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参数资料
| 型号： | XG2N |
| 元件分类： | 功率/信号继电器 |
| 英文描述： | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.056A (COIL), 28VDC (COIL), 1568mW (COIL), 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| 文件页数： | 13/16页 |
| 文件大小： | 1015K |
| 代理商： | XG2N |
Application notes
N°102
RELAYS AND TEMPERATURE VARIATIONS
Most relay parameters are specified as maximum values over the rated temperature range of the specific relay. Users often
find that key parameters differ significantly at ambient temperature (20-25°C) and sometimes fall into the trap of specifying
their system around these ambient parameters. Additionally the actual temperature experienced by the relay can be far in
excess of existing ambient temperatures due to the heat generated by the coil current and the contact load. Figure 1 is the
summary of temperature effects on relay electrical characteristics.
Temperature
Resistance
Current
Operating
Voltage
Release
Voltage
Operate Time
Release Time
Increase
UP
DOWN
UP
Decrease
DOWN
UP
DOWN
Fig. 1
The following formulas are sometimes useful in calculating the effects shown above.
1. Change in coil resistance due to change of ambient temperature can be calculated by the following formula.
R = R20 [1 + .0039 (T-20)]
Where: R = Coil resistance at given temperature
R20 = Coil resistance at 20°C
T = °C Ambient temperature
"Rule of Thumb" : For each 10°C change of temperature, coil resistance will change approximately 4%.
2. High and low temperature pick up voltage:
E2 = E1K2,
Where: E2 = Pick Up Voltage at T2 temperature
E1 = Pick Up Voltage at 20°C
K2 = Coefficient of correction found on the graph in Fig. 2 at T2
Date of issue: 6/00
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相关PDF资料 |
PDF描述 |
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| XG2A | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.056A (COIL), 28VDC (COIL), 1568mW (COIL), 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| XE4N | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.056A (COIL), 28VDC (COIL), 1568mW (COIL), 5A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT |
| XE4B | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.096A (COIL), 12VDC (COIL), 1152mW (COIL), 5A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT |
| XA4V | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.3A (COIL), 6VDC (COIL), 1800mW (COIL), 5A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT |
| XA4N | POWER/SIGNAL RELAY, DPDT, MOMENTARY, 0.056A (COIL), 28VDC (COIL), 1568mW (COIL), 5A (CONTACT), 28VDC (CONTACT), SOCKET MOUNT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| X-G2N | 制造商:Leach International Corporation 功能描述:MID RANGE - Bulk |
| XG2-T | 功能描述:CONF MODULE POWER 3.2-6VDC 40A RoHS:是 类别:电源 - 外部/内部（非板载） >> AC DC 模块化可配置开关电源模块 系列:powerMods 标准包装:1 系列:powerMods 用户配置:Configurator 类型:DC 输出模块，单 - 共形涂覆 功率（瓦特）:288W 电流:6A 输出电压:48.0 标称值，28.0 ~ 58.0 范围 其它名称:633-1281XG5-T-ND |
| XG2Z | 制造商:OMRON 制造商全称:Omron Electronics LLC 功能描述:Screw Terminal Block Cables |
| XG3 | 功能描述:MODULE POWER 6VDC-15VDC 20A RoHS:是 类别:电源 - 外部/内部（非板载） >> AC DC 模块化可配置开关电源模块 系列:powerMods 标准包装:1 系列:powerMods 用户配置:Configurator 类型:DC 输出模块，单 - 共形涂覆 功率（瓦特）:288W 电流:6A 输出电压:48.0 标称值，28.0 ~ 58.0 范围 其它名称:633-1281XG5-T-ND |
| XG33-50 | 制造商:Schneider Electric 功能描述:POWER SUPPLY 150V |
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