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25D621K / 25D621KJ D25 MOV DISC 25MM 620V 15KA Varistor Components
DATASHEET: 25D Series_v2306.1.pdf
| Type Number | Maximum Allowable voltage | Varistor Voltage | Maximum Clamping Voltage | Withstanding Surge Current 8/20μS | Rated Power |
Energy (10/1000μs)
| Capacitance | ||||
| Standard | High Surge | VAC (V) | VDC (V) | V 1mA (V) | IP (A) | VC (V) | Standard (A) | High Surge (A) | (W) | (J) | @1KHZ (pF) |
| 1 Time | 1 Time | ||||||||||
| 25D101K | 25D101KJ | 60 | 85 | 100(90-110) | 150 | 165 | 10000 | 20000 | 1.4 | 100 | 6300 |
| 25D201K | 25D201KJ | 130 | 170 | 200(185-225) | 150 | 330 | 15000 | 20000 | 1.0 | 215 | 2000 |
| 25D221K | 25D221KJ | 140 | 180 | 220(198-242) | 150 | 360 | 15000 | 20000 | 1.0 | 235 | 1800 |
| 25D241K | 25D241KJ | 150 | 200 | 240(216-264) | 150 | 395 | 15000 | 20000 | 1.0 | 245 | 1650 |
| 25D271K | 25D271KJ | 175 | 225 | 270(243-297) | 150 | 455 | 15000 | 20000 | 1.0 | 260 | 1500 |
| 25D301K | 25D301KJ | 190 | 250 | 300(270-330) | 150 | 505 | 15000 | 20000 | 1.0 | 275 | 1300 |
| 25D331K | 25D331KJ | 210 | 275 | 330(297-363) | 150 | 550 | 15000 | 20000 | 1.0 | 295 | 1200 |
| 25D361K | 25D361KJ | 230 | 300 | 360(324-396) | 150 | 595 | 15000 | 20000 | 1.0 | 305 | 1100 |
| 25D391K | 25D391KJ | 250 | 320 | 390(351-429) | 150 | 650 | 15000 | 20000 | 1.0 | 335 | 1000 |
| 25D431K | 25D431KJ | 275 | 350 | 430(387-473) | 150 | 710 | 15000 | 20000 | 1.0 | 365 | 930 |
| 25D471K | 25D471KJ | 300 | 385 | 470(423-517) | 150 | 775 | 15000 | 20000 | 1.0 | 390 | 850 |
| 25D511K | 25D511KJ | 320 | 415 | 510(459-561) | 150 | 845 | 15000 | 20000 | 1.0 | 440 | 780 |
| 25D561K | 25D561KJ | 350 | 460 | 560(504-616) | 150 | 920 | 15000 | 20000 | 1.0 | 490 | 715 |
| 25D621K | 25D621KJ | 385 | 505 | 620(558-682) | 150 | 1025 | 15000 | 20000 | 1.0 | 540 | 650 |
| 25D681K | 25D681KJ | 420 | 560 | 680(612-748) | 150 | 1120 | 15000 | 20000 | 1.0 | 570 | 600 |
| 25D751K | 25D751KJ | 460 | 615 | 750(675-825) | 150 | 1240 | 15000 | 20000 | 1.0 | 590 | 530 |
| 25D781K | 25D781KJ | 485 | 640 | 780(702-858) | 150 | 1290 | 15000 | 20000 | 1.0 | 620 | 510 |
| 25D821K | 25D821KJ | 510 | 670 | 820(738-902) | 150 | 1355 | 15000 | 20000 | 1.0 | 655 | 500 |
| 25D911K | 25D911KJ | 550 | 745 | 910(819-1001) | 150 | 1500 | 15000 | 20000 | 1.0 | 726 | 440 |
| 25D102K | 25D102KJ | 625 | 825 | 1000(900-1100) | 150 | 1650 | 15000 | 20000 | 1.0 | 685 | 650 |
| 25D112K | 25D112KJ | 680 | 895 | 1100(990-1210) | 150 | 1815 | 15000 | 20000 | 1.0 | 770 | 600 |
| 25D122K | 25D122KJ | 750 | 990 | 1200(1080-1320) | 150 | 1980 | 15000 | 20000 | 1.0 | 770 | 550 |
About Varistor
Varistor is a semiconductor voltage-limiting surge device made of sintered zinc oxide.
It is widely used in electronic circuits for protection due to its excellent nonlinear characteristics and super surge absorption capabilities.
Advantages of varistor:
1. The flow rate is large (100A~70kA). The larger the volume, the greater the surge current it can withstand.
2. Complete varieties and wide range of uses
Disadvantages of varistor:
1. The nonlinear characteristics of the varistor are poor (the dynamic resistance is large)
2. The limiting voltage (clamping voltage) is higher when the current is large.
3. The leakage current is larger at low voltage and is easier to age.
Description:
The 25D series radial leaded varistors provides an ideal circuit
protection solution for lower DC voltage applications by offering
higher surge ratings than ever before available in such small
discs.
The maximum peak surge current rating can reach up to 20KA (8/20 μs
pulse) to protect against high peak surges, including indirect
lightning strike interference, system switching transients and
abnormal fast transients from the power source.
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Working Surface Temperature | +115℃ |
| Insulation Resistance | > 100MΩ |
| Coating (Epoxy Resin) | Flame-Retardant to UL 94 V-0 |
| Coating | Epoxy Resin |
| Lead Wire | The Copper Wire |
| Electrode | Silver Solder |
| Disk | Zinc Oxide |
| Dimension | Part Number | Bag | Small Carton | Carton |
| 25D | 25DXXXXX | 100 PCS | 1000 PCS | 2000 PCS |
Please do not hesitate to contact us soon for further information. Your OEM/ODM orders are welcome. We are looking forward to establishing cooperative relationships with you in the near futu
