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MIG20J501L Datasheet(PDF) 19 Page - Toshiba Semiconductor |
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MIG20J501L Datasheet(HTML) 19 Page - Toshiba Semiconductor |
19 / 20 page ![]() MIG20J501L 2001-05-07 19 Precautions on Electrostatic Electricity (1) Operators must wear anti-static clothing and conductive shoes (or a leg or heel strap). (2) Operators must wear a wrist strap grounded to earth via a resistor of about 1 MW. (3) Soldering irons must be grounded from iron tip to earth, and must be used only at low voltages. (4) If the tweezers you use are likely to touch the device terminals, use anti-static tweezers and in particular avoid metallic tweezers. If a charged device touches a low-resistance tool, rapid discharge can occur. When using vacuum tweezers, attach a conductive chucking pat to the tip, and connect it to a dedicated ground used especially for anti-static purposes (suggested resistance value: 104 to 108 W). (5) Do not place devices or their containers near sources of strong electrical fields (such as above a CRT). (6) When storing printed circuit boards which have devices mounted on them, use a board container or bag that is protected against static charge. To avoid the occurrence of static charge or discharge due to friction, keep the boards separate from one other and do not stack them directly on top of one another. (7) Ensure, if possible, that any articles (such as clipboards) which are brought to any location where the level of static electricity must be closely controlled are constructed of anti-static materials. (8) In cases where the human body comes into direct contact with a device, be sure to wear anti-static finger covers or gloves (suggested resistance value: 108 W or less). (9) Equipment safety covers installed near devices should have resistance ratings of 109 W or less. (10) If a wrist strap cannot be used for some reason, and there is a possibility of imparting friction to devices, use an ionizer. |
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