Dongguan Ampfort Electronics Co., Ltd.
| Payment Terms | T/T,Paypal, Western Union |
| Supply Ability | 10,000,000 Pieces Per Month |
| Delivery Time | 2-3 Weeks |
| Packaging Details | Bulk |
| Product name | Leaded Disk SIOV Metal Oxide Varistors 25D821K |
| Lead Style | Straight |
| Application | General Purpose |
| Varistor DC Voltage (@1mA) | 820(738-902) |
| Allowablle Voltage (VACrms) | 510VAC |
| Allowablle Voltage (VDC) | 670VDC |
| Withstanding Surge Current | 15000A |
| Operating Temperature | -40 ~ +85 degC |
| Storage Temperature | -40 ~ +125 degC |
| Disc size | 25mm |
| Brand Name | AMPFORT |
| Model Number | 25D821K |
| Certification | UL,VDE |
| Place of Origin | Dongguan,Guangdong,China |
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Product Specification
| Payment Terms | T/T,Paypal, Western Union | Supply Ability | 10,000,000 Pieces Per Month |
| Delivery Time | 2-3 Weeks | Packaging Details | Bulk |
| Product name | Leaded Disk SIOV Metal Oxide Varistors 25D821K | Lead Style | Straight |
| Application | General Purpose | Varistor DC Voltage (@1mA) | 820(738-902) |
| Allowablle Voltage (VACrms) | 510VAC | Allowablle Voltage (VDC) | 670VDC |
| Withstanding Surge Current | 15000A | Operating Temperature | -40 ~ +85 degC |
| Storage Temperature | -40 ~ +125 degC | Disc size | 25mm |
| Brand Name | AMPFORT | Model Number | 25D821K |
| Certification | UL,VDE | Place of Origin | Dongguan,Guangdong,China |
| High Light | Leaded Disk Metal Oxide Varistor ，25D821K 25mm Metal Oxide Varistor ，P12.5 mov surge protection | ||
Leaded Disk SIOV Metal Oxide Varistors 25D821K 25mm 510VAC 670VDC 15000A P12.5
Construction Of The Leaded Disk SIOV Metal Oxide Varistors 25D821K
Round varistor element, leaded Coating: epoxy resin, flame-retardant to UL 94 V-0 Terminals: tinned wire
Features Of The Leaded Disk SIOV Metal Oxide Varistors 25D821K
• High-energy SuperioR series E4
• All types duty cycle @ 6 kV/ 3 kA = >10 pulses, according to IEC 62368-1; G.8.2 and IEC 60950-1; Annex Q, IEC 61051-2
• UL approval to UL 1449
• Very high surge current rating up to 18 kA
• Wide operating voltage (V1mA) range from 18V to 1800V
• Fast responding to transient over-voltage
• Large absorbing transient energy capability
• Low clamping ratio and no follow-on current
• Meets MSL level 1, per J-STD-020
• Operating Temperature:-40°C ~ +85°C
• Storage Temperature:-40°C ~ +125°C
APPLICATIONS Of The Leaded Disk SIOV Metal Oxide Varistors 25D821K
• Transistor, diode, IC, thyristor or triac semiconductor protection
• Surge protection in consumer electronics
• Surge protection in industrial electronic
• Surge protection in electronic home appliances, gas and petroleum appliances
• Relay and electromagnetic valve surge absorption
Electrical Specification Of The Ø 25D Series Metal Oxide Varistor
Put “J” in free Code Stands For High Surge Series
Part | Vac | Vdc | V1mA | Ip | Vc | Withstanding | Maximum | Rated | C |
| 25D180K | 11 | 14 | 18(15-21.6) | 30 | 36 | 4500 | 20 | 0.25 | 45000 |
| 25D220K | 14 | 18 | 22(19.5-26) | 30 | 43 | 4500 | 25 | 0.25 | 29000 |
| 25D270K | 17 | 22 | 27(24-31) | 30 | 53 | 4500 | 30 | 0.25 | 26500 |
| 25D330K | 20 | 26 | 33(29.5-36.5) | 30 | 65 | 4500 | 35 | 0.25 | 18000 |
| 25D390K | 25 | 31 | 39(35-43) | 30 | 77 | 4500 | 40 | 390 | 13500 |
| 25D470K | 30 | 38 | 47(42-54) | 30 | 93 | 4500 | 50 | 0.25 | 11500 |
| 25D560K | 35 | 45 | 56(50-62) | 30 | 110 | 4500 | 60 | 0.25 | 10500 |
| 25D680K | 40 | 56 | 68(61-75) | 30 | 135 | 4500 | 70 | 0.25 | 9050 |
| 25D820K | 50 | 65 | 82(74-90) | 150 | 135 | 15000 | 80 | 1.2 | 7700 |
| 25D101K | 60 | 85 | 100(90-110) | 150 | 165 | 15000 | 100 | 1.2 | 6300 |
| 25D121K | 75 | 100 | 120(108-132) | 150 | 200 | 15000 | 120 | 1.2 | 5200 |
| 25D151K | 95 | 125 | 150(135-165) | 150 | 250 | 1500 | 160 | 1.2 | 4300 |
| 25D181K | 115 | 150 | 180(162-198) | 150 | 300 | 15000 | 175 | 1.2 | 3500 |
| 25D201K | 130 | 170 | 200(180-220) | 150 | 340 | 15000 | 190 | 1.2 | 3200 |
| 25D221K | 140 | 180 | 220(198-242) | 150 | 360 | 15000 | 200 | 1.2 | 2900 |
| 25D241K | 150 | 200 | 240(216-264) | 150 | 395 | 15000 | 220 | 1.2 | 2650 |
| 25D271K | 175 | 225 | 270(243-297) | 150 | 455 | 15000 | 255 | 1.2 | 2400 |
| 25D301K | 190 | 250 | 300(270-330) | 150 | 500 | 15000 | 275 | 1.2 | 2100 |
| 25D331K | 210 | 275 | 330(297-363) | 150 | 550 | 15000 | 300 | 1.2 | 1900 |
| 25D361K | 230 | 300 | 360(324-396) | 150 | 595 | 15000 | 330 | 1.2 | 1750 |
| 25D391K | 250 | 320 | 390(351-429) | 150 | 650 | 15000 | 360 | 1.2 | 1600 |
| 25D431K | 275 | 350 | 430(387-473) | 150 | 710 | 15000 | 380 | 1.2 | 1500 |
| 25D471K | 300 | 385 | 470(423-517) | 150 | 775 | 15000 | 400 | 1.2 | 1400 |
| 25D511K | 320 | 415 | 510(459-561) | 150 | 845 | 15000 | 420 | 1.2 | 1250 |
| 25D561K | 350 | 460 | 560(504-616) | 150 | 925 | 15000 | 440 | 1.2 | 1150 |
| 25D621K | 385 | 505 | 620(558-682) | 150 | 1025 | 15000 | 450 | 1.2 | 1050 |
| 25D681K | 420 | 560 | 680(612-748) | 150 | 1120 | 15000 | 460 | 1.2 | 950 |
| 25D751K | 460 | 615 | 750(675-825) | 150 | 1240 | 15000 | 510 | 1.2 | 850 |
| 25D781K | 485 | 640 | 780(702-858) | 150 | 1290 | 15000 | 530 | 1.2 | 850 |
| 25D821K | 510 | 670 | 820(738-902) | 150 | 1355 | 15000 | 570 | 1.2 | 800 |
| 25D911K | 550 | 745 | 910(819-1001) | 150 | 1500 | 15000 | 620 | 1.2 | 700 |
| 25D102K | 625 | 825 | 1000(900-1100) | 150 | 1650 | 15000 | 685 | 1.2 | 650 |
| 25D112K | 680 | 895 | 1100(990-1210) | 150 | 1815 | 15000 | 720 | 1.2 | 600 |
| 25D122K | 750 | 990 | 1200(1080-1320) | 150 | 1980 | 15000 | 792 | 1.2 | 550 |
| 25D142K | 880 | 1140 | 1400(1260-1540) | 150 | 2310 | 15000 | 850 | 1.2 | 500 |
| 25D162K | 1000 | 1280 | 1600(1440-1760) | 150 | 2640 | 15000 | 970 | 1.2 | 450 |
| 25D182K | 1100 | 1465 | 1800(1620-1980) | 150 | 2970 | 15000 | 1092 | 1.2 | 400 |
CIRCUIT PROTECTION DEVICE SELECTION METHOD
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter
Year Established:
2014
Total Annual:
1850000-2340000
Employee Number:
51~200
Ecer Certification：
Verified Supplier
Dongguan Ampfort Electronics Co., Ltd. is a high-tech enterprise specializing in R&D, manufacturing and sales, committed to becoming a comprehensive supplier of circuit protection components. We introduced advanced quality system,management systems and high-precision automation equipm... Dongguan Ampfort Electronics Co., Ltd. is a high-tech enterprise specializing in R&D, manufacturing and sales, committed to becoming a comprehensive supplier of circuit protection components. We introduced advanced quality system,management systems and high-precision automation equipm...
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