251B120503B3N1 [CTS]
Long Life 9mm Carbon Composition Rotary Potentiometer;
| 型号： | 251B120503B3N1 |
| 厂家： | 
CTS |
| 描述： | Long Life 9mm Carbon Composition Rotary Potentiometer |
| 文件： | 总2页 (文件大小：269K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Data Sheet
Series 251
®
Rotary Potentiometer
Electrocomponents
Long Life 9mm
Carbon Composition
Rotary Potentiometer
Features
• 1M Cycle Life Available
• Miniature 9mm Size
• Light Rotational Torque
• Molded Shaft or Rotor Available
• Sturdy Insert Molded Terminal
• Low Noise
• Low Cost
• RoHS compliant
Electrical and Mechanical Specifications
Resistance Range
Stop Strength
10 K through 200 K ohms, linear
3 kgf-cm minimum
Push-Pull Strength on Shaft
ance
ce Toler
Resistan
5 kg for 10 seconds
± 10%, ± 20%, ± 30%
Power Rating
Rotational Life
0.01 watts @ 50°C
250,000 cycles ( 240° to 280° effective electrical angle)
1,000,000 cycles (40° to 110° effective electrical angle)
Dielectric Stength
250 VAC for 1 minute
Operating Temperature
- 10°C to 70°C
Maximum Operating Voltage
50 VAC, 5 VDC
Solder Heat Resistance
260°C for 5 seconds
Insulation Resistance
100 Megohm minimum @ 250 VDC
MountingInformation
Bushing Mount
Angle of Rotation
Snap-in Mount
Total Rotational Angle: 300°
Effective Electrical Angle: 40°, 60°, 110°, 280°
Rotational Torque
3 to 30 gf-cm
1 - 2
CTS Electrocomponents
© 2010 CTS Corporation. All rights reserved. Information subject to change.
05/19/10
www.ctscorp.com
"T" Shaft Trim, Bushing Mount
2.5±0.05
+0.05
-0.10
+.002
-.004
.0985±.002
5.1
0.5
3.96
.156
L±
Ø
10.0
.394
.201
.020
3.7
REF.
5.0
.197
.146
±0.10
±.004
3.45
.136
5.0±0.05
.197±.002
4.9
.193
Ø7.0
.276
5.8
.228
6.2
.244
+0.2
-0.0
+.008
-.000
3.6
1.1
(3)
Ø
0.5
.020
.142
C
.043
4.4
.173
0.8
0.5
.020
.031
MOUNTING SURFACE
0.3
2.0
.012
.079
TERMINAL HOLE DETAIL
+0.0
-0.1
+.000
-.004
0.8
3.7
(3)
.031
.146
2.5
.0985
5.0
.197
mm
DIMENSION:
INCH
"F" Shaft Trim, Bushing Mount
2.5±0.05
+0.05
-0.10
-.002
-.004
5.1
.0985±.002
0.5
.020
5.00
.197
L±
Ø
10.0
.394
.201
3.7
REF.
5.0
.146
.197
±0.10
±.004
3.50
.138
7.0
5.0±0.05
.276
4.9
.197±.002
.193
Ø7.0
.276
5.8
6.2
+0.2
3.6
1.1
-0.0
.228
.244
(3)
Ø
.142
+.008
-.000
0.5
.043
C
4.4
.020
0.8
.173
0.5
.031
MOUNTING SURFACE
0.3
2.0
.020
.012
.079
+0.0
TERMINAL HOLE DETAIL
0.8
-0.1
3.7
(3)
+.000
-.004
.146
.031
2.5
.0985
mm
5.0
.197
DIMENSION:
INCH
Slotted Rotor, Snap-in Mount
9.5
.374
1.0
3.1
.039
.122
10.3
.406
1.2(3)
Ø
.047
7.40
.291
L
0.5
8.5
.335
(2)
.020
C
7.40
.291
1.30±0.1
4.0
(3)
C
L
Ø
4.05
Ø
4.9
.051±.004
.157
.159
3.20
.126
.193
C
L
11.1
.437
3.0
1.8
8.20
.322
(2)
37°(2)
.071
.118
0.5
.020
(2)
10.6
.417
7.2
1.8
.071
1.0
.283
9.60
.378
C
L
.039
0.3
.012
+0.0
1.56
.061
(3)
0.8
2.5
-0.1
(2)
HOLE PLACEMENT DETAIL VIEW
FROM POT. MOUNTING SIDE.
+.000
.098
.031
-.004
5.0
0.3
.012
.197
mm
DIMENSION:
INCH
Ordering Information
251
B 12
F
103 B
1
N
B
RESIST TOL
RESIST TAP
SHAFT TRIM
TERMINAL STYLE
B- PC terminal
A- ± 10%
B- ± 20%
C- ± 30%
N - No center tap
T - 4° tap at center
F - 5.00 mm dia., Flatted
T - 3.96 mm dia., Flatted
0 - Slotted rotor
EFFECTIVE
ELECTRICAL ANGLE
SPECIALS
SHAFT LENGTH “L”
RESISTANCE CODE
EXAMPLES
1 - Without bushing
B- Bushing (No thread)
MOLDED SHAFT LENGTH
1- Linear (40°)
3- Linear (60°)
5- Linear (110°)
9- Linear (280°)
CODE RESISTANCE
Notes:
12- 12 mm
15- 15 mm
Without bushing for slotted rotor.
Bushing (No thread) for shaft.
103
253
503
104
10 K
25 K
50 K
MOLDED SLOTTED ROTOR
100 K
00- Slotted rotor
2 - 2
CTS Electrocomponents
© 2010 CTS Corporation. All rights reserved. Information subject to change.
05/19/10
www.ctscorp.com
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