Datasheet > SPP-3

SPP-3

更新时间： 2024-11-09 03:31:19

品牌	Logo	应用领域
TTELEC		电阻器线绕电阻器
页数	文件大小	规格书
2页	109K
描述
General Purpose Wirewound Resistors

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SPP-3 数据手册

General Purpose

Wirewound Resistors

Welwyn Components

SPP Series

0R1 to 2K4 ohms

•

Positive high TC’s upon request

Weldable and solderable magnetic leads

Lower ranges available - contact factory

Electrical Data

Type

SPP-1

±R1 - 1Kꢀ*

SPP-2

±R1 - ꢀK4

5, 1±

SPP-3

±R1 - ꢀK4

5, 1±

Resistance range

Standard Tolerance

ohms

±ꢁ

5, 1±

1 @ 85°C

ꢀ @ 85°C

1 @ 14±°C

3 @ 85°C

ꢀ @ 145°C

1 @ 19±°C

±075 @ 1±5°C

±05 @ 1ꢀ5°C

Derating to ± @ 16±°C

1 @ 85°C ± 1±ꢁ

Power Rating

watts

Load Life Stability

ꢀ @ 85°C ± 1±ꢁ

√PR

3 @ 85°C ± 1±ꢁ

Max0 Continuous Working Voltage

Min0 Insulation Resistance - Dry

Min0 Insulation Resistance - Wet

Min0 Dielectric Withstanding Voltage

Current Noise

1±,±±± megohm

1±± megohm

6±± volts RMS

Negligible

Approx0 ꢀ±±°C

Temperature Rise at Rated Load, ꢀ5°C Ambient

Approx0 15±°C

Approx0 ꢀꢀ5°C

Note: Unless specified otherwise standard test centres are 1³/4 inches0

Physical Data

Dimensions (inches)

max.

Type

A max

±04±±

±057±

B max

±0148

±017±

C±±0±±ꢀ

±0±3ꢀ

SPP-1

SPP-2

SPP-3

±0±3ꢀ

1.125 min

±0±3ꢀ

Fuse/Pulse Applications

SPP resistors normally fuse in less than one minute with five

to ten times rated wattage depending on the range0 By

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

they can be made to fuse much faster0

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 range0

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability0

All information is subject to Welwyn’s own data and is considered accurate at time of going to print0

A subsidiary of

TT electronics plc

Telephone: +44 (±) 167± 8ꢀꢀ181 · Facsimile: +44 (±) 167± 8ꢀ9465 · Email: info@welwyn-tt0com · Website: www0welwyn-tt0com

Issue B · ±30±ꢀ

中文翻译

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