1
ISO-9001
Registered
IRC Type
PWRG-3
PWRG-5
GENERAL PURPOSE POWER
METAL GLAZE RESISTOR
PWRG SERIES
3 and 5 watts
1 ohm to 1 Megohm range
Radial leads for PC mount
TCR from ±100 ppm/°C
Inorganic fireproof
encapsulant
Metal Glaze™ thick film
resistive element
Fireproof high
temperature ceramic
case with stand-off
SPECIFICATIONS: - Tolerance: ±1%, ±2%, ±5%, and ±10%
- Flameproof inorganic construction
- Power Rating: 3 and 5 watts
- Resistance Range: 1to 1 M
DIMENSIONS (Inches and (mm)) :
A
0.475 ±0.030
(12.0 ±0.8)
0.500 ±0.030
(12.7 ±0.8)
B
0.320 ±0.30
(8.1 ±0.8)
0.350 ±0.030
(8.9 ±0.8)
C
1.00 ±0.030
(25.4 ±0.8)
1.00 ±0.030
(25.4 ±0.8)
D
0.200 ±0.062
(5.8 ±1.6)
0.200 ±0.062
(5.08 ±1.6)
E
0.175 ±0.062
(4.44 ±1.6)
0.175 ±0.062
(0.44 ±1.6)
LD
0.032 ±0.002
(0.81 ±0.05)
0.032 ±0.002
(0.81 ±0.05)
LD
D
AB
C
E
Meniscus
permitted to
bottom of feet
0.080
±0.032
0.170
±0.062
0 50 100 150 200 250
0
20
40
60
80
100
PWRG-3, 5
85
POWER DERATING: HOT SPOT TEMP. RISE:
Percent Rated Load
Percent Rated PowerAmbient Temperature (°C)
Hot Spot Temperature (°C)
HO W T O ORDER:
Sample Part No.:
PWRG 5 12K 10%
Type
Power
Range
Tolerance
300
200
100
0 0 20 40 60 80 100 120
PWRG-3, 5
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com