t1801000 IRC - a TT electronics Company., t1801000 Datasheet - Page 2

• Manufacturer Part Number: t1801000
• Description: Commercial Styles Semi-precision Power Wirewound Resistors
• Manufacturer: IRC - a TT electronics Company.

General Specifications
Lead Material:
Tinned copperweld is standard.
Also available: Weldable Grade A nickel (bare)
Special Features:
- Radial lead available
- Resistance network packages designed to individual customer requirements
- Temperature coefficient matching and tracking to ±5 ppm
- High thermal conductivity core (Beryllium Oxide) available. See B Series.
- Ratio tolerance matched sets available
Wire and Film Technologies Division
Telephone: [phone] • Facsimile: 361 992 3377 • Website: www.irctt.com
Commercial Styles
Semi-Precision
Power Wirewound Resistors
Temperature Range
Standard Temperature Coefficient
Special Temperature Coefficient
Insulation Resistance
Derating
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Characteristic U = -55°C to +275°C
Characteristic V = -55°C to +350°C
±20 ppm/°C 10Ω up
±50 ppm/°C 1.0Ω to 9.9Ω
±400 ppm/°C 0.50Ω to 0.999Ω
±650 ppm/°C 0.1Ω to 0.490Ω
Available from -30 ppm/°C to +6000 ppm/°C
Temperature range for special TC’s -50°C to +150°C
1000 megohms minimum dry at 100 volts DC
Wattage rating based on operation at 25°C
Derate to zero at 275°C & 350°C for "U" and "V" style rating
T Wirewound Series Issue December 2008 Sheet 2 of 4