CHP Datasheet, PDF (2/2 Pages) Welwyn Components Limited – Metal Glaze™ General Purpose Surface Mount Power Resistors

Metal Glaze^™ General Purpose
Surface Mount Power Resistors
CHP Series
Welwyn Components
CHP Power Derating Curve
120%
100%
80%
CHP 1/8, 1/2, 1
60%
CHP 2
40%
20%
0%
30 50 70 90 110 130 150
Ambient Temperature (^oC)
CHP Repetitive Surge Curve
1000
100
CHP 2
10
CHP 1
CHP 1/2
CHP 1/8
1
0.0001 0.0010 0.0100 0.1000 1.0000
.1msec 1msec 10msec 100msec 10000msec
Surge or pulse duration (seconds)
Note: Use for repetitive pulses where the average power
dissipation is not to exceed the component rating at 70°C.
Surge handling capacity for low-repetitive surges may be
significantly greater than shown above. Contact factory for
recommendations.
Physical Data
Size Code
Industry
Footprint
Dimensions (mm)
L
W
C
CHP1/8
1206
3.25±0.18
1.45±0.15
0.51±0.25
CHP1/2
CHP1
2010
2512
5.08±0.25
2.01±0.15
0.761±0.25
W
6.38±0.25
2.01±0.15
1.02±0.25
CHP2
3610
9.32±0.25
2.67±0.15
1.27±0.25
L
C
© Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK
Telephone: [phone] · Facsimile: [phone] · Email: [e-mail] · Website: www.welwyn-tt.com
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Issue C · 05.03