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HF81GS-Z

更新时间： 2024-11-11 19:00:39
品牌 Logo 应用领域
芯源 - MPS 光电二极管
页数 文件大小 规格书
10页 234K
描述
Analog Circuit, 1 Func, PDSO8, SOIC-8

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HF81GS-Z 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SOIC-8Reach Compliance Code：compliant
HTS代码：8542.39.00.01Factory Lead Time：8 weeks
风险等级：2.12模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G8长度：4.9 mm
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED座面最大高度：1.75 mm
标称供电电压 (Vsup)：1.4 V表面贴装：YES
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

HF81GS-Z 数据手册

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HF81  
X Capacitor Bleeder  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
HF81 is an innovative two-terminal IC that  
automatically discharges an X capacitor while  
eliminating power losses and allowing power  
supplies to comply with safety standards.  
Disconnect series discharge resistors from  
L-N when AC voltage is applied  
Connect series discharge resistors with L-N  
to discharge the X capacitor when AC  
voltage is unplugged  
The HF81 acts as a smart high-voltage switch  
when placed in series with discharge resistors  
(alternatively bleed resistors). In the presence  
of an AC voltage, the HF81 blocks current flow  
in the safety discharge resistors to reduce the  
power loss in these components to zero at 230  
VAC. When disconnected from the AC voltage,  
the HF81 automatically and safely discharges  
the X capacitor by closing the circuit through  
the bleed resistors and directing the energy  
away from the exposed AC plug.  
Supplied by AC voltage directly and doesn’t  
need external bias  
Meets safety standards for use before or  
after input fuse  
No external ground pin leads to high  
common mode surge immunity  
1000V internal JFET inside leads to high  
differential surge immunity  
>4mm creepage on package and PCB  
Compliant to IEC 60950-1  
Table 1: Component Selection Range for HF81  
APPLICATIONS  
Total X Capacitance Total Series Resistance  
100nf to 5μF  
1.5MΩ to 150kΩ  
AC/DC converters with X capacitors larger  
than 0.1μF  
Table 2: Typical Component Recommendation (1)  
All converters requiring ultra-low no-load  
consumption and low standby power  
Appliances requiring EuP Lot 6 compliance  
Appliances requiring Energy Star V2.0  
White Goods (For example, Dishwasher,  
Washing Machine, Air-Conditioner and etc.)  
Server Power, Telecom Power, ATX Power  
Total X  
Total Series  
Power  
PN  
Capacitance Resistance Saving(2)  
≤500nF  
750nF  
1μF  
1.5μF  
2μF  
2.5μF  
3.5μF  
5μF  
1.5MΩ  
1MΩ  
66mW  
86mW  
780kΩ  
480kΩ  
360kΩ  
300kΩ  
200kΩ  
150kΩ  
142mW  
191mW  
230mW  
347mW  
464mW  
HF81  
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green  
status, please visit MPS website under Quality Assurance. “MPS” and “The  
Future of Analog IC Technology” are Registered Trademarks of Monolithic  
Power Systems, Inc.  
Notes:  
1) The recommended values are calculated based on a 0.75s  
RC time constant to meet safety requirement considering  
tolerance. They may vary in applications.  
2) The values are calculated at Vin=265Vac  
HF81 Rev. 1.15  
9/22/2017  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2017 MPS. All Rights Reserved.  
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HF81GS-Z 替代型号

型号 品牌 替代类型 描述 数据表
HF81GS MPS

完全替代

 X Capacitor Bleeder

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