Datasheet > WR5

WR5

更新时间： 2024-01-29 22:43:14

品牌	Logo	应用领域
威世 - VISHAY		电阻器
页数	文件大小	规格书
5页	130K
描述
High Power Metal Oxide Leaded Resistors

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数据手册

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WR5 数据手册

WK/WR

Vishay Draloric

High Power Metal Oxide Leaded Resistors

FEATURES

• Rugged metal oxide film

• High power dissipation in small size (1 W/0207

size to 4 W/0922 size)

• High temperature coating (up to 200 °C),

non-flammable

• Lead (Pb)-free solder contacts

• Pure tin plating provides compatibility with lead (Pb)-free

and lead containing soldering processes

• Compliant to RoHS directive 2002/95/EC

STANDARD ELECTRICAL SPECIFICATIONS

RATED DISSIPATION LIMITING ELEMENT TEMPERATURE

TOLERANCE

RESISTANCE

RANGE

MODEL

SIZE

P₇₀

VOLTAGE U_max.

V≅

COEFFICIENT

ppm/K

E-SERIES

WK2

WR4

0207

0414

1.0

2.0

500

4.7 Ω to 1 MΩ

E24, E96

4.7 Ω to 1 MΩ

E24, E48

E24

100

200

0.22 Ω to 1 MΩ

E24

1 Ω to 1 MΩ

0.33 Ω to 1 MΩ

E24, E48

E24

1 Ω to 100 kΩ

0.22 Ω to 560 kΩ

E24, E48

E24

WR5

WK8

0617

0922

3.0

4.0

750

200

1 Ω to 68 kΩ

0.22 Ω to 100 kΩ

E24, E48

E24

Notes

• Coating: Green

• Marking: WK2 and WR4 have color code band marking. TCR band will be given to only WK2, 100 ppm, 5 %. WR5 and WK8 are printed marked.

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

WK2

1.0

WR4

2.0

WR5

3.0

WK8

4.0

Rated Dissipation, P₇₀

Limiting Element Voltage, U_max.

Insulation Voltage, U_ins(1 Min)

Thermal Resistance, R_th

Insulation Resistance

(1)

V≅

500

750

> 500

≤ 140

> 500

≤ 100

> 500

≤ 70

> 500

≤ 60

K/W

> 10⁹

Category Temperature Range ⁽²⁾

Failure Rate

°C

- 55 to + 200

< 1

10^-8/h

Weight

0.2

0.7

1.5

3.5

Notes

⁽¹⁾Rated Voltage P x R

⁽²⁾For values < 10R the upper limiting temperature is 155 °C. The power rating is correspondingly lower and can be calculated by R_th.

www.vishay.com

176

For technical questions, contact: filmresistorsleaded@vishay.com

Document Number: 20128

Revision: 26-May-10

12 3 4 5

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