VRW25-470KJI Welwyn Components, VRW25-470KJI Datasheet

RESISTORS THICK FILM 0.25W 470K 5%RESISTORS THICK FILM 0.25W 470K 5%

VRW25-470KJI

Manufacturer Part Number

VRW25-470KJI

Description

RESISTORS THICK FILM 0.25W 470K 5%RESISTORS THICK FILM 0.25W 470K 5%

Manufacturer

Welwyn Components

Series

VRW25r

Datasheet

1.VRW25-10MJI.pdf (2 pages)

Specifications of VRW25-470KJI

Resistors Element Type

THICK FILM

Resistance

470KR

Case Style

AXIAL

Power Rating

0.25W

Tolerance, +

Tolerance, -

Temp, Op. Max

155(DEGREE

Rohs Compliant

YES

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High Voltage

Thick Film Resistors

VRW Series

Electrical Data

Power rating at 70 C

Resistance range

Limiting element voltage

Isolation voltage

TCR

Resistance Tolerance

Standard Values

Thermal Impedance

Ambient temperature range

Physical Data

Dimensions (mm) & Weight (g)

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own test data and is considered accurate at time of print.

Welwyn Electronics Park, Bedlington, Northumberland, NE22 7AA, England. Tel: 01670 822181 Fax: 01670 829465 Web:

Construction

Resistive thick film material is applied to high-grade ceramic

rods. Tin-plated steel caps are force fitted and the termination

wires are welded to the caps. The value is obtained by a

helical cut in the film and finally the resistor body is protected

by a cement coating applied so that the terminations remain

completely clear.

Marking

1% tolerance resistors are colour coded with 5 bands. 2% and

5% tolerance have 4 bands. IEC62 colours are used.

Welwyn Components Limited

VRW25

VRW37

Type

VRW37 meets the requirements of BS / EN / IEC 60065

High working voltage to 3.5kV in compact size

High ohmic range to 30M

High pulse load capability

Robust flameproof coating material

RoHS compliant

L max

6.2

9.0

D max

2.5

3.7

Issue B 05.06

f min

19.6

volts dc or ac peak

d nom

0.6

0.8

ppm/ C

C/watt

ohms

watts

centres

volts

mount

PCB

10.2

12.7

Terminations

Material:

Strength:

Solderability:

Solvent Resistance

The body protection and marking are resistant to all normal industrial

cleaning solvents suitable for printed circuits.

Flammability

The resistor coating will not burn under any condition of applied

temperature or power overload.

radius

bend

Min

0.6

1.2

100K to 30M

VRW25

1600

0.25

140

nom

Wt.

0.3

0.5

Hot tin dipped copper wire

The terminations meet the requirements of IEC

68.2.21

The terminations meet the requirements of IEC

115-1 Clause 4.17.3.2

E24 and E96 preferred

-55 to +155

1, 2, 5

700

200

A subsidiary of TT electronics plc

www.welwyn-tt.com

100K to 10M

VRW37

3500

112

0.5

Related parts for VRW25-470KJI

VRW25-470KJI Summary of contents

Page 1

... Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’s own test data and is considered accurate at time of print. Welwyn Components Limited Issue B 05.06 Welwyn Electronics Park, Bedlington, Northumberland, NE22 7AA, England. Tel: 01670 822181 Fax: 01670 829465 Web: VRW25 watts 0.25 ohms 100K to 30M ...

Page 2

... Alternative packaging is available by request. Pre-formed resistors are supplied loose packed in plastic bags or boxes. Ordering Procedure Example: VRW25 at 1.2 megohms and 5% tolerance in ammo pack box of 5000 pieces Type Value (use IEC62 code) Tolerance (use IEC62 code) ...

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