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| Not for New Design Model 139 Vishay Spectrol 1 5/16" (33.3 mm) Industrial Single Turn Cermet Bushing Mount Model FEATURES * Very high ohmic values available: up to 2 M * Center tap available * Continuous rotation and mechanical stops both standard * High power rating RoHS COMPLIANT This Model 139 is only for maintenance purposes. It is not recommended for new designs and will be obsolete in a near future. ELECTRICAL SPECIFICATIONS PARAMETER Ohmic Value Tolerance Linearity (Independent) Output Smoothness Power Rating STANDARD 500 to 2 M 20 % STANDARD 0.5 % 0.1 % maximum 40 C ambient 5W derated to zero at 125 C 345 4 340 5 1000 M minimum at 500 VDC 1000 VRMS, 60 Hz 1.0 % of total resistance 0.5 % maximum 100 ppm/C maximum SPECIAL 500 to 2 M 5% BEST PRACTICAL 0.25 % Electrical Rotation Continuous Stops Insulation Resistance Dielectric Strength Absolute Minimum Resistance Minimum Voltage Temperature Coefficient of Resistance MATERIAL SPECIFICATIONS Housing Rear Lid Shaft Terminals Mount Hardware Lockwasher Internal Tooth: Panel Nut: Molded glass filled thermoplastic Glass filled thermoset plastic Stainless steel, non-magnetic Brass, plated for solderability, Non-passivated Steel, nickel plated Brass, nickel plated ENVIRONMENTAL SPECIFICATIONS Vibration Shock Salt Spray Rotational Life Shaft Revolutions Operating Temperature Range 15 Gs thru 2000 Hz 50 g 48 h 2 million - 55 C to + 125 C ORDERING INFORMATION/DESCRIPTION 139 MODEL B BUSHING MOUNT 0 MECHANICAL OPTIONS 0. Continuous 2. Stops 0 OTHER OPTIONAL FEATURES 0. Standard (end taps) 1. Center tap (within 5 of electrical center) 20K RESISTANCE CODE BO10 PACKAGING Box of 10 pieces Other characteristics will be standard as described on this specification sheet. If special characteristics are required such as special linearity tolerance, special resistance tolerance, non-linear functions, etc., please state these on your order. SAP PART NUMBERING GUIDELINES 139 MODEL B STYLE 2 MECHANICAL OPTIONS With stops www.vishay.com 14 1 FEATURES With center tap 103 OHMIC VALUE B10 PACKAGING Box of 10 pieces Document Number: 57038 Revision: 28-May-07 For technical questions, contact: sfer@vishay.com Not for New Design 1 5/16" (33.3 mm) Industrial Single Turn Cermet Bushing Mount Model DIMENSIONS in inches (millimeters) 0.031 Model 139 Vishay Spectrol 0.875 (22.22) 0.015 0.625 (15.88) 0.015 0.015 + 0.0000 60 0.015 O 0.500 (12.70) BC 0.187 (4.75) 0.062 (1.57) 0.375 (9.52) O 0.4062 MTG.- 0.0020 (10.32) 0.032 (0.81) 0.010 + 0.0000 O 0.2497 (6.34) - 0.0003 0.030 MAX. (0.76) 0.562 (14.27) 0.015 O 1.312 (33.32) 0.032 (0.81) 3/ 8 - 32 UNEF - 2A O 0.125 (3.18) 0.062 (1.57) 2 1 CW 3 TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2 MTG. SURFACE SCHEMATIC MECHANICAL SPECIFICATIONS PARAMETER Rotation Bearing Type Torque (Maximums) Runouts (Maximums) Shaft Runout (TIR) Pilot Dia. Runout (TIR) Lateral Runout (TIR) Shaft End Play Shaft Radial Play Weight Stop Strength 0.002" (0.05 mm) 0.003" (0.08 mm) 0.005" (0.13 mm) 0.008" (0.20 mm) 0.003" (0.08 mm) 1.0 oz. maximum (28.35 g) 8.0 in - lbs (9.21 kg - cm) (stops version only) STARTING 1.0 oz. - in (72 g - cm) 360 (continuous) 340 5 stops Sleeve RUNNING 0.7 oz. - in (50.40 g - cm) POWER RATING CHART 6.0 MARKING Units shall be marked with Vishay Spectrol name, model number, resistance and tolerance, linearity, terminal identification, and data code Applicable test procedures: MIL-R-39023 RATED POWER IN W 5.0 4.0 3.0 2.0 1.0 0 20 40 60 80 100 120 140 Unit Identification AMBIENT TEMPERATURE IN C Document Number: 57038 Revision: 28-May-07 For technical questions, contact: sfer@vishay.com www.vishay.com 15 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 www.vishay.com 1 |
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