WMSIC Electronic Components

HF HFD27/012-M HFD27

ModelHFD27/012-M
PackageDIP,20.2x10.2mm
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

18 specifications

Core information

Product name
HF HFD27 / 012-M
Type
HF
Minimum package
25 管装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HF
Electronic Component
HFD27/012-M
Electronic Component
1
Package
DIP,20.2x10.2mm
Electronic Component
Signal Relay
Electronic Component
1g
Electronic Component
8
Electronic Component
1
Electronic Component
BM0257490351
Coil Voltage
12V
Electronic Component
Conversion: 2C
Electronic Component
Electronic Component
Electronic Component
25
(Resistor Load)
1A@125VAC;2A@30VDC

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

HFD27/012-M 功率继电器产品概述

一、产品简介

HFD27/012-M 是宏发(HF)推出的一款小型功率继电器,采用标准 DIP 封装(尺寸约 20.2 × 10.2 mm),面向低功率开关和信号切换场合。该器件以 12V 直流线圈驱动,线圈功率低、动作快速,适合板级安装与自动化装配,常用于通信设备、仪器仪表、家电控制与一般工业控制系统。

二、主要参数

  • 线圈电压:12 V DC
  • 额定线圈功率:280 mW
  • 线圈电阻:450 Ω
  • 触点配置与容量(电阻性负载):1 A @ 125 VAC;2 A @ 30 VDC
  • 最大切换电压:120 V DC;240 V AC
  • 最大切换电流:2 A
  • 触点材料:AgNi(银镍)并镀金
  • 接触电阻:≤100 mΩ
  • 动作时间:约 7 ms;释放时间:约 4 ms
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装形式:DIP,外形约 20.2 × 10.2 mm

三、主要特点与优势

  • 低功耗线圈:280 mW 的线圈功耗使得驱动电流较小,便于用 MCU/驱动器通过晶体管或驱动 IC 控制,节省系统能耗。
  • 小巧封装:标准 DIP 形态利于插件或波峰/回流焊工艺,便于批量装配和替换。
  • 良好接触性能:AgNi + 镀金触点在低电流时接触可靠、耐腐蚀,接触电阻低,有利于信号完整性与长期可靠性。
  • 快速响应:7 ms 的动作时间与 4 ms 的释放时间,满足多数控制与切换场景的响应需求。
  • 宽温度适应性:-40 ~ +85 ℃ 的工作范围适合多种工业与户外应用环境。

四、典型应用场景

  • 通信设备与交换机中的线路选择与保护
  • 仪器仪表、测试测量设备的信号切换
  • 家用电器与办公设备的小功率控制回路
  • 工业控制系统中的逻辑与隔离开关(适用于非高功率负载)
    (注:用于感性或高电压/大电流负载时,建议加装保护电路或选用更高规格继电器)

五、安装与使用建议

  • 驱动与保护:12 V 线圈为直流驱动,建议在驱动晶体管或继电器驱动器并联反向抑制二极管以吸收线圈反向峰值,延长驱动器寿命。
  • 负载类型:额定值以电阻性负载为准;切换感性负载(电机、电磁阀等)时需加外部吸收或保护(RC 器件、TVS、消弧器等)并考虑适当的额定余量。
  • 焊接与存储:遵循元器件制造商的焊接温度与时间指南,避免长时间高温暴露;存储环境应干燥、避免强腐蚀性气体。
  • 机械安装:保证良好 PCB 支撑并避免长期振动或冲击,以维护触点可靠性。

六、可靠性与使用注意

HFD27/012-M 提供较低的接触电阻和镀金触点以提高低电流切换的可靠性,但在高频繁切换或潮湿、有腐蚀性气氛下仍需评估寿命退化。对于安全关键或大功率应用,应选择更高额定或专用继电器,并按规范进行电气隔离与冗余设计。

总结:HFD27/012-M 面向低功率、快速响应的板级开关应用,具有低线圈功耗、小体积和良好接触特性,是信号切换与一般控制电路的合适选择。购买与设计前建议参考厂商完整 Datasheet 以获取引脚排列、寿命曲线与详细电气机械规范。

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