MODEL122 [VISHAY]
1 1/16 (27 mm) Single Turn Wirewound Precision Potentiometer; 1 1/16 （27 MM）单圈线绕精密电位器
| 型号： | MODEL122 |
| 厂家： | 
VISHAY |
| 描述： | 1 1/16 (27 mm) Single Turn Wirewound Precision Potentiometer |
| 文件： | 总4页 (文件大小：277K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Model 122
Vishay Spectrol
1 1/16" (27 mm) Single Turn Wirewound
Precision Potentiometer
FEATURES
• Gangable up to 6 sections
• Extra taps on request
RoHS
COMPLIANT
• Bushing or servo mount types available
• Ohmic value range: 5 Ω up to 100 kΩ
ELECTRICAL SPECIFICATIONS
PARAMETER
STANDARD
5 Ω to 20 kΩ
3 %
SPECIAL
to 100 kΩ
1 %
Total Resistance
Tolerance: 20 Ω and Above
Below 20 Ω
5 %
3 %
Linearity (Independent):
5 Ω to 200 Ω
STANDARD
1.0 %
BEST PRACTICAL
0.50 %
0.35 %
0.25 %
0.20 %
200 Ω to 2 kΩ
0.5 %
0.5 %
0.5 %
2 kΩ to 10 kΩ
10 kΩ and Above
Noise
100 Ω ENR
Electrical Angle
350° 2°
Power Rating
Section 1:
Additional Sections:
1.50 W at 70 °C ambient, derated to zero at 125 °C
75 % of the rating of section 1 (1.125 W at 70 °C)
Insulation Resistance
Dielectric Strength
1000 MΩ minimum 500 VDC
1000 VRMS 60 Hz
Absolute Minimum Resistance
Linearity x total resistance or 0.5 Ω, whichever is greater
Linearity x total applied voltage for total resistance above 20 Ω, 2.0 %
of total applied voltage for 20 Ω and below
End Voltage
Phasing (CCW End Points)
Taps (Extra)
Additional sections phased to section 1 within 1°
9 available as special standard tolerance 1°
ORDERING INFORMATION/DESCRIPTION
The Model 122 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on your
order, please state:
122
B
1
5K
BO1
MODEL
MOUNTING TYPE
NUMBER OF SECTIONS TOTAL RESISTANCE OF
EACH SECTION
PACKAGING
B: Bushing
S: Servo
Up to 6 sections
Beginning with the section
nearest the mounting end
Box of 1 piece
Other characteristics will be standard as described on this data sheet. If special characteristics are required, such as: special linearity
tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow additional lead time
for delivery.
SAP PART NUMBERING GUIDELINES
122
S
2
103
203
B01
MODEL
MOUNTING TYPE
NUMBER OF
SECTIONS
OHMIC VALUE
OHMIC VALUE
PACKAGING
Servo
2
Section NO 1
103 = 10K
Section NO 2
203 = 20K
Box of 1 piece
Document Number: 57036
Revision: 03-Jul-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
83
Model 122
Vishay Spectrol
1 1/16" (27 mm) Single Turn Wirewound
Precision Potentiometer
DIMENSIONS in inches (millimeters)
BUSHING MOUNT: 122B...
0.010
0.031
0.687
(17.45)
0.875
(22.22)
1
0.015
0.375
(9.52)
3
1
0.308 MIN.
(7.82)
30°
TYP.
+ 0.0000
- 0.0003
0.062
(1.57)
Ø 0.1248
(3.17)
2
+ 0.0000
- 0.0010
Ø 0.4062
(10.32)
0.015
Ø 1.062
(26.97)
0.735 R MAX.
(18.67)
3/8 - 32 UNEF - 2A
MTG. FACE
SERVO MOUNT: 122S...
0.031
0.308 MIN.
(7.82)
0.500
(12.70)
0.062
(1.57)
0.062
(1.57)
ADD 0.500
ADDITIONAL SECTION
0.002 (12.70) FOR EACH
1
0.010
0.687
(17.45)
0.062
(1.57)
1
+ 0.0000
- 0.0005
Ø 0.9688
(24.61)
TOLERANCES: UNLESS OTHERWISE NOTED.
DECIMALS 0.005 ANGLES 2°
0.015
Ø 1.062
(26.97)
2
CW
1
3
+ 0.0000
- 0.0003
Ø 0.968 MAX.
(24.58)
Ø 0.1248
(3.17)
SCHEMATIC
MTG. FACE
MATERIAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Vibration
15 g thru 2000 CPS
Housing and Lids
Aluminum, anodized
Shock
50 g
96 h
Salt Spray
Stainless steel, non-magnetic
non-passivated
Rotational Life
Load Life
1 million shaft revolutions
900 h
Shaft
Temperature Range
- 55 °C to + 125 °C
Terminals
Brass, plated for solderability
MARKING
Bushing Mount Hardware
Lockwasher Internal Tooth:
Panel Nut:
Units shall be marked with Vishay Spectrol
name and model number resistance and
Unit
Steel, nickel plated
Brass, nickel plated
Identification resistance tolerance, linearity, terminal
identification and data code
www.vishay.com
84
For technical questions, contact: sfer@vishay.com
Document Number: 57036
Revision: 03-Jul-07
Model 122
Vishay Spectrol
1 1/16" (27 mm) Single Turn Wirewound
Precision Potentiometer
POWER RATING CHART
(Ratings for cup No.1.
Additional cups 75 % of values shown)
RESISTANCE ELEMENT DATA
MAXIMUM MAXIMUM
WIRE
TEMP.
COEF.
RESISTANCE
VALUES
RESO-
LUTION
(%)
OHMS CURRENT VOLTAGE
PER
AT 70 °C ACROSS
6
5
(Ω)
TURN AMBIENT
(mA)
COIL
(V)
(ppm/°C)
5
0.364
0.311
0.250
0.232
0.232
0.194
0.168
0.156
0.109
0.088
0.076
0.018
0.031
0.050
0.116
0.231
0.389
0.841
1.557
2.178
4.382
7.644
548
387
2.74
3.87
5.48
8.65
12.2
17.3
27.4
38.7
54.8
86.5
122
800
800
180
180
20
4
3
2
10
20
274
50
173
100
200
500
1K
122
SPECIAL 150 °C
86.6
54.8
38.7
27.4
17.3
12.2
8.66
5.48
3.87
20
20
1
STANDARD 125 °C
20
2K
20
0
20
40
60
80
100
120
140 160
5K
20
10K
20K
50K
100K
20
AMBIENT TEMPERATURE IN °C
0.071 14.235
0.062 30.921
0.052 51.983
173
20
274
20
387
20
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
360° continuous
Servo mount: Ball bearing
Bushing mount: Sleeve bearing
Bearing Type
Torque (Maximums)
Servo, 1 Section
Bushing, 1 Section
Each Additional Section
STARTING
RUNNING
0.25 oz. - in (18.0 g - cm)
0.30 oz. - in (21.6 g - cm)
0.20 oz. - in (14.4 g - cm)
0.15 oz. - in (10.8 g - cm)
0.25 oz. - in (18.0 g - cm)
0.15 oz. - in (10.8 g - cm)
Mechanical Runouts (Maximums):
Shaft Runout (TIR/in)
Pilot Dia. Runout (TIR)
Lateral Runout (TIR)
Shaft End Play
SERVO
BUSHING
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.003" (0.08 cm)
Shaft Radial Play
Weight (Maximums):
Single Section
Each Additional Section
0.8 oz. (22.7 g)
0.4 oz. (11.3 g)
6 sections maximum, terminal alignment, added
sections within 10° of section 1 terminals
Ganging
Moment of Inertia
0.12 g - cm2 per section maximum
Document Number: 57036
Revision: 03-Jul-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
85
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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1
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