Datasheet > V700

V700

更新时间： 2024-11-09 03:20:59

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	141K
描述
Vitreous Enamelled Wirewound Resistors

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中文翻译

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V700 数据手册

Vitreous Enamelled

Wirewound Resistors

Welwyn Components

V700 (RB Style) Series

• BS/CECC approved

Stability for harsh environments

•

Overload characteristics ideal for

protection circuits

•

High stability and reliability

•

High power dissipation for size

•

Impervious lead free vitreous enamel coating

•

Electrical Data

V757

(RB57)

V758

(RB58)

11.0

V759

(RB59)

3.0

V760

(RB60)

8.0

V761

(RB61)

5.0

Power rating at 25°C

Resistance range

Limiting element voltage

TCR

watts

ohms 0R1 to 20K 0R2 to 82K 0R1 to 10K 0R1 to 56K 0R1 to 15K

volts

ppm/°C

200

400

100

250

160

Typically: +75

Maximum +120

Resistance tolerance

Closer tolerances to special order

Approved CECC 40201 - 001

Power rating at 25°C

Power rating at 70°C

Resistance range

watts

6.5

5.6

3.0

2.6

8.0

6.9

5.0

4.3

ohms 0R1 to 20K

0R1 to 10K 0R1 to 56K 0R15 to 15K

Limiting element voltage

TCR

volts

ppm/°C

160

250

160

>20 ohms 500

≥20 ohms -50 +250

Resistance tolerance

Standard values

E24 preferred. Other values to special order

Thermal impedance

Ambient temperature range

°C/watt

°C

-55 to 200

* See temperature rise in graph Application Notes

Physical Data

Maximum Dimensions (mm) and Weight (g)

Type

L max

22.2

D max

f min

d max

0.88

Wt. Nom

V757 (RB57)

V758 (RB58)

V759 (RB59)

V760 (RB60)

V761 (RB61)

12.7

5.6

10.0

7.0

Construction

A high purity ceramic substrate is assembled with force fit

end caps to which are welded the termination wires.

The resistive element is wound on the substrate and welded to

the caps; the vitreous enamel protective coating is then applied.

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.

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

中文翻译

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