Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
cjiang FNR4030S101MT
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- cjiang FNR4030S101MT
- Type
- CJIANG
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJIANG
- Electronic Component
- FNR4030S101MT
- Electronic Component
- 1
- Package
- SMD,4x4mm
- Type
- Magnetic Display Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.338g
- Inductor
- 100uH
- Electronic Component
- 1
- Electronic Component
- BM0232020641
- Current
- 490mA
- Resistor(DCR)
- 1.495Ω
- Electronic Component
- Electronic Component
- Electronic Component
- 2000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FNR4030S101MT 产品概述
一、产品简介
FNR4030S101MT 是长江微电（cjiang）推出的一款磁胶屏蔽功率电感，标称电感值 100 µH（±20%）。器件为表面贴装封装（SMD），尺寸约为 4×4 mm，适合空间受限的电源滤波与能量储存场合。其设计兼顾小体积与电流承载能力，适用于中低功率开关电源与电源滤波应用。
二、主要技术参数
- 电感值：100 µH，容差 ±20%
- 额定电流（Irated）：490 mA（制造商规定的连续工作参考值）
- 饱和电流（Isat）：730 mA（接近或高于此电流时电感会显著下降）
- 直流电阻（DCR）：1.495 Ω
- 类型：磁胶屏蔽电感（屏蔽结构，降低对周围电路的磁干扰）
- 封装：SMD，4×4 mm
- 品牌：cjiang（长江微电）
- 型号：FNR4030S101MT
三、性能要点与计算提示
- 在额定电流 490 mA 条件下的直流功耗约为 P = I^2·DCR ≈ 0.49^2×1.495 ≈ 0.36 W。实际损耗产生的温升取决于散热条件与PCB布局，应在样机测试中核实。
- 当工作电流接近或超过 Isat（730 mA）时，电感量会出现明显下降，可能影响滤波/储能效果；关键场合请留足电流裕量。
- 由于存在直流偏置效应，电感值会随直流电流下降，应参考厂商的电流—电感曲线进行设计验证。
四、典型应用场景
- 降压/升压/SEPIC 小功率开关电源中的储能电感或输出滤波电感
- 模拟与数字电路的电源输入滤波，减少纹波与开关噪声
- LED 驱动、便携设备电源管理、电池供电电路中的电磁兼容与能量储存
- 需要屏蔽以降低磁耦合干扰的小型封装场合
五、使用与布局建议
- 将电感尽量靠近开关器件或负载放置，减小开关节点走线长度与环路面积，以降低辐射与串扰。
- 在有高温或高功耗场合，注意器件周围的散热路径和铜箔面积，必要时增加散热铜或走线。
- 对于重载或高纹波电流应用，应选择更高额定电流或并联使用以降低电阻损耗。
- 焊接与回流：遵循厂家回流曲线与通用 SMD 焊接规范，避免超出温度极限导致磁胶或封装性能退化。
六、选型与注意事项
- 若电路最大电流或纹波接近 Isat，建议选用额定电流、饱和电流更高的型号以保证性能稳定。
- 关注频率响应与自谐振频率（SRF），高开关频率场合需确认电感在工作频段仍有足够阻抗。
- 采购与样测时，索取并参照长江微电完整数据手册、温升曲线与电流-电感曲线，以便准确评估实际表现。
总结：FNR4030S101MT 是一款面向中低功率应用的 100 µH 磁胶屏蔽电感，具有屏蔽性好、封装小巧的特点。设计时应重视直流损耗与电流偏置效应，在样机阶段通过实测验证温升与滤波效果，确保在目标应用中的可靠性与稳定性。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
