VR37

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Vishay BCcomponents

Revision: 17-Aug-11

1

Document Number: 28733

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

High Ohmic/High Voltage Metal Glaze Leaded Resistors

A metal glazed film is deposited on a high grade ceramic

body. After a helical groove has been cut in the resistive

layer, tinned electrolytic copper wires are welded to the

end-caps. The resistors are coated with a light blue lacquer

which

provides

electrical,

mechanical,

and

climatic

protection.

The encapsulation is resistant to all cleaning solvents in

accordance with IEC 60068-2-45.

FEATURES

• Technology: Metal glaze

• These resistors meet the safety requirements of:

UL1676 (510 k

 to 11 M); File No: E171160

IEC 60065, clause 14.1.a)

DIN EN 60065, clause 14.1.a)

VDE 0860, clause 14.1.a)

CQC, China

• High pulse loading capability (10 kV)

• Small size (0309)

• Pure tin plating provides compatibility with lead (Pb)-free

and lead containing soldering processes

• Compliant to RoHS Directive 2002/95/EC

APPLICATIONS

• Where high resistance, high stability and high reliability at

high voltage are required

• Safety component in combination with high voltage

• White goods

• High humidity environment

• Power supplies

Note

TECHNICAL SPECIFICATIONS

DESCRIPTION

UNIT

VR37



100K to 33M

Resistance Tolerance

%

± 1; ± 5

Resistance Series

± 1 %: E24/E96 series;

± 5 %: E24 series

W0.5

K/W

120

Temperature Coefficient

ppm/K

 ± 200

DC

V

3500

RMS

2500

Dielectric Withstanding Voltage of the Insulation for 1 Min

V

700

Basic Specifications

IEC 60115-1

Safety Requirements

UL1676 (510 k

 to 11 M); DIN EN 60065, IEC 60065

clause 14.1.a); VDE 0860, clause 14.1.a), CQC

Climatic Category (IEC 60068-1)

55/155/56

Max. Resistance Change for Resistance Range,

R max., after:

± (1.5 % R +0.1

)

Long Term Damp Heat Test (56 Days)

± (1.5 % R +0.1

)

Soldering (10 s, 260 °C)

± (1.5 % R +0.1

)

Noise

μV/V

max. 2.5