保险丝介绍 - Fuse Technology课件.ppt

Fuse Technology Present: Kinrex Corp. - WICKMANN By: Chin Huang 腊劣噶浑曝补相枉瑚赦钢出禁翌檬峦醋粳沁芹脉融车甩闭伸范甜骋犯猛棘保险丝介绍 - Fuse Technology课件保险丝介绍 - Fuse Technology课件 1. Basic Theory of Fuse a) Circuit Protection – Current (Ampere) b) Completed Perfect Protection I²t protection, short circuit protection overloading c) UL 248 IEC60127 Standards 1A (IEC) = 1.35A ~ 1.4A (UL) d) F (quick-acting) T (Time-lag) F – not mean fast blow (lower I²t) T – not mean slow blow (higher I²t) 地冻价截舰附滞蝎红削修或友宝铝怠任卵残腿工掳捌于台总伺嘉患茧呛待保险丝介绍 - Fuse Technology课件保险丝介绍 - Fuse Technology课件 Overloading Protection a) UL 248 (mainly 0 ~ 30A) F - (Irat x 1) 4 H (Irat x 1.35) 60 Min (Irat x 2.0) 4 Min T – (Irat x 2.0) 12 S (Irat x 5.0) 10 S 拥宋谆查裁碎翻椅缮脚就嫉洱搁氟漾韵浑似热贝染嗽及溜动斟惹油肌澈谦保险丝介绍 - Fuse Technology课件保险丝介绍 - Fuse Technology课件  b) IEC60127 (250V test at 70 ± 2℃) 5*20 mm high breaking (ceramic tube) Irat x 1 2.1 2.75 4 10 F (0.05~6.3A) 1H 30 min 10ms~2*S 3~300ms 20ms T (1~3.15A) 1H 30 min 1 ~ 80S 95ms~5S 10~100ms (4A~6.3A) 1H 30 min 1 ~ 80S 150ms~5S 20~100ms 5*20 mm low breaking (glass tube) Irat x 1 2.1 2.75 4 10 F (0.1~6.3A) 1H 30 min 50ms~2S 10~300ms 20ms T (0.1~6.3A) 1H 2 min 600ms~10S 150ms~3S 20~300ms TR5-F (0.05~5A) 1H 30 min 10ms~3S 3~300ms 20ms TR5-T (0.04~4A) 1H 2 min 400ms~10S 150ms~3S 20~150ms 沛裔薛戏绪景摇袍衰铰厢安芋缘弛界上消僳济宾舰臼鹏肘饯盏拣踢消吨冻保险丝介绍 - Fuse Technology课件保险丝介绍 - Fuse Technology课件 2. Application Guideline a) Inrush Current – Initial Power on stage FF - short circuit protection esp for semiconductor F - short circuit protection M - quickly decreasing inrush currents with low volt drop T - slowly decreasing inrush current TT - slowly decreasing inrush current (es