Image not available
Illustrative purposes only
201KN20-P7.5
TVS Varistor, 130 V, 170 V, TMOV 20M(E,N) Series, 340 V, Disc 20mm, Metal Oxide Varistor (MOV)
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: YAGEO
- Product type: TVS Varistors
- SVHC: No SVHC (15-Jan-2019)
- Product Range: TMOV 20M(E,N) Series
- Varistor Type: Metal Oxide Varistor (MOV)
- Voltage Rating VAC: 130V
- Voltage Rating VDC: 170V
- Varistor Case Style: Disc 20mm
- Clamping Voltage Vc Max: 340V
- Peak Energy (10/1000uS): 140J
- Operating Temperature Max: 85°C
- Operating Temperature Min: -40°C
- Peak Surge Current @ 8/20µs: 10kA
- Automotive Qualification Standard: -
| Delivery and price | |
|---|---|
| Units per pack | 800 |
| Price | 0.851 € |
| Current stock | 500+ |
| Lead time | 30 days |
Datasheet
DATA SHEET METAL OXIDE VARISTORS POWER SUPPLY TMOV 20M(E,N) series **RoHS compliant & Halogen free** Circuit Protection Product Specification 2 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Metal Oxide Varistor Data Sheet** ## **Features** - TMOV integrated thermal protection device - High peak surge current rating up to 10KA - Designed to facilitate compliance to UL1449 for TVSS products - Wide operating voltage (V1mA) range from 18V to 1200V - Rated current: 15A - Rated Functioning Temperature:136( ℃ ) - Fast responding to transient over-voltage and limited current - Large absorbing transient energy capability - Low clamping ratio and no follow-on current - Three-lead version available for indication purposes - Meets MSL level 1, per J-STD-020 - Operating Temperature ： -40 ℃ ~ +85 ℃ - Storage Temperature ： -40 ℃ ~ +85 ℃ - Safety certification: UL: E327997 ## **Applications** - AC power line or AC/DC supplies - Transistor, diode, IC, thyristor or triac semiconductor protection - Surge protection in consumer electronics - Surge protection in industrial electronics - Surge protection in electronic home appliances, gas and petroleum appliances - Relay and electromagnetic valve surge absorption - AC panel protection Modules ## **Part number code** **==> picture [428 x 128] intentionally omitted <==** **----- Start of picture text -----**<br> —<br>Tolerance<br>K: ±10%<br>Varistor Voltage Element Diameter Pitch<br>820: 82V 20 No suffix: 7.5mm(N type)<br>101: 100V Type -P12.5: 12.5mm(N type)<br>M/E/N: different internal structure<br>102: 1000V<br>**----- End of picture text -----**<br> www.yageo.com Aug 03, 2022 V.3 Circuit Protection > Product Specification 3 12 METAL OXIDE VARISTORS **==> picture [63 x 8] intentionally omitted <==** **----- Start of picture text -----**<br> TMOV 20M(E,N)<br>**----- End of picture text -----**<br> ## **Lead configurations and application examples** **==> picture [514 x 669] intentionally omitted <==** **----- Start of picture text -----**<br> N Series<br>D<br>2 Thermal Line<br>Fuse<br>Line Fuse<br>Element<br>H Authorized<br>by UL<br>TMOV Varistor<br>L<br>Φd<br>1 2<br>MOV<br>Front view Neutral<br>E e<br>1<br>F<br>Bottom view<br>M Series<br>D Line<br>Monitor lead Line Fuse<br>3<br>H Thermal<br>Fuse<br>Element<br>Authorized TMOV Varistor<br>by UL<br>LED<br>2<br>L3<br>Φd<br>R<br>2<br>1 3 Neutral<br>Front view MOV<br>Line<br>e1 e E Line Fuse<br>F<br>F1 1<br>Bottom view<br>TMOV Varistor<br>E Series R<br>D AC OPTOCOUPLER<br>3 TO STATUS<br>ANNUNCIATOR<br>Thermal LIGHT/ALARM<br>H Fuse<br>Neutral<br>Element<br>Authorized<br>by UL Line<br>Load Switch Relay<br>L3 Line Fuse (loss of protection)<br>R<br>3 2 Monitor lead ＂ Load Powered ＂<br>Φd<br> neon lamp<br>1 2<br>Front view TMOV Varistor<br>MOV<br>e1 e E Fault LED(Normally off)<br>F<br>F1 R<br>Bottom view 1 Neutral<br>To Protected Circuit<br>To Protected Circuit<br>To Protected Circuit<br>To Protected Circuit<br>**----- End of picture text -----**<br> www.yageo.com Aug 03, 2022 V.3 Circuit Protection > Product Specification 4 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Dimensions** |Symbol|Symbol|BK’S M / E / N Varistor<br>Unit: mm|BK’S M / E / N Varistor<br>Unit: mm|BK’S M / E / N Varistor<br>Unit: mm| |---|---|---|---|---| |||20M|20E|20N| |D (max.)||24.0|24.0|24.0| |H (max.)||26.0|26.0|26.0| |F (±1.0)||7.5|7.5|12.5<br>7.5| |F1 (±1.0)||5.0|5.0|-| |e (max.)|180K~121K|3.0|3.0|3.0| ||151K~391K|3.8|3.8|3.8| ||431K~621K|5.5|5.5|5.5| ||681K~911K|7.8|7.8|7.8| ||102K~122K|10.0|10.0|10.0| |e1|180K~121K|1.5±1.0|1.5±1.0|-| ||151K~391K|||| ||431K~621K|||| ||681K~911K|||| ||102K~122K|||| |E (max.)|180K~121K|9.0|9.0|9.0| ||151K~391K|9.8|9.8|9.8| ||431K~621K|11.5|11.5|11.5| ||681K~911K|13.8|13.8|13.8| ||102K~122K|16.0|16.0|16.0| |L|(min.)|20.0|20.0|20.0| |L3|(min.)|10.0|10.0|-| |Φd(±0.05)||1.0||| Note: 20N Series default pitch is 7.5mm www.yageo.com Aug 03, 2022 V.3 Circuit Protection Product Specification 5 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Electrical characteristics** |Part<br>Number|Maximum<br>Allowable<br>Voltage|Maximum<br>Allowable<br>Voltage|Varistor<br>Voltage|Maximum<br>Clamping<br>Voltage|Maximum<br>Clamping<br>Voltage|Maximum<br>Peak Current<br>(8/20μs)|Maximum<br>Peak Current<br>(8/20μs)|Maximum<br>Energy<br>(Joule)|Maximum<br>Energy<br>(Joule)|Rated<br>Power|Typical<br>Capacitance<br>(Reference)| |---|---|---|---|---|---|---|---|---|---|---|---| ||VAC(V)|VDC(V)|V1mA(V)|IP(A)|VC(V)|1 time|2 times|10/1000μs|2ms|(W)|@1KHz (pf)| |||||||(A)|||||| |180KM(E,N)20|11|14|18(15~21.6)|20|36|3000|2000|13|10|0.2|28500| |220KM(E,N)20|14|18|22(19.5~26)|20|43|3000|2000|16|12|0.2|18500| |270KM(E,N)20|17|22|27(24~31)|20|53|3000|2000|19|14|0.2|13000| |330KM(E,N)20|20|26|33(29.5~36.5)|20|65|3000|2000|24|18|0.2|11500| |390KM(E,N)20|25|31|39(35~43)|20|77|3000|2000|28|21|0.2|8500| |470KM(E,N)20|30|38|47(42~52)|20|93|5000|3000|34|25|0.2|7400| |560KM(E,N)20|35|45|56(50~62)|20|110|5000|3000|41|30|0.2|6500| |680KM(E,N)20|40|56|68(61~75)|20|135|5000|3000|49|37|0.2|5800| |820KM(E,N)20|50|65|82(74~90)|100|135|6500|4500|56|42|1.0|4900| |101KM(E,N)20|60|85|100(90~110)|100|165|6500|4500|70|52|1.0|4000| |121KM(E,N)20|75|100|120(108~132)|100|200|6500|4500|85|63|1.0|3300| |151KM(E,N)20|95|125|150(135~165)|100|250|10000|8000|100|70|1.0|2700| |181KM(E,N)20|115|150|180(162~198)|100|300|10000|8000|110|80|1.0|2200| |201KM(E,N)20|130|170|200(185~225)|100|340|10000|8000|140|100|1.0|2000| |221KM(E,N)20|140|180|220(198~242)|100|365|10000|8000|155|110|1.0|1800| |241KM(E,N)20|150|200|240(216~264)|100|395|10000|8000|170|120|1.0|1650| |271KM(E,N)20|175|225|270(243~297)|100|455|10000|8000|190|135|1.0|1500| |301KM(E,N)20|190|250|300(270~330)|100|500|10000|8000|205|145|1.0|1300| |331KM(E,N)20|210|275|330(297~363)|100|550|10000|8000|215|150|1.0|1200| |361KM(E,N)20|230|300|360(324~396)|100|595|10000|8000|225|160|1.0|1100| |391KM(E,N)20|250|320|390(351~429)|100|650|10000|8000|240|170|1.0|1000| |431KM(E,N)20|275|350|430(387~473)|100|710|10000|8000|270|190|1.0|930| |471KM(E,N)20|300|385|470(423~517)|100|775|10000|8000|350|250|1.0|850| |511KM(E,N)20|320|415|510(459~561)|100|845|10000|8000|380|270|1.0|780| |561KM(E,N)20|350|460|560(504~616)|100|920|10000|8000|400|280|1.0|710| |621KM(E,N)20|385|505|620(558~682)|100|1025|10000|8000|425|300|1.0|650| |681KM(E,N)20|420|560|680(612~748)|100|1120|10000|8000|435|310|1.0|600| |751KM(E,N)20|460|615|750(675~825)|100|1240|10000|8000|455|327|1.0|530| |781KM(E,N)20|485|640|780(702~858)|100|1290|10000|8000|461|335|1.0|510| |821KM(E,N)20|510|670|820(738~902)|100|1355|10000|8000|475|344|1.0|500| |911KM(E,N)20|550|745|910(819~1001)|100|1500|10000|8000|500|350|1.0|440| |102KM(E,N)20|625|825|1000(900~1100)|100|1650|10000|8000|560|400|1.0|400| |112KM(E,N)20|680|895|1100(990~1210)|100|1815|10000|8000|610|430|1.0|360| |122KM(E,N)20|750|990|1200(1080~1320)|100|1980|10000|8000|650|460|1.0|320| Notes: Leakage Current (@83% of V1mA) ： IR≤50μA (180K~680K) ; IR≤35μA (820K~122K). www.yageo.com Aug 03, 2022 V.3 Circuit Protection > Product Specification 6 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Electrical Ratings** |Items|Test Condition/Description|Test Condition/Description|Requirement| |---|---|---|---| |Varistor Voltage|The voltage between two terminals with the specified measuring<br>current 1mA.DC applied is called Vb.||To meet the<br>Specified value| |Maximum Allowable<br>Voltage|The recommended maximum sine wave voltage (RMS) or the<br>Maximum DC voltage can be applied continuously.||| |Maximum Clamping<br>Voltage|The maximum voltage between two terminals with the<br>specification standard impulse current.<br>Applied waveform: 8/20μs<br>0<br>10<br>50<br>90<br>100<br>Time<br>Current (%)<br>Impulse Width<br>8µs<br>20µs<br>Crest value||| |Rated Wattage|The maximum average power that can be applied within the<br>specified ambient temperature.||| |Energy|The maximum energy within the varistor voltage change of ±10%<br>when one impulse of 10/1000μs or 2ms is applied.||| |Withstanding Surge<br>Current|The maximum current within the varistor voltage change of ±10%<br>with the standard impulse current (8/20μs) applied one time.||| |Varistor Voltage<br>Temp. Coefficient||V1mA@85℃-V1mA@25℃<br>V1mA@25℃<br>× 1<br>60<br>× 100%(%/℃)|≤0.05%/℃| |||V1mA@-40℃-V1mA@25℃<br>V1mA@25℃<br>× 1<br>65<br>× 100%(%/℃)|| www.yageo.com Aug 03, 2022 V.3 Circuit Protection > Product Specification 7 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Mechanical Characteristics** |Items|Test conditions / Methods|Test conditions / Methods|Specifications| |---|---|---|---| |Tensile Strength<br>of Terminals|Gradually applying the force specified<br>fixed for 10±1 sec.<br>Terminal diameter(mm)<br>0.5＜d≤0.8<br>0.8＜d≤1.25<br>1.25＜d|and keeping the unit<br>1.0<br>2.0<br>4.0<br>Force(kg)|No visible damage<br>|ΔV1mA/V1mA|≤5%| |Bending Strength<br>of Terminals|Hold specimen and apply the force specified below to each<br>lead. Bend the specimen to 90°, then return to the original<br>position. Repeat the procedure in the opposite direction.<br>Terminal diameter(mm)<br>0.5＜d≤0.8<br>0.8＜d≤1.25<br>1.25＜d<br>0.5<br>1.0<br>2.0<br>Force(kg)||No visible damage<br>|ΔV1mA/V1mA|≤5%| |Vibration|Frequency range: 10~55 Hz<br>Amplitude: 0.75mm or 98m/s2<br>Direction: 3 mutually perpendicular directions,2hrs each.||No visible damage<br>|ΔV1mA/V1mA|≤5%| |Solder ability|Solder Temp: 245±5℃<br>Dipping Time: 2±0.5 sec||At least 95% of terminal<br>electrode is covered by<br>newsolder| |Resistance to<br>Soldering Heat|Solder Temp: 260±5℃<br>Dipping Time:≤10 sec||No visible damage<br>|ΔV1mA/V1mA|≤10%| ## **Reliability** |Items|Test conditions / Methods|Specifications| |---|---|---| |High Temperature<br>Storage|Ambient Temp: 85±2℃<br>Duration: 1000hrs||ΔV1mA/V1mA|≤5%| |Low Temperature<br>Storage|Ambient Temp: -40±2℃<br>Duration: 1000hrs||ΔV1mA/V1mA|≤5%| |Humidity|Ambient Temp: 40±2℃, 90~95% R.H.<br>Duration: 1000hrs||ΔV1mA/V1mA|≤5%| |Temperature Cycle|The conditions shown below shall be repeated 5 cycles<br>Step<br>Temperature(℃)<br>Period(minutes)<br>1<br>-40±3<br>30±3<br>2<br>Room temperature<br>15±3<br>3<br>85±3<br>30±3<br>4<br>Room temperature<br>15±3|No visible damage<br>|ΔV1mA/V1mA|≤5%| |High Temperature<br>Load|Ambient Temp: 85±2℃Duration: 1000hrs<br>Load: Max. Allowable Voltage In AC eara.||ΔV1mA/V1mA|≤10%| |Damp Heat Load|Ambient Temp: 40±2℃, 90~95% R.H.<br>Duration: 1000hrs Load: Max. Allowable Voltage|No visible damage<br>|ΔV1mA/V1mA |≤10%| |Voltage Proof|Metal balls method, 2500Vac 1 min.|No visible damage| www.yageo.com Aug 03, 2022 V.3 Circuit Protection METAL OXIDE VARISTORS > Product Specification 8 12 TMOV 20M(E,N) ## **Maximum Leakage Current and Maximum Clamping Voltage Curve** www.yageo.com Aug 03, 2022 V.3 Circuit Protection METAL OXIDE VARISTORS > Product Specification 9 12 TMOV 20M(E,N) ## **Maximum Leakage Current and Maximum Clamping Voltage Curve** ## **Maximum Surge Current Derating Curve** ATA www.yageo.com Aug 03, 2022 V.3 Circuit Protection > Product Specification 10 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Maximum Surge Current Derating Curve** www.yageo.com Aug 03, 2022 V.3 Circuit Protection Product Specification 11 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Maximum Surge Current Derating Curve** ## **Soldering Recommendation** **==> picture [355 x 299] intentionally omitted <==** **----- Start of picture text -----**<br> Preheating Soldering Cooling<br>Max: 265<br>110±10<br>25<br>CIN<br>60~90 ＜ 1 2~6 Time (sec.)<br>g Conditions with Soldering Iron Conditions with Soldering Iron g Iron Iron<br>Item Conditions<br>Temperature of Soldering Iron-tip 360 ℃ (max.)<br>Soldering Time 3 seconds (max.)<br>Distance from Varistor 2mm (min.)<br>)<br>℃<br>Temperature (<br>**----- End of picture text -----**<br> Recommendation Reworking Conditions with Soldering Iron Conditions with Soldering Iron g Iron Iron www.yageo.com Aug 03, 2022 V.3 Circuit Protection > Product Specification 12 12 METAL OXIDE VARISTORS TMOV 20M(E,N) ## **Marking code** **==> picture [179 x 57] intentionally omitted <==** **----- Start of picture text -----**<br> @ ① XXXKXXX<br>XXXKXXX<br>® ② ④ ®<br>⑤ 5<br>③ XXX Y<br>© QW ox )<br>**----- End of picture text -----**<br> ## **Quantity** **==> picture [495 x 129] intentionally omitted <==** **----- Start of picture text -----**<br> Packaging Dimensions (Unit: mm) Quantity<br>Bulk<br>,<br>F 100pcs/bag<br>66 Max.<br>ye L y 2bags/box<br>252 Max.<br>160 Max.<br>**----- End of picture text -----**<br> www.yageo.com Aug 03, 2022 V.3
Updated at June 4, 2026
Founded in 1977, Yageo Corporation is a premier global provider of passive component solutions. Through strategic acquisitions of industry leaders such as Pulse Electronics, BrightKing, and KEMET, the company has built a comprehensive product portfolio and established a commanding presence across the electronics industry, particularly in capacitors, resistors, and circuit protection technologies. Our extensive range of Yageo components is heavily focused on their advanced circuit protection solutions. We carry a comprehensive selection of transient voltage suppression (TVS) devices, featuring hundreds of TVS diodes and varistors engineered to safeguard sensitive electronics from destructive voltage transients. This core offering is complemented by a robust lineup of gas discharge tubes (GDTs) designed for reliable overvoltage protection in demanding environments. Beyond voltage suppression, we supply a variety of Yageo's specialized thermistor products, including resettable fuses, inrush current limiting (ICL) NTC thermistors, and precision temperature sensing components. Rounding out our selection are high-performance Yageo RF and single-band chip antennas, providing reliable, space-efficient connectivity for modern wireless applications.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →