Product Description: EPCOS B72225S4551K101 Metal Oxide Varistor (MOV)
The EPCOS B72225S4551K101 is a high-performance leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured in China by EPCOS, a TDK Group Company, this varistor offers reliable surge suppression and voltage clamping capabilities across a wide operating voltage range.
Round leaded varistor element with epoxy resin coating, flame-retardant to UL 94 V-0
High surge current capability up to 20 kA
Wide operating voltage range from 130 V RMS to 750 V RMS
All types support duty cycles at 6 kV/3 kA with >10 pulses, compliant with IEC 62368-1, IEC 60950-1, and IEC 61051-2 standards
UL approval to UL 1449 (file number E321126, exception at 580 V)
Certifications include UL, CSA, IEC, and VDE
Electrical Specifications
Maximum Ratings (TA= 105 °C)
Type (untaped)
V RMS (V)
V DC (V)
i max (8/20 µs) (A)
I n (8/20 µs, 15 pulses) (A)
W max (2 ms) (J)
P max (W)
B72225S4551K101
S25K550E4R12
550
780
20000
10000
750
1.0
Characteristics (TA= 25°C)
Ordering Code
V v (1 mA) (V)
∆V v (1 mA) (%)
v c,max (i) (V)
i c (A)
C typ (1 kHz) (pF)
B72225S4551K101
910
±10
1580
150
2000
Physical Dimensions
Dimensions
±
e (mm)
a (mm)
w (mm)
th (mm)
h (mm)
l (mm)
d (mm)
B72225S4551K101
±1 mm
12.7
4.6
27.5
6.0
31.0
25.0
1.0
Additional Information
Weight: approximately 22.2 g for the 25 mm diameter variant
Delivery Mode: Bulk (standard). Refer to the datasheet for details on taping, packaging, and lead configuration.
For more detailed technical information, please refer to the datasheet. The datasheet contains comprehensive specifications, safety warnings, and application guidelines.
Note: The datasheet was not processed; please search the internet for the part number for more details.
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{"id":10002654363965,"title":"B72225S4551K101","handle":"b72225s4551k101","description":"\u003ch3\u003eProduct Description: EPCOS B72225S4551K101 Metal Oxide Varistor (MOV)\u003c\/h3\u003e\n\u003cp\u003eThe EPCOS B72225S4551K101 is a high-performance leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured in China by EPCOS, a TDK Group Company, this varistor offers reliable surge suppression and voltage clamping capabilities across a wide operating voltage range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B72225S4551K101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e EPCOS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4551k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRound leaded varistor element with epoxy resin coating, flame-retardant to UL 94 V-0\u003c\/li\u003e\n\u003cli\u003eHigh surge current capability up to 20 kA\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range from 130 V RMS to 750 V RMS\u003c\/li\u003e\n\u003cli\u003eAll types support duty cycles at 6 kV\/3 kA with \u0026gt;10 pulses, compliant with IEC 62368-1, IEC 60950-1, and IEC 61051-2 standards\u003c\/li\u003e\n\u003cli\u003eUL approval to UL 1449 (file number E321126, exception at 580 V)\u003c\/li\u003e\n\u003cli\u003eCertifications include UL, CSA, IEC, and VDE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Ratings (TA= 105 °C)\u003c\/th\u003e\n\u003cth\u003eType (untaped)\u003c\/th\u003e\n\u003cth\u003eV RMS (V)\u003c\/th\u003e\n\u003cth\u003eV DC (V)\u003c\/th\u003e\n\u003cth\u003ei max (8\/20 µs) (A)\u003c\/th\u003e\n\u003cth\u003eI n (8\/20 µs, 15 pulses) (A)\u003c\/th\u003e\n\u003cth\u003eW max (2 ms) (J)\u003c\/th\u003e\n\u003cth\u003eP max (W)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB72225S4551K101\u003c\/td\u003e\n\u003ctd\u003eS25K550E4R12\u003c\/td\u003e\n\u003ctd\u003e550\u003c\/td\u003e\n\u003ctd\u003e780\u003c\/td\u003e\n\u003ctd\u003e20000\u003c\/td\u003e\n\u003ctd\u003e10000\u003c\/td\u003e\n\u003ctd\u003e750\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCharacteristics (TA= 25°C)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOrdering Code\u003c\/th\u003e\n\u003cth\u003eV v (1 mA) (V)\u003c\/th\u003e\n\u003cth\u003e∆V v (1 mA) (%)\u003c\/th\u003e\n\u003cth\u003ev c,max (i) (V)\u003c\/th\u003e\n\u003cth\u003ei c (A)\u003c\/th\u003e\n\u003cth\u003eC typ (1 kHz) (pF)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB72225S4551K101\u003c\/td\u003e\n\u003ctd\u003e910\u003c\/td\u003e\n\u003ctd\u003e±10\u003c\/td\u003e\n\u003ctd\u003e1580\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003e±\u003c\/th\u003e\n\u003cth\u003ee (mm)\u003c\/th\u003e\n\u003cth\u003ea (mm)\u003c\/th\u003e\n\u003cth\u003ew (mm)\u003c\/th\u003e\n\u003cth\u003eth (mm)\u003c\/th\u003e\n\u003cth\u003eh (mm)\u003c\/th\u003e\n\u003cth\u003el (mm)\u003c\/th\u003e\n\u003cth\u003ed (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB72225S4551K101\u003c\/td\u003e\n\u003ctd\u003e±1 mm\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003ctd\u003e4.6\u003c\/td\u003e\n\u003ctd\u003e27.5\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e31.0\u003c\/td\u003e\n\u003ctd\u003e25.0\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: approximately 22.2 g for the 25 mm diameter variant\u003c\/li\u003e\n\u003cli\u003eDelivery Mode: Bulk (standard). Refer to the datasheet for details on taping, packaging, and lead configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4551k101.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. The datasheet contains comprehensive specifications, safety warnings, and application guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-04T01:02:26+05:30","created_at":"2025-08-04T01:02:26+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["Circuit","EPCOS","Varistors","WLDM"],"price":36400,"price_min":36400,"price_max":36400,"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":50547872923965,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B72225S4551K101","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"B72225S4551K101","public_title":null,"options":["Default Title"],"price":36400,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"B72225S4551K101","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/53135781.jpg?v=1754249546"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/53135781.jpg?v=1754249546","options":["Title"],"media":[{"alt":null,"id":45654341615933,"position":1,"preview_image":{"aspect_ratio":1.19,"height":126,"width":150,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/53135781.jpg?v=1754249546"},"aspect_ratio":1.19,"height":126,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/53135781.jpg?v=1754249546","width":150}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: EPCOS B72225S4551K101 Metal Oxide Varistor (MOV)\u003c\/h3\u003e\n\u003cp\u003eThe EPCOS B72225S4551K101 is a high-performance leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured in China by EPCOS, a TDK Group Company, this varistor offers reliable surge suppression and voltage clamping capabilities across a wide operating voltage range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B72225S4551K101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e EPCOS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4551k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRound leaded varistor element with epoxy resin coating, flame-retardant to UL 94 V-0\u003c\/li\u003e\n\u003cli\u003eHigh surge current capability up to 20 kA\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range from 130 V RMS to 750 V RMS\u003c\/li\u003e\n\u003cli\u003eAll types support duty cycles at 6 kV\/3 kA with \u0026gt;10 pulses, compliant with IEC 62368-1, IEC 60950-1, and IEC 61051-2 standards\u003c\/li\u003e\n\u003cli\u003eUL approval to UL 1449 (file number E321126, exception at 580 V)\u003c\/li\u003e\n\u003cli\u003eCertifications include UL, CSA, IEC, and VDE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Ratings (TA= 105 °C)\u003c\/th\u003e\n\u003cth\u003eType (untaped)\u003c\/th\u003e\n\u003cth\u003eV RMS (V)\u003c\/th\u003e\n\u003cth\u003eV DC (V)\u003c\/th\u003e\n\u003cth\u003ei max (8\/20 µs) (A)\u003c\/th\u003e\n\u003cth\u003eI n (8\/20 µs, 15 pulses) (A)\u003c\/th\u003e\n\u003cth\u003eW max (2 ms) (J)\u003c\/th\u003e\n\u003cth\u003eP max (W)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB72225S4551K101\u003c\/td\u003e\n\u003ctd\u003eS25K550E4R12\u003c\/td\u003e\n\u003ctd\u003e550\u003c\/td\u003e\n\u003ctd\u003e780\u003c\/td\u003e\n\u003ctd\u003e20000\u003c\/td\u003e\n\u003ctd\u003e10000\u003c\/td\u003e\n\u003ctd\u003e750\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCharacteristics (TA= 25°C)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOrdering Code\u003c\/th\u003e\n\u003cth\u003eV v (1 mA) (V)\u003c\/th\u003e\n\u003cth\u003e∆V v (1 mA) (%)\u003c\/th\u003e\n\u003cth\u003ev c,max (i) (V)\u003c\/th\u003e\n\u003cth\u003ei c (A)\u003c\/th\u003e\n\u003cth\u003eC typ (1 kHz) (pF)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB72225S4551K101\u003c\/td\u003e\n\u003ctd\u003e910\u003c\/td\u003e\n\u003ctd\u003e±10\u003c\/td\u003e\n\u003ctd\u003e1580\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003e±\u003c\/th\u003e\n\u003cth\u003ee (mm)\u003c\/th\u003e\n\u003cth\u003ea (mm)\u003c\/th\u003e\n\u003cth\u003ew (mm)\u003c\/th\u003e\n\u003cth\u003eth (mm)\u003c\/th\u003e\n\u003cth\u003eh (mm)\u003c\/th\u003e\n\u003cth\u003el (mm)\u003c\/th\u003e\n\u003cth\u003ed (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB72225S4551K101\u003c\/td\u003e\n\u003ctd\u003e±1 mm\u003c\/td\u003e\n\u003ctd\u003e12.7\u003c\/td\u003e\n\u003ctd\u003e4.6\u003c\/td\u003e\n\u003ctd\u003e27.5\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e31.0\u003c\/td\u003e\n\u003ctd\u003e25.0\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: approximately 22.2 g for the 25 mm diameter variant\u003c\/li\u003e\n\u003cli\u003eDelivery Mode: Bulk (standard). Refer to the datasheet for details on taping, packaging, and lead configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4551k101.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. The datasheet contains comprehensive specifications, safety warnings, and application guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e"}
