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Description |
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The 494 Series Fast-Acting SMF is an ultra small (0603 |
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size) thin-film device designed for secondary protection |
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of circuits used in space constrained applications such |
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as hand-held portable electronic devices. This series is |
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100% lead-free and meets the requirements of the RoHS |
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directive. New Halide-Free 494 Series fuses are available |
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to order using the “HF” suffix. See Part Numbering section |
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for additional information. |
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Features |
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• Compatible with leadfree solders and higher temperature
profiles |
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• High performance materials provide improved performance in
elevated ambient temperature applications |
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• Marked on top surface with code to allow ampere |
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rating identification without testing |
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• Low profile for height sensitive applications |
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• Flat top surface for pickand-place operations |
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• Element-covering material is resistant to |
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industry standard cleaning operations |
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• Mounting pad and electrical performance are identical to
Littelfuse 431 and 434 Series products |
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• Alloy-based element construction provides superior inrush
withstand characteristics (I2t) over ceramic or glass-based 0603 fuse
products |
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Applications |
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Secondary protection for space constrained applications: |
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• Cell phones |
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• Battery packs |
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• Digital cameras |
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• DVD players |
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• Hard disk drives |
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설명 |
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494 시리즈고속작동 SMF는초소형(0603) |
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크기) 이차보호를위해설계된박막장치 |
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공간제약적용도에사용되는회로의종류: |
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휴대용전자기기로서이시리즈는 |
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100% 리드프리(lead-free) 및 RoHS 요구사항충족 |
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지시의새로운 Halide-Free 494 시리즈퓨즈이용가능 |
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HF 접미사를사용하여주문하십시오. 부품번호지정섹션참조 |
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추가정보를위해 |
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특징 |
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• 납이없는솔더및고온프로필과호환가능 |
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• 높은성능의재료를사용하여높은외부온도에서향상된성능제공 |
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• 상단표면에암페어허용코드로표시테스트없이등급식별 |
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• 높이에민감한애플리케이션을위한로우프로파일 |
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• 피클및플레이스작업을위한평평한상단표면 |
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• 요소커버재료에내성이있음업계표준청소작업 |
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• 마운팅패드및전기적성능은 Littelfuse 431 및 434 Series 제품과동일 |
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• 세라믹또는유리기반 0603 퓨즈제품보다뛰어난인러시내구성(I2t)을제공하는합금기반요소구조 |
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적용들 |
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공간제약이있는응용프로그램에대한 2차보호: |
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• 휴대폰 |
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• 배터리팩 |
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• 디지털카메라 |
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• DVD 플레이어 |
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• 하드디스크드라이브 |
