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Product Details:
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| Features: | Fast Response Time | Application: | Power Inverter / New Energy |
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| Material: | Zinc Oxide | Max. Allowable Voltage: | AC : 550V DC: 745（V) |
| Varistor Voltage: | 819-1001(V) | TRated Wattage: | 1.2 (W) |
| Max. Clamping Voltage: | IP: 150(A) VC: 1500(V) | Withstanding Surge Current: | 1time:15000(A) 2time:18000(A) |
| Max. Energy: | 510(J) | Typical Capacitance: | 700(pf) |
| Nonlinear Exponent(α): | ≧40 | Temperature Coefficient Of Varistor Voltage: | ≦±0.05%/℃ MAX. |
| Highlight: | 25D911K zinc oxide MOV varistor,DC 745V zinc oxide MOV varistor,Power Supply MOV zinc oxide varistor |
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| SPECIFCATION | NO. | ||||||||
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PART NO. |
25D911K | PAGE 1 OF 2 | |||||||
| DATE:2023年09月07日 | |||||||||
| 1.OUTLINE | |||||||||
| 1.1 | APPEARANCE | Without Any Crack, Marking Should Be Clear | |||||||
| 1.2 | DIMENSIONS | DIMENSIONS (mm) | |||||||
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D (max) | 28.0 | |||||||
| H (max) | 32.0 | ||||||||
| T (max) | 8.7 | ||||||||
| d(±0.02) | 1.0 | ||||||||
| E(±1.0) | 10.0 | ||||||||
| 2.ELETRICAL PARAMETER | |||||||||
| 2.1 | Max. Allowable Voltage | AC: 550(V) | At 1 mA DC | ||||||
| DC: 745(V) | |||||||||
| 2.2 | Varistor Voltage | 819-1001(V) | VO.1 mA□ V1.0 mA▓ | ||||||
| 2.3 | Rated Wattage | 1.2(W) | |||||||
| 2.4 | Max. Clamping Voltage | IP: 150(A) |
Test Current Waveform 8/20μs |
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| VC: 1500(V) | |||||||||
| 2.5 | Withstanding Surge Current | 1time:15000(A) |
Test Current Waveform 8/20μs |
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| 2time:18000(A) | |||||||||
| 2.6 | Max. Energy | 510(J) |
Test Current Waveform 10/1000μs |
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| 2.7 | Typical Capacitance | 620(pf) | @1KHz | ||||||
| 2.8 | Leakage Current | ≦200(μA) | At 80% of Varistor Voltage | ||||||
| 2.9 | Nonlinear Exponent(α) | ≧40 | |
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| 2.10 | Temperature Coefficient Of Varistor Voltage |
≦±0.05%/℃ MAX. |
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| 2.11 | Impulse Life | ≦±10%(V1 mA) |
Test Current Waveform 8/20μs |
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| SPECIFCATION | NO. | |||||||
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PART NO. |
25D511K | PAGE 2 OF 2 | ||||||
| DATE: 2023年09月06日 | ||||||||
| 3. Mechanical Requirements | ||||||||
| 3.1 | Tensile of Terminations | No Outstanding Damage | 1Kgf, 10Sec | |||||
| 3.2 | Bending of Terminations | No Outstanding Damage | 0.5Kgs,90°,3Times | |||||
| 3.3 | Vibration | No Outstanding Damage |
Freq: 10-55hz Amp: 0.75 mm, 1Min |
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| 3.4 | Solderability | Min.95% of The Terminal Should Be Covered With Solder Uniformly |
Solder Temp:230±5℃ Immersed Time:2±0.5Sec |
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| 3.5 | Resistance of soldering Heat |
≤±5% |
Solder Temp:260±5℃ | |||||
| Immersed Time:10±1Sec | ||||||||
| 4．Environmental Requirements | ||||||||
| 4.1 | High Temperature Storage |
≤±5% |
Ambient Temp:125±2℃ Duration: 1000h |
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| 4.2 | Low Temperature Storage |
≤±5% |
Ambient Temp:-40±2℃ Duration: 1000h |
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| 4.3 | High Humidity Storage/Damp Heat |
≤±5% |
Ambient Temp:40±2℃ 90-95%R.H. Duration: 1000h |
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| 4.4 | Temperature Cycle |
≤±5% |
Step | Temperature | Period | |||
| 1 | -40℃ | 30min | ||||||
| 2 | Room Temp | 15min | ||||||
| 3 | 125℃ | 30min | ||||||
| 4 | Room Temp | 15min | ||||||
| 4.5 | High Temperature Load |
≤±10% |
Ambient Temp:85±2℃ Duration:1000h Load:Max Allowable Voltage |
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| 4.6 | High Humidity load |
≤±10% |
Ambient Temp:125±2℃ Duration:1000h Load:Max Allowable Voltage |
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| 4.7 | Operating Temperature Range | -40℃～+85℃ | -40℃～+85℃ | |||||
| 4.8 | Storage Temperature Range | -40℃～+125℃ | -40℃～+125℃ | |||||
MOV-25D Metal Oxide Varistor A Voltage-Limiting Protection Device Connected In Parallel To The Line
"Varistor" is a resistive device with nonlinear volt-ampere characteristics. It is mainly used for voltage clamping when the circuit is subjected to overvoltage, and absorbs excess current to protect sensitive devices. The English name is "Voltage Dependent Resistor", abbreviated as "VDR", or "Varistor". The resistor material of the varistor is a semiconductor, so it is a variety of semiconductor resistors. Now widely used "zinc oxide" (ZnO) varistor, its main material is composed of divalent element zinc (Zn) and hexavalent element oxygen (O). Therefore, from the material point of view, the zinc oxide varistor is a "II-VI oxide semiconductor". In Taiwan, China, varistors are called "surge absorbers", sometimes also called "electric shock (surge) suppressors (absorbers)".
The varistor is a voltage limiting protection device. Utilizing the nonlinear characteristics of the varistor, when an overvoltage occurs between the two poles of the varistor, the varistor can clamp the voltage to a relatively fixed voltage value, thereby realizing the protection of the subsequent circuit. The main parameters of varistors are: varistor voltage, flow capacity, junction capacitance, response time, etc.
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Model Number
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25D 181K 390K 431K 470K 471K 511K 561K 680K 681K 821K 102K
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Package
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Varistors
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D/C
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Newest
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Condition
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New & Original
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Lead time
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Within 1 day
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Unit Price
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Contact us for latest price
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More details
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Please contact us
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Applications:
Varistors may be used in many applications, including:
• Computers
• Timers
• Amplifiers
• Oscilloscopes
• Medical analysis equipment
• Street lighting
• Tuners
Competitive Advantage:
Specifications:
| Part Number | Vac(V) | Vdc(V) | V1mA(V) | Ip(A) | Vac(V) | I(A)Standard | I(A)High Surge | (J)Standard | (J)High Surge | Rated power(W) |
C@ 1KHz (pf) |
| 25D180K(J) | 11 | 14 | 18(15-21.6) | 30 | 40 | 3000 | 4500 | 13 | 20 | 0.25 | 45000 |
| 25D220K(J) | 14 | 18 | 22(19.5-26) | 30 | 48 | 3000 | 4500 | 16 | 25 | 0.25 | 29000 |
| 25D270K(J) | 17 | 22 | 27(24-31) | 30 | 60 | 3000 | 4500 | 19 | 30 | 0.25 | 26500 |
| 25D330K(J) | 20 | 26 | 33(29.5-36.5) | 30 | 73 | 3000 | 4500 | 24 | 35 | 0.25 | 18000 |
| 25D390K(J) | 25 | 31 | 39(35-43) | 30 | 80 | 3000 | 4500 | 28 | 40 | 0.25 | 13500 |
| 25D470K(J) | 30 | 38 | 47(42-52) | 30 | 104 | 3000 | 4500 | 34 | 50 | 0.25 | 11500 |
| 25D560K(J) | 35 | 45 | 56(50-62) | 30 | 123 | 3000 | 4500 | 40 | 60 | 0.25 | 10500 |
| 25D680K(J) | 40 | 56 | 68(61-75) | 30 | 145 | 3000 | 4500 | 49 | 70 | 0.25 | 9050 |
| 25D820K(J) | 50 | 65 | 82(74-90) | 150 | 150 | 15000 | 18000 | 56 | 80 | 1.2 | 7700 |
| 25D101K(J) | 60 | 85 | 100(90-110) | 150 | 175 | 15000 | 18000 | 70 | 100 | 1.2 | 6300 |
| 25D121K(J) | 75 | 100 | 120(108-132) | 150 | 210 | 15000 | 18000 | 85 | 120 | 1.2 | 5200 |
| 25D151K(J) | 95 | 125 | 150(135-165) | 150 | 260 | 15000 | 18000 | 106 | 160 | 1.2 | 4300 |
| 25D181K(J) | 115 | 150 | 180(162-198) | 150 | 320 | 15000 | 18000 | 130 | 175 | 1.2 | 3500 |
| 25D201K(J) | 130 | 170 | 200(180-220) | 150 | 340 | 15000 | 18000 | 140 | 190 | 1.2 | 3200 |
| 25D221K(J) | 140 | 180 | 220(198-242) | 150 | 360 | 15000 | 18000 | 1155 | 200 | 1.2 | 2900 |
| 25D241K(J) | 150 | 200 | 240(216-264) | 150 | 395 | 15000 | 18000 | 168 | 220 | 1.2 | 2650 |
| 25D271K(J) | 175 | 225 | 270(243-297) | 150 | 455 | 15000 | 18000 | 190 | 255 | 1.2 | 2400 |
| 25D301K(J) | 190 | 250 | 300(270-330) | 150 | 500 | 15000 | 18000 | 210 | 275 | 1.2 | 2100 |
| 25D331K(J) | 210 | 275 | 330(297-363) | 150 | 550 | 15000 | 18000 | 228 | 300 | 1.2 | 1900 |
| 25D361K(J) | 230 | 300 | 360(324-396) | 150 | 595 | 15000 | 18000 | 255 | 330 | 1.2 | 1750 |
| 25D391K(J) | 250 | 320 | 390(351-429) | 150 | 650 | 15000 | 18000 | 275 | 360 | 1.2 | 1600 |
| 25D431K(J) | 275 | 350 | 430(387-473) | 150 | 710 | 15000 | 18000 | 305 | 380 | 1.2 | 1500 |
| 25D471K(J) | 300 | 385 | 470(423-517) | 150 | 775 | 15000 | 18000 | 350 | 400 | 1.2 | 1400 |
| 25D511K(J) | 320 | 415 | 510(459-561) | 150 | 845 | 15000 | 18000 | 361 | 420 | 1.2 | 1250 |
| 25D561K(J) | 350 | 460 | 560(504-616) | 150 | 925 | 15000 | 18000 | 380 | 440 | 1.2 | 1150 |
| 25D621K(J) | 385 | 505 | 620(558-682) | 150 | 1025 | 15000 | 18000 |
396
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450 | 1.2 | 950 |
| 25D681K(J) | 420 | 560 | 680(612-748) | 150 | 1120 | 15000 | 18000 | 408 | 460 | 1.2 | 900 |
| 25D751K(J) | 460 | 615 | 750(675-825) | 150 | 1240 | 15000 | 18000 | 420 | 510 | 1.2 | 850 |
| 25D781K(J) | 485 | 640 | 780(702-858) | 150 | 1290 | 15000 | 18000 | 440 | 530 | 1.2 | 800 |
| 25D821K(J) | 510 | 670 | 820(738-902) | 150 | 1355 | 15000 | 18000 | 460 | 570 | 1.2 | 750 |
| 25D911K(J) | 550 | 745 | 910(819-1001) | 150 | 1500 | 15000 | 18000 | 510 | 620 | 1.2 | 700 |
| 25D102K(J) | 625 | 825 | 1000(900-1100) | 150 | 1650 | 15000 | 18000 | 565 | 685 | 1.2 | 650 |
| 25D112K(J) | 680 | 895 | 1100(990-1210) | 150 | 1815 | 15000 | 18000 | 620 | 720 | 1.2 | 600 |
| 25D122K(J) | 750 | 990 | 1200(1080-1320) | 150 | 1980 | 15000 | 18000 | 631 | 792 | 1.2 | 550 |
| 25D142K(J) | 880 | 1140 | 1400(1260-1540) | 150 | 2310 | 15000 | 18000 | 697 | 850 | 1.2 | 500 |
| 25D162K(J) | 1000 | 1280 | 1600(1440-1760) | 150 | 2640 | 15000 | 18000 | 805 | 970 | 1.2 | 450 |
| 25D182K(J) | 1100 | 1465 | 1800(1620-1980) | 150 | 2970 | 15000 | 18000 | 896 | 1092 | 1.2 | 400 |
Production Process / Quality Control
Application
1. Varistor voltage: refers to the voltage value across the varistor at a specified temperature and DC (generally 1mA or 0.1mA). Recorded as V1mA or V0.1mAo
2. Maximum continuous voltage: refers to the maximum effective value of sinusoidal AC voltage or the maximum DC voltage value that can be continuously applied to both ends of the varistor for a long time under the specified ambient temperature
3. Limiting voltage: refers to the maximum peak voltage at both ends of the varistor when a specified surge current (8,20μs) passes through it.
4. Rated power: refers to the maximum average impact power that can be applied to the varistor under the specified ambient temperature.
5. Maximum energy: the maximum impact energy that can be applied to the varistor under the condition that the varistor voltage does not change more than ±10% and the impulse current waveform is 10, 1000μs or 2ms.
6. Current capacity (maximum inrush current)
Contact Person: Ms. Huang
Tel: 13423305709
