Resistors
General Purpose Power
General Purpose Power
Metal Glaze™ Resistor
Metal Glaze
™
Resistor
PWRG Series
3 and 5 watts
1Ω to 1MΩ range
PWRG Series
TC’s from +100 ppm/°C
•
3 and 5 watts
Radial leads for PC mount
•
1Ω to 1MΩ range
•
TC’s from +100 ppm/°C
•
Radial leads for PC mount
Fireproof high
temperature ceramic
case with stand-off
Fireproof high
temperature ceramic
case with stand-off
Inorganic
fireproof
encapsulant
Metal Glaze
™
thick film
resistive element
Inorganic
fireproof
encapsulant
Metal Glaze
™
thick film
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
resistive element
Specifications
- Power Rating: 3 and 5 watts
- Resistance Range: 1Ω to 1MΩ
-Tolerance: ±1%, ±2%, ±5%, and ±10%,
- Flameproof inorganic construction
Physical Data
A
B
C
Meniscus
permitted to
bottom of feet
0.080
±0.032
LD
0.170
±0.062
E
D
Dimensions (Inches and (mm))
IRC Type
PWRG-3
PWRG-5
A
0.475 ±0.030
(12.0 ±0.8)
0.500 ±0.030
(12.7 ±0.8)
B
0.320 ±0.030
(8.1 ±0.8)
0.350 ±0.030
(8.8 ±0.8)
C
1.00 ±0.030
(25.4 ±0.8)
1.00 ±0.030
(25.4 ±0.8)
D
0.200 ±0.062
(5.08 ±1.6)
0.200 ±0.062
(5.08 ±1.6)
E
0.175 ±0.062
(4.44 ±1.6)
0.175 ±0.062
(4.44 ±1.6)
LD
0.032 ±0.002
(1.02 ±0.05)
0.032 ±0.002
(1.02 ±0.05)
General Note
IRC reserves the right to make changes in product specification without notice or liability.
General Note
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
TT Electronics reserves the right to make changes in product specification without notice or liability.
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
to print.
All information is subject to TT Electronics’ own data and is considered accurate at time of going
BI Technologies IRC Welwyn
A subsidiary of
TT electronics plc
www.ttelectronics.com/resistors
PWRG Series Issue November 2008 Sheet 1 of 2
© TT Electronics plc
11.17
General Purpose Power
Metal Glaze™ Resistor
™
General Purpose Power
Metal Glaze Resistor
PWRG Series
Power Derating Curve
100
Hot Spot Temperature (°C)
Percent of Rated Load
80
60
85
PWRG - 3, 5
300
Temperature Rise Chart
Hot Spot Temperature (°C)
200
PWRG - 3, 5
100
40
20
0
0
50
100
150
200
Rated Power (%)
Ambient Temperature (°C)
250
0
0
20
40
60
80
100
120
Rated Power (%)
Ordering Data
Sample Part No.
IRC Type
PWRG
PWRG
5
1202
K
Power
Resistance Range
Tolerance
J = ±5%, K = ±10%
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
PWRG Series Issue November 2008 Sheet 2 of 2
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.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
11.17