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MF-RM055-240 Datasheet(PDF) 2 Page - Bourns Electronic Solutions |
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MF-RM055-240 Datasheet(HTML) 2 Page - Bourns Electronic Solutions |
2 / 5 page MF-RX Series - PTC Resettable Fuses Product Dimensions Advantages ■ Resettable feature with overtemperature and overcurrent protection can save expensive components from having to be replaced after tripping, e.g., transformers with built in thermal fuses ■ Faster than bimetallic switch designs that take on average approximately 30 seconds to cool down and reset ■ Generally lower electromagnetic interference than bimetallic switches Benefits ■ Reduced repair and replacement costs ■ Reduced nuisance tripping ■ Combined overcurrent and overtemperature protector in one device Model A B C D E Physical Characteristics Max. Max. Nom. Tol. ± Min. Max. Style Lead Dia. Material MF-RM005/240 8.3 12.9 5.1 0.7 7.6 3.8 1 0.51 Sn/Cu (0.327) (0.508) (0.201) (0.028) (0.299) (0.150) (0.020) MF-RM008/240 8.3 12.9 5.1 0.7 7.6 3.8 1 0.51 Sn/Cu (0.327) (0.508) (0.201) (0.028) (0.299) (0.150) (0.020) MF-RM012/240 8.3 12.9 5.1 0.7 7.6 3.8 1 0.51 Sn/Cu (0.327) (0.508) (0.201) (0.028) (0.299) (0.150) (0.020) MF-RM016/240 9.9 13.8 5.1 0.7 7.6 3.8 1 0.51 Sn/Cu (0.390) (0.543) (0.201) (0.028) (0.299) (0.150) (0.020) MF-RM025/240 10.0 20.0 5.1 0.7 7.6 3.8 2 0.65 Sn/Cu (0.394) (0.787) (0.201) (0.028) (0.299) (0.150) (0.026) MF-RM033/240 11.4 20.0 5.1 0.7 7.6 3.8 2 0.65 Sn/Cu (0.449) (0.787) (0.201) (0.028) (0.299) (0.150) (0.026) MF-RM040/240 11.5 20.9 5.1 0.7 7.6 3.8 2 0.65 Sn/Cu (0.453) (0.823) (0.201) (0.028) (0.299) (0.150) (0.026) MF-RM055/240 14.0 22.4 5.1 0.7 7.6 4.1 2 0.81 Sn/Cu (0.551) (0.882) (0.201) (0.028) (0.299) (0.161) (0.032) Packaging options: BULK: 500 pcs. per bag. TAPE & REEL: 2000 pcs. per reel (MF-RM005/240~MF-RM040/240); 1000 pcs. per reel (MF-RM055/240) D B E LEAD DIA. C A D B E LEAD DIA. C A Typical Part Marking Represents total content. Layout may vary. RM055 0220S MANUFACTURER'S TRADEMARK PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) COUNTRY OF MANUFACTURE (T = TAIWAN S = CHINA) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-RM Series - PTC Resettable Fuses Thermal Derating Chart - Ihold (Amps) Model Ambient Operating Temperature -20 ºC 0 ºC 23 ºC 40 ºC 50 ºC 60 ºC 70 ºC 85 ºC MF-RM005/240 0.08 0.06 0.05 0.04 0.04 0.03 0.03 0.02 MF-RM008/240 0.12 0.10 0.08 0.07 0.06 0.05 0.04 0.03 MF-RM012/240 0.18 0.15 0.12 0.10 0.09 0.07 0.06 0.04 MF-RM016/240 0.24 0.20 0.16 0.13 0.11 0.10 0.08 0.05 MF-RM025/240 0.38 0.32 0.25 0.21 0.18 0.15 0.13 0.09 MF-RM033/240 0.50 0.42 0.33 0.27 0.23 0.20 0.17 0.11 MF-RM040/240 0.61 0.51 0.40 0.33 0.28 0.24 0.20 0.14 MF-RM055/240 0.80 0.68 0.55 0.46 0.40 0.35 0.29 0.22 0.51 (24AWG) 0.65 (22AWG) 0.81 (20AWG) Style 1 Style 2 DIMENSIONS: MM (INCHES) |
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