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CL-L400-MC1L1-A-T Datasheet(PDF) 9 Page - CITIZEN ELECTRONICS CO., LTD. |
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CL-L400-MC1L1-A-T Datasheet(HTML) 9 Page - CITIZEN ELECTRONICS CO., LTD. |
9 / 12 page 9/12 9. Precautions 9-1 Handling precaution (1). Avoid the application of any stress to the encupsulant. (2). Avoid any contact by a sharp metal nail or other materials with the encupsulant. (3).Pick and Place Recommend condition : nozzle inner radius ≧φ4.4mm Avoid direct contact to the encapsulant with the nozzle. (4). PCB handling Bending the circuit board with soldered LEDs may cause breakage of LEDs. Please take care to bow, twist, and warpage the PCB. 9-2. Lighting at a low current A minimum current value of lighting of all dice is 30mA. When a minimal current is applied, LED dice may look different in their brightness due to the individual difference of the LED element, and it is not a failed product. 9-3. Handling of static electricity - These products are sensitive to static electricity charge. Please take measures to prevent any static electricity being produced such as the wearing of a wristband or anti-static gloves when handling this product. - All devices, equipment and machinery must be properly grounded. It is recommended that precautions be taken against surge voltage to the equipment that mounts the LEDs. - When inspecting the final products in which LEDs were assembled, it is recommended to check whether the assembled LEDs are damaged by static electricity or not. - It is easy to find static-damaged LEDs by a light-on test. <Light-on test criterion> Symbol CITILED Name No-lighting die in package is unacceptable IF=6mA/PKG Condition Judgmental criterion DATA SHEET CL-L400-MC1L1-A CITIZEN ELECTRONICS CO., LTD. JAPAN encupsulant (Hatching area) NG Bad ex : narrow nozzle encupsulant (Hatching area) Cathode mark NG Bad ex : narrow nozzle ex : pick up area φ =4.4mm ex : pick up area Ref.CE-P1158 05/11 |
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