电感器 products

WHPBU-131308N组合电感

WHPBU-131308N本体尺寸更大，绕线与散热面积更充裕，适合每相电流更高的功率级。选型时重点核对高温档饱和电流与实际温升。

浏览 6 个料号下载技术资料

料号搜索与选型

查找WHPBU-131308N组合电感料号

选型表使用中文后台当前已发布的产品记录、选型字段和料号技术资料。

料号

每页显示

* 图片和料号列固定显示 · 横向拖动可查看全部规格

图片

规格书

对比

资料下载

样品

WHPBU-131308N组合电感产品选型结果
图片	料号	规格书	对比	资料下载	类别	初始电感 (nH)	容差（±%）	DCR(mΩ)	1-Saturation Current@25℃ (Amps)(typ)	2-Saturation Current@100℃(Amps)(typ)	加热电流（Amps）（typ）	样品
	WHPBU-131308N-R50L0	SPEC	对比 WHPBU-131308N-R50L0	PDF	WHPBU-131308N	500	15	0.32 ± 9.4%	28	23	45
	WHPBU-131308N-R44L0	SPEC	对比 WHPBU-131308N-R44L0	PDF	WHPBU-131308N	440	15	0.32 ± 9.4%	35	25	45
	WHPBU-131308N-R32L0	SPEC	对比 WHPBU-131308N-R32L0	PDF	WHPBU-131308N	320	15	0.32 ± 9.4%	50	35	45
	WHPBU-131308N-R26L0	SPEC	对比 WHPBU-131308N-R26L0	PDF	WHPBU-131308N	260	15	0.32 ± 9.4%	60	45	45
	WHPBU-131308N-R21L0	SPEC	对比 WHPBU-131308N-R21L0	PDF	WHPBU-131308N	210	15	0.32 ± 9.4%	70	55	45
	WHPBU-131308N-R11K0	SPEC	对比 WHPBU-131308N-R11K0	PDF	WHPBU-131308N	110	10	0.32 ± 9.4%	120	105	45

按类别选型

按类别选组合电感

类别代号对应不同的本体规格，实际尺寸以该料号图纸为准。

01WHPBU-100705N 系列7 个料号 02WHPBU-100710N 系列8 个料号 03WHPBU-131308N 系列6 个料号 04WHPBU-150705N 系列3 个料号

如何选型

组合电感怎么选：四步

先定相数与每相电流，再比较感值与饱和，最后核对散热。

01
确定相数与电流
给出总输出电流、相数与每相的有效值和峰值电流，作为首要筛选条件。
02
按纹波定感值
结合输入输出电压与开关频率算出每相所需感值，再对照初始电感与容差。
03
核对两档饱和
常温与高温下的饱和电流分别核对，峰值电流须留在高温档限值以内。
04
核对散热与布局
按直流电阻估算铜损，再确认焊盘、铺铜与相间布局能否满足温升要求。

关键选型参数

组合电感参数怎么看

每个筛选项先帮你排除不适用的料号，最终数值以该料号规格书为准。

01

类别

类别代号对应不同本体规格，实际尺寸与焊盘以该料号图纸为准。

02

初始电感

以纳亨为单位的低感值，须结合相数与开关频率理解，不与微亨级混比。

03

容差

影响各相之间的一致性与电流分配，多相方案应关注容差带来的偏差。

04

直流电阻

毫欧以下的取值直接决定铜损，需按实际有效值电流估算发热。

05

饱和电流

分常温与高温两档标注，选型应以高温档为准留出峰值余量。

06

加热电流

选型表中的独立列，按其定义理解，不要与饱和电流混为一谈。

类别对比

各类别组合电感对比

初始电感相近时，饱和电流与直流电阻的差别往往才是关键。

返回选型表 ↑

类别	料号数	初始电感 (nH)	容差（±%）	DCR(mΩ)	1-Saturation Current@25℃ (Amps)(typ)	2-Saturation Current@100℃(Amps)(typ)	加热电流（Amps）（typ）	操作
WHPBU-100705N	7	72, 100, 120, 150, 200, 220, 300	15	0.325±7%	19, 30, 33, 45, 65, 70, 80	12, 24, 25, 35, 50, 60, 70	31	筛选 →
WHPBU-100710N	8	100, 120, 150, 180, 220, 300, 330, 470	15, 20	0.18±10%	20, 35, 43, 60, 75, 90, 117	15, 30, 33, 50, 65, 75, 80, 100	70	筛选 →
WHPBU-131308N	6	110, 210, 260, 320, 440, 500	10, 15	0.32 ± 9.4%	28, 35, 50, 60, 70, 120	23, 25, 35, 45, 55, 105	45	筛选 →
WHPBU-150705N	3	100, 120, 150	15	0.47±7%	72, 87, 105	60, 75, 80	53	筛选 →

应用核对

按多相供电匹配组合电感

应用适配取决于具体料号，下列场景用于说明核对重点，不代表全部料号适配。

应用核对

处理器与显卡多相供电

提供相数、每相电流、开关频率与负载跳变条件，再比较感值与饱和余量。

应用核对

服务器与通信板卡功率级

核对高温档饱和电流、直流电阻与散热条件，整机温升需实测验证。

获取技术支持 →

资料下载

组合电感规格书与焊盘图

按料号查看规格书、降额曲线与推荐焊盘，并核对测试条件。

料号

以下展示有可用资料的代表料号，可通过搜索查找指定料号。

WHPBU-131308N-R50L0WHPBU-131308N

WHPBU-131308N-R44L0WHPBU-131308N

WHPBU-131308N-R32L0WHPBU-131308N

WHPBU-131308N-R26L0WHPBU-131308N

WHPBU-131308N-R21L0WHPBU-131308N

WHPBU-131308N-R11K0WHPBU-131308N

6: 已列出的 PDF 规格书
0: 已列出的 3D 文件
0: 已列出的 PCB 封装

沃虎发布的产品内容由工程团队审核。规格参数、下载资料和技术支持信息均对应具体料号，便于在申请样品或报价前核对。

品类概述

组合电感用在哪，参数怎么读

三段分别回答：它是什么、参数怎么看、什么时候需要工程核对。

咨询新项目选型；联系 FAE 评估替代。

已有明确型号？前往产品表申请样品或询价。

01

组合电感是什么、用在哪

本目录的组合电感是纳亨级低感值、百安培级大电流的功率电感，直流电阻在毫欧以下，典型用于多相降压供电的功率级。它与微亨级的通用功率电感不是同一类，选型逻辑与关注点也不同。

02

两档饱和电流与加热电流

规格表分别给出常温与高温下的饱和电流，高温档通常更低，应以它为准核对峰值余量。加热电流是选型表中的独立列，与饱和电流的定义不同，不能互相换算，也不能取其中较大的那个用。

03

什么时候需要工程核对

提高每相电流、改变相数或开关频率、更换现用料号时，需核对初始电感与容差、直流电阻、两档饱和电流与推荐焊盘。感值相近不代表可替换，提供供电架构与实测温升即可开始评估。

常见问题

组合电感常见问题

以下为选型常见问题，具体料号的工程限制以对应技术资料为准。

指南 01组合电感怎么选：四步指南 02按多相供电匹配组合电感指南 03组合电感规格书与焊盘图

什么时候需要换到这一档？

当每相峰值电流接近或超出较小本体的高温档饱和限值，或直流电阻造成的发热无法接受时。更大的本体能提供更高的电流能力，但占板面与高度更多，相间布局也更紧张，需要一并评估。

大电流下怎么控制温升？

先按每相有效值电流与直流电阻估算铜损，再结合铺铜面积、相间距离、气流与环境温度评估。必要时增加散热措施或降低每相电流。两档饱和电流中的高温档才是设计时应参照的限值。

初始电感怎么和相数配合？

先按输入输出电压、开关频率与允许纹波算出每相所需感值，再对照该料号的初始电感与容差。相数越多、频率越高，单相所需感值越小。最终应在目标板上实测纹波与各相电流分配后确认。

布局上要注意什么？

核对推荐焊盘、本体尺寸、相间距离与到功率器件的回路长度，并为大电流铺铜预留空间。较大的本体还会增加焊点应力，存在振动工况时应评估固定方式，装配前用样品完成工艺验证。

样品和报价怎么申请？

已有完整料号时，提供型号、数量、交付地区与期望发货日期即可申请样品或索取报价。仍在选型阶段可先提供供电架构与每相电流，由销售工程师协助确认候选料号后再推进样品验证。

工程师支持

完成初选后的下一步

填写候选料号和需要确认的使用条件。候选明确后可继续沟通样品支持，商务问题也可在同一次工程沟通中说明。

1候选料号
2工程审核
3样品申请
4商务沟通

替代评估需要提供

原型号与原规格书
含版本号
使用条件
温度、隔离电压、PoE 电流口径
封装约束
脚数、Pitch 与两排之间的排距
项目阶段与年用量
影响样品与评估优先级
期望结论时间
需要给出候选与差异说明的时间点

工程复核后给出候选料号与差异说明。

样品与报价需要提供

候选料号
来自选型表或工程审核结论
需求数量与项目阶段
打样 / 小批量 / 量产
期望交期
样品与批量分别说明
特殊资料要求
合规文件、材质声明或第三方报告

样品免费提供，样品数量与交期按料号和项目阶段评估，提交后由业务在工作日内回复。

已发布的替代评估 推挽式变压器选型对比：VOOHU WHST06Q02E0 与 Würth Elektronik 750316819 替换评估 2026-08-31 查看全部替代方案

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