Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
Sumida(胜美达)CDRH3D28NP-100NC是一款中小功率贴片功率电感,专为低至中功率的开关电源、驱动电路设计,核心定位是“高性价比、小体积、稳定可靠”,适配消费电子、小型家电、车载辅助电路等场景。
典型应用包括:
这些场景对电感的电流需求多在1A左右,与该产品的额定电流、饱和电流参数高度匹配。
该产品的核心参数围绕“功率承载能力、电感精度、功耗控制”三个维度设计,具体解析如下:
电感值为10μH ±30%——功率电感的精度要求远低于信号电感(如射频电感通常±5%),±30%的偏差在电源设计中可通过环路补偿(如调整反馈电阻、电容)快速适配,不影响电源稳定性。
DCR是电感绕组的直流电阻,直接影响功耗(功耗=I²×DCR)。以额定电流1.18A计算,功耗约为1.18²×0.145≈0.2W,属于低功耗范畴,无需额外散热设计,适配小体积PCB。
该产品采用贴片式封装,根据Sumida CDRH系列命名规则(3D28),实际尺寸约为3.2mm×2.8mm×2.0mm(长×宽×高),属于小尺寸封装,适配高密度PCB布局(如手机主板、智能穿戴设备)。
其他物理特性:
Sumida作为日本老牌电感制造商,在功率电感领域拥有超过50年的技术积累,该产品的可靠性源于三大优势:
该产品凭借小体积、低功耗、高可靠性的特点,成为中小功率电源设计的优选电感之一,适配多场景的紧凑化、轻量化需求。
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Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
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.
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