Product Description: EPCOS B72225S4151K101 Metal Oxide Varistor (SIOV)
The EPCOS B72225S4151K101 is a high-energy, leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured by EPCOS, a TDK Group company, this varistor provides reliable surge current suppression and voltage clamping to safeguard electronic circuits from transient overvoltage events.
Key Features:
Series/Type: SuperioR S25 series (B722*)
Wide operating voltage range: 130 V RMS to 750 V RMS
High surge current capability: up to 20 kA
UL approval to UL 1449 (file number E321126 – exception 580 V)
All types support duty cycle at 6 kV / 3 kA with >10 pulses (IEC 62368-1, IEC 60950-1)
Construction: Round, leaded varistor element with epoxy resin coating (UL 94 V-0 flame retardant)
Terminals: Tinned wire for secure connections
Compliance: UL, CSA, IEC, VDE approvals
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) 15x (A)
W max (2 ms) (J)
P max (W)
130 ... 750
S25K130E4R12 ... S25K750E4R12
130 ... 750
170 ... 1060
20,000
10,000
185 ... 1025
1.0
Characteristics (TA= 25°C):
Ordering Code
V v (1 mA) V
∆V v (1 mA) %
v c,max (i) c V
i c (A)
C typ (1 kHz) (pF)
B72225S4131K101 ... B72225S4751K101
205 ... 1200
±10
340 ... 2000
150 ... 150
650 ... 2000
Physical Dimensions & Weight:
Nominal Diameter (mm)
Weight (g)
25
5.2 ... 22.2
Dimensional Details:
Dimensions (mm)
e ±1
a (typical)
w max
th max
h max
l min
d ±0.05
12.7
12.7
3.4 ... 6.5
27.5
5.7 ... 11.7
31.0
25.0
1.0
The Datasheet provides detailed technical information. For more details, please search the internet using the part number.
Product Metadata:
Part Number: B72225S4151K101
Manufacturer: EPCOS
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
Note: RoHS compliance information is not specified. Please refer to the datasheet for additional cautions and warnings.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Shopping Cart
{"id":10019241820477,"title":"B72225S4151K101","handle":"b72225s4151k101","description":"\u003ch3\u003eProduct Description: EPCOS B72225S4151K101 Metal Oxide Varistor (SIOV)\u003c\/h3\u003e\n\u003cp\u003eThe EPCOS B72225S4151K101 is a high-energy, leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured by EPCOS, a TDK Group company, this varistor provides reliable surge current suppression and voltage clamping to safeguard electronic circuits from transient overvoltage events.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeries\/Type: SuperioR S25 series (B722*)\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range: 130 V RMS to 750 V RMS\u003c\/li\u003e\n\u003cli\u003eHigh surge current capability: up to 20 kA\u003c\/li\u003e\n\u003cli\u003eUL approval to UL 1449 (file number E321126 – exception 580 V)\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)\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 for secure connections\u003c\/li\u003e\n\u003cli\u003eCompliance: UL, CSA, IEC, VDE approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Specifications:\u003c\/strong\u003e\u003c\/p\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) 15x (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\u003e130 ... 750\u003c\/td\u003e\n\u003ctd\u003eS25K130E4R12 ... S25K750E4R12\u003c\/td\u003e\n\u003ctd\u003e130 ... 750\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\/table\u003e\n\u003cp\u003e\u003cstrong\u003eCharacteristics (TA= 25°C):\u003c\/strong\u003e\u003c\/p\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) c 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\u003eB72225S4131K101 ... B72225S4751K101\u003c\/td\u003e\n\u003ctd\u003e205 ... 1200\u003c\/td\u003e\n\u003ctd\u003e±10\u003c\/td\u003e\n\u003ctd\u003e340 ... 2000\u003c\/td\u003e\n\u003ctd\u003e150 ... 150\u003c\/td\u003e\n\u003ctd\u003e650 ... 2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions \u0026amp; Weight:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Diameter (mm)\u003c\/th\u003e\n\u003cth\u003eWeight (g)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e5.2 ... 22.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDimensional Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (mm)\u003c\/th\u003e\n\u003cth\u003ee ±1\u003c\/th\u003e\n\u003cth\u003ea (typical)\u003c\/th\u003e\n\u003cth\u003ew max\u003c\/th\u003e\n\u003cth\u003eth max\u003c\/th\u003e\n\u003cth\u003eh max\u003c\/th\u003e\n\u003cth\u003el min\u003c\/th\u003e\n\u003cth\u003ed ±0.05\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.7\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\/table\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4151k101.pdf\"\u003eDatasheet\u003c\/a\u003e provides detailed technical information. For more details, please search the internet using the part number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Metadata:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: B72225S4151K101\u003c\/li\u003e\n\u003cli\u003eManufacturer: EPCOS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: RoHS compliance information is not specified. Please refer to the datasheet for additional cautions and warnings.\u003c\/p\u003e","published_at":"2025-08-11T13:33:51+05:30","created_at":"2025-08-11T13:33:51+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["Circuit","EPCOS","IMPORT_CSV","Varistors","WLDM"],"price":31183,"price_min":31183,"price_max":31183,"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":50606066958653,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B72225S4151K101","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"B72225S4151K101","public_title":null,"options":["Default Title"],"price":31183,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"B72225S4151K101","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4151K101_53135707_937e49c0.jpg?v=1754899434"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4151K101_53135707_937e49c0.jpg?v=1754899434","options":["Title"],"media":[{"alt":null,"id":45780793590077,"position":1,"preview_image":{"aspect_ratio":1.19,"height":200,"width":238,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4151K101_53135707_937e49c0.jpg?v=1754899434"},"aspect_ratio":1.19,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/B72225S4151K101_53135707_937e49c0.jpg?v=1754899434","width":238}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: EPCOS B72225S4151K101 Metal Oxide Varistor (SIOV)\u003c\/h3\u003e\n\u003cp\u003eThe EPCOS B72225S4151K101 is a high-energy, leaded metal oxide varistor (MOV) designed for circuit protection applications. Manufactured by EPCOS, a TDK Group company, this varistor provides reliable surge current suppression and voltage clamping to safeguard electronic circuits from transient overvoltage events.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeries\/Type: SuperioR S25 series (B722*)\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range: 130 V RMS to 750 V RMS\u003c\/li\u003e\n\u003cli\u003eHigh surge current capability: up to 20 kA\u003c\/li\u003e\n\u003cli\u003eUL approval to UL 1449 (file number E321126 – exception 580 V)\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)\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 for secure connections\u003c\/li\u003e\n\u003cli\u003eCompliance: UL, CSA, IEC, VDE approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Specifications:\u003c\/strong\u003e\u003c\/p\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) 15x (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\u003e130 ... 750\u003c\/td\u003e\n\u003ctd\u003eS25K130E4R12 ... S25K750E4R12\u003c\/td\u003e\n\u003ctd\u003e130 ... 750\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\/table\u003e\n\u003cp\u003e\u003cstrong\u003eCharacteristics (TA= 25°C):\u003c\/strong\u003e\u003c\/p\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) c 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\u003eB72225S4131K101 ... B72225S4751K101\u003c\/td\u003e\n\u003ctd\u003e205 ... 1200\u003c\/td\u003e\n\u003ctd\u003e±10\u003c\/td\u003e\n\u003ctd\u003e340 ... 2000\u003c\/td\u003e\n\u003ctd\u003e150 ... 150\u003c\/td\u003e\n\u003ctd\u003e650 ... 2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions \u0026amp; Weight:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Diameter (mm)\u003c\/th\u003e\n\u003cth\u003eWeight (g)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e5.2 ... 22.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDimensional Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (mm)\u003c\/th\u003e\n\u003cth\u003ee ±1\u003c\/th\u003e\n\u003cth\u003ea (typical)\u003c\/th\u003e\n\u003cth\u003ew max\u003c\/th\u003e\n\u003cth\u003eth max\u003c\/th\u003e\n\u003cth\u003eh max\u003c\/th\u003e\n\u003cth\u003el min\u003c\/th\u003e\n\u003cth\u003ed ±0.05\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.7\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\/table\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-eps\/eps-b72225s4151k101.pdf\"\u003eDatasheet\u003c\/a\u003e provides detailed technical information. For more details, please search the internet using the part number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Metadata:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: B72225S4151K101\u003c\/li\u003e\n\u003cli\u003eManufacturer: EPCOS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: RoHS compliance information is not specified. Please refer to the datasheet for additional cautions and warnings.\u003c\/p\u003e"}
