【选型】国产延时熔断保险丝CA425A01.6助力医用呼吸机电源输入过流防护设计,分断电流能力达100A
为避免医用呼吸机电源输入因负载短路异常造成燃烧风险,一般需要在电源输入加一颗延时熔断保险丝做过流保护设计,选型因素参考如下:
1、额定工作电压:220VAC市电供电,一般选择耐压250Vac保险丝设计;
2、额定工作电流:与负载功率大小相关,一般工作电流1.1A左右,以1.5倍过流防护,建议选择1.6A的保险丝设计;
3、小体积。
针对如上设计需求,推荐选择电安科技玻璃管状保险丝CA425A01.6,尺寸5x20mm,不带引线,最大额定工作电压250Vac,额定工作电流1.6A,分断电流能力达100A,工作温度范围-50℃~125℃,通过UR认证,典型电性参数参考如下图1所示。
图1:电安科技延时熔断保险丝CA425A01.6典型电性参数
推荐理由如下:
1、分断电流能力达100A,具有高安全的切断故障电流能力;
2、小体积设计,尺寸仅5x20mm,满足小型化设计需求;
3、宽工作温度范围:-50~125℃,具有出色的高低温环境下过流防护能力。
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电安科技FUSE保险丝选型表
电安科技提供了FUSE保险丝系列产品,种类齐全。产品可用在汽车电子、工业,通讯、新能源等领域。
产品型号
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品类
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Voltage Rating(V)
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Current Rating(A)
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IR(A)
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Fast/Slow Acting
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AECQ Qualification
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Remark
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Package
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CC201A.250
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陶瓷贴片保险丝
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72VDC
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0.25A
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50A@72V
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Fast
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AEC-Q200
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/
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1206
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【产品】贴片1206封装PPTC 1206N系列自恢复保险丝,电压6V~60V,电流0.05A~2A
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有个用于新能源汽车的锂电池的化成设备项目,在高压电源模块输入端需要加一个尺寸尽量小的1000VDC的2A左右的保险丝,用来对电路进行过流、短路保护。给客户推荐了我们小尺寸高压陶瓷插件保险丝CA433A002P1V0,CA433系列是电安科技推出的6x32mm产品,其电流由0.2-45A可选,有3种安装方式,耐压500-1000V,通过UL和TUV认证,符合RoHS环保要求。
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