Datasheet

General Note
IRC reserves the right to make changes in product specifi cation 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
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: [phone] • Facsimile: 361 992 3377 • Website: www.irctt.com
Silicone coat
Weldable and
solderable leads
All welded
construction
High thermal
conductivity,
centerless ground
ceramic cores
for optimum heat
distribution and
dissipation
T / NT Wirewound Series
• 0.1: to 300K:
• 0.75 to 14 watts
• ±0.1% to ±10% tolerance
• Non-inductive windings available
• Meets or exceeds all applicable MIL-R-26 ratings
Commercial Styles
Semi-Precision
Power Wirewound Resistors
* Available as radial lead = type TR.
Designate non-inductive winding by adding the prefi x "N" to style.
1
The RWR is obsolete. The listed parts correspond to the commercial equivalent parts that are manufactured with the same procedures but lack
the burn-in screening that is required by MIL-PRF-39007
Electrical Data
IRC
Style
Similar To
MIL-R-26
Style
Similar to
MIL-PRF-39007
Style
1
Wattage Rating Resistance Range (:)
Maximum
Working
Voltage
U V Min : Max K:
T-1/2
--- --- 0.75 --- 0.1 4 54.8
T-1/2-A81
RW81 RWR81
1
1.0 --- 0.1 4.5 67.1
T-1A-70
RW70 --- 1.0 --- 0.1 12 109.5
T-1-80
RW80 RWR80
1
2.0 --- 0.1 12 154.9
T-2A*
--- --- 3.0 3.75 0.1 25 306.2
T-2A-69
RW69 --- --- 3.0 0.1 20 244.9
T-2B-79
RW79 RWR89
1
3.0 --- 0.1 40 346.4
T-3
--- --- 4.0 5.5 0.1 38 457.2
T-5*
--- --- 5.0 6.5 0.1 45 540.8
T-5-74
RW74 RWR74 / 84
1
5.0 --- 0.1 94 685.5
T-6
--- --- 6.0 7.5 0.1 65 698.2
T-6-67
RW67 --- --- 6.5 0.1 92 773.3
T-7*
--- --- 7.0 9.0 0.1 115 1017.3
T-7A-55
RW55 --- --- 7.0 0.1 200 1183.2
T-10A-56
RW56 --- --- 14.0 0.1 300 2049.4
T-10*
--- --- 10.0 13.0 0.1 300 1974.8
T-10-78
RW78 RWR78
1
10.0 --- 0.1 300 1732
T-10-68
RW68 --- --- 11.0 0.1 300 1816.6
T / NT Wirewound Series Issue January 2010 Sheet 1 of 4
Commercial Styles Semi-Precision
Power Wirewound Resistors
Electrical Data
T / NT Wirewound Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
© TT electronics plc
07.12
· 0.1Ω to 300KΩ
· 0.75 to 14 watts
· ±0.1% to ±10% tolerance
· Non-inductive windings available
· Meets or exceeds all applicable MIL-R-26 ratings
General Note
IRC reserves the right to make changes in product specifi cation 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
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: [phone] • Facsimile: 361 992 3377 • Website: www.irctt.com
Silicone coat
Weldable and
solderable leads
All welded
construction
High thermal
conductivity,
centerless ground
ceramic cores
for optimum heat
distribution and
dissipation
T / NT Wirewound Series
• 0.1: to 300K:
• 0.75 to 14 watts
• ±0.1% to ±10% tolerance
• Non-inductive windings available
• Meets or exceeds all applicable MIL-R-26 ratings
Commercial Styles
Semi-Precision
Power Wirewound Resistors
* Available as radial lead = type TR.
Designate non-inductive winding by adding the prefi x "N" to style.
1
The RWR is obsolete. The listed parts correspond to the commercial equivalent parts that are manufactured with the same procedures but lack
the burn-in screening that is required by MIL-PRF-39007
Electrical Data
IRC
Style
Similar To
MIL-R-26
Style
Similar to
MIL-PRF-39007
Style
1
Wattage Rating Resistance Range (:)
Maximum
Working
Voltage
U V Min : Max K:
T-1/2
--- --- 0.75 --- 0.1 4 54.8
T-1/2-A81
RW81 RWR81
1
1.0 --- 0.1 4.5 67.1
T-1A-70
RW70 --- 1.0 --- 0.1 12 109.5
T-1-80
RW80 RWR80
1
2.0 --- 0.1 12 154.9
T-2A*
--- --- 3.0 3.75 0.1 25 306.2
T-2A-69
RW69 --- --- 3.0 0.1 20 244.9
T-2B-79
RW79 RWR89
1
3.0 --- 0.1 40 346.4
T-3
--- --- 4.0 5.5 0.1 38 457.2
T-5*
--- --- 5.0 6.5 0.1 45 540.8
T-5-74
RW74 RWR74 / 84
1
5.0 --- 0.1 94 685.5
T-6
--- --- 6.0 7.5 0.1 65 698.2
T-6-67
RW67 --- --- 6.5 0.1 92 773.3
T-7*
--- --- 7.0 9.0 0.1 115 1017.3
T-7A-55
RW55 --- --- 7.0 0.1 200 1183.2
T-10A-56
RW56 --- --- 14.0 0.1 300 2049.4
T-10*
--- --- 10.0 13.0 0.1 300 1974.8
T-10-78
RW78 RWR78
1
10.0 --- 0.1 300 1732
T-10-68
RW68 --- --- 11.0 0.1 300 1816.6
T / NT Wirewound Series Issue January 2010 Sheet 1 of 4
IRC
Style
Similar to
MIL-R-26
Style
Similar to
MIL-PRF-39007
Style
1
Wattage Rating Resistance Range (Ω)
Maximun
Working
Voltage
U V Min Ω Max KΩ
T-1/2 - - 0.75 - 0.1 4 54.8
T-1/2-A81 RW81 RWR81
1
1.0 - 0.1 4.5 67.1
T-1A-70 RW70 - 1.0 - 0.1 12 109.5
T-1C - - 1 2 .05 2K 109.5
T-1-80 RW80 RWR80
1
2.0 - 0.1 12 154.9
T-2A* - - 3.0 3.75 0.1 25 306.2
T-2A-69 RW69 - - 3.0 0.1 20 244.9
T-2B-79 RW79 RWR89
1
3.0 - 0.1 40 346.4
T-3 - - 4.0 5.5 0.1 38 457.2
T-5* - - 5.0 6.5 0.1 45 540.8
T-5-74 RW74 RWR74 / 84
1
5.0 - 0.1 94 685.5
T-6 - - 6.0 7.5 0.1 65 698.2
T-6-67 RW67 - - 6.5 0.1 92 773.3
T-7* - - 7.0 9.0 0.1 115 1017.3
T-7A-55 RW55 - - 7.0 0.1 200 1183.2
T-10A-56 RW56 - - 14.0 0.1 300 2049.4
T-10* - - 10.0 13.0 0.1 300 1974.8
T-10-78 RW78 RWR78
1
10.0 - 0.1 300 1732
T-10-68 RW68 - - 11.0 0.1 300 1816.6