WMSIC Electronic Components

TA-I CF04V3T4R0

ModelCF04V3T4R0
Package0402
BrandElectronic Component
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CF04V3T4R0
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
CF04V3T4R0
Electronic Component
1
Electronic Component
0.5mm
Package
0402
Type
SMD Fuse
Electronic Component
Non-Resettable Fuse
Electronic Component
0.009g
Electronic Component
1mm
Electronic Component
0.35mm
I2t
0.0896
Electronic Component
1
Electronic Component
35A
Electronic Component
BM0265427474
Operating Temperature
20℃~+105℃

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

CF04V3T4R0贴片式保险丝产品概述

一、产品基本属性定位

CF04V3T4R0是大毅科技推出的小型化贴片式过流保护器件,采用0402封装,专为低电压、高密度电路设计,核心作用是在电路出现过流故障时快速熔断,切断故障回路,避免下游元器件损坏或引发安全隐患。该产品凭借紧凑尺寸、精准熔断特性及宽温适应性,广泛适配消费电子、可穿戴设备等对空间敏感的应用场景。

二、核心电气性能参数

CF04V3T4R0的电气参数经过严格校准,关键指标直接决定其保护能力与适用场景:

  1. 额定电流:4A(直流/交流通用),指产品在额定电压下可持续稳定工作而不熔断的最大电流,是电路正常负载电流的选型核心依据;
  2. 额定电压:32V DC(直流),为产品熔断时能安全分断电路的最高电压,若工作电压超过该值,可能导致熔断时出现电弧拉弧等危险;
  3. 熔断I²t值:0.0896 A²·s,该参数反映保险丝的熔断速度——I²t值越小,相同过流倍数下熔断时间越短,CF04V3T4R0属于快熔型,可快速响应瞬态过流(如短路);
  4. 分断能力:35A(32V DC下),即产品在故障状态下能可靠切断电路的最大故障电流,若故障电流超过该值,可能无法有效分断;
  5. 工作温度范围:-20℃至+105℃,宽温范围覆盖多数消费电子、工业低电压场景的环境需求,无需额外降额即可稳定工作。

三、封装与物理特性

CF04V3T4R0采用0402英制贴片封装,对应公制尺寸为1.0mm(长度)×0.5mm(宽度)×0.5mm(厚度,常规值),符合国际电子封装标准(IPC),可直接通过SMT(表面贴装技术)实现自动化生产,大幅提升电路组装效率。

紧凑封装的核心优势:

  • 适配高密度PCB布局,满足智能手机、智能手表等小型化设备的空间限制;
  • 无引脚设计减少寄生参数,不影响电路高频性能;
  • 贴装工艺成熟,降低生产过程中虚焊、假焊风险。

四、典型应用场景

结合CF04V3T4R0的参数特性,其典型应用集中在低电压、小空间、过流保护需求明确的领域:

  1. 消费电子终端:智能手机/平板电脑的电池充电电路、USB Type-C接口保护、主板电源分配模块;
  2. 可穿戴设备:智能手表、手环、无线耳机的电池保护电路、无线充电模块;
  3. 小型家电与外设:无线音箱、便携充电宝、USB HUB集线器的过流保护;
  4. 工业低电压控制:小型传感器节点、低功率PLC模块、LED驱动电路的辅助保护;
  5. 车载低电压辅助电路:车载USB充电口、行车记录仪电源模块(适配12V/24V系统,32V内均适用)。

五、品牌与可靠性优势

CF04V3T4R0由大毅科技(台湾知名保险丝制造商)设计生产,该品牌在过流保护领域拥有20余年技术积累,产品可靠性经多重测试验证:

  1. 环保合规:符合RoHS 2.0、REACH等国际环保标准,无铅无卤,适配绿色电子产品设计;
  2. 可靠性测试:通过温度循环(-40℃+125℃)、振动(102000Hz)、湿热(85℃/85%RH)等严苛环境测试,确保宽温下性能稳定;
  3. 熔断特性精准:采用高精度合金熔体设计,熔断时间曲线与额定参数一致性高,避免“误熔断”(正常负载下)或“延迟熔断”(过流时);
  4. 一致性管控:生产过程采用自动化检测,每批次产品参数偏差控制在±5%内,满足批量应用的一致性需求。

总结

CF04V3T4R0凭借小型化、快熔速、宽温适配及高可靠性,成为低电压电路过流保护的优选器件,尤其适合对空间敏感的便携式电子设备,可有效提升电路安全性能与产品使用寿命。

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