Datasheet > PW-7

PW-7

更新时间： 2024-09-15 03:40:39

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
4页	147K
描述
General Purpose Power Wirewound Resistors

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中文翻译

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数据手册

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PW-7 数据手册

General Purpose Power

Wirewound Resistors

Welwyn Components

PW Series

• 2 watts to 25 watts

0.10 ohms to 30K ohms

•

10ꢀ oꢁ 5ꢀ toꢂꢃꢁarꢄꢃ

•

TC’s fꢁom 300 ppm/°C to +5500 ppm/°C

•

Electrical Data

PW-2

PW-3

PW-5

PW-7

PW-10

PW-15

PW-18

PW-22

PW-25

Power rating at 25°C

Resistance range

watts

ohms 0R15 to 2K4

0R1 to 7K5

0.1 to 0.99

1.0 to 7.5K

0.1 to 86

0.1 to 270

0.24 to 20

0R1 to 8K5

0.1 to 0.99

1.0 to 8.5K

0.1 to 68

0.1 to 300

0.27 to 22

0R1 to 18K

0.1 to 0.99

1.0 to 18K

0.1 to 150

0.15 to 680

1.0 to 51

0R18 to 30K 0R18 to 30K 0R18 to 22K 0R27 to 18K 0R27 to 18K

Temperature coefficient 0.06%/°C 0.15 to 0.99

0.18 to 0.99

1.0 to 30K

0.1 to 240

0.18 to 0.99

1.0 to 30K

0.1 to 240

0.18 to 0.99

1.0 to 22K

0.1 to 200

0.27 to 1.3

1.5 to 12K

0.15 to 360

0.27 to 1.3

1.5 to 10K

0.15 to 300

over R range

0.03%/°C

+0.55%/°C

+0.45%/°C

+0.25%/°C

1.0 to 2.4K

0.1 to 30

0.24 to 130

1.0 to 10

0.24 to 1100 0.24 to 1100 0.24 to 1100 0.36 to 1800 0.36 to 1200

1.0 to 82

1.0 to 70

1.0 to 120

1.5 to 100

Please note: When ordering the alternative configuration please add an ‘A’ after the part number. (i.e., PW-2A)

Physical Data

Dimꢃrsiors (mm)

0.8

d dia.

0.8

LL min.

36.6

38.1

F (ref.)

1.60

3.18

PW-2

17.5

6.35

7.87

PW-3

22.4

35.3

47.8

63.5

7.87

9.65

12.7

7.87

8.64

12.7

0.91

1.0*

9.65

10.4

11.9

16.0

PW-5

PW-7

PW-10

PW-15

PW-18

PW-22

PW-25

* Copper Clad Steel

Stardaꢁd Corfiguꢁatior

Aꢂtꢃꢁratꢃ Corfiguꢁatior

0.125 max.

Gꢃrꢃꢁaꢂ Notꢃ

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.

A subsidiary of

TT electronics plc

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

Issue B · 03.02

111

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