参数资料
型号: WB260A1CD
元件分类: 功率/信号继电器
英文描述: POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.15A (COIL), 6VDC (COIL), 900mW (COIL), 2A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT
文件页数: 9/11页
文件大小: 460K
代理商: WB260A1CD
Types of suppressors:
Passive devices.
The resistor capacitor circuit
It eliminates the power dissipation problem, as well as fast voltage rises. With a proper match between coil and resistor,
approximate capacitance value can be calculated from:
C = 0.02xT/R, where
T = operating time in milliseconds
R = coil resistance in kiloOhms
C = capacitance in microFarads
The series resistor must be between 0.5 and 1 times the coil resistance. Special consideration must be taken for the
capacitor inrush current in the case of a low resistance coil.
The record shown opposite is performed on the same relay as above. The operation time becomes:
- time to start the movement 2.3ms
- transfer time 1.2ms
The major difficulty comes from the capacitor volume. In our example of a relay with a 290
coil and time delay of 8 ms, a
capacitance value of C=0.5 uF is found. This non polarized capacitor, with a voltage of 63V minimum, has a volume of about
1cm3. For 150V, this volume becomes 1.5 cm3.
Date of issue: 6/00
- 9 -
Page 2 of 4
相关PDF资料
PDF描述
WB260A1BD POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.075A (COIL), 12VDC (COIL), 900mW (COIL), 2A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT
WB260A1AD POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.038A (COIL), 26.5VDC (COIL), 1007mW (COIL), 2A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT
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WBLXT975BHCA8 DATACOM, ETHERNET TRANSCEIVER, PQFP160
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相关代理商/技术参数
参数描述
WB260-F1AD 制造商:Leach International Corporation 功能描述:TERMINAL & SPLICE - Bulk
WB2644M 功能描述:连接线 WIRE WRAPPING BIT, 26 AWG RoHS:否 制造商:Belden Wire & Cable 绞合:19 x 32 电压额定值:1 kV 长度:1000 ft 线规 - 美国线规(AWG):20 绝缘材料:Tetraflouroethylene (TFE) 最大温度:+ 200 C 类型:High Temperature, High Voltage 外壳颜色:Blue (Light) 系列:83027
WB265 制造商:Molex 功能描述:WELDING HOSE REEL, 65 HOSE
WB2669M 功能描述:连接线 WIRE WRAPPING BIT, 26 AWG RoHS:否 制造商:Belden Wire & Cable 绞合:19 x 32 电压额定值:1 kV 长度:1000 ft 线规 - 美国线规(AWG):20 绝缘材料:Tetraflouroethylene (TFE) 最大温度:+ 200 C 类型:High Temperature, High Voltage 外壳颜色:Blue (Light) 系列:83027
WB26M 功能描述:连接线 WIRE WRAPPING BIT 26 AWG RoHS:否 制造商:Belden Wire & Cable 绞合:19 x 32 电压额定值:1 kV 长度:1000 ft 线规 - 美国线规(AWG):20 绝缘材料:Tetraflouroethylene (TFE) 最大温度:+ 200 C 类型:High Temperature, High Voltage 外壳颜色:Blue (Light) 系列:83027