FEATURES
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PERCENT OF RATED POWER |
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500 and EC Series resistors must be derated for tolerances below 0.1%, and for elevated temperatures. Use the curve for the desired tolerance, and, knowing the maximum ambient temperature during use, determine the maximum allowed percentage of rated power from the graph. |
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Axial Lead Resistors - 500 Series | |||||||||
KRL Style |
MIL-R-93
|
MIL-R-39005
|
Dimensions
|
Power in Watts
|
Maximum Voltage
|
Maximum Resistance
|
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Length
±.015 |
Diameter
±.015 |
Lead
AWG |
MIL
125°C |
COMM
125°C |
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†533 |
|
|
0.260
|
0.100
|
24
|
0.05
|
0.1
|
100
|
150K
|
†534 |
|
|
0.300
|
0.100
|
22
|
0.05
|
0.1
|
100
|
150K
|
†535 |
|
|
0.250
|
0.125
|
22
|
0.065
|
0.125
|
150
|
300K
|
536 |
|
|
0.312
|
0.125
|
22
|
0.075
|
0.15
|
200
|
400K
|
†537 |
|
|
0.375
|
0.125
|
22
|
0.1
|
0.2
|
200
|
500K
|
†538 |
|
|
0.375
|
0.187
|
22
|
0.125
|
0.25
|
300
|
1 Meg
|
539 |
|
|
0.250
|
0.187
|
22
|
0.115
|
0.225
|
250
|
550K
|
†540 |
|
RBR-74
|
0.500
|
0.187
|
22
|
0.175
|
0.35
|
300
|
1.5 Meg
|
550 |
|
RBR-75
|
0.295
|
0.250
|
22
|
0.125
|
0.25
|
200
|
1.5 Meg
|
†555 |
RB-56
|
RBR-56
|
0.375
|
0.250
|
20
|
0.175
|
0.35
|
300
|
1.5 Meg
|
†560 |
RB-55
|
RBR-55
|
0.500
|
0.250
|
20
|
0.25
|
0.5
|
400
|
2 Meg
|
†565 |
RB-54
|
RBR-54
|
0.750
|
0.250
|
20
|
.375
|
0.75
|
500
|
3.5 Meg
|
570 |
RB-53
|
RBR-53
|
0.750
|
0.375
|
20
|
0.45
|
0.9
|
600
|
4 Meg
|
575 |
RB-52
|
RBR-52
|
1.000
|
0.375
|
20
|
0.75
|
1.5
|
750
|
5 Meg
|
578 |
|
|
0.500
|
0.500
|
20
|
0.33
|
0.66
|
400
|
2 Meg
|
580 |
RB-57
|
RBR-57
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1.000
|
0.500
|
20
|
0.85
|
1.75
|
850
|
10 Meg
|
585 |
RB-58
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|
1.500
|
0.500
|
20
|
1
|
2
|
1.5KV
|
15 Meg
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Economy Line Axial Lead Resistors - EC Series | |||||||
KRL Style |
MIL-R-10509
|
Length
|
Diameter
|
Lead
AWG |
Power in Watts
|
Maximum
Voltage |
Maximum
Resistance |
†EC-10 |
RN-55
|
0.250
|
0.125
|
22
|
0.25
|
200
|
100K
|
†EC-20 |
RN-60
|
0.375
|
0.125
|
22
|
0.4
|
300
|
150K
|
†EC-25 |
|
0.375
|
0.187
|
22
|
0.5
|
325
|
175K
|
†EC-30 |
RN-65
|
0.500
|
0.187
|
22
|
0.75
|
350
|
200K
|
EC-40 |
RN-70
|
0.750
|
0.250
|
20
|
1
|
400
|
300K
|
EC-50 |
RN-75
|
1.000
|
0.375
|
20
|
1.5
|
600
|
500K
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†Indicates most popular types.