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GRM0332C2A6R9DA01 датащи(PDF) 76 Page - Murata Manufacturing Co., Ltd |
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GRM0332C2A6R9DA01 датащи(HTML) 76 Page - Murata Manufacturing Co., Ltd |
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76 / 89 page ![]() C02E.pdf Nov.27,2017 ! Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 277 ! Caution 3-2. A soldering iron with a tip of ø3mm or smaller should be used. It is also necessary to keep the soldering iron from touching the components during the re-work. 3-3. Solder wire with ø0.5mm or smaller is required for soldering. <Applicable to KR3/KRM Series> 4. For the shape of the soldering iron tip, refer to the figure on the right. Regarding the type of solder, use a wire diameter of ø0.5mm or less (rosin core wire solder). 4-1. How to Apply the Soldering Iron Apply the tip of the soldering iron against the lower end of the metal terminal. 1) In order to prevent cracking caused by sudden heating of the ceramic device, do not touch the ceramic base directly. 2) In order to prevent deviations and dislocating of the chip, do not touch the junction of the chip and the metal terminal, and the metal portion on the outside directly. 4-2. Appropriate Amount of Solder The amount of solder for corrections by soldering iron, should be lower than the height of the lower side of the chip. Cross Section 17 26 (in mm) R0.5 Apply the tip of the soldering iron only on the terminal portion, without touching the body of the chip. Tip of Soldering Iron Tip temperature: 350°C or less/ 5 sec. or less/60W or less Copper Land Wire Solder 6. Electrical Test on Printed Circuit Board 1. Confirm position of the support pin or specific jig, when inspecting the electrical performance of a capacitor aer mounting on the printed circuit board. 1-1. Avoid bending the printed circuit board by the pressure of a test-probe, etc. The thrusting force of the test probe can flex the PCB, resulting in cracked chips or open solder joints. Provide support pins on the back side of the PCB to prevent warping or flexing. Install support pins as close to the test-probe as possible. 1-2. Avoid vibration of the board by shock when a test-probe contacts a printed circuit board. 7. Printed Circuit Board Cropping 1. Aer mounting a capacitor on a printed circuit board, do not apply any stress to the capacitor that causes bending or twisting the board. 1-1. In cropping the board, the stress as shown at right may cause the capacitor to crack. Cracked capacitors may cause deterioration of the insulation resistance, and result in a short. Avoid this type of stress to a capacitor. [Not Recommended] [Recommended] Peeling Test-probe Support Pin Test-probe [Bending] [Twisting] 5. Washing Excessive ultrasonic oscillation during cleaning can cause the PCBs to resonate, resulting in cracked chips or broken solder joints. Before starting your production process, test your cleaning equipment/process to insure it does not degrade the capacitors. Continued from the preceding page. Continued on the following page. |
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