WMSIC Electronic Components

HXY MOSFET HTLP185GB-S

ModelHTLP185GB-S
PackageSOP-4
BrandHXY MOSFET
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
HXY MOSFET HTLP185GB-S
Type
SOP-4
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
HTLP185GB-S
Electronic Component
1
Package
SOP-4
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.121g
Electronic Component
1
Electronic Component
4us
Electronic Component
BM0228150213
Operating Temperature
55℃~+110℃
Load Voltage
80V
Type
DC
Output Current
50mA
Output Type
Photoelectric Transistor
(tr)
3us

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

HTLP185GB-S 产品概述

一、产品简介

HTLP185GB-S 是华轩阳电子(HXY MOSFET)推出的一款晶体管输出型光电耦合器,输入为直流光发射二极管(LED),输出为光电三极管。该器件专为信号隔离与电平转移设计,在保证高隔离强度的同时提供较大的输出电流能力,适合工业控制、通信接口及电力电子的信号隔离场合。

二、主要特点

  • 输入正向压降(Vf):典型 1.25V,便于驱动电平计算。
  • 最大正向电流(If):50mA,支持短时间大电流驱动。
  • 输出类型:光电三极管,最大集电极电流可达 50mA(受限于功耗和热性能)。
  • 隔离电压(Vrms):3.75kV,满足一般工业级隔离要求。
  • 直流反向耐压(Vr):6V。
  • 允许负载电压:最高 80V。
  • 集射极饱和电压(VCE(sat)):典型 100mV(测试条件:IF/IC 参考器件规格,常见为 IF=20mA,IC=1mA)。
  • 电流传输比(CTR):100%(最小)—600%(最大/饱和值),适应不同增益需求。
  • 开关特性:上升时间(tr)约 3µs,下降时间(tf)约 4µs,适合中低速信号隔离。
  • 工作温度范围:-55℃ ~ +110℃。
  • 封装:SOP-4,利于贴片装配与批量生产。

三、电气性能要点

  • 驱动LED时请按 Vf≈1.25V 及所需 If 计算限流电阻。例如在 5V 驱动、目标 If=20mA 时,R ≈ (5V−1.25V)/20mA ≈ 188Ω(可选 180Ω~200Ω)。
  • CTR 波动较大,设计时应考虑最坏情况(最低 100%)与温度/老化影响;若为开关或逻辑接口,建议使用判定阈值留有裕量。
  • 输出电压承受能力最高 80V,若系统中存在高压瞬变,应加限压或吸收元件保护。

四、封装与机械特性

SOP-4 小体积贴片封装,适配自动贴装与回流焊流程。布局时保持输入端与输出端的爬电距离与走线间距,利用器件外壳标注方向以便正确焊接。

五、典型应用

  • 工业控制器与PLC 的数字隔离输入/输出。
  • 开关电源反馈与隔离传输信号。
  • 微控制器与高压/多域供电电路之间的逻辑隔离。
  • 通信设备、电表及家电的抗干扰信号传输。

六、使用建议

  • 根据实际工作频率与响应时间选择合适的 If 和负载电阻,若需更快响应可降低光耦负载电阻并适当增加驱动电流,但需注意热耗散。
  • 对于需高精度传输的模拟或线性应用,使用前进行 CTR 温漂和线性度评估。
  • 在高电压环境增加阻容吸收或 TVS 以防瞬态击穿,确保隔离安全。

七、可靠性与注意事项

  • 遵循回流焊温度曲线,避免过热导致 LED 或封装损伤。
  • 长期在高温高湿环境下工作会影响 CTR 和寿命,设计时留有裕度并考虑必要的封装保护或密封。
  • 存储与使用时注意静电防护(ESD),并保证器件的焊接清洁无焊渣短路。

HTLP185GB-S 面向需要高隔离和中等速度、较大输出驱动能力的隔离场合,凭借较低的VCE(sat)、宽范围的 CTR 和可靠的隔离电压,是工业与消费类电子设计中常用的光耦元件选择之一。

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