Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
HF HF105F-1/005D-1HST HF105F
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HF HF105F-1 / 005D-1HST
- Type
- HF
- Minimum package
- 40 托盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HF
- Electronic Component
- HF105F-1/005D-1HST
- Electronic Component
- 1
- Package
- Through-hole, 32.3x27.1mm
- Electronic Component
- Power Relay
- Electronic Component
- 26.775g
- Electronic Component
- 4
- Electronic Component
- 1
- Electronic Component
- 15ms
- Electronic Component
- BM0257490837
- Operating Temperature
- 55℃~+85℃
- Contact Resistor
- 50mΩ
- Coil Voltage
- 5V
- Coil Resistor
- 27Ω
- Coil Type
- Coil
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
HF105F-1/005D-1HST 产品概述
一、产品简介
HF105F-1/005D-1HST 是宏发（HF）出品的一款插件式功率继电器，封装体积为 32.3 × 27.1 mm，4 引脚设计，单刀单掷常开（1A，SPST-NO）。该继电器以 5V 线圈驱动，适用于需要大电流切换且空间受限的控制场合。
二、主要技术参数
- 线圈电压：5 V（无极性单线圈，可任意接线方向）
- 线圈电阻：27 Ω；额定线圈功率：900 mW
- 触点形式：一组常开（1A）
- 触点材料：AgSnO2（银锡氧化物）
- 触点容量（电阻负载）：30 A @ 240 VAC；20 A @ 28 VDC
- 最大切换电流：40 A；最大切换电压：277 V AC / 28 V DC
- 接触电阻：≤50 mΩ
- 动作时间：≈15 ms；释放时间：≈10 ms
- 工作温度范围：-55 ℃ ~ +85 ℃
- 引脚数：4；封装方式：插件（through-hole）
三、关键性能与特点
- 高通断能力：30 A 在交流电阻负载下足以应对许多电机、加热、照明等功率回路。最大 40 A 的瞬态切换能力可承受短时冲击电流。
- 抗电弧材料：AgSnO2 触点对电弧有较好抑制性能，尤其在直流开断时表现优于纯银触点，延长开关寿命。
- 低电阻与快速响应：≤50 mΩ 的接触电阻与 15/10 ms 的操作/释放速度，适合对导通损耗与响应时间有要求的控制系统。
- 无极性线圈：简化接线，降低安装错误风险。插件封装便于维护和更换。
四、典型应用场景
- 家电与暖通（HVAC）功率控制回路
- 电源切换与备用电路（整机电源管理）
- 小型电机或泵的开关控制（需关注起动电流）
- 工业控制柜、继电保护及照明配电系统
五、安装、接线与使用注意
- 线圈驱动：推荐使用驱动电压稳定的 5V 驱动源；为抑制线圈反向电压，直流驱动场合应并联保护二极管（注意与无极性线圈兼容性）或采用 RC 抑制器。
- 耐流与散热：长时间接近额定触点容量时需考虑散热与导线能承受的热负荷；对于电感性或具有高冲击电流的负载，应评估触点磨损与寿命。
- 接线与布局：插件式安装时确保焊接质量和可靠的插座接触；保持周围空间以利于散热与绝缘距离。
- 环境：在高湿、高腐蚀或强振动环境下，建议参考厂家详细环境认证并采用相应防护措施。
六、选型建议与可靠性
在选型时，除额定电流、电压与线圈参数外，应重点评估负载类型（电阻性/电感性/容性）、起动电流幅值、开断频率与环境温度。对于频繁切换或大电感负载，推荐在触点上增加适当的抑弧器件或选用专用高寿命继电器。更多关于机械寿命、电气寿命及认证（如 UL、TÜV 等）信息，请参阅厂方数据手册以获得完整可靠性指标。
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