VDRUS Series

www.vishay.com

Vishay BCcomponents

Revision: 18-Oct-2021

1

Document Number: 29185

For technical questions, contact: nlr@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

VDR Metal Oxide Varistors Ultra Surge

High Operating Temperature 125 °C

LINKS TO ADDITIONAL RESOURCES

ORDERING INFORMATION

The varistors are available in a number of packaging

options:

•Bulk

• On tape on reel

• On tape in ammopack

The basic ordering code for each option is given in tables

titled Varistors on Tape on Reel, Varistors on Tape in

Ammopack, and Varistors in Bulk. To complete the catalog

number

and

to

determine

the

required

operating

parameters, see Electrical Data and Ordering Information

table.

Note

• Special lead-configuration as inside or outside crimped leads

available upon request

AGENCY APPROVALS

• cUL certificate

• ULus certificate

• VDE certificate

Note

• Agency approval documents, please see:

www.vishay.com/ppg?29185&documents

FEATURES

•Low

β high purity zinc oxide disc

• Halogen free high temperature resistant silicone

coated

• Straight or kinked leads

• Ultra high current surge/size ratio capability up

to 13 kA for US20 types

• Certified for operation up to 125 °C according to

UL 1449 edition 4, VDE/IEC 61051-1/2

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

APPLICATION

• Overvoltage and transient voltage protection

DESCRIPTION

The varistors consist of a disc of low-ß ceramic material with

two solid copper leads (US20 types only) or copper clad

steel wire. The wires have a matte tin plating. They are

coated with UL 94 V-0 approved silicone lacquer, which

provides electrical, mechanical and climatic protection.

MOUNTING

The varistors are suitable for hand-mounting (bulk) or

automatic pick and place mounting (T and R). The parts can

be connected by wave soldering and pin-in-paste reflow

soldering under defined process conditions. Bending of the

leads for different angle placement is not recommended.

Typical Soldering

235 °C, duration: 5 s (Pb-bearing)

245 °C, duration: 5 s (lead (Pb)-free)

Resistance to Soldering Heat

260 °C, duration: 10 s max.

MARKING

The varistors are marked with the following information:

• Maximum continuous RMS voltage with - U suffix

• Series numbers

- 572 for VDRUS07

- 573 for VDRUS10

- 575 for VDRUS14

- 576 for VDRUS20

• Manufacture logo

• Date of manufacture (YYWW)

• Safety marks on VDRUS10-14-20 types

INFLAMMABILITY

The varistors are passive non-flammable. The encapsulation

is made of flame resistant silicone in accordance with

UL 94 V-0.

QUICK REFERENCE DATA

PARAMETER

VALUE

UNIT

Maximum continuous voltage in

operating temperature range:

RMS

115 to 680

V

DC

150 to 895

V

Maximum non-repetitive transient

current INRP (8 x 20 μs)

1800 to 13 000

A

Maximum energy

(10/1000 μs)

19 to 720

J

Detailed specification

Based on

IEC 61051-1

IEC 61051-2

IEC 61051-2-2

Storage temperature

-40 to +150

°C

Operating temperature

-40 to +125

°C

REG F313

333

DDD3 D

3D Models

Design Tools

Models