Datasheet > BF1601-10RFI

BF1601-10RFI

更新时间： 2022-04-23 23:00:11

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
7页	335K
描述
Tubular Vitreous Enamelled Wirewound Resistors

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BF1601-10RFI 数据手册

Tubular Vitreous Enamelled

Wirewound Resistors

1600/1900 Series

Welwyn Components

partial open winding necessitates a reduced maximum

resistance, when compared with fixed resistors, and the

resistance range is also defined in Table 4.

Adjustable Resistors (see Figure 9)

Adjustable resistors use the same basic construction as fixed

resistors already described, and have a window in the vitreous

enamel through which contact is made to the resistive

element by a sliding contact band. The band is fitted with a

clamping screw and nut to retain it firmly in position.

More than one adjusting band can be fitted, up to the

maximum number specified in Table 3.

Adjustable resistors are available in termination styles B, 4B,

AP, C, CB and CP, in sizes 1602 to 1609 inclusive and 1906

and 1908 denoted by prefix ‘V’.

The adjustable winding style has a maximum permissible hot

spot temperature of 300°C and the maximum dissipation, for

an ambient temperature of 20°C, is specified in Table 4. The

Table 3

Tube

size

A mm

max.

B mm

max.

Hole C

Max. no of

adjusting

bands

dia. mm

1602

1603

1906

1604

1605

1908

1606

1607

1608

1609

3.2

3.7

Table 4

Max. dissipation in

Resistance range (ohms)

20°C ambient (watts)

Type

Min. for

styles VC,

VCP

Min. for

all other

styles

Max. for

all styles

200°C

300°C

hot spot

15.5

1602

1906

1603

1604

1605

1908

1607

1606

1608

1609

1.6k

2.5k

9.5

3.0k

5.3k

4.5k

7.5k

8.1k

13.2k

15.4k

25.5k

101

145

Manufactured Values

E24 preferred

Standard Selection Tolerance 10ꢀ

All other details of the electrical and environmental

performance of adjustable resistors are the same as for

fixed resistors.

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

Issue E · 10.05

124

1 2 345 6 7

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