WMSIC Electronic Components

TA-I Technology CFS12V3T2R50

ModelCFS12V3T2R50
Package1206
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
CFS12V3T2R50
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
CFS12V3T2R50
Electronic Component
1
Electronic Component
1.6mm
Package
1206
Type
SMD Fuse
Electronic Component
Non-Resettable Fuse
Electronic Component
0.03g
Electronic Component
3.2mm
Electronic Component
0.6mm
I2t
0.605
Electronic Component
1
Electronic Component
50A
Electronic Component
BM0264549065
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.

大毅科技CFS12V3T2R50贴片保险丝产品概述

一、产品核心定位与系列归属

CFS12V3T2R50是大毅科技(Tai-Yi) 推出的一款延时型(慢熔)贴片过流保护器件,隶属于其CFS系列贴片保险丝产品线。该产品针对低压电子设备的过流防护需求设计,采用标准1206封装,兼具小型化、高可靠性与宽温适应性,是消费电子、通信、工业控制等领域的理想防护元件。

二、关键电气性能参数解析

1. 额定工作参数

  • 额定电流:2.5A(AC/DC通用),可稳定承载2.5A以下的持续工作电流,满足大多数低压设备的常规负载需求;
  • 额定电压:32V(DC/AC),工作电压范围内绝缘性可靠,熔断时无击穿风险,兼容12V/24V等低压系统;
  • 额定功率:80W(2.5A×32V),可承受短时间功率波动,避免正常负载变化导致误熔断。

2. 熔断保护特性

  • 熔断I²t值:0.605A²s,该参数反映保险丝熔断所需的能量阈值——当负载出现过流时,若电流平方与时间的乘积累积达到0.605A²s则快速熔断;既保证短路/过载时的及时保护,又能耐受设备启动(如电机、电容充电)的短暂脉冲电流,减少误触发概率;
  • 分断能力:50A(32V DC下),可安全断开最大50A的短路电流,防止短路时产生电弧起火或损坏后端敏感元件,满足绝大多数低压设备的短路防护要求。

三、封装与物理特性

1. 标准1206封装

尺寸为3.2mm(长)×1.6mm(宽),符合国际贴片元件封装标准,适配自动化SMT贴装生产线,无需特殊工装即可高效生产;引脚间距与焊盘尺寸兼容常规PCB设计,降低电路布局难度。

2. 结构与材质

  • 封装材料:陶瓷外壳(耐高温、绝缘性强),可耐受105℃长期工作温度,避免高温下封装变形;
  • 熔断体:高精度合金材料(如银合金),熔断特性一致性强,批次差异极小;
  • 引脚:无铅锡合金(符合RoHS 2.0与REACH环保标准),焊接可靠性高,长期使用无氧化脱落风险。

四、环境适应性表现

1. 工作温度范围

  • 常规工作温度:-20℃~+105℃,覆盖从低温环境(如北方冬季户外设备)到高温工况(如密闭机箱内的通信设备)的广泛场景,满足消费电子、工业控制等领域的常规环境需求;
  • 存储温度:-55℃~+150℃(大毅CFS系列通用参数),长期存储无性能衰减。

2. 湿度与机械稳定性

可耐受95%RH以下的湿度环境,无引脚氧化或封装吸潮问题;机械强度符合IPC标准,可承受贴装过程中的振动与冲击,适配车载、手持设备等移动场景。

五、典型应用场景

  1. 消费电子:智能手机、平板电脑、无线耳机的电池充电与保护电路(1206小体积适配设备轻薄化需求);
  2. 通信设备:路由器、交换机、光模块的电源输入端口防护(防止雷击或浪涌导致的过流损坏);
  3. 工业控制:小型PLC、传感器模块、伺服驱动器的低压控制电路(宽温范围适配车间工况);
  4. 汽车电子:车载充电器、车载显示屏、行车记录仪的12V低压电路(32V额定电压兼容汽车电源系统);
  5. 可穿戴设备:智能手表、手环的电池与充电模块(小封装适合微型化设计)。

六、产品核心优势总结

  1. 小型化适配:1206封装体积仅为3.2×1.6mm,助力设备实现轻薄化设计,尤其适合移动电子、可穿戴等空间受限场景;
  2. 熔断特性精准:延时型设计平衡“保护及时性”与“误触发抗性”,适配含脉冲负载的电路;
  3. 高可靠性:陶瓷封装+无铅引脚确保焊接可靠,宽温范围与50A分断能力提升极端工况下的安全防护;
  4. 生产兼容性:标准SMT封装适配自动化生产线,降低生产工艺复杂度与成本。

CFS12V3T2R50凭借稳定的电气性能与灵活的应用场景,成为低压电子设备过流防护的高性价比选择,可满足不同领域对小型化、高可靠过流保护的需求。

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