T-2B79U49R9 Datasheet, PDF (1/2 Pages) IRC - a TT electronics Company. – COMMERCIAL STYLES SEMI-PRECISION POWER WIREWOUND

T SERIES
COMMERCIAL STYLES
SEMI-PRECISION POWER WIREWOUND
• 0.1 ohm to 300K ohms
• 0.75 to 14 watts
• ±0.1% to ± 10% tolerance
±0.1% to ± 10% tolerance
• Non-inductive windings available
• Lead-/free, ROHS Compliant Construction Available
Weldable and
solderable leads
High thermal
conductivity,
centerless ground
ceramic cores
for optimum heat
distribution and
dissipation.
Silicone coat
All welded
construction
SPECIFICATIONS:
Style
Similar To
MIL-R-26
Style
Wattage Rating
U
V
T-1/2
---
0.7
---
T-1/2-A81
RW81
1
---
T-1A
RW70
1
---
T-1A-71
RW70
1
---
T-1C
RW80
2
---
T-1-80
RW80
2
---
T-2A
---
3
3.7
T-2A-69
RW69
---
3
T-2B-79
RW79
3
---
T-3
---
4
5.5
T-5
---
5
6.5
T-5-74
RW74
5
---
T-6
---
6
7.5
T-6-67
RW67
5
6.5.
T-7
---
7
9
T-7A-55
RW55
---
7
T-10A-56
RW56
---
14
T-10
---
10
13
T-10-78
RW78
10
---
T-10-67
RW67
---
11
* To Designate Non-Inductive Winding, Add Prefix "N" to style
Resistance Range (ohms)
Min Ω
Max KΩ
0.1
4
0.1
4.5
0.1
12
0.1
12
0.1
12
0.1
12
0.1
25
0.1
20
0.1
40
0.1
38
0.1
45
0.1
94
0.1
65
0.1
92
0.1
115
0.1
200
0.1
300
0.1
300
0.1
300
0.1
300
T SERIES GENERAL SPECIFICATIONS:
Temperature Range
Characteristic U = -55°C to +275°C
Characteristic V = -55°C to +350°C
Standard Temperature
±20 ppm/°C 10Ω up
Coefficient
±50 ppm/°C 1.0Ω to 9.9Ω
±400 ppm/°C 0.50Ω to 0.999Ω
±650 ppm/°C 0.1Ω to 0.490Ω
Special Temperature
Available from -30 ppm/°C to +6000 ppm/°C
Coefficients
Temperature range for special TC's -50°C to
Insulation Resistance
+150°C
Derating
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"
Lead Material:
Tinned copperweld is standard.
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.
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: [phone] • Fax: [phone] • www.irctt.com
A subsidiary of
TT electronics plc