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EPCOS
B72225S4381K101
Electronic Circuit Protection - EPCOS B72225S4381K101 Varistor
The EPCOS B72225S4381K101 is a high-performance SIOV metal oxide varistor designed for circuit protection applications. Manufactured in China, this leaded varistor features a round element construction with epoxy resin coating that is flame-retardant to UL 94 V-0 standards. It offers excellent surge current handling capabilities and broad operating voltage range, making it suitable for various electronic protection needs.
Key Features:
Series/Type: B722***
Product Type: Circuit Protection - Varistors
Package Type: Black (BLK)
Part Number: B72225S4381K101
Manufacturer: EPCOS (A TDK Group Company)
Country of Origin: China (CN)
Unit of Measure: Each (EA)
ECCN: EAR99
RoHS Compliant: Information not specified
Datasheet: Download Datasheet
Electrical Specifications:
Maximum Ratings (TA = 105°C)
Values
Operating Voltage Range (V RMS)
130 ... 750 V
Maximum Continuous Voltage (V DC)
170 ... 1060 V
Maximum Surge Current (8/20 µs, 1 time)
20,000 A
Maximum Surge Current (8/20 µs, 15 times)
10,000 A
Maximum Dissipation Power (W)
185 ... 1025 W
Characteristics (at 25°C):
Parameter
Values
Vv (1 mA)
205 ... 1200 V
∆Vv (1 mA)
±10%
Vc,max (i) c V
340 ... 2000 V
Ic (A)
150 ... 1815 A
Capacitance (pF, 1 kHz)
3800 ... 2000 pF
Physical Dimensions:
Parameter
Values
Nominal Diameter
25 mm
Weight
5.2 ... 22.2 g (interpolated based on voltage class)
Dimensions (mm)
e: 12.7 ±1
a: 3.4 ... 6.5
w: 27.5
th: 5.7 ... 11.7
h: 31.0 ... 32.5
l: 25.0
d: 1.0
Certifications & Approvals:
For detailed technical data and application guidelines, please refer to the datasheet .
Note: Datasheet was not processed, please search the internet for the part number for more details.
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It offers excellent surge current handling capabilities and broad operating voltage range, making it suitable for various electronic protection needs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeries\/Type: B722***\u003c\/li\u003e\n \u003cli\u003eProduct Type: Circuit Protection - Varistors\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003ePart Number: B72225S4381K101\u003c\/li\u003e\n \u003cli\u003eManufacturer: EPCOS (A TDK Group Company)\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: China (CN)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Information not specified\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4381k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Ratings (TA = 105°C)\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Voltage Range (V RMS)\u003c\/td\u003e\n \u003ctd\u003e130 ... 750 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Continuous Voltage (V DC)\u003c\/td\u003e\n \u003ctd\u003e170 ... 1060 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Surge Current (8\/20 µs, 1 time)\u003c\/td\u003e\n \u003ctd\u003e20,000 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Surge Current (8\/20 µs, 15 times)\u003c\/td\u003e\n \u003ctd\u003e10,000 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Dissipation Power (W)\u003c\/td\u003e\n \u003ctd\u003e185 ... 1025 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCharacteristics (at 25°C):\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eVv (1 mA)\u003c\/td\u003e\n \u003ctd\u003e205 ... 1200 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e∆Vv (1 mA)\u003c\/td\u003e\n \u003ctd\u003e±10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVc,max (i) c V\u003c\/td\u003e\n \u003ctd\u003e340 ... 2000 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eIc (A)\u003c\/td\u003e\n \u003ctd\u003e150 ... 1815 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCapacitance (pF, 1 kHz)\u003c\/td\u003e\n \u003ctd\u003e3800 ... 2000 pF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eNominal Diameter\u003c\/td\u003e\n \u003ctd\u003e25 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e5.2 ... 22.2 g (interpolated based on voltage class)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003ee: 12.7 ±1\u003c\/li\u003e\n \u003cli\u003ea: 3.4 ... 6.5\u003c\/li\u003e\n \u003cli\u003ew: 27.5\u003c\/li\u003e\n \u003cli\u003eth: 5.7 ... 11.7\u003c\/li\u003e\n \u003cli\u003eh: 31.0 ... 32.5\u003c\/li\u003e\n \u003cli\u003el: 25.0\u003c\/li\u003e\n \u003cli\u003ed: 1.0\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCertifications \u0026amp; Approvals:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUL\u003c\/li\u003e\n \u003cli\u003eCSA\u003c\/li\u003e\n \u003cli\u003eIEC\u003c\/li\u003e\n \u003cli\u003eVDE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed technical data and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4381k101.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-04T01:26:55+05:30","created_at":"2025-08-04T01:26:55+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["Circuit","EPCOS","Varistors","WLDM"],"price":34200,"price_min":34200,"price_max":34200,"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":50547904676157,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B72225S4381K101","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"B72225S4381K101","public_title":null,"options":["Default Title"],"price":34200,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"B72225S4381K101","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/53135877.jpg?v=1754251015"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/53135877.jpg?v=1754251015","options":["Title"],"media":[{"alt":null,"id":45654579216701,"position":1,"preview_image":{"aspect_ratio":1.19,"height":126,"width":150,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/53135877.jpg?v=1754251015"},"aspect_ratio":1.19,"height":126,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/53135877.jpg?v=1754251015","width":150}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eElectronic Circuit Protection - EPCOS B72225S4381K101 Varistor\u003c\/h3\u003e\n\n\u003cp\u003eThe EPCOS B72225S4381K101 is a high-performance SIOV metal oxide varistor designed for circuit protection applications. Manufactured in China, this leaded varistor features a round element construction with epoxy resin coating that is flame-retardant to UL 94 V-0 standards. It offers excellent surge current handling capabilities and broad operating voltage range, making it suitable for various electronic protection needs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeries\/Type: B722***\u003c\/li\u003e\n \u003cli\u003eProduct Type: Circuit Protection - Varistors\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003ePart Number: B72225S4381K101\u003c\/li\u003e\n \u003cli\u003eManufacturer: EPCOS (A TDK Group Company)\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: China (CN)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Information not specified\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4381k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Ratings (TA = 105°C)\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Voltage Range (V RMS)\u003c\/td\u003e\n \u003ctd\u003e130 ... 750 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Continuous Voltage (V DC)\u003c\/td\u003e\n \u003ctd\u003e170 ... 1060 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Surge Current (8\/20 µs, 1 time)\u003c\/td\u003e\n \u003ctd\u003e20,000 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Surge Current (8\/20 µs, 15 times)\u003c\/td\u003e\n \u003ctd\u003e10,000 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Dissipation Power (W)\u003c\/td\u003e\n \u003ctd\u003e185 ... 1025 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCharacteristics (at 25°C):\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eVv (1 mA)\u003c\/td\u003e\n \u003ctd\u003e205 ... 1200 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e∆Vv (1 mA)\u003c\/td\u003e\n \u003ctd\u003e±10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVc,max (i) c V\u003c\/td\u003e\n \u003ctd\u003e340 ... 2000 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eIc (A)\u003c\/td\u003e\n \u003ctd\u003e150 ... 1815 A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCapacitance (pF, 1 kHz)\u003c\/td\u003e\n \u003ctd\u003e3800 ... 2000 pF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValues\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eNominal Diameter\u003c\/td\u003e\n \u003ctd\u003e25 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWeight\u003c\/td\u003e\n \u003ctd\u003e5.2 ... 22.2 g (interpolated based on voltage class)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions (mm)\u003c\/td\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003ee: 12.7 ±1\u003c\/li\u003e\n \u003cli\u003ea: 3.4 ... 6.5\u003c\/li\u003e\n \u003cli\u003ew: 27.5\u003c\/li\u003e\n \u003cli\u003eth: 5.7 ... 11.7\u003c\/li\u003e\n \u003cli\u003eh: 31.0 ... 32.5\u003c\/li\u003e\n \u003cli\u003el: 25.0\u003c\/li\u003e\n \u003cli\u003ed: 1.0\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCertifications \u0026amp; Approvals:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUL\u003c\/li\u003e\n \u003cli\u003eCSA\u003c\/li\u003e\n \u003cli\u003eIEC\u003c\/li\u003e\n \u003cli\u003eVDE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed technical data and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4381k101.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e"}
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