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LFH1036 Fiches technique(PDF) 9 Page - LUXPIA |
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LFH1036 Fiches technique(HTML) 9 Page - LUXPIA |
9 / 16 page 8/15 8.2. criteria for judging the damage criteria for judgement item symbol test condition min max forward voltage VF Each IF = 20mA - U.S.L.4) × 1.1 luminous intensity IV Each IF = 20mA L.S.L.5) × 0.5 - 4) U.S.L. : upper standard level 5) L.S.L. : lower standard level 9. Cautions White LEDs are devices which are materialized by combining Blue LEDs and special phosphors. Consequently, the color of White LEDs is subject to change a little by an operating current. Care should be taken after due consideration when using LEDs. (1) Moisture-Proof Package • When moisture is absorbed into the SMT package it may vaporize and expand products during soldering. There is a possibility that this may cause exfoliation of the contacts and damage to the optical characteristics of the LEDs. For this reason, the moisture-proof package is used to keep moisture to a minimum in the package. • A package of a moisture-absorbent material (silica gel) is inserted into the shielding bag. The silica gel changes its color from blue to pink as it absorbs moisture. (2) Storage • Storage Conditions - Before opening the package : The LEDs should be kept at 30 or less and 90%RH or less. ℃ The LEDs should be used within a year. When storing the LEDs, moisture-proof packaging with moisture-absorbent material (silica gel) is recommended. - After opening the package : The LEDs should be kept at 30 or less and 70%RH or less. ℃ The LEDs should be soldered within 168 hours (7 days) after opening the package. If unused LEDs remain, they should be stored in moisture-proof packages, such as sealed containers with packages of moisture-absorbent material (silica gel). It is also recommended to return the LEDs to the original moisture-proof bag and to reseal the moisture-proof bag again. • If the moisture-absorbent material (silica gel) has faded away or the LEDs have exceeded the rocommended storage time, baking treatment should be performed using the following conditions. - Baking treatment : more than 24 hours at 65±5℃ |
Numéro de pièce similaire - LFH1036 |
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Description similaire - LFH1036 |
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