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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

EQ20/R-3F4

数量

单价

总价

5760+

¥ 4.828061

¥ 27809.63136

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购买数量

总价金额：￥ 27809.63136

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详细描述：无涂层 3F4 铁氧体磁芯EQ 型 0.787"（20.00mm）长度 0.551"（14.00mm）宽直径 0.248"（6.30mm）高

产品参数

产品属性	属性值
供应商器件封装	EQ 20
制造商	Ferroxcube
包装	散装
容差	±25%
宽度	0.551"（14.00mm）
最小磁心横截面 (Amin) mm²	55.0
有效磁体体积 (Ve) mm³	1960.0
有效磁导率 (µe)	762.0
有效长度 (le) mm	33.2
有效面积 (Ae) mm²	59.0
材料	3F4
电感因数 (Al)	1.7 µH
直径	-
磁心类型	EQ
磁芯因数 (ΣI、A) mm⁻¹	0.563
系列	-
表面	无涂层
长度	0.787"（20.00mm）
间隙	无缺口
零件状态	在售
高度	0.248"（6.30mm）

PDF描述：无涂层 3F4 铁氧体磁芯EQ 型 0.787"（20.00mm）长度 0.551"（14.00mm）宽直径 0.248"（6.30mm）高

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CONNECT:[ UseTime:0.000781s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001584s ]
INSERT INTO `visit_log` SET `ip` = '216.73.216.149' , `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_64405853.html' [ RunTime:0.041554s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001037s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.020266s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002511s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.216.149' ) [ RunTime:0.002890s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.002110s ]
SELECT * FROM `ad` WHERE `isDisplay` = 1 [ RunTime:0.009807s ]
SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002682s ]
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` = '64405853' LIMIT 1 [ RunTime:0.028433s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002809s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 64405853 [ RunTime:0.017312s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.006730s ]
SELECT * FROM `stock_price` WHERE `stockid` = 64405853 ORDER BY `minOrder` ASC [ RunTime:0.038582s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.021314s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 64405853 ORDER BY `unit` DESC [ RunTime:0.022483s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.003490s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 64405853 [ RunTime:0.010222s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.012752s ]
SELECT * FROM `stock_price` WHERE `stockid` = 64405853 ORDER BY `minOrder` ASC [ RunTime:0.013452s ]
CONNECT:[ UseTime:0.000609s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='EQ20/R-3F4' and brandshort='Ferroxcube' limit 1 [ RunTime:0.013593s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001441s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'EQ20/R-3F4' LIMIT 1 [ RunTime:0.021400s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001266s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'EQ20/R-3F4' LIMIT 1 [ RunTime:0.017348s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001653s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'EQ20/R-3F4' OR `brand` LIKE 'Ferroxcube%' ) ) LIMIT 1 [ RunTime:0.015705s ]
SELECT `id` FROM `stock` WHERE `id` <> 64405853 AND `partno` = 'EQ20/R-3F4' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%ferroxcube%' ) [ RunTime:0.017175s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 13378132 [ RunTime:0.033337s ]
SELECT `note` FROM `stock` WHERE `id` = 13378132 LIMIT 1 [ RunTime:0.024274s ]
SELECT `description` FROM `stock` WHERE `id` = 13378132 LIMIT 1 [ RunTime:0.002592s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.008688s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'EQ20/R-3F4' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.010171s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'EQ20/R-3F4' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.024014s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000496s ]

0.717823s

EQ20/R-3F4

购买数量

总价金额： ￥ 27809.63136

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详细描述：无涂层 3F4 铁氧体磁芯EQ 型 0.787"（20.00mm） 长度 0.551"（14.00mm） 宽 直径 0.248"（6.30mm） 高

产品参数

PDF描述： 无涂层 3F4 铁氧体磁芯EQ 型 0.787"（20.00mm） 长度 0.551"（14.00mm） 宽 直径 0.248"（6.30mm） 高

产品概述

类似型号

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总价金额：￥ 27809.63136

详细描述：无涂层 3F4 铁氧体磁芯EQ 型 0.787"（20.00mm）长度 0.551"（14.00mm）宽直径 0.248"（6.30mm）高

PDF描述：无涂层 3F4 铁氧体磁芯EQ 型 0.787"（20.00mm）长度 0.551"（14.00mm）宽直径 0.248"（6.30mm）高