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HDBF44A8DC Datasheet(PDF) 6 Page - Shoulder Electronics Limited. |
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HDBF44A8DC Datasheet(HTML) 6 Page - Shoulder Electronics Limited. |
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6 / 8 page  SAW FILTER HDBF44A8Dc SIP5Dc www.shoulder.cn Tel:0755-82916880 Fax:0755-82916881 E-mail:info@shoulder.cn Page 6 of 8 for 96±4h. Then it shall be subjected to standard atmospheric conditions for 1h, after which measurement shall be made within 1h. Thermal shock The specimen shall be subjected to 8 continuous cycles each as shown below. Then it shall be subjected to standard atmospheric conditions for 1h, after which measurement shall be made within 1h. Temperature Duration 1 +25 ℃=>-40 ℃ 0.5h 2 -40 ℃ 4h 3 -40 ℃=>+85 ℃ 2h 4 +85 ℃ 4h 5 +85 ℃=>+25 ℃ 0.5h 6 +25 ℃ 1h Resistance to Soldering heat Reflow soldering method Peak: 255 ±5 ℃, 220 ±5 ℃, 40s At electrode temperature of the specimen. The specimen shall be passed through the reflow furnace with the condition shown in the above profile for 1 time. The specimen shall be stored at standard atmospheric conditions for 1h, after which the measurement shall be made. Test board shall be 1.6 mm thick. Base material shall be glass fabric base epoxy resin. shall be no excessive change in appearance. Solder ability Immerse the pins melt solder at 260℃+5/-0℃ for 5 sec. More then 95% of total area of the pins should be covered with solder |
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