LX25D Metal Oxide Varistors
This product meets the standard: GB18802.1-2011 GB/T27746-2011 , IEC 61643-331:2020
Model naming
Typical shape
| Model | Meaning | ||
| R1-2B | R1：OBO type | 2：Electrode model | B：Welds |
| R2-1B | R2：Shield type | 1：Electrode model | B：Welds |
| XDL-3C | XDL:Citel type | 3：Electrode model | C：Package sheet |
| A：MOV A piece of silver | B：Welds | C：MOV Package sheet | |
Current rating
| Nominal equivalent diameter（mm） | 14 | 20 | 25 | 32 | 40 | 50 |
| Standard level（S） | ||||||
| Nominal discharge current In（kA） | 2.5 | 4 | 6 | 10 | 20 | 25 |
| Maximum discharge current Imax（kA） | 5 | 8 | 12 | 20 | 40 | 60 |
| Wide wave shock current ILP(A) | 27 | 45 | 72 | 112 | 180 | 270 |
| High pressure flow level（H） | ||||||
| Nominal discharge current In（kA） | 3 | 5 | 8 | 12.5 | 20 | 30 |
| Maximum discharge current Imax（kA） | 6 | 10 | 16 | 25 | 50 | 70 |
| Wide wave shock current ILP(A) | 34 | 57 | 90 | 140 | 225 | 335 |
| UHV current level (U) | ||||||
| Nominal discharge current In（kA） | 4 | 6.5 | 10 | 16 | 26 | |
| Maximum discharge current Imax（kA） | 8 | 13 | 20 | 32 | 65 | |
| Wide wave shock current ILP(A) | 45 | 75 | 115 | 180 | 290 | |
| Grade current IcI（A） | 50 | 100 | 150 | 200 | 300 | 450 |
| +25℃ Lower DC leakage current Ild ≤ （uA） | 15 | 20 | 25 | 35 | 40 | 40 |
| +85℃ Lower DC leakage current Ild ≤ （uA） | 30 | 30 | 40 | 40 | 40 | 60 |
For details, please refer to: voltage sensitive resistor (MOV) specification for SPD in low voltage systems
Voltage rating
| Varistor voltage Un（V）（U1mA） | Maximum continuous voltage（V） | Limited voltage（V） | ||
| Communication Uc | Direct Ucd | Grade limit voltage Ucic | Limited voltage under In Ucin | |
| 205 | 130 | 170 | 340 | 520 |
| 220 | 140 | 180 | 260 | 550 |
| 240 | 150 | 200 | 395 | 605 |
| 275 | 175 | 225 | 455 | 695 |
| 300 | 195 | 250 | 505 | 770 |
| 330 | 210 | 270 | 545 | 835 |
| 360 | 230 | 300 | 595 | 910 |
| 390 | 250 | 320 | 650 | 985 |
| 430 | 275 | 350 | 710 | 1090 |
| 470 | 300 | 385 | 775 | 1190 |
| 510 | 320 | 410 | 845 | 1290 |
| 560 | 350 | 450 | 930 | 1420 |
| 620 | 385 | 505 | 1025 | 1575 |
| 680 | 420 | 560 | 1120 | 1720 |
| 750 | 460 | 615 | 1240 | 1900 |
| 820 | 510 | 670 | 1355 | 2070 |
| 910 | 550 | 745 | 1500 | 2300 |
| 1000 | 625 | 825 | 1650 | 2530 |
| 1100 | 680 | 895 | 1815 | 2780 |
| 1200 | 750 | 1060 | 2000 | 3040 |
| 1300 | 810 | 1150 | 2160 | 3300 |
Technical parameter
| Model | Varistor voltage Un（U1mA） | Maximum continuous operating voltage | Nominal discharge current（8/20us） | Maximum discharge current（8/20us） | Maximum limit voltage UcIn | |
| Uac | Udc | In | Imax | （Limited voltage under In） | ||
| V | V | V | kA | kA | V | |
| LX25D301K | 300 | 195 | 250 | 12 | 25 | 770 |
| LX25D331K | 330 | 210 | 270 | 12 | 25 | 835 |
| LX25D361K | 260 | 230 | 300 | 12 | 25 | 910 |
| LX25D391K | 390 | 250 | 320 | 12 | 25 | 985 |
| LX25D431K | 430 | 275 | 350 | 12 | 25 | 1090 |
| LX25D471K | 470 | 300 | 385 | 12 | 25 | 1190 |
| LX25D511K | 510 | 320 | 410 | 12 | 25 | 1290 |
| LX25D561K | 560 | 350 | 450 | 12 | 25 | 1420 |
| LX25D621K | 620 | 385 | 505 | 12 | 25 | 1575 |
| LX25D681K | 680 | 420 | 560 | 12 | 25 | 1720 |
| LX25D751K | 750 | 460 | 615 | 12 | 25 | 1900 |
| LX25D821K | 820 | 510 | 670 | 12 | 25 | 2070 |
| LX25D911K | 910 | 550 | 745 | 12 | 25 | 2300 |
| LX25D102K | 1000 | 625 | 825 | 12 | 25 | 2530 |
| LX25D112K | 1100 | 680 | 895 | 12 | 25 | 2780 |
| LX25D122K | 1200 | 750 | 1060 | 12 | 25 | 3040 |
| LX25D132K | 1300 | 815 | 1150 | 12 | 25 | 3290 |
