WMSIC Electronic Components

HF HFD16/24-ZFH-3N HFD16

ModelHFD16/24-ZFH-3N
PackageDIP,15.7x10.6mm
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HF HFD16 / 24-ZFH-3N
Type
HF
Minimum package
500 管装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HF
Electronic Component
HFD16/24-ZFH-3N
Electronic Component
1
Electronic Component
10.6mm
Package
DIP,15.7x10.6mm
Electronic Component
Signal Relay
Electronic Component
5.28g
Electronic Component
15.7mm
Electronic Component
1
Electronic Component
5ms
Electronic Component
BM0231130884
Operating Temperature
40℃~+85℃
Contact Resistor
100mΩ
Coil Voltage
24V
Coil Resistor
2.8kΩ

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

HFD16/24-ZFH-3N 产品概述

HFD16/24-ZFH-3N 是宏发(HF)推出的一款小型信号继电器,采用 DIP 封装,尺寸紧凑(15.7 × 10.6 mm),适用于对体积、功耗与切换性能有平衡要求的电子控制与信号切换场合。该继电器以 24V 直流线圈驱动,线圈功耗低(200 mW),触点采用 AgNi 合金,能提供可靠的微功率到中等功率电气隔离与开关功能,特别适用于工业控制、仪器仪表、通信设备与继电器模块等领域。

一、主要特性

  • 线圈电压:24 V DC
  • 额定线圈功率:200 mW(低功耗设计)
  • 线圈电阻:约 2.8 kΩ(线圈电流约 8.3–8.6 mA)
  • 触点形式与材料:AgNi(银镍合金),接触电阻典型 100 mΩ
  • 触点容量(电阻负载):3 A @ 30 VDC;3 A @ 250 VAC
  • 最大切换电压:250 V AC;220 V DC
  • 最大切换电流:8 A(瞬时或限值情况,长期使用请按额定值选型)
  • 动作/释放时间:约 5 ms / 5 ms(典型)
  • 工作温度范围:-40 ℃ 至 +85 ℃
  • 封装:DIP(适合直插 PCB 安装),外形尺寸:15.7 × 10.6 mm
  • 品牌:HF(宏发)

二、技术参数(建议在设计前核对官方 Datasheet)

  • 线圈:24 V DC;功耗 200 mW;电阻 2.8 kΩ(±公差请参照官方数据)
  • 触点容量:3 A(电阻负载)在 30 VDC / 250 VAC 条件下可靠工作
  • 最大切换能力:电压 250 VAC / 220 VDC;瞬态电流上限 8 A
  • 电气寿命与机械寿命:请参考厂商寿命曲线,具体寿命与使用条件(负载类型、开关频率、环境)相关
  • 接触电阻:≤100 mΩ(初始典型值)
  • 响应速度:动作/释放约 5 ms(线圈驱动及电路条件下)
  • 环境:工作温度 -40~+85 ℃,相对湿度与防护等级参见厂方说明

三、主要应用场景

  • 工业控制与 PLC 接口的低功率信号切换
  • 仪器仪表、数据采集系统中的信号隔离与路由
  • 通信设备与继电器模块(板载小型中继)
  • 家电控制板、楼宇自动化以及安防系统的低功率开关
  • 需要体积小、功耗低且具电气隔离的电路设计场合

四、设计与使用建议

  • 线圈驱动:线圈电流约 8.3–8.6 mA(24 V / 2.8 kΩ),单片机 I/O 可驱动但建议使用驱动器(晶体管、MOSFET 或驱动 IC)以提高可靠性与抗干扰能力。
  • 抑制与吸收:直流线圈常用反向二极管吸收反向电势,二极管会延长释放时间;若需较快释放可采用 RC 吸收或 TVS 二极管或并联缓冲网络以缩短释放时间并抑制尖峰。
  • 负载类型:额定值为电阻性负载。在切换感性负载(电机、电磁阀、线圈等)时应按感性负载规则进行额外选型与保护(并联吸收、RC、MOV、TVS 等),并考虑接触寿命的显著降低。
  • 接触电阻与低电压应用:接触电阻典型 100 mΩ,适合信号级及低电阻负载;若为低电压微安级信号,需考虑接触材料与可靠性,并注意氧化与漂移问题。
  • 热与环境:在高温或连续切换频繁的工况下,需留足散热空间并考虑额定电流的热降额。

五、选型注意与常见替代建议

  • 若长期切换电流接近或超过 3 A(尤其是 DC)、或频繁切换感性负载,应考虑功率继电器或固态继电器以获得更长电气寿命与更高耐久性。
  • 若需更快的动作/释放或零待机功耗的方案,可评估不同线圈电压或固态方案。
  • 对 EMS 或高抗干扰要求场合,注意线圈驱动的滤波与接地设计,采用屏蔽或远离高功率开关元件布局。

六、使用维护与可靠性提示

  • 安装时避免强烈冲击或过度弯针;确保焊接温度与时长符合规范以防损伤线圈或封装。
  • 对于关键应用,建议在样机阶段进行寿命与环境应力测试(高低温循环、振动、湿热)以验证设计可靠性。
  • 定期检查长时间运行系统中的接触状态与接线端子,防止因接触氧化造成接触电阻上升。

总结:HFD16/24-ZFH-3N 是一款体积小、线圈功耗低的通用信号继电器,适合多种电子控制与信号切换场景。设计时应根据负载类型、切换频率与使用环境合理选型并采取合适的驱动与抑制措施,以确保长期稳定运行。如需更详细的电气寿命、机械寿命与封装尺寸图,请参考宏发官方 Datasheet。

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