Leaded Disk Varistors

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B72225S4441K101

Product Status	Production
Applications	ConsumerConsumer DataData Processing IndustrialIndustrial
Type	S25K440E4R12
Brand	TDK
Environmental Compliance Click to learn more about these icons

Voltage Protection Devices,Leaded Disk Varistors:S25_E4R12

Images are for reference only and show example products.

Size

Lead Spacing (e)	12.70mm ±1.00mm
Body Width (w)	27.50mm Max.
Body Thickness (th)	8.90mm Max.
Body Height (h)	31.50mm Max.
Lead Length (l)	25.00mm Min.
Lead Diameter (d)	1.00mm ±0.05mm
Detail Size Information	Please refer to the catalog

Electrical Characteristics

Maximum Operating Voltage [DC]	585V
Maximum Operating Voltage [AC]	440Vrms
Nominal DischargeCurrent In [8/20μs, 15times]	10kA
Maximum Surge Current Imax [8/20µs, 1time]	20kA
Energy Absorption	710J
Capacitance (Typ.)	1.1nF

Other

Operating Temperature Range	Please refer to the catalog
Soldering Method	Please refer to the document (Soldering Instructions)
Safety Standard	Please refer to the document (Approvals)
AEC-Q200	NO
Packing Information	Please refer to the document (Taping, Packaging and Lead Configuration)

Distributor Stock Info

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Part Number: B72225S4441K101

Part Number	Distributor	Buy from Distributor	Stock Quantity	Country	Info Last Updated
B72225S4441K101	DigiKey Click to know about this distributor	Buy Now	406	Multiple	2026/05/05
B72225S4441K101	element14 Click to know about this distributor	Buy Now	1,456	SG	2026/05/05
B72225S4441K101	Farnell, An Avnet Company Click to know about this distributor	Buy Now	1,456	Multiple	2026/05/05
B72225S4441K101	Mouser Electronics Inc. Click to know about this distributor	Buy Now	185	Multiple	2026/05/05
B72225S4441K101	Newark, An Avnet Company Click to know about this distributor	Buy Now	1,456	US	2026/05/05
B72225S4441K101	Xiamen Oneyac Technology Click to know about this distributor	Buy Now	1,100	CN	2026/05/05

Part Number:

B72225S4441K101

B72225S4441K101

Distributor	DigiKey
Buy from Distributor	Buy Now
Stock Quantity	406
Country	Multiple
Info Last Updated	2026/05/05

B72225S4441K101

Distributor	element14
Buy from Distributor	Buy Now
Stock Quantity	1,456
Country	SG
Info Last Updated	2026/05/05

B72225S4441K101

Distributor	Farnell, An Avnet Company
Buy from Distributor	Buy Now
Stock Quantity	1,456
Country	Multiple
Info Last Updated	2026/05/05

B72225S4441K101

Distributor	Mouser Electronics Inc.
Buy from Distributor	Buy Now
Stock Quantity	185
Country	Multiple
Info Last Updated	2026/05/05

B72225S4441K101

Distributor	Newark, An Avnet Company
Buy from Distributor	Buy Now
Stock Quantity	1,456
Country	US
Info Last Updated	2026/05/05

B72225S4441K101

Distributor	Xiamen Oneyac Technology
Buy from Distributor	Buy Now
Stock Quantity	1,100
Country	CN
Info Last Updated	2026/05/05

Please check the latest information on each distributor's website. Powered netCOMPONENTS

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