Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
HF HF3FF-012-1HST HF3FF
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HF HF3FF-012-1HST
- Type
- HF
- Minimum package
- 100 盒装
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HF
- Electronic Component
- HF3FF-012-1HST
- Electronic Component
- 1
- Electronic Component
- 15.2mm
- Package
- Through-hole, 19x15.2mm
- Electronic Component
- Power Relay
- Electronic Component
- 7.8g
- Electronic Component
- 19mm
- Electronic Component
- 4
- Electronic Component
- 1
- Electronic Component
- 10ms
- Electronic Component
- BM0231130875
- Operating Temperature
- 40℃~+85℃
- Contact Resistor
- 100mΩ
- Coil Voltage
- 12V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
HF3FF-012-1HST 产品概述
一、概述
HF3FF-012-1HST 是宏发（HF）出品的一款小型功率插件继电器，封装尺寸约19×15.2mm，属于常见的控制类继电器，适合在空间受限但需切换较大电流/电压的场合使用。器件为单刀单掷（1 Form A，简称“1A”）常开触点结构，四引脚设计（两个线圈引脚、两个触点引脚）。
二、主要电气参数
- 线圈电压：12V DC（无极性单线圈）；线圈电阻400Ω，线圈功率360mW。线圈工作电流约为 I = 12V / 400Ω ≈ 30mA。
- 触点容量（电阻性负载）：10A @ 28VDC；10A @ 277VAC；最大切换电流可达15A，最大切换电压277VAC / 28VDC。
- 接触电阻：≤100mΩ；触点材料为AgSnO2，具备较好的抗电弧和耐擦伤性能，适合直流和交流开关应用。
- 动作/释放时间：动作约10ms，释放约5ms。工作温度范围：-40℃ ～ +85℃。
三、结构与封装
该继电器为插件式封装，标准四脚布局便于通过孔插装或插座化安装，体积紧凑（19×15.2mm），适合集成于功率控制模块、继电器阵列或大批量生产的自动化装配线。
四、应用场景
适用于家用电器控制、照明/灯具控制、空调与暖通系统、工业控制模块、电源切换和小型电机驱动等。因其可切换277VAC及高达10A电阻负载，也常用于楼宇自动化与商用照明控制场合。AgSnO2触点使其在直流开关时表现更优。
五、选型与使用建议
- 驱动：线圈电流约30mA，驱动器件选择时确认能提供稳定12V且驱动能力充足。
- 抑制措施：若用于感性负载（线圈、电机等）建议加装吸收网络（RC、TVS或二极管）以抑制反向尖峰；注意若使用二极管将使线圈带有极性，失去无极性优势。
- 散热与环境：在高电流或高频繁切换场合需考虑散热与电弧影响，并参考宏发官方数据表确认电寿命与机械寿命参数。
- 引脚与安装：实际引脚排列及针脚尺寸请参见原厂数据表或样品实测，确保与PCB或插座兼容。
六、优势与注意事项
优势包括：体积小、开关电流/电压能力强、触点材料抗电弧、线圈功耗低（360mW）。注意事项：尽管触点容量标注为10A，但开关寿命与接触条件（负载类型、开关频率、过电流）密切相关；高能直流断开时务必评估电弧问题并采取保护措施。
如需完整针脚图、耐久寿命（电寿命/机械寿命）及典型接线图，请提供是否需要我帮您检索宏发HF官方数据表或样品图纸。
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