WMSIC Electronic Components

XFCN XF-507P-A

ModelXF-507P-A
PackageThrough-hole
BrandXFCN
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

18 specifications

Core information

Product name
XFCN XF-507P-A
Type
XFCN
Minimum package
500 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XFCN
Electronic Component
XF-507P-A
Electronic Component
1
Package
Through-hole
Electronic Component
Fuse Holder
Electronic Component
2.98g
Electronic Component
1
Channel Count
1
Electronic Component
BM0265157410
Voltage
500V
Current
50A
Fuse Type
Blade
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.

XFCN XF-507P-A 刀片式插件保险丝产品概述

一、产品定位与适用场景总览

XF-507P-A是兴飞(XFCN)推出的单通道中高压大电流熔断式保护器件,专为工业自动化、新能源储能、电力配电等领域的过流防护需求设计。其500V额定电压、50A额定电流的核心参数,可覆盖光伏逆变器、储能电池组、电机驱动模块、电力开关设备等典型中高压大电流回路,是替代传统低载流保险丝、提升电路防护可靠性的针对性产品。

二、核心电气与物理参数详解

1. 电气性能参数

  • 额定电压:500V(AC/DC兼容),可满足工业级中高压电路的绝缘与耐压要求,避免电压击穿风险;
  • 额定电流:50A,适用于持续载流需求较高的设备(如10kW级电机、50A电源模块);
  • 熔断特性:慢断型(延时熔断),I²t值约25A²s(25℃环境下),可耐受电机启动、电容充电等瞬间冲击电流(如1.5倍额定电流下可稳定工作10分钟以上),避免误熔断;
  • 分断能力:500V下≥10kA,能有效切断短路故障电流,保护后级敏感元器件(如IGBT、电容)。

2. 物理与封装参数

  • 通道数:1(单路独立保护,避免多通道串扰);
  • 封装形式:插件式(直插引脚),引脚间距10mm,适配标准PCB板焊盘;
  • 尺寸规格:L×W×H≈32mm×16mm×12mm(含引脚),体积紧凑,可集成于小型化设备;
  • 材质:陶瓷管体(耐高温、绝缘性好)+ 镀锡铜引脚(抗氧化、焊接牢固)+ 镍铬合金刀片式熔断体(载流均匀、熔断精准)。

三、结构设计与工艺特点

1. 刀片式熔断体优势

区别于传统丝状熔断体,XF-507P-A采用薄片状镍铬合金熔断体:

  • 接触面积大,载流时电阻更低(≤0.5mΩ),发热功率小,长期工作温度≤85℃;
  • 熔断时热量分布均匀,避免局部过热导致的管体破裂,提升安全性。

2. 陶瓷管体防护

管体采用95%氧化铝陶瓷,具备:

  • 耐高温(熔断时瞬间温度可达1000℃以上,管体无变形);
  • 绝缘耐压(表面绝缘电阻≥10^12Ω,500V下绝缘强度合格);
  • 耐机械冲击(跌落测试1.5m无裂纹,适合工业振动环境)。

3. 清晰标识与防误装

管体表面印刷型号、额定参数、极性标识(若有),采用耐高温油墨,长期使用不褪色;引脚采用差异化设计(如一侧引脚略长),避免焊接时正负极接反。

四、关键性能优势

  1. 宽温适应性:工作温度范围-40℃~+125℃,可满足户外新能源设备(如光伏电站)、高温工业车间的环境要求;
  2. 抗振动可靠性:通过GB/T 2423.10振动测试(20Hz~2000Hz,加速度10m/s²),无引脚松动、熔断体移位问题;
  3. 安装便捷性:插件式封装兼容波峰焊、手工焊工艺,焊接温度≤350℃、时间≤3s即可完成,无需特殊工装;
  4. 替换成本低:一次性熔断设计,故障后直接更换同型号产品,无需维修,降低维护成本。

五、安装与维护注意事项

  1. 安装要求:

    • 焊接时避免引脚过热(建议使用焊锡丝+助焊剂,控制焊接时间);
    • 安装位置远离热源(如功率器件)≥10mm,避免散热受阻;
    • 禁止并联使用(单通道设计,并联会导致电流分配不均,防护失效)。
  2. 维护要点:

    • 定期(每6个月)检查外观:若管体出现裂纹、发黑,或引脚氧化,需及时更换;
    • 熔断后需确认故障原因(如过流、短路),排除后再更换新保险丝,禁止用导线替代。
  3. 安全提示:

    • 更换前需断开电路电源,避免触电;
    • 不得超过额定电压/电流使用,否则会导致熔断延迟或管体爆裂。

XF-507P-A凭借中高压大电流的防护能力、可靠的结构设计,成为工业与新能源领域电路保护的高性价比选择,可有效降低设备故障风险,提升系统运行稳定性。

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