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参数资料
| 型号： | RHS250 |
| 厂商： | Ohmite |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | RHEOSTAT 250 OHM 25W |
| 标准包装： | 1 |
| 系列： | H |
| 电阻（欧姆）： | 250 |
| 功率（瓦特）： | 25W |
| 特点： | 开放框架 |
| 触动器长度： | 22.23mm |
| 触动器直径： | 6.35mm |
| 旋转： | 300° |
| 端接类型： | 焊片 |
Model C
nut ( 1 / 16 " thick).
B
D
shaft
Model E
D
B
C
Mounting: Panels to
Models P, N, R, U
Rheostats
(Potentiometers) Wirewound
0.531"
13.49 mm
Mounting: Panels Locking
to 0.125" (3.18mm) shaft
thick with 1 / 4 -32
bushing and hex 0.25"
6.4 mm
0.625" 0.625"
1 5.88 mm 1 5.88 mm
0.125"
3.18 mm
0.25" 0.25" 0.109"
6.4 mm 6.4 mm 2.78 mm
Models H, J, G, K, L
Standard
unenclosed 0.625"
15.88 mm
0.125"
3.18 mm
0.25"
6.35 mm
standard
shaft
0.25" 0.078"
6.35 mm 1.98 mm
0.125" (3.18mm) thick enclosed
with 1 / 4 -32 bushing and
hex nut ( 1 / 16 " thick).
0.094"
Dimension “M"
P 0.875" 22.23 mm
N 1.188" 30.16 mm M M
R 1.5" 38.1 mm
U 3" 76.2 mm
Mounting: Panels
to 1.25" (31.75mm)
thick with 1 / 4 -20
flat-head screws. D
2.38 mm B
0.531" shaft
13.49 mm locking
nut
locking
shaft
0.406"
10.32 mm
D
2"
51 mm B
0.375"
9.53 mm
/ 4 - 20 thread for 1.563"
1.75"
44. 5 mm
D
0.031"
0.79 mm
0.25"
6.35 mm
0.375"
9.53 mm
0.75"
19.05 mm
bushing
projection
0.625"
15.88 mm
holes for
no. 8 screws
1
0.031"
0.79 mm
mounting screws 39.7 mm
C
12.7 mm
C
(4.76 mm) hole locking
in panel
nut
8.73 mm
holes for:
no. 2 screws (model H)
no. 8 screws (J, G, K, L) mounting
standard shaft
bracket on
See page 93 for
knobs, dials, and
Models H, J, K, L and N are listed under UL File No. E-10946 and CSA other hardware
Series
RCSR50E
Code Watts Model Shaft
Core
CL =
7.5
C
Locking Enclosed
CS =
7.5
C
Standard Enclosed
EE =
12.5
E
Standard Enclosed
EL =
12.5
E
Locking
Open
ES =
12.5
E
Standard
Open
GS = 75
G
Standard
Open
HL = 25
H
Locking
Open
HS = 25
H
Standard
Open
JS = 50
J
Standard
Open
*Check Table for
Standard
Resistance Values
and Maximum
Current Values
0.5"
0.031"
drill 0.188" 0.79 mm shaft
0.344"
0.063"
0.875" 1.59 m m locking shaft
22.23 mm B (only model H
stocked)
model L only (models H, J, G, K, L)
Mounting: Panels to 0.25" (6.35mm) thick with 3 / 8 -32 bushing and hex nut
( 3 / 32 " thick) (or with 10-32 x 0.75 flat-head screws for model L only).
Dimensions for reference only; consult factory for details.
Since all rheostats/potentiometers are electro-mechanical devices,
they are subject to mechanical wear and, therefore, have a finite life.
File No. 21309 unless noted otherwise.
All rheostats are 10% tolerance.
O R D E R I N G I N F O R M AT I O N
E = RoHS compliant
Rheostats
Wirewound
Potentiometers
Resistance Value*
Example:
R50 = 0.50 ?
1R0 = 1 ?
7R5 = 7.5 ?
250 = 250 ?
1K0 = 1,000 ?
1K75 = 1,750 ?
4K5 = 4,500 ?
50K = 50,000 ?
KS = 100 K Standard Open
LS = 150 L Standard Open
NS = 300 N Standard Open
PS = 225 P Standard Open
RS = 500 R Standard Open
US = 1000 U Standard Open
Model Type
E RES/REL
H RHS/RHL
J RJS
G RGS
K RKS
L RLS
P RPS
N RNS
R RRS
U RUS
C RCS/RCL
E REE
Watts
12.5
25
50
75
100
150
225
300
500
1000
7.5
12.5
Ohmic
range
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
Core
open
open
open
open
open
open
open
open
open
open
enclosed
enclosed
Max. Voltage
(RMS)*
305
500
750
900
1000
1200
1300
1225
1450
1600
305
305
Behind panel
“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
Diameter
“D" (In./ mm )
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
Dimension
“C" (In./ mm )
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
—
—
Shaft torque
1-6 oz. in.
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.
Rotation
(±5°)
300°
300°
300°
300°
300°
300°
310°
320°
325°
335°
300°
300°
? 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.
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