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Model 702
Vishay Spectrol
7/ 8"
(22.2 mm) Single Turn Wirewound Precision Potentiometer
FEATURES
* Large range of ohmic values: from 5 up to 100 k * Bushing mount or servo mount types are available * Extra taps upon request * Gangable up to 6 sections
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
PARAMETER Total Resistance: (Bushing 91 k max.) Tolerance: 20 and above Below 20 Absolute Minimum Resistance End Voltage Linearity (Independent) 5 to 100 100 to 500 500 to 5 k 5 k and Above Noise Electrical Angle Power Rating Section 1 Additional Sections Insulation Resistance Dielectric Strength Taps (Extra) Phasing (CCW End Points) STANDARD 5 to 20 k 3% 5% SPECIAL 5 to 100 k 1% 3%
Linearity x total resistance or 0.5 whichever is greater Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage for 20 and below STANDARD 1.0 % 1.0 % 0.5 % 0.5 % 100 ENR 350 2 1.25 W at 70 C ambient derated to zero at 125 C 75 % of the rating of section 1 (0.94 W at 70 C) 1000 M minimum 500 VDC 1000 VRMS, 60 Hz 9 available as special, standard tolerance 2 Additional sections phased to section 1 within 1 BEST PRACTICAL 0.75 % 0.50 % 0.35 % 0.25 %
ORDERING INFORMATION/DESCRIPTION
The Model 702 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on your order, please state: 702 MODEL B MOUNTING TYPE B: Bushing S: Servo 1 NUMBER OF SECTIONS From 1 up to 6 sections (max.) 20K OHMIC VALUE BO1 PACKAGING 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
702 MODEL S MOUNTING TYPE S: Servo 2 NUMBER OF SECTIONS 050 OHMIC VALUE Section NO 1 050 = 5 100 OHMIC VALUE Section NO 2 100 = 10 B01 PACKAGING Box of 1 piece
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For technical questions, contact: sfer@vishay.com
Document Number: 57069 Revision: 12-Jul-07
Model 702
7/ 8"
(22.2 mm) Single Turn Wirewound Precision Potentiometer
Vishay Spectrol
DIMENSIONS in inches (millimeters)
0.010 0.031
BUSHING MOUNT: 702B
+ 0.0000
1
0.687 (17.45)
0.500 (12.70) 0.250 (6.35) 0.062 (1.57)
3 30 TYP. 1 2
O 0.4062 MTG.- 0.0010 (10.32)
+ 0.0000
0.308 MIN. TYP (7.82)
O 0.1248 - 0.0003 (3.17)
O 0.875 (22.22)
0.015
MTG. FACE
3/
8
- 32 UNEF - 2A R 0.640 (16.26) MAX. 0.062 (1.57) 0.062 (1.57) 0.062 (1.57)
+ 0.0000
0.010
0.031
1
0.687 (17.45)
0.500 (12.70)
SERVO MOUNT: 702S
0.015
2 1
CW
3
0.875 (22.22)
O 0.7500 - 0.0005 (19.05) O 0.875 (22.22)
+ 0.0000
SCHEMATIC
O 0.750 MAX. (19.05)
MTG. FACE
O 0.1248 - 0.0003 (3.17)
1
ADD 0.500 (12.70) 0.002 FOR EACH ADDITIONAL SECTION
TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2
MECHANICAL SPECIFICATIONS
PARAMETER Rotation Bearing Type Ganging Torque (Maximum) Servo Section 1 Bushing Section 1 Each Additional Section Mechanical Runouts (Maximums): Shaft Runout (TIR/In) Pilot Dia. Runout (TIR) Lateral Runout (TIR) Shaft End Play Shaft Radial Play Moment of Inertia Weight: Single Section Each Additional Section Document Number: 57069 Revision: 12-Jul-07 SERVO Ball bearing 360 continuous BUSHING Sleeve bearing
6 sections maximum Terminal alignment, added sections within 10 of section 1 terminals STARTING 0.10 oz. - in (7.20 g - cm) 0.25 oz. - in (18.00 g - cm) 0.10 oz. - in (7.20 g - 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) RUNNING 0.085 oz. - in (6.12 g - cm) 0.20 oz. - in (14.40 g - cm) 0.075 oz. - in (5.40 g - cm) 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)
0.12 g - cm2 per section maximum 0.6 oz. (17.01 g) 0.2 oz. (5.67 g) For technical questions, contact: sfer@vishay.com www.vishay.com 113
Model 702
Vishay Spectrol
7/ " 8
(22.2 mm) Single Turn Wirewound Precision Potentiometer
ENVIRONMENTAL SPECIFICATIONS
Vibration Shock Salt Spray 15 g thru 2000 CPS 50 g 96 h 1 million shaft revolutions 900 h
MATERIAL SPECIFICATIONS
Housing and Lids Shaft Terminals Bushing Mount Hardware Lockwasher Internal Tooth: Panel Nut: Aluminum, anodized Stainless steel, non-magnetic non-passivated Brass, plated for solderability Steel, nickel plated Brass, nickel plated
Rotational Life Load Life
MARKING
Unit Identification Units shall be marked with Vishay Spectrol name, model no and date code, and on each section: resistance, resistance tolerance, linearity and terminal identification
Operating Temperature Range:
- 55 C + 125 C
POWER RATING CHART
(Ratings for cup No. 1. Additional cups 75 % of values shown)
3
RESISTANCE ELEMENT DATA
STANDARD RESISTANCE VALUES () 5 RESOLUTION (%) 0.460 0.378 0.374 0.300 0.271 0.235 0.206 0.156 0.127 0.101 0.95 0.90 0.75 0.65 OHMS PER TURN 0.023 0.038 0.075 0.150 0.271 0.478 1.03 1.56 2.55 5.07 8.50 17.9 37.9 64.5 MAXIMUM MAXIMUM WIRE CURRENT VOLTAGE TEMP. AT 70 C ACROSS COEF. COIL AMBIENT (ppm/C) (V) (mA) 500 354 250 158 112 79.1 50.0 35.4 25.0 15.8 11.2 7.90 5.00 3.54 2.50 3.54 5.00 7.90 11.2 15.8 25.0 35.4 50.0 79.0 112.0 158.0 250.0 354.0 800 800 180 180 20 20 20 20 20 20 20 20 20 20
RATED POWER IN W
10
2 1.5 1 SPECIAL (150 C) STANDARD (125 C)
20 50 100 200 500 1K 2K 5K
40 60 80 100 120 140 160
0 20
10K 20K 50K 100K
AMBIENT TEMPERATURE IN C
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For technical questions, contact: sfer@vishay.com
Document Number: 57069 Revision: 12-Jul-07
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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