WRM0102 参数 Datasheet PDF下载

Mini Melf

Resistors

WRM Series

Welwyn Components

TCR and Tolerance Range

Type

Reference

5%

WRM0102

WRM0102

WRM0102

WRM0102

WRM0102

WRM0204

WRM0204

WRM0204

WRM0204

WRM0204

WRM0207

WRM0207

WRM0207

WRM0207

WRM0207

±50ppm

±25ppm

±15ppm

±10ppm

±05ppm

±50ppm

±25ppm

±15ppm

±10ppm

±05ppm

±50ppm

±25ppm

±15ppm

±10ppm

±05ppm

R22 – R91

–

–

–

–

R22 – R91

–

–

–

–

R22 – R91

–

–

–

–

2%

IRO – 9R1

–

–

–

–

–

–

–

–

–

–

–

–

–

–

1.0%

10R – 2.21M

10R – 221K

–

–

–

1R – 10M

10R – 475K

–

–

–

1R – 8.2M

–

–

–

–

0.5%

47RS – 221K

47R5 – 221K

100R – 100K

–

–

10R – 475K

10R – 475K

10R – 221K

–

–

10R – 1M

10R – 1M

–

–

–

0.25%

100R – 221K

100R – 221K

100R – 100K

–

–

22R – 332K

22R – 332K

22R – 221K

22R – 221K

100R – 100K

–

–

–

–

–

0.1%

–

100R – 100K

100R – 100K

–

–

43R – 332K

43R – 332K

43R – 221K

43R – 221K

100R – 100K

–

–

–

–

–

TCR

Tolerance

* TC 10ppm & 5ppm is specified over the temperature range -10°C to +85°C.

Performance Data

Test

Description

0.25

75

Ω

– <100 kΩ

Short time overload*

Bending test*

Resistance to soldering heat

Temperature rapid change

Endurance*

Load life

Climatic sequence*

Damp heat steady state*

Current noise

Solderability

Voltage coefficient

Voltage proof

200V

1000h

8000 h

≤

0.25% + 0.05

Ω

≤

0.5% + 0.05

Ω

≤

0.25% + 0.05

Ω

≤

0.25% + 0.05

Ω

< 0.05 µV/V

≤

0.25% + 0.05

Ω

≤

0.5% + 0.05

Ω

≤

0.5% + 0.05

Ω

≤

0.5% + 0.05

Ω

< 0.25 µV/V

Dipped area shall be covered with a smooth

and bright solder coating of at least 96%

< 0.5 . 10

6

/V

300V

500V

≤

0.5% + 0.05

Ω

≤

1.0% + 0.05

Ω

≤

1.0% + 0.05

Ω

≤

1.0% + 0.05

Ω

< 3 µV/V

≤

0.05% + 0.01

Ω

≤

0.05% + 0.01

Ω

≤

0.05% + 0.01

Ω

≤

0.05% + 0.01

Ω

Results

0.5

10

Ω

– <75

Ω

>100 kΩ – 332 kΩ

≤

0.1% + 0.01

Ω

≤

0.1% + 0.01

Ω

≤

0.1% + 0.01

Ω

≤

0.1% + 0.01

Ω

R/R ±

1.0

0.22

Ω

– <10

Ω

>332 kΩ – 10 MΩ

≤

0.25% + 0.05

Ω

≤

0.25% + 0.05

Ω

≤

0.25% + 0.05

Ω

≤

0.25% + 0.05

Ω

Stability class

* Resistors to be mounted on a PC-board according to IEC 115-1, clause 4.27.1

© Welwyn Components Limited

Bedlington, Northumberland NE22 7AA, UK

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

Issue D · 09.06