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DLW43S Fiches technique(PDF) 69 Page - Murata Manufacturing Co., Ltd. |
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DLW43S Fiches technique(HTML) 69 Page - Murata Manufacturing Co., Ltd. |
69 / 93 page 1. Standard Land Pattern Dimensions BLM15∗1 BLM18∗2 (Except 18PG) BLM21 (Except 21PG) BLM31 (Except 31PG) Reflow Flow Reflow Flow/ Reflow Flow/ Reflow Type 0.4 0.7 1.2 2.0 a 1.2-1.4 2.2-2.6 1.8-2.0 3.0-4.0 4.2-5.2 b Soldering 0.5 0.7 1.0 1.2 c oReflow and Flow BLM Series (Except BLMppP series) BLMppP Type Land pad thickness and dimension d Rated Current (A) a Flow 2.2-2.6 Reflow 1.8-2.0 3.0-4.0 4.2-5.2 5.5-6.5 b c 18 µm 35µm 70µm Flow/ Reflow Soldering BLM15 BLM18 BLM21 BLM31 BLM41 a b Land Pattern Land Pattern + Solder Resist Solder Resist a b (in mm) • Do not apply narrower pattern than listed above to BLMppP. Narrow pattern can cause excessive heat or open circuit. ∗1 BLM15 is specially adapted for reflow soldering. Continued on the following page. BLM18PG BLM21PG BLM31PG BLM41PG 0.5-1.5 2 3 1.5 2 3 6 1.5/2 3 6 1-2 3 6 0.7 1.0 1.2 0.7 1.2 2.0 3.0 0.7 1.2 2.4 1.0 1.2 2.4 6.4 1.2 2.4 6.4 1.2 2.4 6.4 0.7 0.7 1.2 1.0 1.0 1.2 3.3 1.2 1.2 3.3 1.2 1.2 3.3 0.7 0.7 0.7 1.0 1.0 1.0 1.65 1.2 1.2 1.65 1.2 1.2 1.65 o Reflow Soldering NFM21H NFM21H • NFM21 is specially adapted for reflow soldering. Part Number Size (mm) Chip mounting side The chip EMI filter suppresses noise by conducting the high- frequency noise to ground. Therefore, to get enough noise reduction, feed through holes which are connected to ground- plane should be arranged according to the figure to reinforce the ground pattern. 0.6 1.4 d 0.8 e 1.9 f 2.3 g 0.6 a b 2.6 c Small diameter thru hole ø0.4 a b c NFE61H o Reflow Soldering o Flow Soldering (Except NFE61HT332) 2.0 4.8 8.8 Small diameter thru hole ø0.4 Chip mounting side Small diameter thru hole ø0.4 3.8 4.8 9.0 1.5 Chip mounting side ∗2 BLM18A_WH series is designed for conductive glue mounting method, not for normal soldering method. Please contact us for applicable mounting method for BLM18A_WH series. Chip EMIFILr (Soldering and Mounting) 67 4 !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 because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. C50E.pdf Aug.28,2008 |
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