Carbon Composition Resistors

CCR Series

92

Welwyn Components

Performance Data

Typical Change

Load at rated power: 1000hrs @ 25°C

∆

R%

±5%

Dry heat: 1000hrs @ 125°C

∆

R%

±5%

Long Pulse: 100mS at 60 x Rated Power

∆

R%

±2%

Short term overload: 2s at 6.25 x Rated Power

∆

R%

±2%

Derating from rated power @ 25°C

Zero at 125°C

Climatic sequence

∆

R%

±8%

Vibration

∆

R%

±2%

Temperature rapid change

∆

R%

±2%

Resistance to solder heat

∆

R%

±2%

Isolation voltage

V

500V

The graphs below show the value changes resulting from applying multiple pulses of increasing peak voltage. The pulse shape

was 1.2/50µS as defined in IEC 6100-4-5 / ANSI C62.41. The highest voltage plotted on each graph represents the maximum

peak voltage for that resistance value.

Pulse Performance

© 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 C · 03.06

0

0%

20%

40%

60%

80%

100%

120%

CCR1-240R

1.2/50 PeakVoltage /kV

MEAN

MIN

MAX

5

10

15

20

0

0%

20%

40%

60%

80%

100%

120%

CCR1-1K0

1.2/50 PeakVoltage /kV

MEAN

MIN

MAX

5

10

15

20

0

0%

20%

40%

60%

80%

100%

120%

CCR1-2K2

1.2/50 PeakVoltage /kV

MEAN

MIN

MAX

5

10

15

20

0

0%

20%

40%

60%

80%

100%

120%

CCR1-15K

1.2/50 PeakVoltage /kV

MEAN

MIN

MAX

5

10

15

20

OBSOLETE