Rheostats
(Potentiometers) Wirewound
ꢀRdꢁRiNG iNfꢀRMꢃꢄiꢀN
Code Watts Model Shaft
Core
CL =
CS =
EE =
EL =
ES =
GS=
HL =
HS =
JS =
KS =
LS =
NS =
PS =
RS =
7.5
7.5
C
C
E
E
E
G
H
H
J
Locking Enclosed
Standard Enclosed
Standard Enclosed
Resistance Value*
E = RoHS compliant
12.5
12.5
12.5
75
Series
Example:
• RoHS compliant product available. Add
“E" suffix to part number to specify.
Locking
Standard
Standard
Locking
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Rheostats
R50
1R0
7R5
250
1K0
=
=
=
=
=
0.50Ω
1Ω
Wirewound
Potentiometers
R C S R 5 0 E
7.5Ω
25
• Made-to-order rheostats available:
Contact nearest Ohmite sales office.
25
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
250Ω
1,000Ω
50
100
150
300
225
500
K
L
* Voltage rating dependent on resistance
value.
1K75 = 1,750Ω
4K5 4,500Ω
50K = 50,000Ω
*Check table for standard resistance
values and maximum current values
=
N
P
R
U
US = 1000
7.5W Model C
12.5W Model E
25W Model H
50W
Model J
75W
Model G
100W
Model K
150W
Model L
225W
Model P
300W
Model N
500W
Model R
1000W
Model U
Part No.
Prefix
Suffix
0.5 –––R50
10.0
7.07
12.3
8.66
14.1
10
17.3
12.3
1
–––1R0
3.53
5.00
3.54
2.88
15.0
10.6
17.32
12.24
22.3
18.2
15.8
14.1
12.9
11.2
10.0
31.6
25.8
22.4
1.5 –––1R5
–––2R0
2
2.50
2.24
2.04
5.00
6.12
5.00
3.88
3.16
2.74
7.07
5.75
4.47
3.65
3.16
8.65
7.07
5.48
4.47
3.88
2.5 –––2R5
ꢀ 20.0
3
4
5
6
–––3R0
–––4R0
–––5R0
–––6R0
8.66
7.50
6.71
10.00
8.66
7.75
18.3
15.8
14.1
3.53
2.88
2.50
2.04
1.58
1.44
2.04
7.5 –––7R5
5.49
4.74
6.32
5.48
8
–––8R0
1.25
1.12
1.77
1.58
7.90
11.2
10.0
10 –––10R
12 –––12R
0.86
0.71
12.5 –––12R5
15 –––15R
6.30
5.60
4.47
8.95
7.90
6.33
0.91
1.29
3.163
3.87
3.00
4.47
3.46
16 –––16R
1.76
1.50
2.17
1.73
2.50
2.0
22 –––22R
25 –––25R
0.55
0.46
0.71
0.60
1.00
0.845
2.450
2.070
35 –––35R
1.19
1.00
0.790
40 –––40R
3.54
3.16
50 –––50R
0.39
0.32
0.50
0.40
0.707
0.575
1.23
1.00
1.41
1.15
1.735
1.415
2.12
1.73
2.45
2.00
4.47
3.65
75 –––75R
80 –––80R
2.52
2.00
100 –––100
125 –––125
150 –––150
160 –––160
175 –––175
200 –––200
225 –––225
250 –––250
300 –––300
325 –––325
350 –––350
400 –––400
500 –––500
600 –––600
700 –––700
750 –––750
800 –––800
900 –––900
1000 –––1K0
1200 –––1K2
1250 –––1K25
1500 –––1K5
1600 –––1K6
1750 –––1K75
1800 –––1K8
2000 –––2K0
2250 –––2K25
2500 –––2K5
3000 –––3K0
3500 –––3K5
4500 –––4K5
5000 –––5K0
7500 –––7K5
8000 –––8K0
10000 –––10K
12500 –––12K5
15000 –––15K
20000 –––20K
25000 –––25K
30000 –––30K
40000 –––40K
50000 –––50K
0.27
0.22
0.36
0.32
0.29
0.500
0.445
0.866
1.00
1.225
1.000
1.50
1.22
1.73
1.41
3.16
0.630
0.575
0.27
0.25
0.375
0.316
1.69
2.39
2.11
1.83
0.19
0.17
0.612
0.500
0.707
0.575
0.865
0.775
1.06
1.22
1.00
0.866
0.655
0.470
0.408
0.22
1.41
1.24
0.866
0.750
0.567
0.15
0.12
0.19
0.16
0.267
0.222
0.655
0.548
0.433
0.388
0.500
0.447
1.48
1.41
0.316
1.00
0.10
0.13
0.10
0.090
0.182
0.155
0.129
0.316
0.274
0.224
0.365
0.316
0.258
0.447
0.817
0.707
0.577
1.15
1.00
0.816
0.250
0.224
0.500
0.433
0.387
0.358
0.336
0.300
0.578
0.500
0.447
0.414
0.387
0.346
0.086
0.071
0.346
0.176
0.288
0.259
0.224
0.182
0.141
0.122
0.194
0.173
0.224
0.200
0.500
0.447
0.055
0.046
0.039
0.070
0.060
0.100
0.084
0.141
0.119
0.100
0.633
= Standard values; check availability
Rheostats are silicone-ceramic coated at and
above the following ohmic values:
0.050
0.041
0.070
0.058
0.123
0.100
0.141
0.115
0.079
0.070
0.035
0.031
0.029
0.050
0.087
0.100
Model C: all
Model G: 5000Ω
Model K: 5000Ω
Model L: 7500Ω
0.041
0.035
0.032
0.058
0.050
0.045
0.041
0.035
0.032
Model E: 750Ω
Model H: 2000Ω
Model J: 5000Ω
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
189