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CMF-SD50 Datasheet(PDF) 2 Page - Bourns Electronic Solutions |
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CMF-SD50 Datasheet(HTML) 2 Page - Bourns Electronic Solutions |
2 / 3 page Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CMF-SD Series - Telecom CPTC Resettable Fuses CMF-SD SERIES, REV. O, 05/10 Product Dimensions (Reduced value available on request.) Packaging Options - Tape and Reel: CMF-SD10, CMF-SD25, CMF-SD35 & CMF-SD50 = 400 pcs. per reel; CMF-SD35A & CMF-SD50A = 500 pcs. per reel A B F H G E D C Dim. CMF-SD10 CMF-SD25 CMF-SD35 CMF-SD50 CMF-SD35A CMF-SD50A A 9.00 (.354) MAX. 7.15 (.281) MAX. B 10.80 (.425) MAX. 8.50 (.355) MAX. C 10.20 (.402) MAX. 8.10 (.319) MAX. D 4.88 - 5.28 (.192 - .208) 3.25 - 3.65 (.128 - .144) E 2.41 - 2.61 (.095 - .103) 2.41 - 2.61 (.095 - .103) F 0.5 (.020) MAX. 0.5 (.020) MAX. G 2.5 (.098) 2.5 (.098) H 1.0 (.039) 1.0 (.039) DIMENSIONS: MM (INCHES) COPLANARITY: 0.15 (.006) Recommended Pad Layout B 1 2 3 4 A F E D C H G 1 2 3 4 Solder Reflow Recommendations 160–220 300 250 200 150 100 50 0 10–20 120 Preheating Soldering Cooling Time (seconds) Solder reflow • Recommended reflow methods: IR, vapor phase oven, hot air oven. • Devices are not designed to be wave soldered to the bottom side of the board. • Gluing the devices is not recommended. • Recommended maximum paste thickness is 0.25 mm (.010 inch). • Devices can be cleaned using standard industry methods and solvents. Note: • If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. Rework • A device should not be reworked. Dim. CMF-SD10 CMF-SD25 CMF-SD35 CMF-SD50 CMF-SD35A CMF-SD50A A 10.0 (.394) 8.00 (.315) B 8.80 (.346) 7.05 (.278) C 3.20 (.126) 2.75 (.108) D 2.00 (.079) 2.00 (.079) E 2.60 (.102) 2.51 (.099) F 5.00 (.197) 3.45 (.136) G 7.60 (.299) 5.95 (.234) H 10.0 (.394) 8.15 (.321) DIMENSIONS: MM (INCHES) Applications Used as a secondary overcurrent protection device in: ■ Customer Premise Equipment (CPE) ■ Central Office (CO) ■ Access equipment |
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