PWR220T-20 Series Power Resistor
Product Dimensions
4.0
(.158)
How to Order
PWR 220 T - 20 - 10R0 F
10.1
(.398)
3.6
(.142)
DIA.
1.23
Model
PWR = Power Resistor
(.049)
Package
220 = TO-220 Style
6.0
(.236)
2.5
Pin Style
T = Through-hole
8.63
(.340)
(.098)
14.6
(.575
Power
20 = 20 W
Resistance Value
<100 ohms ... “R” represents decimal point
(examples: 7R50 = 7.5 Ω ; R500 = 0.5 Ω )
≥ 100 ohms.... First three digits are signi?cant, fourth digit represents
number of zeros to follow
(examples: 2000 = 200 ohms; 3002 = 30K ohms)
Absolute Tolerance
J=5%
F=1%
13.72
(.540)
0.72
28.3
(1.12)
REF.
Derating Curve
120
100
5.08
(.029)
2.25
(.089)
80
(.200)
DIMENSIONS:
MM
(INCHES)
60
40
20
Pulse Power Rating
0
100
-20
10
25
35
45
55
65
75
85
95 105 115 125 135 145 155
1
0.1
0.01
Temperature of Backplate ( ° C)
10 - 7
10 - 6
10 - 5
10 -4
10 - 3
10 -2
10 -1
Overload Duration in Seconds
The energy absorbed by the resistor expressed in Joules can be
calculated by multiplying the peak power of the pulse in watts
times the length of the pulse in seconds.
The energy should not exceed the limits shown in the graph.
The overload voltage should not exceed 1.5 times the maximum
operating voltage.
REV. 11/11
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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