WMSIC Electronic Components

HF HF32FA-G/012-HSL1 HF32FA

ModelHF32FA-G/012-HSL1
PackageThrough-hole, 17.6x10.1mm
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HF HF32FA-G / 012-HSL1
Type
HF
Minimum package
100 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HF
Electronic Component
HF32FA-G/012-HSL1
Electronic Component
1
Electronic Component
10.1mm
Package
Through-hole, 17.6x10.1mm
Electronic Component
Power Relay
Electronic Component
0.439g
Electronic Component
17.6mm
Electronic Component
4
Electronic Component
1
Electronic Component
8ms
Electronic Component
BM0264853723
Operating Temperature
40℃~+85℃
Contact Resistor
70mΩ
Coil Voltage
12V

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

HF32FA-G/012-HSL1 产品概述

一、产品简介

HF32FA-G/012-HSL1 是宏发(HF)推出的一款小型插脚功率继电器,线圈额定电压 12VDC,触点形式为单刀单掷常开(SPST‑NO,1 Form A)。产品外形紧凑(17.6 × 10.1 × 12.7 mm),适合 PCB 插件安装,兼顾空间受限电路的开关能力与可靠性。

二、主要技术参数

  • 线圈电压:12 VDC
  • 线圈电阻:620 Ω(典型)
  • 线圈额定功率:230 mW(线圈电流 ≈ 19.3 mA)
  • 触点形式:一组常开(SPST‑NO,1 Form A)
  • 触点材料:AgSnO2
  • 触点容量(电阻性负载):10 A @ 250 VAC(最大切换电流 10 A)
  • 最大切换电压:250 V AC
  • 接触电阻:约 70 mΩ
  • 动作时间 / 释放时间:8 ms / 4 ms
  • 工作温度范围:-40 ℃ 至 +85 ℃
  • 封装与引脚:插件式,4 引脚

三、结构与材料特点

触点采用 AgSnO2 合金,具备良好的耐电弧与抗焊点粘连特性,适合频繁切换和较大电流的阻性负载。紧凑的机械结构保证在有限空间内实现较高的开关能力,插针式封装便于手工或波峰焊接装配到 PCB。无极性单线圈设计使得线圈驱动较为灵活,适用于各类直流驱动电路。

四、典型应用场景

  • 家用电器的控制回路(风扇、泵等)
  • 电源与逆变器中的隔离开关与负载切换
  • 工业控制系统、仪器仪表中的电源控制与信号断开
  • 通信设备与安防设备的电路保护与切换

五、使用与接线建议

  • 线圈驱动:建议使用驱动晶体管或继电器驱动器来控制线圈,并在驱动器与线圈并联采用反向二极管或 RC 抑制器以抑制反向电压(若系统需要无极性驱动时,可用双向抑制方案)。
  • 焊接与装配:作为插件件,可采用手工焊接或波峰焊;注意焊接热量与时间,避免长时间高温以保护内部绝缘与线圈。
  • 保护回路:在开关感性负载或存在较大电弧风险时,建议在触点回路加入适当的压敏、RC 吸收或灭弧器件以延长触点寿命。

六、可靠性与注意事项

  • 在接近额定最大容量(10 A / 250 VAC)时,触点会承受较大电弧与热量,应考虑降额使用或增加灭弧措施以延长使用寿命。
  • 工作温度范围宽(-40 ~ +85 ℃),但若长期在高温或潮湿环境工作,应注意防潮与散热。
  • 动作/释放时间较快(8 ms / 4 ms),适合对响应速度有要求的控制场景,但在高频率切换时需关注触点磨损。

七、选型建议与替代

HF32FA-G/012-HSL1 适合要求小体积、低线圈功耗(≈230 mW)且需 10 A 级交流阻性负载切换的场合。如需更高电流或更高绝缘等级,可以考虑宏发系列中更大功率或带密封/高压等级的型号;若需直流大电流建议查阅专为直流负载设计的继电器以防触点粘连。

八、结语

HF32FA-G/012-HSL1 以其紧凑体积、低线圈能耗和 10 A 的开关能力在小型功率控制领域具有很好的性价比。合理的驱动与抑制措施、合适的降额使用和良好的装配工艺能使其在家电、工业控制及通信设备中发挥稳定、长寿命的开关作用。若需样品、典型波形或更多机械尺寸图,请参考 HF 官方资料或联系供应商获取详细数据表。

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