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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

BAT43W

数量

单价

总价

20+

¥ 0.491690

¥ 9.8338

100+

¥ 0.409053

¥ 40.9053

1000+

¥ 0.327242

¥ 327.242

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购买数量

总价金额：￥ 9.8338

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样品申购

产品参数

产品属性	属性值
商品目录	肖特基二极管
二极管配置	独立式
正向压降(Vf)	450mV@15mA
直流反向耐压(Vr)	30V
整流电流	200mA
反向电流(Ir)	500nA@25V

PDF描述：SURFACE MOUNT SCHOTTKY BARRIER DIODE 表面贴装肖特基二极管

产品概述

SHIKUES BAT43W（SOD-123）肖特基二极管产品概述

一、产品简介

SHIKUES（时科）BAT43W 为独立式小信号肖特基二极管，采用 SOD-123 封装。器件以低正向压降和快速恢复特性为主要优势，适合用于低压快速整流、反向保护与电平移位等场景。工作结温范围宽（-55℃~+125℃），满足多种工业与消费电子环境要求。

二、主要电气参数

直流整流电流（Io）：200 mA
直流反向耐压（Vr）：30 V
正向压降（Vf）：0.45 V @ 15 mA
非重复峰值浪涌电流（Ifsm）：4 A
反向电流（Ir）：500 nA @ 25 V
这些参数表明该器件在中低电流、低压场合能提供较低的压降与较小的漏电，适合节能与低噪声设计。

三、热特性与可靠性要点

SOD-123 小封装热阻相对较大，设计时应考虑合理的铜箔散热与过载保护。器件允许的结温上限为 +125℃，建议在高温或长期重载工况下对整流电流进行降额使用以提高可靠性。

四、典型应用场景

电源输入反向极性保护与低压差整流
逻辑电平移位与门控保护
探测、检波电路与小信号整流
便携设备和通信设备的浪涌钳位

五、封装与工艺建议

SOD-123 封装适用于常见表面贴装回流焊流程，便于自动化贴装。建议在 PCB 布局时为器件预留足够焊盘面积及热散路径，并在靠近热源或高电流走线处加宽铜箔以降低结温。

六、选型与替代建议

若工作电流或耐压要求高于本器件规格，建议选用更大封装或更高 Vr/Io 的肖特基型号；若需要更低正向压降可选用专用低 Vf 系列。设计时应综合考虑正向压降、反向漏电与工作温度对系统功耗与可靠性的影响。

如需器件详细数据手册、封装尺寸图或样片支持，可提供进一步信息以便确认采购与开发适配。

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/www/wwwroot/www.ic72.com/vendor/topthink/think-trace/src/Html.php ( 4.49 KB )

CONNECT:[ UseTime:0.000549s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.002505s ]
INSERT INTO `visit_log` SET `ip` = '216.73.216.133' , `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_44090185.html' [ RunTime:0.009204s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001111s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.009844s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002694s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.216.133' ) [ RunTime:0.016141s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.002064s ]
SELECT * FROM `ad` WHERE `isDisplay` = 1 [ RunTime:0.033976s ]
SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002174s ]
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` = '44090185' LIMIT 1 [ RunTime:0.026333s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.003385s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 44090185 [ RunTime:0.057773s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.007962s ]
SELECT * FROM `stock_price` WHERE `stockid` = 44090185 ORDER BY `minOrder` ASC [ RunTime:0.052881s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.010040s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 44090185 ORDER BY `unit` DESC [ RunTime:0.039233s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.002803s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 44090185 [ RunTime:0.028485s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.011915s ]
SELECT * FROM `stock_price` WHERE `stockid` = 44090185 ORDER BY `minOrder` ASC [ RunTime:0.003925s ]
CONNECT:[ UseTime:0.000645s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='BAT43W' and brandshort='HY Electronic Cayman Limited' limit 1 [ RunTime:0.035483s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.002309s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'BAT43W' LIMIT 1 [ RunTime:0.025078s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001203s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'BAT43W' LIMIT 1 [ RunTime:0.013040s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002179s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'BAT43W' OR `brand` LIKE 'HY Electronic (Cayman) Limited%' ) ) LIMIT 1 [ RunTime:0.009463s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.018373s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'BAT43W' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.006056s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'BAT43W' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.035754s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.009784s ]

0.675321s

BAT43W

购买数量

总价金额： ￥ 9.8338

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产品参数

PDF描述：SURFACE MOUNT SCHOTTKY BARRIER DIODE 表面贴装肖特基二极管

产品概述

SHIKUES BAT43W（SOD-123）肖特基二极管产品概述

一、产品简介

二、主要电气参数

三、热特性与可靠性要点

四、典型应用场景

五、封装与工艺建议

六、选型与替代建议

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总价金额：￥ 9.8338