamaged.
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