WMSIC Electronic Components

HF HF3FF/012-1ZST HF3FF

ModelHF3FF/012-1ZST
PackageThrough-hole, 19x15.2mm
BrandHF
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HF HF3FF / 012-1ZST
Type
HF
Minimum package
1000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HF
Electronic Component
HF3FF/012-1ZST
Electronic Component
1
Electronic Component
15.2mm
Package
Through-hole, 19x15.2mm
Electronic Component
Power Relay
Electronic Component
7.199g
Electronic Component
19mm
Electronic Component
1
Electronic Component
10ms
Electronic Component
BM0257710349
Operating Temperature
40℃~+85℃
Contact Resistor
100mΩ
Coil Voltage
12V
Coil Resistor
400Ω

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

HF3FF/012-1ZST 产品概述

一、概述

HF3FF/012-1ZST 是宏发(HF)出品的一款紧凑型电源继电器,采用12V直流线圈驱动,单刀双掷(SPDT,1 Form C)触点结构,通用的 THT 插脚封装(尺寸:19 × 15.2 × 15.5 mm),适合在空间受限的板上实现可靠的电气隔离与开关控制。继电器以其体积小、触点容量高、动作速度快及宽工作温度范围,常用于工业控制、家电、通讯电源和楼宇自动化等场景。

二、主要性能亮点

  • 线圈电压:12 VDC,线圈功率标称 360 mW,线圈电阻约 400 Ω,适合低功耗驱动场景。
  • 触点形式:SPDT(1 刀 1 装),适配常开、常闭两路输出。
  • 触点容量(电阻负载):10 A @ 28 VDC;10 A @ 277 VAC;5 A @ 250 VAC(标称值,实际应用时应按加载类型与安全规范进行选择与降额)。
  • 最大切换电压:常见工况支持至 250 VAC / 277 VAC 及 28 VDC。
  • 接触电阻:典型 ≤ 100 mΩ,保证低电阻通断特性,适合较大电流传输。
  • 动作/释放时间:动作时间约 10 ms,释放时间约 5 ms,响应迅速。
  • 工作环境温度:-40 ℃ 至 +85 ℃,适应工业级温度变化。

三、结构与安装

  • 封装与安装方式:通过孔贴装(THT),占板面积小、可靠性高,适用于波峰焊或手工焊接的生产工艺。
  • 外形尺寸:19 × 15.2 × 15.5 mm(长 × 宽 × 高),便于在紧凑产品中布置多个继电器。
  • 引脚排列与机械强度设计,能满足常规振动和冲击要求(详实机械寿命与振动耐受请参照完整数据表)。

四、典型应用场景

  • 开关电源与逆变器:用于电源路径切换与保护回路。
  • 工业控制与继电保护:驱动负载、电机控制或信号隔离。
  • 家用电器与HVAC:控制加热、压缩机、风扇等组件的电源。
  • 通信与楼宇自动化:在供电切换、报警系统中作为可靠的电气开关元件。

五、使用建议与注意事项

  • 额定电流/电压:尽量在额定值内使用;对于电感性或容性负载(如电机、电磁阀),需进行适当降额,并采用外加抑弧或吸收电路(RC、TVS、MOV 等)以延长触点寿命。
  • 线圈驱动保护:直流线圈断电时会产生反向电压,建议在继电器线圈回路并联二极管(单向二极管用于直流)或配用更快速的吸收电路,注意若驱动需高速切换或反馈控制,选择合适的钳位方案。
  • 焊接与板后处理:遵照制造商的焊接温度曲线与时间限制进行焊接与清洗,避免长期高温或化学物质侵蚀触点与线圈绝缘。
  • 安装位置:避开高温热源与强电磁干扰源,保持继电器周围有足够冷却空间以利散热。
  • 可靠性评估:对于关键应用建议在实际负载条件下进行寿命测试与环境应力测试(温湿度循环、振动、耐电压与耐冲击测试)。

六、采购与选型提示

  • 型号说明:HF3FF/012-1ZST 中“012”通常表示线圈标称电压 12 VDC,具体符号含义请以宏发正式数据手册为准;在选型时确认触点形式(SPDT)、封装高度和引脚布局是否与电路板匹配。
  • 替代与兼容:如需替代型号或不同线圈电压,请参考 HF 系列其他型号或联系供应商确认互换性。
  • 认证与规范:如应用需通过安规认证(如 UL、VDE 等),请在订购前确认该型号具备相应认证或选择具认证版本。

如需完整电气/机械寿命曲线、耐压/绝缘阻抗值、引脚图与焊接工艺建议,请告知,我可帮您获取并整理对应的官方技术数据表要点。

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