Low Resistance Stand-up
Power Wirewound Resistor
PWRL Series
Welwyn Components
•
•
•
•
•
3, 5, 7 and 10 watts
0R01 ohm to 0R18 ohm range
Radial leads for PC mount
TC’s from 50 ppm/°C to +500 ppm/°C
(range dependent)
Flameproof inorganic construction
Electrical Data
PWRL
Power rating
Resistance range
Tolerance
watts
ohms
%
3, 5, 7 and 10
0R01 to 0R18
±1, ±2, ±3, ±5 and ±10
Physical Data
Dimensions (mm)
Type
PWRL-3
PWRL-5
PWRL-7
PWRL-10
A
12.0±0.8
12.7±0.8
12.7±0.8
16.0±0.81
B
8.1±0.8
8.8±0.8
8.8±0.8
13.2±0.81
C
25.4±0.8
25.4±0.8
38.1±0.81
35.3±0.81
D
5.08±1.6
5.08±1.6
5.08±1.6
7.4±1.6
E
4.44±1.6
4.44±1.6
4.44±1.6
6.4±1.6
LD
1.02±0.05
C
1.02±0.05
1.02±0.05
1.02±0.05
4.318
±1.575
D
2.032
±0.813
LD
E
A
B
Power Derating Curve
Hot Spot Temperature Rise at 25°C
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
Issue B · 03.02
© Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
110
WELWYN [ WELWYN COMPONENTS LIMITED ]
