WMSIC Electronic Components

JDTfuse A16-800

ModelA16-800
PackageThrough-hole, P=5.1mm
BrandJDTfuse
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JDTfuse A16-800
Type
JDTFUSE
Minimum package
500 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JDTFUSE
Electronic Component
A16-800
Electronic Component
1
Package
Through-hole, P=5.1mm
Electronic Component
Resettable Fuse
Electronic Component
0.187g
Electronic Component
1
Electronic Component
9s
Electronic Component
BM0265804805
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
16V
Power(Pd)
3W
Current(Imax)
40A
Electronic Component
Electronic Component
Electronic Component
500

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

JDTfuse A16-800 自恢复保险丝产品概述

一、产品定位与核心属性

JDTfuse A16-800是集电通(JDTfuse)品牌推出的插件式自恢复过流保护器件,针对中大功率低压电路设计,替代传统一次性保险丝的“熔断即废”缺陷,通过聚合物PTC材料的正温度系数特性实现“过流动作→冷却恢复→重复使用”的循环,无需人工干预即可持续保护电路,适用于对维护成本、保护可靠性要求较高的场景。

二、关键电气参数详解

该产品的参数明确了保护能力与适用边界,核心参数及实际意义如下:

  1. 过流保护阈值:
    • 保持电流(Ihold):8A(设备正常工作时,电路持续通过≤8A电流不会触发保护,确保负载稳定运行);
    • 跳闸电流(Itrip):13.6A(当电流≥13.6A时,保险丝快速动作,切断过流路径);
    • 最大动作时间:≤9s(从过流触发到完全切断的响应速度,满足多数设备的保护时效性)。
  2. 电气承载能力:
    • 最大电压(Vmax):16V(适配16V及以下低压直流电路,如12V/24V电源);
    • 最大电流(Imax):40A(瞬间耐受峰值电流,避免短时间浪涌误动作);
    • 消耗功率:3W(额定工作下的最大功耗,实际因低阻值远低于此,效率更高)。
  3. 阻值与环境特性:
    • 初始阻值(最小值):6mΩ(低阻值设计,减少工作损耗与发热);
    • 跳断后阻值(最大值):21mΩ(恢复后仍低阻,不影响电路导通);
    • 工作温度:-40℃~+85℃(覆盖工业、车载等恶劣环境的温变需求)。

三、封装与应用适配

A16-800采用插件封装,相比贴片封装具有明显适配优势:

  • 电流承载能力更强:支持8A~13.6A的中大功率电路,避免贴片的电流限制;
  • 焊接可靠性高:插件引脚可通过波峰焊、手工焊牢固连接,适合工业设备、电池包等对焊接强度要求高的场景;
  • 散热性能更好:插件结构利于热量散发,减少长时间工作的热积累,延长产品寿命。

四、性能优势与实际价值

  1. 自恢复免维护:过流保护后无需更换,降低设备维护成本与停机时间,适合无人值守场景(如通信基站、户外监控);
  2. 低损耗高效率:初始6mΩ阻值在8A工作电流下,实际功耗仅0.384W(I²R=8²×0.006),远低于3W额定值,提升电路效率;
  3. 宽温可靠运行:-40℃~+85℃的温度范围,可适应北方冬季低温、南方夏季高温,以及工业车间的温变环境;
  4. 快响应保护:≤9s的动作时间,能在设备损坏前切断过流,避免后端敏感器件(芯片、电容)烧毁。

五、典型应用场景

A16-800的参数与封装特性,使其广泛适用于以下场景:

  1. 低压直流电源模块:12V/24V工业电源、通信设备电源,保护输出端免受短路/过载损坏;
  2. 电动工具电池包:锂电钻、割草机电池,防止过充、过放、短路时的电池热失控;
  3. 工业控制回路:PLC输出端、继电器线圈回路,保护控制电路免受负载过流冲击;
  4. 车载辅助系统:车载充电器、LED照明回路,满足汽车-40℃~+85℃的环境要求;
  5. 户外通信设备:基站电源、户外监控摄像头电源,适应宽温与长期运行需求。

总结

JDTfuse A16-800自恢复保险丝通过“高可靠性、自恢复、低损耗、宽温适配”的核心特性,为中大功率低压电路提供了高效保护方案。其插件封装的设计,进一步拓展了在工业、车载、通信等领域的应用空间,是替代传统一次性保险丝的优质选择。

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