Mfr Part #:

B72210S170K551

Mfr Name: EPCOS

The EPCOS B72210S170K551 is a varistor designed for transient voltage suppression. It features a typical varistor voltage of 27V and a surge current rating of 500A.

✓ Total Stock: 1,500 pcs

$ Price Range: $0.99

B72210S170K551 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Bristol Electronics ✓ Non-Authorised Inventory information	1,500 pcs On Request	1500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

B72210S170K551 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	EPCOS

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B72210S170K551 Description

Short technical summary and product information.

The EPCOS B72210S170K551 is a varistor belonging to the Standard series, designed for circuit protection applications. This component operates with a maximum AC voltage of 17V and a maximum DC voltage of 22V, with a typical varistor voltage of 27V.

Key electrical characteristics include a high surge current capability of 500A and an energy rating of 2.5J, making it suitable for absorbing transient voltage spikes. It has a single circuit configuration and a capacitance of 4350 pF at 1 kHz.

This varistor is designed for through-hole mounting and comes in a 10mm disc package. The operating temperature range is from -40°C to 105°C. The component is supplied in Tape & Reel packaging.

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH Unaffected status, though these are currently unverified.

B72210S170K551 Quick Information

Product Type: Varistor

Series: Standard

Canonical Name: EPCOS B72210S170K551 Varistor

Subcategory: TVS - Varistors, MOVs

B72210S170K551 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

B72210S170K551 Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

B72210S170K551 Features

27V typical varistor voltage rating.
500A peak surge current capability.
2.5J energy absorption capacity.
Through-hole mounting for easy integration.
10mm disc package size.

B72210S170K551 Applications

Protects electronic circuits from transients.
Suitable for power supply applications.
Used in industrial equipment.
Ideal for surge protection circuits.

B72210S170K551 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the varistor voltage of the B72210S170K551?

The typical varistor voltage is 27V, with a minimum of 24.3V and a maximum of 29.7V.

What is the maximum surge current rating?

The maximum peak pulse current is 500A.

What is the energy rating of this varistor?

The maximum energy absorption is 2.5J.

What is the capacitance of the B72210S170K551?

The typical capacitance is 4350pF at 1kHz.

What is the operating temperature range?

The operating temperature range is -40°C to 105°C.

What package does the B72210S170K551 come in?

It comes in a Disc 10mm package with through-hole mounting.

What are the maximum AC and DC voltage ratings?

The maximum AC voltage is 17V and the maximum DC voltage is 22V.