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B-1 Datasheet, PDF (1/3 Pages) IRC - a TT electronics Company. – Beryllia Core, Silicone Coated Power Resistors MIL-R-26 (RW) & Commercial Industrial Styles | |||
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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 ï¬ner 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
Standard Temperature Coefï¬cients
Special Temperature Coefï¬cients
Tolerance
Resistance Values
Coating
Leads
Dielectric Strength
Insulation Resistance
Beryllia core provides ï¬nest 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 10â¦up
± 50 ppm/°C 1⦠to 9.9â¦
± 400 ppm/°C 0.5⦠to 0.499â¦
± 650 ppm/°C 0.1⦠to 0.499â¦
22 special T.C.âs available from -20 ppm to +6000 ppm
± 1% to + 0.1%
From .1 to 150K
Special high temperature silicone coating, impervious to moisture,
salt water immersion, and abrasion
Tinned copperweld is standard
500 volts AC for B-1, B-2, B-3; all others 1000 volts
5000 megaohms minimum dry
General Note
IRC reserves the right to make changes in product speciï¬cation without notice or liability.
All information is subject to IRCâs own data and is considered accurate at time of going to print.
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
A subsidiary of
TT electronics plc
B Series Issue September 2008 Sheet 1 of 3
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