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B72220T2131K101
EPICOS B72220T2131K101 Metal Oxide Varistor (SIOV) - Circuit Protection
The EPCOS B72220T2131K101 is a high-performance metal oxide varistor (MOV) designed for circuit protection applications. Housed in a flame-retardant thermoplastic package with epoxy resin coating, this varistor provides reliable overvoltage suppression for various electronic devices and systems.
Product Features
Wide operating voltage range: 130 V RMS to 420 V RMS
Self-protected under abnormal overvoltage conditions
High-energy capacity suitable for transient voltage surge suppression
Flame-retardant housing compliant with UL 94 V-0 standards
Leaded round varistor element with tinned copper wire terminals
RoHS compliant and ECCN EAR99
Technical Specifications
Parameter
Details
Part Number
B72220T2131K101
Manufacturer
EPCOS
Country of Origin
CN
UOM
EA
ECCN
EAR99
Package Type
BLK
Datasheet
Download Datasheet
Electrical Ratings & Characteristics
Maximum Ratings (TA=85°C)
Values
V RMS
130 ... 420 V
V DC
170 ... 560 V
i max (8/20 µs)
10,000 A
W max (2 ms)
100 J
Characteristics (TA=25°C)
Parameter
Values
V v (1 mA)
205 ... 680 V
∆V v (1 mA)
±10%
V c,max (i)
340 ... 1120 V
i c
100 ... 273 A
C typ (1 kHz)
420 ... 1340 pF
Physical Dimensions & Reliability
Nominal diameter: 20 mm
Weight: 5.2 ... 8.4 g
Construction: Round, leaded, with epoxy resin coating
Reliability tests include endurance, surge current derating, and electric strength, ensuring long-term performance under specified conditions.
Applications
Air conditioners, refrigerators, TVs
Power meters, inverters, telecom equipment
Transient voltage surge suppressors (TVSS)
Solar inverters
For more detailed technical information, please refer to the datasheet . If additional specifications are needed, search the internet for the part number B72220T2131K101 .
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Housed in a flame-retardant thermoplastic package with epoxy resin coating, this varistor provides reliable overvoltage suppression for various electronic devices and systems.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eWide operating voltage range: 130 V RMS to 420 V RMS\u003c\/li\u003e\n \u003cli\u003eSelf-protected under abnormal overvoltage conditions\u003c\/li\u003e\n \u003cli\u003eHigh-energy capacity suitable for transient voltage surge suppression\u003c\/li\u003e\n \u003cli\u003eFlame-retardant housing compliant with UL 94 V-0 standards\u003c\/li\u003e\n \u003cli\u003eLeaded round varistor element with tinned copper wire terminals\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and ECCN EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eB72220T2131K101\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eEPCOS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n \u003ctd\u003eCN\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUOM\u003c\/td\u003e\n \u003ctd\u003eEA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eECCN\u003c\/td\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePackage Type\u003c\/td\u003e\n \u003ctd\u003eBLK\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDatasheet\u003c\/td\u003e\n \u003ctd\u003e\u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72220t2131k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical Ratings \u0026amp; Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Ratings (TA=85°C)\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV RMS\u003c\/td\u003e\n \u003ctd\u003e130 ... 420 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV DC\u003c\/td\u003e\n \u003ctd\u003e170 ... 560 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ei max (8\/20 µs)\u003c\/td\u003e\n \u003ctd\u003e10,000 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW max (2 ms)\u003c\/td\u003e\n \u003ctd\u003e100 J\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCharacteristics (TA=25°C)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV v (1 mA)\u003c\/td\u003e\n \u003ctd\u003e205 ... 680 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e∆V v (1 mA)\u003c\/td\u003e\n \u003ctd\u003e±10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV c,max (i)\u003c\/td\u003e\n \u003ctd\u003e340 ... 1120 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ei c\u003c\/td\u003e\n \u003ctd\u003e100 ... 273 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eC typ (1 kHz)\u003c\/td\u003e\n \u003ctd\u003e420 ... 1340 pF\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Reliability\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eNominal diameter: 20 mm\u003c\/li\u003e\n \u003cli\u003eWeight: 5.2 ... 8.4 g\u003c\/li\u003e\n \u003cli\u003eConstruction: Round, leaded, with epoxy resin coating\u003c\/li\u003e\n \u003cli\u003eReliability tests include endurance, surge current derating, and electric strength, ensuring long-term performance under specified conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAir conditioners, refrigerators, TVs\u003c\/li\u003e\n \u003cli\u003ePower meters, inverters, telecom equipment\u003c\/li\u003e\n \u003cli\u003eTransient voltage surge suppressors (TVSS)\u003c\/li\u003e\n \u003cli\u003eSolar inverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72220t2131k101.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional specifications are needed, search the internet for the part number \u003cstrong\u003eB72220T2131K101\u003c\/strong\u003e.\u003c\/p\u003e","published_at":"2025-08-11T13:33:56+05:30","created_at":"2025-08-11T13:33:56+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["Circuit","EPCOS","IMPORT_CSV","Varistors","WLDM"],"price":19819,"price_min":19819,"price_max":19819,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50606067089725,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B72220T2131K101","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"B72220T2131K101","public_title":null,"options":["Default Title"],"price":19819,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"B72220T2131K101","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/B72220T2131K101_53135711_49a1eacf.jpg?v=1754899439"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72220T2131K101_53135711_49a1eacf.jpg?v=1754899439","options":["Title"],"media":[{"alt":null,"id":45780794933565,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72220T2131K101_53135711_49a1eacf.jpg?v=1754899439"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72220T2131K101_53135711_49a1eacf.jpg?v=1754899439","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eEPICOS B72220T2131K101 Metal Oxide Varistor (SIOV) - Circuit Protection\u003c\/h3\u003e\n\n\u003cp\u003eThe EPCOS B72220T2131K101 is a high-performance metal oxide varistor (MOV) designed for circuit protection applications. Housed in a flame-retardant thermoplastic package with epoxy resin coating, this varistor provides reliable overvoltage suppression for various electronic devices and systems.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eWide operating voltage range: 130 V RMS to 420 V RMS\u003c\/li\u003e\n \u003cli\u003eSelf-protected under abnormal overvoltage conditions\u003c\/li\u003e\n \u003cli\u003eHigh-energy capacity suitable for transient voltage surge suppression\u003c\/li\u003e\n \u003cli\u003eFlame-retardant housing compliant with UL 94 V-0 standards\u003c\/li\u003e\n \u003cli\u003eLeaded round varistor element with tinned copper wire terminals\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and ECCN EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePart Number\u003c\/td\u003e\n \u003ctd\u003eB72220T2131K101\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eManufacturer\u003c\/td\u003e\n \u003ctd\u003eEPCOS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n \u003ctd\u003eCN\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUOM\u003c\/td\u003e\n \u003ctd\u003eEA\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eECCN\u003c\/td\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePackage Type\u003c\/td\u003e\n \u003ctd\u003eBLK\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDatasheet\u003c\/td\u003e\n \u003ctd\u003e\u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72220t2131k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical Ratings \u0026amp; Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Ratings (TA=85°C)\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV RMS\u003c\/td\u003e\n \u003ctd\u003e130 ... 420 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV DC\u003c\/td\u003e\n \u003ctd\u003e170 ... 560 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ei max (8\/20 µs)\u003c\/td\u003e\n \u003ctd\u003e10,000 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW max (2 ms)\u003c\/td\u003e\n \u003ctd\u003e100 J\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCharacteristics (TA=25°C)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV v (1 mA)\u003c\/td\u003e\n \u003ctd\u003e205 ... 680 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e∆V v (1 mA)\u003c\/td\u003e\n \u003ctd\u003e±10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eV c,max (i)\u003c\/td\u003e\n \u003ctd\u003e340 ... 1120 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ei c\u003c\/td\u003e\n \u003ctd\u003e100 ... 273 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eC typ (1 kHz)\u003c\/td\u003e\n \u003ctd\u003e420 ... 1340 pF\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Reliability\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eNominal diameter: 20 mm\u003c\/li\u003e\n \u003cli\u003eWeight: 5.2 ... 8.4 g\u003c\/li\u003e\n \u003cli\u003eConstruction: Round, leaded, with epoxy resin coating\u003c\/li\u003e\n \u003cli\u003eReliability tests include endurance, surge current derating, and electric strength, ensuring long-term performance under specified conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAir conditioners, refrigerators, TVs\u003c\/li\u003e\n \u003cli\u003ePower meters, inverters, telecom equipment\u003c\/li\u003e\n \u003cli\u003eTransient voltage surge suppressors (TVSS)\u003c\/li\u003e\n \u003cli\u003eSolar inverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72220t2131k101.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional specifications are needed, search the internet for the part number \u003cstrong\u003eB72220T2131K101\u003c\/strong\u003e.\u003c\/p\u003e"}
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