【选型】力特超小型慢熔保险丝40012000440助力欧规15W电源适配器设计，分断电流能力达130A

时间： 2023-01-05 来源：世强

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为避免欧规15W电源适配器（输出电压12V，输出电流1.25A）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：以1.5倍过流（1.5*1.25A=1.875A）防护，建议选择2A的保险丝设计；

3、通过CE认证。

针对如上的设计需求，推荐选择LITTELFUSE（力特）超小型的慢熔保险丝 40012000440，最大额定工作电压250Vac，额定工作电流2A，有通过UR、PSE、VDE、3C、IC、UKCA、CE等安规认证，工作温度范围-40℃~125℃，典型电性参数参考如下图1所示：

图1：Littelfuse（力特）延时熔断保险丝40012000440典型电性参数

推荐理由如下：

1、分断电流能力130A，具有高安全的切断故障电流能力；

2、宽工作温度范围：-40~125℃，具有出色的高低温环境下过流防护能力；

3、采用防电击外壳设计，产品具有高安全性；

4、通过UR、PSE、VDE、3C、IC、UKCA、CE等安规认证。

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型号- 0215005.MG930T1SPP,0219.050MXAP,0216008.MXR8SPP,087706.3MXSSPF18P,0215010.MXBP,0876002.MRET1P,021506.3MXF162SPP,39208000000,02153.15MXK41SPP,0215008.MXF103SPP,40014000440,40011250440,0216008.TXP,0216008.MRET1P,0215005.MXESPP,0216008.MXEP,0216010.MXB940P,0215001.MXESPP,0215010.MRET1AP,0215008.MXF13P,0215.400MRET1P,0216008.MRET1SPP,0215008.MRET1SPP,0215.125MXBP,0219.100MXAP,39211000440,0215.315MXF34P,0215010.MXK40SPP,02153.15MXF134SPP,0215008.MXB948P,0215.250MXP,0215010.MXF152SPP,0215.500MXP,021506.3MXF151SPP,0215008.MX909P,0215010.MRET5LP,0215.200MXEP,0215004.MG944T1SPP,40012000000,3921315L000,0215001.MXK20SPP,0215008.MXF160SPP,0215008.MXB949P,02153.15MXF156SPP,08773.15MXPF18P,0216008.MXGP,0215010.MXEP,021501.6MRET1SPP,0215.200MXGP,0215002.MXF134SPP,0216004.MXR6SPP,37215000001,0219.040MXAESP,07771.25MRET1RFP,077701.6MRET1P,021601.6MRET1SPP,38216300430,0215008.MXB901P,0877004.MRET1P,0215005.MXF155SPP,0216010.MXF11P,0876.630MRET1P,0215010.MXG940P,02153.15MXF155SPP,0215008.MXF159SPP,219XA,39208000440,38215000430,835,0215.400MXEP,0215.125MXEP,0216010.MXF34P,0216008.MXR9SPP,02153.15MG947T1SPP,39214000000,39211250000,0215002.MXEASPP,0215010.MXGP,4001200E000,4001200E001,0876004.MXEP,39212001000,021601.6MXR24SPP,0215.315HXP,0216008.MXESPP,0215010.MXF120SPP,39211000000,0215001.MXF163SPP,0215004.MXF160SPP,021602.5MXESPP,38216300000,0215.200HXP,02151.25MRET1SPP,38215000410,0877002.MXSSPF26P,40012000440,0219.100MXAEP,0215008.MXP,0215.400MXGP,021506.3MRET1SPP,0215.630MRET1P,0215010.MRET1SPP,0215004.MRET1SPP,0215010.MXK10P,0215.400MRGT1P,0215010.MXP,0215002.MXG933SPP,3921200K000,40008000440,0215010.MRET1P,0215.630MXP,0215.500MXGP,0215.200MXP,0215.500HXP,0215008.MXF52P,0215010.MXK15P,07771.25MXPF011P,0215010.MRET2P,0876005.MRET1P,876,877,0877004.MXSSPF18P,02153.15MG936T1SPP,021606.3MXESPP,0219.050MXAEP,02153.15MXF160SPP,0215005.MXF156SPP,0215010.MXEP-RES,37016300410,0215010.MXF103SPP,39211250440,0216010.MXEP,0215008.MXF41P,40015000000,40016300075,021502.5MXESPP,400,0216002.MRET1SPP,0215010.MXF162SPP,0215005.MXF111SPP,08773.15MXSSEP,0876.630MXEP,0219.040MXAEP,0216004.MXESPP,087706.3MXEP,0216001.MXR20SPP,0216010.MXBP,37215000511,02163.15MRET1SPP,0215008.MRET5LP,021506.3MXF160SPP,02153.15MRET1SPP,777,0215.800MRET1P,0215.400MXP,0876.250MXEP,02153.15MXESPP,0215008.MXF67P,0215010.MRET5P,0215.315MXP,0215008.MRET3SPP,37016300430,0215002.MXF120SPP,40008000000,40013150075,0216010.VXP,0215.200MRGT1P,0215005.MXF134SPP,021501.6MXESPP,0216010.MXESPP,0835008.MXF66P,0215.250TXP,0215004.MXK6SPP,0215.500MXF22P,0215010.MXF74P,37215000411,0215008.MXF20P,0215008.MXF56P,0876.250MRET1P,0877004.MXSSPF26P,0215010.MXF48LP,02153.15MRET3SPP,40014000000,0215002.MXK21SPP,0215008.MXF162SPP,39211000075,0215004.MXF134SPP,021606.3MXR8SPP,0215010.MXF51P,0215010.MXESPP,0215.630MRGT1P,021601.6MXESPP,0215010.MRG943T1P,0215008.MXG941P,021506.3MG946T1SPP,39211258000,0215010.MRGT1P,0215002.MXG935SPP,37216300001,0215008.MXBF20P,39211600440,0877004.MXSSPF15P,38216300410,0215008.MXF104SPP,0215.250MRGT1P,0216010.MRG943T5P,0215.200MRET1P,02163.15MXESPP,40012500075,0215.800TXP,07771.25MRET1P,37215000431,0215008.MXF22P,0215008.MXF34P,0215.160MXEP,021606.3MRET1SPP,215,216,021602.5MRET1SPP,0216008.MXP,0216010.MRET1SPP,0215005.MXK7SPP,0215004.MXESPP,0215010.MXF73P,0215010.MXF61P,021506.3MXESPP,0219.040MXAP,0216010.MXGP,39213150075,0215008.MXF11P,40011000075,0215008.MXF59P,0216008.MXF13P,0216010.TXP,0215010.MXF60P,0219.063MXAEP,0215.500TXP,0215008.MXK14P,40016300000,0215.250VXP,021506.3MRET1ASPP,02153.15MXF151SPP,0215008.MXK5P,0876004.MRET1P,0215.400HXP,0215008.HXP,0215.630MXGP,021502.5MXEASPP,37016300000,0215010.MXB950P,39215000000,39216300075,0215008.MRET1P,0215004.MXEASPP,02163.15MXR11SPP,0215005.MXF160SPP,0215.800MXEP,0215010.MXF8P,39211600000,0215.315MXBP,021602.5MXR23SPP,0215010.VXP,0215.800VXP,0216001.MXESPP,0215.315MRET1P,370,372,0215008.MXK7P,0215.315MXEP,0877002.MXSSLPF38P,0216010.MXR10SPP,0877002.MRT1SSEP,0216008.MXR9P,087706.3MRET1P,02153.15MXF162SPP,40013150000,0215010.MXB940P,0216010.MRET5LP,0215.500MXBP,0215.250MXBP,0215010.MXF41P,0215008.MXF71P,382,0215008.MXK8P,0215.800MXGP,021502.5MXK23SPP,02163.15MXSRESPP,08773.15MXSSPF18P,0216005.MXESPP,0215010.MXSREP,0215002.MXK22SPP,0215005.MXF159SPP,40012500440,0215.125MRGT1P,0215.500VXP,0215005.MRET1SPP,0216005.MRET1SPP,0215008.VXP,0215010.MXF46P,0215010.MXF34P,40011000000,392,39212500000,39213150000,021506.3MXF134SPP,0215008.MXK9SPP,37216300411,0215.315MXGP,40011600440,02153.15MXG947SPP,0215.800MXBP,39215000440,0215010.MXF11P,0215010.MXF35P,0215008.MXGP,0215004.MXF155SPP,0215008.MXF61P,40015000440,0215010.MXF159SPP,0215004.MXF120SPP,0215010.TXP,021506.3MXK39SPP,0215005.MXG930SPP,0215.250HXP,021502.5MAT5ASPP,0219.063MXAP,0215.125MRET1P,0215010.MXF56P,0215.500MXEP,0215010.MXF20P,0215010.MXSRF75P,0215.800HXP,021502.5MRET1SPP,0215.630HXP,0216010.HXP,0215008.MXP-RES,0876.160MRET1P,37216300431,0876002.MRETDLP,0215008.MG948T1SPP,087601.6MRET1P,021502.5MXF103SPP,0215001.MRET1SPP,021506.3MXF155SPP,40013150440,0215008.MXEP,08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型号- 40015000075,40012500075,40013150810,40011000000,40011000440,40015000810,40016300000,40016300440,40012000000,40012000440,40011600000,40011600440,40014000000,40014000440,40011250440,40011250000,40012500810,40008000075,40013150000,40013150440,40008000810,40011000810,40016300810,40005000440,40015000000,40015000440,40011000075,40016300075,40011600810,40012000075,40014000810,40011250810,40005000810,40011600075,40011250075,40014000075,40012500000,40008000000,40012500440,40008000440,40013150075,40012000810

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型号- 38213150430,38312000410,40013150810,38311600000,40011000000,40011000440,40015000810,38214000410,38211250410,38313150410,38311250000,38314000000,38312500000,40011600000,40011600440,38215000430,40014000000,40014000440,40011250440,40011250000,38315000410,40012500810,38212000430,38311000000,38311000410,38211600430,400 SERIES,38211000430,38311600410,40011000810,38213150000,38211250000,40015000000,40015000440,40011600810,38214000000,40012000075,40014000810,40011250810,400,38311250410,38212500410,38314000410,38312000000,38315000000,38211000000,38213150410,38212000410,40015000075,40012500075,38211250430,38211600000,38214000430,38215000410,38212500000,383 SERIES,40012000000,40012000440,382 SERIES,40013150000,40013150440,38211600410,38313150000,382,383,40011000075,38212500430,38312500410,38215000000,40011600075,40011250075,40014000075,40012500000,40012500440,38211000410,38212000000,40013150075,40012000810

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