Datasheet > B-2

B-2

更新时间： 2024-10-29 12:56:19

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描述
Beryllia Core, Silicone Coated Power Resistors MIL-R-26 (RW) & Commercial Industrial Styles

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B-2 数据手册

Beryllia Core, Silicone Coated

Power Resistors MIL-R-26 (RW)

& Commercial Industrial Styles

B Series

IRC "B" Series resistors offer power ratings up to 4 times highere than standard power wirewound resistors of

equal size. This is made possible due to a ﬁner heat dissipation pattern. The Series "B" resistors will equal the

same stability and environmental requirements of lower rated conventional resistors.

Electrical Data

Heat Dissipation

Power Rating

Power to Size Ratio

Wattage

Beryllia core provides ﬁnest possible pattern

Up to 4x higher than conventional resistors, depending upon physical size

35% to 400% greater than standard silicone coated types

1 watt to 18 watts

± 20 ppm/°C 10Ωup

± 50 ppm/°C 1Ω to 9.9Ω

± 400 ppm/°C 0.5Ω to 0.499Ω

± 650 ppm/°C 0.1Ω to 0.499Ω

Standard Temperature Coefﬁcients

Special Temperature Coefﬁcients

Tolerance

22 special T.C.’s available from -20 ppm to +6000 ppm

± 1% to + 0.1%

Resistance Values

From .1 to 150K

Special high temperature silicone coating, impervious to moisture,

salt water immersion, and abrasion

Coating

Leads

Tinned copperweld is standard

500 volts AC for B-1, B-2, B-3; all others 1000 volts

5000 megaohms minimum dry

Dielectric Strength

Insulation Resistance

General Note

IRC reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

A subsidiary of

TT electronics plc

Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

B Series Issue September 2008 Sheet 1 of 3

12 3

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