25D Series Metal Oxide Varistor
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25D Series Metal Oxide Varistor

The body of the varistor is a matrix structure composed of oxide particles. The grain boundary between the particles is similar to the electrical features of the bidirectional PN junction. When the voltage is low, these grain boundaries are in a high impedance state, when the voltage is high, they turn into the breakdown state. MOV is a nonlinear device.
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 Specifications

  • Certification: RoHS

  • Diameters: 5mm-34mm

  • High surge absorption capability

  • Voltage range from 18V to 1800V

  • Surge current up to 70kA

  • Excellent clamping performance

  • Fast response time


Application:

  • Communication base station power supply

  • Railway signal power supply

  • 1000V the following low voltage distribution equipment, control equipment and so on.

  • Distribution of buildings

  • Welding machine


※ Disclaimer

Users should verify actual device performance in their specific applications.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.


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Product shape

Series

Varistor voltage

T max

图片2

25D

201-271

7.5

301-621

9.2

681-911

11.2

102-122

12.8

142-182

16


Part NO. Varistor Voltage Maximum allowable voltage Maximum Limited Voltage Withstanding Surge current (8/20μs)
   times
Rated Wattage Energy (2ms) Typical Capacitance
1mA AC DC V150A I max In (W) (J) 1KHz
(V) (V) (V) (KA) (PF)
25D201K 200 185-225 130 170 340 20 10 1.0 125 2.4K
25D221K 220 198-242 140 180 360 20 10 1.0 130 2.2k
25D241K 240 216-264 150 200 395 20 10 1.0 145 2.0K
25D271K 270 243-297 175 225 455 20 10 1.0 170 1.7K
25D301K 300 270-330 190 250 500 20 10 1.0 180 1.6K
25D331K 330 297-363 210 275 550 20 10 1.0 185 1.5K
25D361K 360 324-396 230 300 595 20 10 1.0 190 1.4K
25D391K 390 351-429 250 320 650 20 10 1.0 210 1.2K
25D431K 430 387-473 275 350 710 20 10 1.0 225 1.1K
25D471K 470 423-517 300 385 775 20 10 1.0 225 1.05K
25D511K 510 459-561 320 415 845 20 10 1.0 230 1.0K
25D561K 560 504-616 350 460 925 20 10 1.0 230 0.95K
25D621K 620 558-682 385 505 1025 20 10 1.0 230 0.90K
25D681K 680 612-748 420 560 1120 20 10 1.0 250 0.85K
25D821K 820 738-902 510 670 1355 20 10 1.0 300 0.70K
25D911K 910 819-1001 550 745 1500 20 10 1.0 340 0.65K
25D102K 1.0K 900-1000 625 825 1650 20 10 1.0 375 0.60K
25D122K 1.2K 1080-1320 750 980 1980 20 10 1.0 400 0.55K
25D152K 1.4K 1150-1650 900 1220 2475 20 10 1.0 500 0.52K
25D182K 1.8K 1620-1980 1000 1465 2970 20 10 1.0 700 0.45K

Note: Voltage-sensitive voltage test current DC1Ma working environment temperature: - 45 ~85, intensified temperature: - 45 +125, temperature change rate of voltage-sensitive voltage: < 0.05/

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