WMSIC Electronic Components

BOURNS SRN6045-100M

ModelSRN6045-100M
PackageSMD,6x6mm
BrandBOURNS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BOURNS SRN6045-100M
Type
BOURNS
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
SRN6045-100M
Electronic Component
1
Package
SMD,6x6mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.852g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0264532934
Current
2.5A
Resistor(DCR)
58.6mΩ
Electronic Component
Electronic Component
Electronic Component
1000
and Current(Isat)
3A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SRN6045-100M 绕线电感器产品概述

一、产品定位与品牌背景

SRN6045-100M是美国被动元件龙头厂商BOURNS推出的一款SMD半屏蔽绕线电感器,主打中功率电源电路的储能、滤波与EMI抑制需求。BOURNS在电感领域拥有50余年设计制造经验,其产品以参数稳定性、可靠性著称,广泛覆盖消费电子、工业控制、车载等领域。这款电感属于BOURNS SRN系列的紧凑封装型号,针对小型化设备的电源模块优化,兼顾性能与成本。

二、核心电气参数解析

参数是电感选型的核心依据,需结合应用场景理解其实际意义:

2.1 电感值与精度

  • 标称电感值:10μH,精度±20%(实际范围8μH~12μH)。该精度满足多数电源电路的滤波需求,无需额外高精度校准,降低系统成本。

2.2 电流能力(额定与饱和)

  • 额定电流(Irms):2.5A:指电感持续工作时,电感值变化不超过±10%(行业常规标准)的最大电流。若超过该值,电感发热加剧,参数漂移可能导致电路稳定性下降。
  • 饱和电流(Isat):3A:指电感值下降30%时的峰值电流。该参数是应对瞬间冲击电流(如电源开机、负载突变)的关键参考——若峰值电流未超3A,电感仍能维持基本储能功能,避免电路故障。

2.3 直流电阻(DCR)

  • 最大DCR:58.6mΩ。DCR是电感绕线的直流损耗核心,直接影响电源效率。以2.5A额定电流计算,损耗约为(I^2R = 2.5^2 \times 0.0586 \approx 0.366W),热量低,适合长时间连续工作场景。

2.4 封装与屏蔽结构

  • 封装:SMD贴片式,尺寸6×6mm(长×宽),适配自动化贴装,节省PCB空间(尤其适合便携设备、车载狭小空间)。
  • 屏蔽:半屏蔽绕线。比全屏蔽电感成本低30%左右,同时能抑制50%以上的线圈辐射干扰(BOURNS测试数据),比非屏蔽电感更适合对EMI敏感的电路(如射频模块周边)。

三、典型应用场景

结合参数特性,SRN6045-100M的核心应用集中在中功率DC-DC转换与滤波电路:

  1. 消费电子电源:笔记本适配器、机顶盒、路由器的降压/升压转换器,需10μH级电感储能,同时控制EMI干扰。
  2. 车载低功耗设备:车载显示屏、行车记录仪的电源电路,耐受汽车环境温度(-40℃~+85℃),紧凑封装适配车内空间。
  3. 工业小型控制器:PLC辅助电源、传感器模块滤波电路,稳定参数应对工业级环境。
  4. LED驱动电源:小功率LED照明恒流驱动,10μH电感配合开关管实现高效能量转换。

四、产品优势与选型价值

相比同规格竞品,SRN6045-100M的差异化优势:

  • EMI与成本平衡:半屏蔽结构既避免全屏蔽的高成本,又比非屏蔽电感减少干扰,适合对EMI要求中等的场景。
  • 电流裕量充足:饱和电流比额定电流高20%,应对瞬间峰值电流更安全,降低电路保护设计复杂度。
  • 低损耗提效率:58.6mΩ的DCR在同封装中偏低,提升电源转换效率1%~2%(长期工作设备节能明显)。
  • 可靠性验证:通过BOURNS常规环境测试(温度循环、湿度老化),适合多场景应用。

五、使用注意事项

  1. 电流限制:持续工作电流≤2.5A,峰值电流≤3A,否则电感饱和导致输出波动、效率下降。
  2. 焊接工艺:无铅回流焊需遵循BOURNS曲线(峰值260℃±5℃,回流时间≤10秒),避免高温损坏线圈/磁芯。
  3. 环境适配:避免>85℃高温、高湿或腐蚀性气体环境,否则加速磁芯老化、DCR上升。

这款电感凭借紧凑封装、合理电流能力与低损耗,成为中功率电源电路的高性价比选型,尤其适合对空间、成本敏感的小型化设备。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

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.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.