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TDK Standard Metal Oxide Varistor 940pF 100A Clamping Voltage 650V B72220S0251K101

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TDK Standard Metal Oxide Varistor 940pF 100A Clamping Voltage 650V B72220S0251K101

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Category Varistor Brand TDK Condition New

Specifications

Country of Origin	India
Diameter	21.5mm
Brand	TDK
Material	Metal
THICKNESS	5.3mm
Length	25.5mm
Model	B72220S0251K101
Packaging	Bulk
Mount Type	Lead
Series	Standard
Energy Rating	140J
Maximum Operating Temperature	85°C
Capacitance	940pF
Minimum Operating Temperature	-40°C
Maximum dc Voltage	320V dc
Standards/Approvals	UL, CQC, IEC, CSA, VDE
Pin Count	2
Termination Style	Solder
Lead Pitch	10mm
Maximum AC Voltage	250V ac
Clamping Voltage VC	650V
Clamping Current	100A
Maximum Surge Current	8kA
Varistor Voltage	390 V

Key Features

Metal oxide varistor with a capacitance of 940 pF for effective transient voltage suppression.
Clamping current rating of 100 A to handle high surge currents safely.
Clamping voltage of 650 V, suitable for protecting circuits up to this voltage level.
High maximum AC voltage rating of 250 V and DC voltage rating of 320 V.
Durable metal material with epoxy coating ensuring reliability and long service life.
Operates reliably between -40°C and 85°C temperature range.
Lead mounting type with solder termination style and 10 mm lead pitch for easy PCB mounting.
Standard series metal oxide varistor with 140 J energy rating suitable for industrial and electronic applications.

Product Description

TDK B72220S0251K101 is a standard metal oxide varistor designed for effective surge protection in electronic circuits. It features a capacitance of 940 pF, allowing it to absorb transient voltages effectively and protect sensitive components. The varistor supports a clamping current of 100 A and a clamping voltage of 650 V, making it capable of suppressing high-energy voltage spikes commonly encountered in industrial and consumer electronics.

Constructed with a metal oxide core coated in epoxy resin, it ensures durability and reliable operation over a wide temperature range from -40°C to 85°C. Its compact and radial design with leads spaced at a 10 mm pitch enables straightforward PCB mounting with solder termination. The device fits applications requiring maximum AC voltages up to 250 V and DC voltages up to 320 V.

This varistor complies with key international standards including UL, CSA, IEC, and VDE, assuring customers of its quality and safety. Its energy rating of 140 joules and capability to handle surge currents up to 8 kA (in 8/20 µs waveforms) makes it suitable for protecting power supplies, control systems, and industrial equipment from transient surges.

Metal oxide varistor construction with epoxy coating for protection against environmental factors. Capacitance of 940 pF ensures minimal impact on circuit performance while providing surge suppression. Lead mounting type with solder termination facilitates integration into bulk and automated production environments.

Rated for high surge currents and energy absorption for dependable electrical transient protection. Wide operating temperature range ensures functionality in various industrial and commercial environments.

This TDK varistor is ideal for use in electronic assemblies, power supplies, industrial machinery, and electrical distribution panels where transient voltage suppression is critical to device longevity and safety.

Explore more high-quality surge protection components in the Varistors category at EnvMart for reliable and efficient latest electronic components.