spp1-100rji Welwyn Components, spp1-100rji Datasheet

spp1-100rji

Manufacturer Part Number

spp1-100rji

Description

General Purpose Wirewound Resistors

Manufacturer

Welwyn Components

Datasheet

1.SPP1-100RJI.pdf (2 pages)

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Fuse/Pulse Applications

SPP resistors normally fuse in less than one minute with five

to ten times rated wattage depending on the range. By

modifying the windings, using a different wire size or type,

they can be made to fuse much faster.

General Purpose

Wirewound Resistors

SPP Series

•

Electrical Data

Note: Unless specified otherwise standard test centres are 1

Physical Data

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 data and is considered accurate at time of going to print.

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

Type

Resistance range

Standard Tolerance

Power Rating

Load Life Stability

Max. Continuous Working Voltage

Min. Insulation Resistance - Dry

Min. Insulation Resistance - Wet

Min. Dielectric Withstanding Voltage

Current Noise

Temperature Rise at Rated Load, 25°C Ambient

Dimensions (inches)

Type

SPP-1

SPP-2

SPP-3

0R1 to 2K4 ohms

Positive high TC’s upon request

Weldable and solderable magnetic leads

Lower ranges available - contact factory

A max

0.400

0.570

· Bedlington, Northumberland NE22 7AA, UK

B max

0.148

0.170

C±0.002

0.032

ohms

watts

±%

inches.

On the other hand, by using larger wire diameters and higher

melt temperature alloys they can handle from five to fifty

times overloads of film resistors depending on the range.

Derating to 0 @ 160°C

1 @ 85°C ± 10%

Approx. 150°C

0.75 @ 105°C

0.5 @ 125°C

0R1 - 1K2*

1 @ 85°C

SPP-1

5, 10

1.125 min

2 @ 85°C ± 10%

10,000 megohm

Approx. 200°C

600 volts RMS

100 megohm

1 @ 140°C

0R1 - 2K4

2 @ 85°C

Negligible

Welwyn Components

SPP-2

5, 10

max.

3 @ 85°C ± 10%

Approx. 225°C

2 @ 145°C

1 @ 190°C

0R1 - 2K4

3 @ 85°C

SPP-3

TT electronics plc

5, 10

A subsidiary of

Issue B · 03.02

Related parts for spp1-100rji

spp1-100rji Summary of contents

Page 1

... 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 data and is considered accurate at time of going to print. © Welwyn Components Limited · ...

Page 2

... SPP- 100 150 Ambient Temperature (°C) Ordering Procedure Example: SPP1 at 100 ohms and 5% tolerance tape packed on a reel – Type Value (use IEC62 code) Tolerance (use IEC62 code 10% Packing I Tape Standard © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 · ...

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