RNS300 Ohmite, RNS300 Datasheet - Page 2

RHEOSTAT, WIREWOUND, 300OHM, 300W

RNS300

Manufacturer Part Number
RNS300
Description
RHEOSTAT, WIREWOUND, 300OHM, 300W
Manufacturer
Ohmite
Series
RNSr
Type
Rheostatsr
Datasheet

Specifications of RNS300

Track Resistance
300ohm
Track Taper
Linear
Power Rating
300W
Resistor Element Material
Wirewound
Adjustment Type
Side
Potentiometer Mounting
Panel
Resistance
300ohm
Tolerance
10 %
Taper
Linear
Termination Style
Solder Lug
Resistance Max
300ohm
Rohs Compliant
No
Leaded Process Compatible
No
No. Of Turns
1
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
78
12500
15000
10000
20000
25000
30000
40000
50000
1000
1200
1250
1500
1600
1750
1800
2000
2250
2500
3000
3500
4500
5000
7500
8000
100
125
150
160
175
200
225
250
300
325
350
400
500
600
700
750
800
900
35
40
50
75
80
10
12
12.5 –––12R5
15
16
22
25
0.5 –––R50
1
1.5 –––1R5
2
2.5 –––2R5
3
4
5
6
7.5 –––7R5
8
Ohmite Mfg. Co.
Part No.
Prefix
Suffix
–––1R0
–––2R0
–––3R0
–––4R0
–––5R0
–––6R0
–––8R0
–––10R
–––12R
–––15R
–––16R
–––22R
–––25R
–––35R
–––40R
–––50R
–––75R
–––80R
–––100
–––125
–––150
–––160
–––175
–––200
–––225
–––250
–––300
–––325
–––350
–––400
–––500
–––600
–––700
–––750
–––800
–––900
–––1K0
–––1K2
–––1K25
–––1K5
–––1K6
–––1K75
–––1K8
–––2K0
–––2K25
–––2K5
–––3K0
–––3K5
–––4K5
–––5K0
–––7K5
–––8K0
–––10K
–––12K5
–––15K
–––20K
–––25K
–––30K
–––40K
–––50K
7.5W Model C
  0.46
  0.39
  0.32
  0.27
  0.86
  0.71
  0.55
  0.22
  0.19
  0.17
  0.15
  0.12
  0.10
  0.086
  0.071
  0.055
  0.046
  0.039
1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
   3.53
   2.50
   2.24
   2.04
   1.58
   1.44
   1.25
   1.12
   0.91
   0.71
   0.60
   0.50
   0.40
   0.36
   0.32
   0.29
   0.27
   0.25
   0.22
   0.19
   0.16
   0.13
   0.10
   0.090
   0.070
   0.060
   0.050
   0.041
   0.035
   0.031
   0.029
12.5W Model E
S T A N D A R D p A R T N u M b E R S F O R R h E O S T A T S
25W Model H
  5.00
  3.54
  2.88
  2.04
  1.77
  1.58
  1.29
  1.00
  0.845
  0.707
  0.575
  0.500
  0.445
  0.375
  0.316
  0.267
  0.222
  0.182
  0.155
  0.129
  0.100
  0.084
  0.070
  0.058
  0.050
  0.041
  0.035
  0.032
 1.19
 1.00
 0.790
 0.079
 0.070
 10.0
 7.07
 5.00
 3.53
 2.88
 2.50
 2.04
 1.76
 1.50
 0.630
 0.575
 0.470
 0.408
 0.316
 0.250
 0.224
 0.176
 0.141
 0.119
 0.100
 0.058
 0.050
 0.045
 0.041
 0.035
 0.032
Model J
50W
 1.00
 0.866
 12.3
 8.66
 6.12
 5.00
 3.88
 3.16
 2.74
 2.17
 1.73
 1.23
 0.612
 0.500
 0.433
 0.388
 0.316
 0.274
 0.224
 0.194
 0.173
 0.123
 0.100
 0.087
Model G
75W
 14.1
 10
 7.07
 5.75
 4.47
 3.65
 3.16
 2.50
 2.0
 1.41
 1.15
 1.00
 0.707
 0.575
 0.500
 0.447
 0.365
 0.316
 0.258
 0.224
 0.200
 0.141
 0.115
 0.100
Model K
100W
 17.3
 12.3
 8.65
 7.07
 5.48
 4.47
 3.88
 3.163
 2.450
 2.070
 1.735
 1.415
 1.225
 1.000
 0.865
 0.775
 0.655
 0.548
 0.447
 0.346
 0.288
 0.259
 0.224
 0.182
 0.141
 0.122
Model L
150W
Model P
 = Standard values; check availability
Rheostats are silicone-ceramic coated at and
above the following ohmic values:
Model C: all
Model E: 3500Ω
Model H: 7500Ω
Model J: 15,000Ω
 15.0
 10.6
 8.66
 7.50
 6.71
 5.49
 4.74
 3.87
 3.00
 2.12
 1.73
 1.50
 1.22
 1.06
 0.866
 0.750
 0.567
 0.500
 0.433
 0.387
 0.358
 0.336
 0.300
225W
Check product availability at
www.ohmite.com
 5.48
 4.47
 3.46
 2.45
 2.00
 1.73
 0.387
 0.346
Model N
 17.32
 12.24
 10.00
 8.66
 7.75
 6.32
 1.41
 1.22
 1.00
 0.866
 0.655
 0.578
 0.500
 0.447
 0.414
300W
Model G: 5000Ω
Model K: 7500Ω
Model L: 7500Ω
 4.47
 3.54
 3.16
 2.52
Model R
 22.3
 18.2
 15.8
 14.1
 12.9
 11.2
 10.0
 7.90
 6.30
 5.60
 2.00
 1.69
 1.41
 1.24
 1.00
 0.817
 0.707
 0.577
 0.500
 0.447
500W
 31.6
 25.8
 22.4
 20.0
 18.3
 15.8
 14.1
 11.2
 10.0
 8.95
 7.90
 6.33
 4.47
 3.65
 3.16
 2.39
 2.11
 1.83
 1.48
 1.41
 1.15
 1.00
 0.816
 0.633
Model U
1000W

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