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参数资料
| 型号： | KA2803BD |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC EARTH LEAKAGE DETECTOR 8-SOP |
| 标准包装： | 8,100 |
| 应用： | 接地漏电检测器 |
| 电流 - 电源： | 400µA |
| 电源电压： | 12 V ~ 20 V |
| 工作温度： | -25°C ~ 80°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 管件 |
January 2014
KA2803B
Earth Leakage Detector
Features
Description
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Low Power Consumption: 5 mW, 100 V/200 V
Built-In Voltage Regulator
High-Gain Differential Amplifier
0.4 mA Output Current Pulse to Trigger SCRs
Low External Part Count
DIP & SOP Packages, High Packing Density
High Noise Immunity, Large Surge Margin
Super Temperature Characteristic of
Input Sensitivity
Wide Operating Temperature Range:
T A = -25 ° C to +80 ° C
Operation from 12 V to 20 V Input
The KA2803B is designed for use in earth leakage
circuit interrupters, for operation directly off the AC line
in breakers. The input of the differential amplifier is
connected to the secondary coil of ZCT (Zero Current
Transformer). The amplified output of differential
amplifier is integrated at external capacitor to gain
adequate time delay specified in KSC4613. The level
comparator generates a high level when earth leakage
current is greater than the fixed level.
8-DIP
Functions
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Differential Amplifier
Level Comparator
Latch Circuit
8-SOP
Ordering Information
Part Number Operating Temperature Range
Package
Packing Method
KA2803B
-25 to +80°C
8-Lead, Dual Inline Package (DIP)
Tube
? 2000 Fairchild Semiconductor Corporation
KA2803B ? Rev. 1.0.8
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| KA2803BD_11 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Earth Leakage Detector |
| KA2803BDTF | 功能描述:校验器 IC Earth Leak Detector RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| KA2804 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:LINEAR INTEGRATED CIRCUIT |
| KA2804N | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:LINEAR INTEGRATED CIRCUIT |
| KA2807 | 功能描述:SCR Earth Leak Detector RoHS:否 制造商:STMicroelectronics 最大转折电流 IBO:480 A 额定重复关闭状态电压 VDRM:600 V 关闭状态漏泄电流（在 VDRM IDRM 下）:5 uA 开启状态 RMS 电流 (It RMS): 正向电压下降:1.6 V 栅触发电压 (Vgt):1.3 V 最大栅极峰值反向电压:5 V 栅触发电流 (Igt):35 mA 保持电流（Ih 最大值）:75 mA 安装风格:Through Hole 封装 / 箱体:TO-220 封装:Tube |
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