REL7R5E [OHMITE]
Rheostats (Potentiometers) Wirewound; 变阻器（电位）线绕
| 型号： | REL7R5E |
| 厂家： | 
OHMITE MFG. CO. |
| 描述： | Rheostats (Potentiometers) Wirewound |
| 文件： | 总2页 (文件大小：233K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
unenclosed
0.625"
15.88 mm
0.531"
shaft
Model E
13.49 mm locking
nut
Rheostats
D
B
0.125"
3.18 mm
(Potentiometers) Wirewound
0.25"
6.35 mm
C
standard
shaft
locking
shaft
0.531"
13.49 mm
Model C
0.25"
0.078"
0.406"
6.35 mm
1.98 mm
Mounting: Panels to
0.125” (3.18mm) thick
with 0.25-32 bushing and
hex nut (0.063” thick).
10.32 mm
Mounting: Panels
Locking
enclosed
to 0.125” (3.18mm)
thick with 0.25-32
bushing and hex
nut (0.063” thick).
shaft
D
0.25"
6.4 mm
B
0.625"
15.88 mm 15.88 mm
0.094"
2.38 mm
0.625"
B
D
0.125"
3.18 mm
Dimension “M”
Models P, N, R, U
P
0.875” 22.23 mm
1.188” 30.16 mm
2"
51 mm
N
R
U
M
M
B
Standard
shaft
1.5”
3”
38.1 mm
76.2 mm
0.25"
6.4 mm
0.25"
6.4 mm
0.109"
2.78 mm
Mounting: Panels
to 1.25” (31.75mm)
thick with 0.25-20
flat-head screws.
0.375"
9.53 mm
D
Models H, J, G, K, L
0.375"
9.53 mm
0.75"
0.031"
C
1.75"
44.5 mm
19.05 mm
0.79 mm
0.031"
bushing
projection
0.625"
0.79 mm
0.25"
6.35 mm
holes for
no. 8 screws
0.25 - 20 thread for
mounting screws
1.563"
15.88 mm
39.7 mm
D
0.5"
12.7 mm
O R D E R I N G I N F O R M AT I O N
0.031"
C
0.79 mm
drill 0.188"
(4.76 mm) hole
in panel
shaft
locking
nut
E = RoHS compliant
Series
0.344"
8.73 mm
Rheostats
Wirewound
Potentiometers
0.063"
R C S R 5 0 E
holes for:
1.59 mm
locking shaft
(only model H
stocked)
0.875"
22.23 mm
no. 2 screws (model H)
Resistance Value*
B
Code Watts Model Shaft
Core
mounting
bracket on
model L only
Example:
no. 8 screws (J, G, K, L)
CL =
CS =
EE =
EL =
ES =
GS=
HL =
HS =
JS =
KS =
LS =
NS =
PS =
RS =
7.5
7.5
12.5
12.5
12.5
75
C
C
E
E
E
G
H
H
J
Locking Enclosed
Standard Enclosed
Standard Enclosed
R50
1R0
7R5
250
1K0
=
=
=
=
=
0.50Ω
1Ω
standard shaft
(models H, J, G, K, L)
7.5Ω
Locking
Standard
Standard
Locking
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
250Ω
Mounting: Panels to 0.25” (6.35mm) thick with 0.375-32 bushing and hex nut
1,000Ω
1K75 = 1,750Ω
(0.094” thick) (or with 10-32 x 0.75 F.H. screws for model L only).
25
4K5
= 4,500Ω
25
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
50K = 50,000Ω
50
Dimensions for reference only; consult factory for details.
100
K
L
N
P
R
U
*Check Table for
Standard
Resistance Values
and Maximum
Current Values
150
300
225
500
Since all rheostats/potentiometers are electro-mechanical devices, they
are subject to mechanical wear and, therefore, have a finite life.
See page 93 for
knobs, dials, and
Models H, J, K, L and N are listed under UL Reexamination Service File
No. E-10946 and CSA File No. 21309 unless noted otherwise.
other hardware
US = 1000
All rheostats are 10% tolerance.
Ohmic
range
Max. Voltage
(RMS)*
Behind panel
Diameter
Dimension
Rotation
(±±5)
Model Type
Watts
12.5
25
Core
open
open
open
open
open
open
open
open
open
open
“B” (In./mm)
0.688/17.46
1.375/34.93
1.375/34.93
1.750/44.45
1.750/44.45
2.000 / 50.8
2.125/53.98
2.375/60.33
2.125/53.98
3.000 / 76.2
0.875/22.23
1.219/30.96
“D” (In./mm) “C” (In./mm)
Shaft torque
1-6 oz. in.
E
H
J
RES/REL
RHS/RHL
RJS
1.0-15K
1.0-25K
0.5-50K
0.5-50K
0.5-50K
0.5-50K
1.0-30K
1.0-50K
1.0-20K
1.0-20K
10.0-5K
1.0-15K
305
500
750
0.875/ 22.23
1.560/ 39.62
2.31 / 58.67
2.75 / 69.25
3.125/ 79.38
4.00 /101.60
5.00 /127.00
6.00 /152.40
8.00 /203.20
12.00 /304.80
0.515/ 13.08
1.047/ 26.59
0.594/15.08
0.940/23.88
1.56 /39.62
1.78 /45.21
1.91 /48.51
2.28 /57.91
2.97 /75.44
3.44 /87.38
4.31/109.47
6.38/162.05
—
300°
300°
300°
300°
300°
300°
310°
320°
325°
335°
300°
300°
0.25-0.5 lb. in.
0.25-2 lb. in.
0.5-2 lb. in.
0.5-2 lb. in.
0.5-3 lb. in.
2.5-4 lb. in.
2.5-5 lb. in.
4.5-7 lb. in.
3.5-7 lb. in.
0.25-3 oz. in.
1-6 oz. in.
50
75
G
K
L
RGS
RKS
RLS
900
100
150
225
300
500
1000
7.5
1000
1200
1300
1225
1450
1600
P
N
R
U
C
E
RPS
RNS
RRS
RUS
RCS/RCL
REE
enclosed
enclosed
305
305
12.5
—
• Models H, J, G, and K also available in enclosed versions.
• See Catalog #203 for complete details.
• RoHS compliant product available. Add “E” suffix to part number to specify.
• Made-to-order rheostats available: Contact nearest Ohmite sales office.
* Voltage rating dependent on resistance value.
S TA N D A R D p A R T N u M b E R S F O R R h E O S TAT S
7.±W Model C
12.±W Model E
2±W Model H
±0W
Model J
7±W
Model G
100W
Model K
1±0W
Model L
22±W
Model P
300W
Model N
±00W
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
1.5 –––1R5
–––2R0
2.5 –––2R5
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
20.0
18.3
15.8
14.1
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
3
4
5
6
–––3R0
–––4R0
–––5R0
–––6R0
8.66
7.50
6.71
10.00
8.66
7.75
3.53
2.88
2.50
2.04
1.58
1.44
2.04
7.5 –––7R5
–––8R0
5.49
4.74
6.32
5.48
8
1.25
1.12
1.77
1.58
7.90
11.2
10.0
10 –––10R
12 –––12R
12.5 –––12R5
15 –––15R
0.86
0.71
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
22 –––22R
25 –––25R
35 –––35R
40 –––40R
50 –––50R
75 –––75R
80 –––80R
1.76
1.50
2.17
1.73
2.50
2.0
0.55
0.46
0.71
0.60
1.00
0.845
2.450
2.070
1.19
1.00
0.790
3.54
3.16
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
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
0.346
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
0.176
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
Model C: all
Model G: 5000Ω
Model K: 5000Ω
Model L: 7500Ω
0.035
0.031
0.029
0.050
0.087
0.100
Model E: 750Ω
Model H: 2000Ω
Model J: 5000Ω
0.041
0.035
0.032
0.058
0.050
0.045
0.041
0.035
0.032
Check product availability at
www.ohmite.com
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