EPICOS B72225S4461K101 Metal Oxide Varistor (SIOV) - Circuit Protection
The EPCOS B72225S4461K101 is a high-energy, leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured by EPCOS, a TDK Group company, this device provides reliable surge current suppression with a wide operating voltage range and UL approval.
Product Features
Series/Type: S25K4461K101
Construction: Round leaded varistor element with epoxy resin coating (UL 94 V-0 flame-retardant)
Terminals: Tinned wire
High surge current rating up to 20 kA
Wide operating voltage range: 130 V RMS to 750 V RMS
All types support duty cycle at 6 kV/3 kA with >10 pulses (IEC 62368-1, IEC 60950-1, IEC 61051-2)
UL approval to UL 1449 (file number E321126, exception at 580 V)
Certifications: UL, CSA, IEC, VDE
Package Type: Black (BLK)
ECCN: EAR99
UOM: Each (EA)
Country of Origin: China (CN)
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) (A)
W max (2 ms) (J)
P max (W)
130 ... 750
S25K4461K101
205 ... 1200
170 ... 1060
20,000
10,000
185 ... 1025
1.0
Physical Dimensions & Weight
Dimensions
±
e (mm)
a (mm)
w (mm)
th (mm)
h (mm)
l (mm)
d (mm)
Nominal diameter
±1 mm
12.7
3.4 ... 6.5
27.5
5.7 ... 11.7
31.0
25.0
1.0
Weight varies between 5.2 g and 22.2 g depending on voltage class.
Please review cautions and warnings in the datasheet before installation. For more detailed specifications and application information, refer to the provided datasheet link.
{"id":10026691723581,"title":"B72225S4461K101","handle":"b72225s4461k101","description":"\u003ch3\u003eEPICOS B72225S4461K101 Metal Oxide Varistor (SIOV) - Circuit Protection\u003c\/h3\u003e\n\n\u003cp\u003eThe EPCOS B72225S4461K101 is a high-energy, leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured by EPCOS, a TDK Group company, this device provides reliable surge current suppression with a wide operating voltage range and UL approval.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeries\/Type: S25K4461K101\u003c\/li\u003e\n \u003cli\u003eConstruction: Round leaded varistor element with epoxy resin coating (UL 94 V-0 flame-retardant)\u003c\/li\u003e\n \u003cli\u003eTerminals: Tinned wire\u003c\/li\u003e\n \u003cli\u003eHigh surge current rating up to 20 kA\u003c\/li\u003e\n \u003cli\u003eWide operating voltage range: 130 V RMS to 750 V RMS\u003c\/li\u003e\n \u003cli\u003eAll types support duty cycle at 6 kV\/3 kA with \u0026gt;10 pulses (IEC 62368-1, IEC 60950-1, IEC 61051-2)\u003c\/li\u003e\n \u003cli\u003eUL approval to UL 1449 (file number E321126, exception at 580 V)\u003c\/li\u003e\n \u003cli\u003eCertifications: UL, CSA, IEC, VDE\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: China (CN)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\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) (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 \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e130 ... 750\u003c\/td\u003e\n \u003ctd\u003eS25K4461K101\u003c\/td\u003e\n \u003ctd\u003e205 ... 1200\u003c\/td\u003e\n \u003ctd\u003e170 ... 1060\u003c\/td\u003e\n \u003ctd\u003e20,000\u003c\/td\u003e\n \u003ctd\u003e10,000\u003c\/td\u003e\n \u003ctd\u003e185 ... 1025\u003c\/td\u003e\n \u003ctd\u003e1.0\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Weight\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\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 \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eNominal diameter\u003c\/td\u003e\n \u003ctd\u003e±1 mm\u003c\/td\u003e\n \u003ctd\u003e12.7\u003c\/td\u003e\n \u003ctd\u003e3.4 ... 6.5\u003c\/td\u003e\n \u003ctd\u003e27.5\u003c\/td\u003e\n \u003ctd\u003e5.7 ... 11.7\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\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWeight varies between 5.2 g and 22.2 g depending on voltage class.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4461k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eDelivery Mode: Bulk (standard)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003ePlease review cautions and warnings in the datasheet before installation. For more detailed specifications and application information, refer to the provided datasheet link.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T13:41:23+05:30","created_at":"2025-08-15T13:41:25+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["Circuit","EPCOS","IMPORT_CSV","IMPORT_PT2","Varistors","WLDM"],"price":37558,"price_min":37558,"price_max":37558,"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":50622965514557,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B72225S4461K101","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"B72225S4461K101","public_title":null,"options":["Default Title"],"price":37558,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"B72225S4461K101","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4461K101_53135645_1f0bf47b.jpg?v=1755245485"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4461K101_53135645_1f0bf47b.jpg?v=1755245485","options":["Title"],"media":[{"alt":null,"id":45851058635069,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4461K101_53135645_1f0bf47b.jpg?v=1755245485"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4461K101_53135645_1f0bf47b.jpg?v=1755245485","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eEPICOS B72225S4461K101 Metal Oxide Varistor (SIOV) - Circuit Protection\u003c\/h3\u003e\n\n\u003cp\u003eThe EPCOS B72225S4461K101 is a high-energy, leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured by EPCOS, a TDK Group company, this device provides reliable surge current suppression with a wide operating voltage range and UL approval.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeries\/Type: S25K4461K101\u003c\/li\u003e\n \u003cli\u003eConstruction: Round leaded varistor element with epoxy resin coating (UL 94 V-0 flame-retardant)\u003c\/li\u003e\n \u003cli\u003eTerminals: Tinned wire\u003c\/li\u003e\n \u003cli\u003eHigh surge current rating up to 20 kA\u003c\/li\u003e\n \u003cli\u003eWide operating voltage range: 130 V RMS to 750 V RMS\u003c\/li\u003e\n \u003cli\u003eAll types support duty cycle at 6 kV\/3 kA with \u0026gt;10 pulses (IEC 62368-1, IEC 60950-1, IEC 61051-2)\u003c\/li\u003e\n \u003cli\u003eUL approval to UL 1449 (file number E321126, exception at 580 V)\u003c\/li\u003e\n \u003cli\u003eCertifications: UL, CSA, IEC, VDE\u003c\/li\u003e\n \u003cli\u003ePackage Type: Black (BLK)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: China (CN)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\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) (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 \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e130 ... 750\u003c\/td\u003e\n \u003ctd\u003eS25K4461K101\u003c\/td\u003e\n \u003ctd\u003e205 ... 1200\u003c\/td\u003e\n \u003ctd\u003e170 ... 1060\u003c\/td\u003e\n \u003ctd\u003e20,000\u003c\/td\u003e\n \u003ctd\u003e10,000\u003c\/td\u003e\n \u003ctd\u003e185 ... 1025\u003c\/td\u003e\n \u003ctd\u003e1.0\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Weight\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\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 \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eNominal diameter\u003c\/td\u003e\n \u003ctd\u003e±1 mm\u003c\/td\u003e\n \u003ctd\u003e12.7\u003c\/td\u003e\n \u003ctd\u003e3.4 ... 6.5\u003c\/td\u003e\n \u003ctd\u003e27.5\u003c\/td\u003e\n \u003ctd\u003e5.7 ... 11.7\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\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWeight varies between 5.2 g and 22.2 g depending on voltage class.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4461k101.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eDelivery Mode: Bulk (standard)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003ePlease review cautions and warnings in the datasheet before installation. For more detailed specifications and application information, refer to the provided datasheet link.\u003c\/p\u003e\u003cbr\u003e"}
