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參數資料
型號: GP250720EDC26V
廠商: Electronic Theatre Controls, Inc.
英文描述: RELAY - LATCH 2 PDT, 2 AMP
中文描述: 繼電器-鎖存2秒,2安培
文件頁數: 8/9頁
文件大小: 314K
代理商: GP250720EDC26V
The resistor (parallel with the coil)
For efficient action, the resistor must be of the same order of magnitude as the coil resistance. A resistor 1.5 times the coil
resistance will limit the surge to 1.5 times the supply voltage. Release time and opening speed are moderately affected. The
major problem is the extra power dissipated.
Semi-conductor devices
The diode
It is the most simple method to totally suppress the surge voltage. It has the major disadvantage of the higher reduction of
contact opening speed. This is due to the total recycling, through the diode, of the energy contained in the coil itself. The
following measurement is performed once again on the same relay. Operation times are given by the upper curve:
- time to start the movement 14ms
- transfer time 5ms
These times are multiplied by a coefficient from 4 to 8.
The lower curve shows the coil current. The increase prior to NO contact opening indicates that the contact spring dissipates
its energy. At the opening time the current becomes constant as a result of practically zero opening speed.
Due to this kind of behavior, this type of suppression must be avoided for power relays. For small relays which have to switch
low currents of less than 0.2 A, degradation of life is not that significant and the method may be acceptable.
Date of issue: 6/00
- 10 -
相關PDF資料
PDF描述
GP250720EDJ06V RELAY - LATCH 2 PDT, 2 AMP
GP250720EDJ26V RELAY - LATCH 2 PDT, 2 AMP
GP250720EHA06V RELAY - LATCH 2 PDT, 2 AMP
GP250720EHA26V RELAY - LATCH 2 PDT, 2 AMP
GP250720F0006V RELAY - LATCH 2 PDT, 2 AMP
相關代理商/技術參數
參數描述
GP250720EDJ06V 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RELAY - LATCH 2 PDT, 2 AMP
GP250720EDJ26V 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RELAY - LATCH 2 PDT, 2 AMP
GP250720EHA06V 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RELAY - LATCH 2 PDT, 2 AMP
GP250720EHA26V 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RELAY - LATCH 2 PDT, 2 AMP
GP250720F0006V 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RELAY - LATCH 2 PDT, 2 AMP
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