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PRF18BE471RB5RB Datasheet(PDF) 93 Page - Murata Manufacturing Co., Ltd. |
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PRF18BE471RB5RB Datasheet(HTML) 93 Page - Murata Manufacturing Co., Ltd. |
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93 / 104 page ![]() !Caution/Notice (3) There may be a risk of unexpected failures (tombstone, insufficient solder-wetting, etc.) in the mounting process, caused by the mounting conditions. Please make sure that this product is correctly mounted under specified mounting conditions. (2) Reflow soldering conditions The following figure and table show our recommended reflow profile. (a) Insufficient preheating may cause a crack on ceramic body. The temperature difference between preheat and peak should be control within 100°C to prevent this. (b) The excessive soldering conditions may cause dissolution of metallization or deterioration of solder-wetting on the external electrode. (c) Rapid cooling by dipping in solvent or by other means is not recommended. (d) Please evaluate it on your condition if you will do mounting using not applying condition to the above-mentioned. Continued from the preceding page. 270°C 250°C 220°C 180°C 150°C 90±30s 30 to 60s 90s Temp. (°C) Time (s) Limit Profile Standard Profile Preheat 150 to 180°C, 90±30s Soldering Time ( U220°C) 30 to 60s 90s Peak Temp. 250°C 270°C Reflow Cycle Max. 2 times Max. 2 times Standard Profile Limit Profile R90E.pdf Sep.24,2012 91 !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. |
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