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W4F161-RC-10 Datasheet(PDF) 7 Page - Superworld Electronics |
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W4F161-RC-10 Datasheet(HTML) 7 Page - Superworld Electronics |
7 / 9 page SUPERWORLD ELECTRONICS (S) PTE LTD NOTE : Specifications subject to change without notice. Please check our website for latest information. PG. 7 17.06.2008 9-1. Recommended PC Board Pattern 9. SOLDERING AND MOUNTING : 1 43 2 3.70 1.90 PC board should be designed so that products are not sufficient Products shall be positioned in the sideway direction against the mechanical stress to prevent failure. under mechanical stress as warping the board. WIREWOUND TYPE COMMON MODE FILTER W4 SERIES Figure 3. Hand Soldering Gradual Cooling 230 150 Over 1min. Within 3secs. e) Use a 20 watt soldering iron with tip diameter of 1.0mm Products attachment with soldering iron is discouraged due to the inherent process control limitations. In the event that a soldering iron must be employed the following precautions are recommended. products, wave soldering of large size products is discouraged. Recommended temperature profile for wave soldering seen by the circuit when immersed in the molten solder wave, typical at 240°C. Due to the risk of thermal damage to Wave soldering is perhaps the most rigorous of surface mount soldering processes due to the steep rise in temperature Recommended temperature profiles for re-flow soldering in Figure 1. Mildly activated rosin fluxes are preferred. The minimum amount of solder can lead to damage from the stresses caused by the difference in coefficients of expansion between solder, chip and substrate. Our terminations are suitable for all wave and re-flow soldering systems. If hand soldering cannot be avoided, the preferred technique is the utilization of hot 9-2.1 Solder Re-flow : Figure 1. Re-flow Soldering Over 1min. Preheating Over 1min. (446) (302) 150 230 Gradual Cooling Within 10secs. 280 Preheating Soldering Soldering cooling Natural f) Limit soldering time to 3 secs. d) 1.0mm tip diameter (max) b) 280°C tip temperature (max) c) Never contact the ceramic with the iron tip 9-2.3 Soldering Iron (Figure 3) : a) Preheat circuit and products to 150°C. 9-2.2 Solder Wave : is shown in Figure 2. Note : air soldering tools. 9-2. Soldering Gradual Cooling Over 2mins. Within 3secs. Figure 2. Wave Soldering cooling Natural Soldering 230 150 Preheating 250 Natural cooling |
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