1 5/16" (33.3 mm) Single Turn Wirewound
Precision Potentiometer
Model 100
Vishay Spectrol
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 57034
80 Revision: 28-Jun-07
FEATURES
•Gangable up to 6 sections
•Extra taps on request
•Bushing and servo mount types available
•Ohmic value range: 5 Ω up to 35 kΩ
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance:
Tolerance: 50 Ω and Above
Below 50 Ω
STANDARD
5 Ω to 20 kΩ
± 3 %
± 5 %
SPECIAL
to 35 kΩ
± 1 %
± 3 %
End Voltage Linearity x total applied voltage for total resistance above 20 Ω.
2.0 % of total applied voltage for 20 Ω and below
Linearity (Independent):
5 Ω to 100 Ω
100 Ω to 500 Ω
500 Ω to 3 kΩ
3 kΩ to 15 kΩ
15 kΩ and above
STANDARD
± 1.0 %
± 0.5 %
± 0.5 %
± 0.5 %
± 0.5 %
BEST PRACTICAL
± 0.50 %
± 0.35 %
± 0.25 %
± 0.20 %
± 0.15 %
Noise 100 Ω ENR (MIL-R-12934)
Electrical Angle 352° ± 2°
Power Rating 2.75 W at 40 °C ambient
Insulation Resistance 100 MΩ min, 500 VDC
Dielectric Strength 1000 VRMS, 60 Hz
Taps (Extra) Up to 13 (position tolerance: ± 1°)
Phasing CCW taps of multiple sections aligned with
CCW tap of section 1 to ± 1°
Absolute Minimum Resistance Linearity x total resistance or 0.5 Ω, whichever is greater
ORDERING INFORMATION/DESCRIPTION
The Model 100 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on your
order, please state:
100 S 1 10K BO1
MODEL MOUNTING TYPE NUMBER OF SECTIONS OHMIC VALUE PACKAGING
B: Bushing
S: Servo
Up to 6 sections 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
100 B 2 203 502 B01
MODEL STYLE NUMBER OF
SECTIONS
OHMIC VALUE OHMIC VALUE PACKAGING
Bushing Section NO 1: 20K Section NO 2: 5K Box of 1 piece
Model 100
1 5/16" (33.3 mm) Single Turn Wirewound
Precision Potentiometer
Vishay Spectrol
Document Number: 57034 For technical questions, contact: sfer@vishay.com www.vishay.com
Revision: 28-Jun-07 81
DIMENSIONS in inches (millimeters)
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation 360° (continuous)
Bearing Type Servo mount: Ball bearing
Bushing mount: Sleeve bearing
Ganging 6 sections maximum, terminal alignment, added sections,
within ± 10° of section 1 terminals
Torque (Maximums)
Servo, 1 Section
Bushing, 1 Section
Each Additional Section
STARTING
0.60 oz. - in (43.20 g - cm)
1.00 oz. - in (72.00 g - cm)
0.30 oz. - in (21.60 g - cm)
RUNNING
0.30 oz. - in (21.60 g - cm)
0.75 oz. - in (54.00 g - cm)
0.30 oz. - in (21.60 g - cm)
Mechanical Tolerances (Maximums):
Shaft Runout (TIR/In)
Pilot Dia. Runout (TIR)
Lateral Runout (TIR)
Shaft End Play
Shaft Radial Play
BUSHING
0.002" (0.05 cm)
0.002" (0.05 cm)
0.005" (0.13 cm)
0.005" (0.13 cm)
0.004" (0.10 cm)
SERVO
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)
Moment of Inertia 1.0 g - cm2 per section maximum
Weight
Single Section
Each Additional Section
2.0 oz. maximum (56.7 g)
0.75 oz. maximum (21.3 g)
0.242 MIN.
(6.15)
0.705
(17.91)
1
2
3
0.562
(14.27)
Ø 0.125
(3.18)
0.875R
(22.22) MAX.
22 1/2°
TYP.
BUSHING MOUNT: 100B...
SERVO MOUNT: 100S...
3/8 - 32 UNEF 2A
MTG. FACE
0.062 (1.57)
± 0.031
Ø 0.4062 MTG.
(10.32)
+ 0.0000
- 0.0010
0.2497
(6.34)
Ø 1.312
(33.32)
0.062
(1.57)
0.375
(9.52)
± 0.031
± 0.010
0.875
(22.22)
± 0.031
MTG. FACE
Ø 1.312
(33.32)
Ø 1.1875
(30.16)
MTG.
Ø 1.187
(30.15)
MAX.
Ø 1.312
(33.32)
0.2497
(6.34)
+ 0.0000
- 0.0003 Ø
0.062 (1.57)
0.062 (1.57)
0.073 (1.85)
0.562
(14.27)
± 0.031
0.800
(20.32)
± 0.010
0.337 MIN.
(8.56)
13
2
1
1ADD 0.566 ± 0.002 (14.38) FOR EACH
ADDITIONAL SECTION
TOLERANCES: UNLESS OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2 °
1
CW
SCHEMATIC
+ 0.0000
- 0.0003
+ 0.0000
- 0.0005
Model 100
Vishay Spectrol 1 5/16" (33.3 mm) Single Turn Wirewound
Precision Potentiometer
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 57034
82 Revision: 28-Jun-07
MATERIAL SPECIFICATIONS
Housing and Lids Aluminum, anodized
Shaft Stainless steel, non-magnetic
non-passivated
Terminals Brass, plated for solderability
Bushing Mount Hardware
Lockwasher Internal Tooth:
Panel Nut:
Steel, nickel plated
Brass, nickel plated
ENVIRONMENTAL SPECIFICATIONS
Vibration 15 g thru 2000 CPS
Shock 50 g
Salt Spray 96 h
Rotational Life 1 million shaft revolutions
Load Life 900 h
Temperature Range - 55 °C to + 105 °C
MARKING
Unit
Identification
Units shall be marked with Vishay Spectrol name, model number and data code and on each section,
resistance, resistance tolerance, linearity and terminal identification
POWER RATING CHART
AMBIENT TEMPERATURE IN °C
RATED POWER IN W
0 25 50 75 100 125
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
RESISTANCE ELEMENT DATA
RESISTANCE
VALUES
(
Ω
)
RESO-
LUTION
(%)
OHMS
PER
TURN
MAXIMUM
CURRENT
AT 70 °C
AMBIENT
(mA)
MAXIMUM
VOLTAGE
ACROSS
COIL
(V)
WIRE
TEMP.
COEF.
(ppm/°C)
5 0.346 0.017 742 3.7 800
10 0.298 0.030 524 5.2 800
20 0.236 0.047 371 7.4 800
50 0.244 0.122 235 12 20
100 0.222 0.222 166 17 20
200 0.181 0.361 117 23 20
500 0.178 0.885 74 37 20
1K 0.138 1.38 52 52 20
2K 0.105 2.09 37 74 20
5K 0.085 4.23 23 117 20
10K 0.069 6.84 17 166 20
20K 0.058 11.5 12 235 20
35K 0.058 20.0 8.8 310 20
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
Disclaimer
Legal Disclaimer Notice
Vishay
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
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