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图片源于供应商或网络,实物可能存在差异,请以实物为准

FNR4018S1R5MT

数量

单价

总价

50+

¥ 0.350303

¥ 17.51515

500+

¥ 0.278100

¥ 139.05

1500+

¥ 0.241947

¥ 362.9205

15000+

¥ 0.197554

¥ 2963.31

30000+

¥ 0.175821

¥ 5274.63

45000+

¥ 0.165006

¥ 7425.27

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购买数量

总价金额：￥ 17.51515

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立即购买

样品申购

产品参数

产品属性	属性值
商品目录	功率电感
电感值	1.5uH
精度	±20%
额定电流	8.2A
饱和电流(Isat)	8.5A
直流电阻(DCR)	25mΩ
类型	一体成型电感

产品概述

FNR4018S1R5MT 产品概述

一、产品简介

FNR4018S1R5MT 是长江微电（cjiang）推出的一款表面贴装功率电感，额定电流3.2A，饱和电流4A，标称电感值1.5uH（±20%）。器件采用磁胶屏蔽结构，尺寸约4×4mm，适用于中小功率开关电源和电源滤波场合，兼顾高电流承载与较低电阻损耗。

二、主要电气参数

电感值：1.5 µH，公差 ±20%
额定电流（Ir）：3.2 A（连续）
饱和电流（Isat）：4 A（典型）
直流电阻（DCR）：约 39 mΩ
类型：磁胶屏蔽电感（功率电感，SMD）

三、结构与封装特点

磁胶屏蔽设计有效抑制外泄磁场，减少对邻近元件的干扰；SMD 封装便于自动化贴装，尺寸小巧（4×4mm）有利于高密度布局。线圈与磁芯采用优化工艺以兼顾饱和性能与温升控制。

四、典型应用场景

同步降压/升压转换器的储能电感
DC-DC 模块输出滤波与纹波抑制
通信设备、工控与车载电子中小功率电源
高密度电源管理板卡

五、选型与使用建议

为确保长期可靠性，建议在设计中对电感进行电流余量考虑：连续工况下尽量让实际工作电流低于额定电流（留有热余量）；避免长期接近饱和电流以免电感量下降。推荐将电感置于靠近开关管与电容的位置，减小走线环路面积；为改善散热可在封装下方增加过孔或铜箔散热路径。并配合低ESR输出电容与合理的布局布线，以获得最佳转换效率和低纹波。

六、采购与质量提示

选购时请确认型号与封装一致并索取样片及规格书（Datasheet）进行温升与电流下的测试验证。同时关注供应方的批次一致性与可靠性认证，便于在量产中保持性能稳定。

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/www/wwwroot/www.ic72.com/vendor/topthink/framework/src/think/Response.php ( 8.65 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/framework/src/think/response/Html.php ( 0.97 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/think-trace/src/Html.php ( 4.49 KB )

CONNECT:[ UseTime:0.000627s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.002106s ]
INSERT INTO `visit_log` SET `ip` = '216.73.216.195' , `useragent` = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' , `reffer` = '' , `host` = 'https://www.ic118.com/stock/detail_58020667.html' [ RunTime:0.001992s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001749s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.001874s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002374s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.216.195' ) [ RunTime:0.003716s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.001925s ]
SELECT * FROM `ad` WHERE `isDisplay` = 1 [ RunTime:0.001176s ]
SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002287s ]
SELECT `s`.*,`u`.`company`,`t`.`name` FROM `stock` `s` LEFT JOIN `user` `u` ON `u`.`id`=`s`.`userid` LEFT JOIN `product_type` `t` ON `t`.`id`=`s`.`categoryid` WHERE `s`.`id` = '58020667' LIMIT 1 [ RunTime:0.029355s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.003497s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 58020667 [ RunTime:0.001423s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.002057s ]
SELECT * FROM `stock_price` WHERE `stockid` = 58020667 ORDER BY `minOrder` ASC [ RunTime:0.007565s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.008004s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 58020667 ORDER BY `unit` DESC [ RunTime:0.007017s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.007661s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 58020667 [ RunTime:0.008623s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.031788s ]
SELECT * FROM `stock_price` WHERE `stockid` = 58020667 ORDER BY `minOrder` ASC [ RunTime:0.000294s ]
CONNECT:[ UseTime:0.000777s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='FNR4018S1R5MT' and brandshort='cjiang' limit 1 [ RunTime:0.001482s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.003409s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'FNR4018S1R5MT' LIMIT 1 [ RunTime:0.010334s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.002174s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'FNR4018S1R5MT' LIMIT 1 [ RunTime:0.001458s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002554s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'FNR4018S1R5MT' OR `brand` LIKE 'cjiang(长江微电)%' ) ) LIMIT 1 [ RunTime:0.003769s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.004286s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'FNR4018S1R5MT' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000977s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'FNR4018S1R5MT' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.007956s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000361s ]

0.356110s

FNR4018S1R5MT

购买数量

总价金额： ￥ 17.51515

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产品参数

产品概述

FNR4018S1R5MT 产品概述

一、产品简介

二、主要电气参数

三、结构与封装特点

四、典型应用场景

五、选型与使用建议

六、采购与质量提示

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总价金额：￥ 17.51515