Leaded Disk Varistors

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B72220S0400K101

Product Status	Production
Applications	ConsumerConsumer DataData Processing IndustrialIndustrial
Type	S20K40
Brand	EPCOS
Environmental Compliance Click to learn more about these icons

Voltage Protection Devices,Leaded Disk Varistors:S20

Images are for reference only and show example products.

3D Model

Size

Lead Spacing (e)	10.00mm ±1.00mm
Body Width (w)	21.50mm Max.
Body Thickness (th)	5.40mm Max.
Body Height (h)	25.50mm Max.
Lead Length (l)	25.00mm Min.
Lead Diameter (d)	1.00mm ±0.05mm
Detail Size Information	Please refer to the data sheet

Electrical Characteristics

Maximum Operating Voltage [DC]	56V
Maximum Operating Voltage [AC]	40Vrms
Nominal DischargeCurrent In [8/20μs, 15times]	1kA
Maximum Surge Current Imax [8/20µs, 1time]	2kA
Energy Absorption	37J
Capacitance (Typ.)	6.75nF

Other

Operating Temperature Range	Please refer to the data sheet
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: B72220S0400K101

Part Number	Distributor	Buy from Distributor	Stock Quantity	Country	Info Last Updated
B72220S0400K101	Dachs Electronica, S.A. Click to know about this distributor		2,000	ES	2026/02/09
B72220S0400K101	element14 Click to know about this distributor	Buy Now	1,328	SG	2026/02/11
B72220S0400K101	RS Click to know about this distributor	Buy Now	55	GB	2026/02/11
B72220S0400K101	TME Click to know about this distributor	Buy Now	462	Multiple	2026/02/11
B72220S0400K101	Arrow Electronics (UK) Ltd. Click to know about this distributor	Buy Now	1,000	Multiple	2026/02/12
B72220S0400K101	Avnet Click to know about this distributor	Buy Now	1,000	US	2026/02/12
B72220S0400K101	Buerklin GmbH & Co. Click to know about this distributor	Buy Now	815	DE	2026/02/12
B72220S0400K101	DigiKey Click to know about this distributor	Buy Now	6,178	Multiple	2026/02/12
B72220S0400K101	Farnell, An Avnet Company Click to know about this distributor	Buy Now	1,328	Multiple	2026/02/12
B72220S0400K101	Melchioni s.p.a. Click to know about this distributor		30,000	IT	2026/02/12
B72220S0400K101	Mouser Electronics Inc. Click to know about this distributor	Buy Now	3,277	Multiple	2026/02/12
B72220S0400K101	Newark, An Avnet Company Click to know about this distributor	Buy Now	1,328	US	2026/02/12
B72220S0400K101	TTI Inc - Europe Click to know about this distributor	Buy Now	70,250	Multiple	2026/02/12

Part Number:

B72220S0400K101

B72220S0400K101

Distributor	Dachs Electronica, S.A.
Buy from Distributor
Stock Quantity	2,000
Country	ES
Info Last Updated	2026/02/09

B72220S0400K101

Distributor	element14
Buy from Distributor	Buy Now
Stock Quantity	1,328
Country	SG
Info Last Updated	2026/02/11

B72220S0400K101

Distributor	RS
Buy from Distributor	Buy Now
Stock Quantity	55
Country	GB
Info Last Updated	2026/02/11

B72220S0400K101

Distributor	TME
Buy from Distributor	Buy Now
Stock Quantity	462
Country	Multiple
Info Last Updated	2026/02/11

B72220S0400K101

Distributor	Arrow Electronics (UK) Ltd.
Buy from Distributor	Buy Now
Stock Quantity	1,000
Country	Multiple
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	Avnet
Buy from Distributor	Buy Now
Stock Quantity	1,000
Country	US
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	Buerklin GmbH & Co.
Buy from Distributor	Buy Now
Stock Quantity	815
Country	DE
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	DigiKey
Buy from Distributor	Buy Now
Stock Quantity	6,178
Country	Multiple
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	Farnell, An Avnet Company
Buy from Distributor	Buy Now
Stock Quantity	1,328
Country	Multiple
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	Melchioni s.p.a.
Buy from Distributor
Stock Quantity	30,000
Country	IT
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	Mouser Electronics Inc.
Buy from Distributor	Buy Now
Stock Quantity	3,277
Country	Multiple
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	Newark, An Avnet Company
Buy from Distributor	Buy Now
Stock Quantity	1,328
Country	US
Info Last Updated	2026/02/12

B72220S0400K101

Distributor	TTI Inc - Europe
Buy from Distributor	Buy Now
Stock Quantity	70,250
Country	Multiple
Info Last Updated	2026/02/12

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

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