WMSIC Electronic Components

HF HF46F-G/12-HS1 HF46F

ModelHF46F-G/12-HS1
PackageThrough-hole, 20.5x7mm
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 HF46F-G / 12-HS1
Type
HF
Minimum package
160 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HF
Electronic Component
HF46F-G/12-HS1
Electronic Component
1
Electronic Component
7mm
Package
Through-hole, 20.5x7mm
Electronic Component
Power Relay
Electronic Component
3.2g
Electronic Component
20.5mm
Electronic Component
4
Electronic Component
1
Electronic Component
10ms
Electronic Component
BM0231130882
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.

HF46F-G/12-HS1 产品概述

一、产品简介

HF46F-G/12-HS1 是宏发(HF)出品的一款小型通用电源继电器,线圈电压为 12VDC,触点形式为一组常开(SPST-NO),采用插件封装,外形尺寸约 20.5 × 7 × 15.3 mm,适合空间受限的板上电源与开关控制场合。继电器结构紧凑、线圈功耗低、切换能力可满足中等负载的常规控制需求。

二、主要技术参数

  • 线圈电压:12 VDC(无极性单线圈,方便接线)
  • 线圈电阻:720 Ω(典型) → 线圈电流约 16.7 mA,线圈耗能约 200 mW(额定)
  • 触点形式:一组常开(SPST-NO)/ 单刀单掷
  • 触点材料:AgNi(银镍合金)
  • 触点容量(电阻性负载):10 A @ 250 VAC;10 A @ 30 VDC
  • 最大切换电压:277 VAC;30 V DC
  • 最大切换电流:10 A
  • 接触电阻:≤100 mΩ(典型)
  • 动作/释放时间:约 10 ms / 10 ms
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 引脚数:4(含线圈与触点引出)
  • 封装形式:插件(通孔)

三、特性与优势

  • 低功耗线圈:200 mW 的线圈功率在 12 V 驱动下仅需约 16.7 mA,有利于降低控制电路功耗并减小驱动器需求。
  • 紧凑体积:20.5 × 7 × 15.3 mm 的小型封装适合密集布板或继电器阵列应用。
  • 良好通用性:10 A 的触点容量能覆盖常见家电、工业控制与电源切换等中等负载场景。
  • 耐弧材质:AgNi 触点在开关电弧和焊接倾向上表现均衡,适合交流与直流负载的通用切换(对直流感性负载仍需注意退化)。
  • 无极性线圈:便于布线与替换,减少接错带来的风险。

四、典型应用

  • 家电控制(例如小型电机、加热元件的控制回路,在符合额定负载下)
  • 电源管理与继电器板:作为断电/通电控制单元或备份电源切换
  • 工业自动化低压控制电路、仪器仪表开关
  • 安防与通信设备中的继电保护、信号路由

五、使用建议与注意事项

  • 对于感性负载(电机、继电器线圈、电磁阀等),建议在触点两端并联适当的抑制元件(RC 抑制器、MOV 或 TVS 等),以减小电弧、延长触点寿命;直流感性负载切换时应考虑明显降低额定电流。
  • 线圈为无极性设计,但若使用二极管做反向抑制(flyback 二极管),需按固定极性接入,且该方式仅适用于直流驱动。若需不受极性限制可采用 RC 吸收网络或 TVS。
  • 遵守最大切换电压/电流规格,长时间接近或超过额定值会加速触点磨损和粘连;高频率开闭时也应适当降额使用。
  • 插件式通孔安装时注意焊接温度和时长,避免对继电器内部结构与线圈绝缘造成影响。
  • 产品寿命(电寿命与机械寿命)受工作电流、开关频率与负载性质影响,选型时应考虑实际使用工况并预留安全裕度。

六、选型建议

若应用需求为小电流信号切换或高频率重复动作,可考虑更适合的信号继电器;若需要切换更大电流或更高安全等级,请选择额定更高或带有防焊接/自复位保护的继电器。HF46F-G/12-HS1 在低功耗、占板面积小且需切换 10 A 级别电阻负载的场合具有较好的性价比。

总结:HF46F-G/12-HS1 是一款面向通用控制场景的 12V 小型功率继电器,低线圈功耗、紧凑体积与 10A 切换能力使其在家电、工控与电源管理等领域具有广泛适用性。选用时应结合负载特性和开关频率进行合理降额与保护设计,以保证长期可靠运行。

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