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Model 402
Vishay Spectrol
Not for New Design
3" (76.2 mm) Single Turn Wirewound Precision Potentiometer
FEATURES
* Large range of ohmic values: 10 up to 150 k * Bushing mount, servo mount and screwing mount available This Model 402 is only for maintenance purposes. It is not recommended for new designs and will be obsolete in a near future. * Extra taps upon request * Gangable up to 6 sections
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
PARAMETER Total Resistance: Tolerance: 100 and Above Below 100 : Absolute Minimum Resistance End Voltage Linearity (Independent) Total Resistance 10 to 200 200 to 2 k 2 k to 10 k 10 k and Above Noise Electrical Angle Power Rating Section 1 Additional Section Insulation Resistance Dielectric Strength Taps (Extra) Phasing (CCW End Points) STANDARD 10 to 100 k 3% 5% Linearity x total resistance or 0.5 whichever is greater Linearity x total applied voltage for total resistance above 20 , 2.0 % of total voltage for 20 and below STANDARD 0.50 % 0.25 % 0.25 % 0.25 % 100 ENR 350 2 6.0 W at 70 C ambient derated to zero at 125 C 75 % of the rating of section 1 (4.5 W at 70 C) 1000 M minimum 500 VDC 1000 VRMS, 60 Hz 37 available as special, standard tolerance 1 Additional sections phased to section 1 within 1 BEST PRACTICAL 0.25 % 0.15 % 0.10 % 0.075 % SPECIAL 150 k 1% 3%
ORDERING INFORMATION/DESCRIPTION
The Model 402 can be ordered from this specification sheet with a variety of alternate characteristics, are as shown above. For most rapid service on your order, please state: 402 MODEL B MOUNTING TYPE B: Bushing S: Servo C: Screw 1 NUMBER OF SECTIONS From 1 up to 6 (Max.) 100K OHMIC VALUE BO1 PACKAGING Box of 1 piece
Other characteristics will be standard as decribed 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
402 MODEL C MOUNTING TYPE C: Screw 2 NUMBER OF SECTIONS 101 OHMIC VALUE Section NO 1 101 = 100 For technical questions, contact: sfer@vishay.com 104 OHMIC VALUE Section NO 2 104 = 100 k B01 PACKAGING Box of 1 piece Document Number: 57061 Revision: 15-Jun-07
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Not for New Design 3" (76.2 mm) Single Turn Wirewound Precision Potentiometer
DIMENSIONS in inches (millimeters)
0.625 (15.88) 0.312 MIN. (7.92) 1 0.062 (1.57)
0.010 0.031
Model 402
Vishay Spectrol
SCREW MOUNT: 402C
9 TYP. 3 1 2 1.700 R MAX. (43.18)
5
0.800 (20.32) + 0.0000 O 0.7500 (19.05) MTG. - 0.0005 O 0.2497 (6.34)
+ 0.0000 - 0.0003
45
0.015
O 3.000 (76.20) 1.640 R (41.66) MAX. MTG. FACE
8 - 32 UNC - 2B 0.187 0.015 DEEP (4.15) 3 HOLES EQUALLY SPACED (SCREW MOUNT ONLY)
O 2.250 B.C (57.15)
SERVO MOUNT: 402S
0.010
BUSHING MOUNT: 402B
1
0.015
0.705 (17.91) 0.375 (9.52) 0.062 (1.57)
0.010
1 0.340 MIN. (8.64)
0.831 (21.11)
0.031
0.875 (22.22)
0.031
0.625 (15.83)
0.073 MIN. (1.85) + 0.0000 0.093 (2.36) O 0.2497 - 0.0003 (6.34) 0.062 (1.57)
+ 0.0000 - 0.0003
0.239 MIN. (6.07)
0.2497 - 0.0003 (6.34) + 0.0000 O 0.5937 MTG. - 0.0010 (15.08)
+ 0.0000
0.15
3.000 (76.20)
0.0005
0.015
O 2.8750 MTG. (73.02)
2 O 3.000 (76.20) 1
CW
3
O 3.000 (76.20)
SCHEMATIC
MTG. FACE
1/ 2-
32 UNEF-2A
O 2.812 MAX. (71.42)
MTG. FACE 1
0.002
ADD 0.500 (12.70) FOR EACH ADDITIONAL SECTION.
MECHANICAL SPECIFICATIONS
PARAMETER Rotation Bearing Type Servo and Screw Mount: Bushing Mount Ganging Torque (Maximum) Mounting: Servo or Screw 1 Section Bushing 1 Section Each additional Section Runouts (Maximums) Shaft (TIR/In) Pilot dia (TIR) Lateral (TIR) Shaft End Play Shaft Radial Play Moment of Inertia Weight (Maximums) Each Additional Section: Document Number: 57061 Revision: 15-Jun-07 360 (continuous) Ball bearing Sleeve bearing 6 sections maximum terminal alignment, added sections, within 10 of section 1 terminals STARTING RUNNING
0.6 oz. - in (43.20 g - cm) 1.1 oz. - in (79.21 g - cm) 1.1 oz. - in (79.21 g - cm) 1.9 oz. - in (136.82 g - cm) 0.5 oz. - in (36.00 g - cm) 0.8 oz. - in (57.61 g - cm) BUSHING SERVO 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.005" (0.13 cm) 0.004" (0.10 cm) 0.005" (0.13 cm) 0.005" (0.13 cm) 0.003" (0.08 cm) 0.002" (0.05 cm) 4.0 g - cm2 per section maximum Single section: 7.0 oz. (198.45 g) 2.0 oz. (56.70 g) For technical questions, contact: sfer@vishay.com www.vishay.com 107
Model 402
Vishay Spectrol
Not for New Design 3" (76.2 mm) Single Turn Wirewound Precision Potentiometer
ENVIRONMENTAL SPECIFICATIONS
Vibration Shock Salt Spray Rotational Life Load Life Steel, nickel plated Brass, nickel plated Temperature Range 15 g thru 2000 CPS 50 g 96 h 1 million shaft revolutions 900 h - 55 C + 125 C
MATERIAL SPECIFICATIONS
Housing and Lids Shaft and Clamp Rings Terminals Bushing Mount Hardware Lockwasher Internal Tooth: Panel Nut: Aluminum, anodized Stainless steel, non-magnetic non-passivated Brass, plated for solderability
MARKING
Unit Identification Units shall be marked with Vishay Spectrol name, model no, data code and on each section, resistance, resistance tolerance, linearity and terminal identification
POWER RATING CHART
(Ratings for cup No. 1. Additional cups 75 % of values shown)
RESISTANCE ELEMENT DATA
RESISTANCE VALUES () MAXIMUM MAXIMUM WIRE RESO- OHMS CURRENT VOLTAGE TEMP. AT 70 C ACROSS LUTION PER COEF. COIL TURN AMBIENT (%) (ppm/C) (V) (mA) 0.160 0.120 0.094 0.106 0.091 0.072 0.057 0.056 0.042 0.034 0.025 0.019 0.018 0.023 0.016 0.024 0.047 0.106 0.181 0.361 0.575 1.12 2.09 3.42 5.07 9.41 18.0 34.4 775 548 347 245 173 110 77.5 54.8 34.6 24.5 17.3 11.0 7.74 6.32 7.74 10.9 17.3 24.5 34.7 54.5 77.4 109 173 245 347 545 775 949 800 800 800 20 20 20 20 20 20 20 20 20 20 20
10
10 20 50 100 200 500 1K 2K 5K 10K
20 40 60 80 100 120 140 160
RATED POWER IN W
8 6 4 2 0 STANDARD 125 C
SPECIAL 150 C
20K 50K 100K 150K
AMBIENT TEMPERATURE IN C
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For technical questions, contact: sfer@vishay.com
Document Number: 57061 Revision: 15-Jun-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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