General Purpose Stand-Up
General Purpose Stand-Up
Resistors
Power Power WWirewound Resistorirewound Resistor
General Purpose Stand-Up
PWR Series
Fireproof high
Fireproof high
temperature ceramic
temperature ceramic
General Purpose Stand-Up
Power Wirewound Resistor
case with stand-off
case with stand-off
3, 5, 7, and 10 watts
PWR Series
Power Wirewound Resistor
0.1 to 18K range
PWR Series
3, 5, 7, and 10 watts
Radial leads for PC mount
Fireproof high
temperature ceramic
3, 5, 7, and 10 watts
0.1 to 18K range
TCs from 300 ppm/C to +5500 ppm/C
case with stand-off Inorganic
Inorganic
0.1 to 18k range
PWR Series fireproof
fireproof
Radial leads for PC mount
encapsulant
encapsulant
Radia l leads for PC mount
NO 3, 5, 7, and 10 wT RECOMMENDED FOR NEW DESIGNSatts
TCs from 300 ppm/C to +5500 ppm/C
TC s from 300 ppm/C to +5500 ppm/C Alloy resistance wire on
0.1 to 18K range
Alloy resistance wire on
Inorganic
fiberglass substrate
fiberglass substrate
fireproof
Radial leads for PC mount
encapsulant
TCs from 300 ppm/C to +5500 ppm/C
AllAll Pb-Pb-frfreeee partsparts ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3)
Alloy resistance wire on
fiberglass substrate
Specications
- Power Rating:Specications 3, 5, 7, and 10 watts - Tolerance: 5% and 10%
- Power Rating: 3, 5, 7, and 10 watts - Tolerance: 5% and 10%
- Resistance Range: (refer to PWRG for tolerances less than 5% pg.129)
- Resistance Range: (refer to PWRG for tolerances less than 5% pg.129)
3 watt: 0.1 to 7.5K 7 watt: 0.1 to 18K - Flameproof inorganic construction
3 watt: 0.1 to 7.5K 7 watt: 0.1 to 18K - Flameproof inorganic construction
5 watt: 0.1 to 8.5K 10 watt: 0.18 to 18K - EIA RS-344, insulated xed wirewound resistors
5 watt: 0.1 to 8.5K 10 watt: 0.18 to 18K - EIA RS-344, insulated xed wirewound resistors
Physical Data
Physical Data
A B
A B
C
Meniscus
permitted to
0.080
bottom of feet
0.032
C
LD
Meniscus
0.170
E
0.062 permitted to
0.080
D
bottom of feet
0.032
Dimensions (Inches and (mm))
IRC Type A B C D E LD
LD
0.475 0.030 0.320 0.030 1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002
PWR-3
(12.0 0.8) (8.1 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05)
0.170
E
0.500 0.030 0.350 0.030 1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002
0.062
PWR-5
D
(12.7 0.8) (8.8 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05)
0.500 0.030 0.350 0.030 1.50 0.032 0.200 0.062 0.175 0.062 0.036 0.002
PWR-7
Dimensions (Inches and (mm))
(12.7 0.8) (8.8 0.8) (38.1 0.81) (5.08 1.6) (4.44 1.6) (0.91 0.05)
0.630 0.032 0.510 0.032 1.39 0.032 0.290 0.062 0.250 0.062 0.036 0.002
PWR-10
IRC Type A B C D E LD
(16.0 0.81) (13.2 0.81) (35.3 0.81) (7.4 1.6) (6.4 1.6) (0.91 0.05)
General Note0.475 0.030 0.320 0.030 1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002
IRC reserves the right to make changes in product specication without notice or liability.
PWR-3
All information is subject to IRCs own data and is considered accurate at time of going to print.
A subsidiary of
General Note(12.0 0.8) (8.1 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05)
TT electronics plc
Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA
TT electronics reserves the right to make changes in product specification without notice or liability.
Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com PWR Series Issue November 2008 Sheet 1 of 2
General Note
All information is subject to TT electr0.500 0.030 onics own data and is consider0.350 0.030 ed accurate at time of going to print.1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002
BI Technologies IRC Welwyn
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
TT Electronics reserves the right to make changes in product specification without notice or liability.
PWR-5
All information is subject to TT Electronics own data and is considered accurate at time of going to print.
(12.7 0.8) (8.8 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05)
TT electronics plc
www.ttelectronics.com/resistors
2.14
TT Electronics plc
0.500 0.030 0.350 0.030 1.50 0.032 0.200 0.062 0.175 0.062 0.036 0.002
PWR-7 06.18
(12.7 0.8) (8.8 0.8) (38.1 0.81) (5.08 1.6) (4.44 1.6) (0.91 0.05)
0.630 0.032 0.510 0.032 1.39 0.032 0.290 0.062 0.250 0.062 0.036 0.002
PWR-10
(16.0 0.81) (13.2 0.81) (35.3 0.81) (7.4 1.6) (6.4 1.6) (0.91 0.05)
General Note
IRC reserves the right to make changes in product specication without notice or liability.
All information is subject to IRCs 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 PWR Series Issue November 2008 Sheet 1 of 2General Purpose Stand-Up
General Purpose Stand-Up
General Purpose Stand-Up
Power WPower Wirireewound Resistorwound Resistor
Power Wirewound Resistor
PWR SeriesPWR Series
Temperature Rise Chart Power Derating Curve
300 25 85
100
PWR - 3, 5
80
200
PWR - 7, 10
PWR - 7, 10
60
PWR - 3, 5
100
40
0
0 20 40 60 80 100 120 20
Rated Power (%)
0
0 50 100 150 200 250
Ambient TRated Pemperature (C)ower (%)
Ordering Data
Sample Part No. PWR 10 1202 K LF
IRC Type
PWR
Power
Resistance Range
Tolerance
J = 5%, K = 10%
RoHS Indicator
LF indicates RoHS compliance
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 PWR Series Issue November 2008 Sheet 2 of 2
General NoteGeneral Note
BI Technologies IRC Welwyn
TT Electronics reserves the right to make changes in product specification without notice or liability.
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electrAll information is subject to TT Electronics own datonics own data and is considera and is considered accured accurate at time of going to print.ate at time of going to print.
www.bitechnologies.com www.irctt.com wwwwww.ttelectronics.com/resistors.welwyn-tt.com
TT Electronics plc
TT electronics plc
06.18
2.14
Hot Spot Temperature (C)
Hot Spot Percent of Rated LoadTemperature (C)