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| T7 Vishay Sfernice Miniature Cermet Trimmers FEATURES * Industrial grade * 0.5 Watt at 85 C * Test according to CECC 41100 * Low temperature coefficient (100 ppm/K typical) * Wide resistance range (10 to 2.2 M) The T7 trimmer is only 7 mm (0.275") in diameter and fits almost anywhere. A dust sealed plastic case protecting a quality cermet track guarantees high performance and proven reliability. Adjustments are made easier by the clear scale readings. T7 is ideally suited to all industrial applications. * Easy to read scale RoHS COMPLIANT DIMENSIONS in millimeters T7 YA T7 YB 0.4 2.54 0.5 c b a 2.54 2.54 2.54 2.54 c 0.6 0.5 b a 0.3 O4 O4 6 6 4.5 min 4.5 min O7 O7 Tolerances unless otherwise specified 0.5 mm CIRCUIT DIAGRAM a (1) b (2) cw c (3) Document Number: 51015 Revision: 01-Aug-06 For technical questions, contact: sfer@vishay.com See also: Application notes www.vishay.com 39 T7 Vishay Sfernice ELECTRICAL SPECIFICATIONS Resistive Element Electrical Travel Resistance Range Standard Series E3 Tolerance Standard Power Rating Temperature Coefficient Limiting Element Voltage (Linear Law) Contact Resistance Variation End Resistance (Typical) Dielectric Strength (RMS) Insulation Resistance Standard On Request Linear Logarithmic Cermet 270 15 10 to 2.2 M 1 - 2.2 - 4.7 and on request 1 - 2 - 5 20 % 10 % 0.5 W at 85 C not applicable See Standard Resistance Element Data 250 V 3 % or 3 1 1000 V 106 M Miniature Cermet Trimmers MECHANICAL SPECIFICATIONS Mechanical Travel Operating Torque (max. Ncm) End Stop Torque (max. Ncm) Unit Weight (max. g) 300 5 2 4 0.5 POWER RATING CHART 0.50 ENVIRONMENTAL SPECIFICATIONS Temperature Range Climatic Category Sealing - 55 C to + 125 C 55/100/56 IP64 POWER IN WATT 0.25 0 0 20 40 70 85 100 125 140 AMBIENT TEMPERATURE IN DEGREES CELSIUS PERFORMANCE TYPICAL VALUES AND DRIFTS TESTS CONDITIONS 1000 hours at rated power 90'/30' - ambient temperature 70 C Phase A dry heat 100 C Phase B damp heat Phase C cold - 55 C Phase D damp heat 5 cycles 56 days RT (%) RT R1-2 (%) R1-2 Load Life 3% 4% Contact resistance variation: < 3 % Rn Climatic Sequence 2% 3% Long Term Damp Heat 2% Dielectric strength: 1000 V RMS Insulation resistance: > 104 M 1% 3% Rapid Temperature Change 5 cycles - 55 C at + 125 C 50 g 11 ms 3 successive shocks in 3 directions 10 - 55 Hz 0.75 mm or 10 g during 6 hours 200 cycles V1-2 2% V1-3 1% V1-2 1% V1-3 Shock 0.5 % Vibration 0.5 % 3% Contact resistance variation: < 3 % Rn Rotational Life www.vishay.com 40 For technical questions, contact: sfer@vishay.com See also: Application notes Document Number: 51015 Revision: 01-Aug-06 T7 Miniature Cermet Trimmers Vishay Sfernice STANDARD RESISTANCE ELEMENT DATA STANDARD RESISTANCE VALUES 10 22 47 100 220 470 1K 2.2K 4.7K 10K 22K 47K 100K 220K 470K 1M 2.2M LINEAR LAW MAX. MAX. POWER WORKING AT 85 C VOLTAGE W 0.5 V 2.2 3.3 4.8 7.0 10.5 15.3 22.4 33.2 48.5 70.7 105 153 224 250 250 250 250 MAX. WIPER CUR. mA 224 150 103 70 47 32 22 15 10 7 4.8 3.2 2.2 1.1 1.53 0.25 0.11 TCR - 55 C + 125 C ppm/C 0 + 200 MARKING Printed: - VISHAY trademark - series - YA or YB style - ohmic value (in , k, M) - manufacturing date - marking of terminal: 3. SEALING T7 is sealed against dust (IP64). For board cleaning, Vishay recommands testing before usage. Water immersion is forbidden. Ultrasonic may cause component damage or failure. 100 0.5 0.28 0.13 0.06 0.028 PACKAGING - In bulk (box of 200 pieces), code BO200 - On request in Tube, code TU50 ORDERING INFORMATION T7 SERIES YA STYLE 470 k OHMIC VALUE 20 % TOLERANCE BO200 PACKAGING e2 LEAD FINISH YA - YB BO200 On request: TU50 e2: SnAg alloy SAP PART NUMBERING GUIDELINES T 7 Y A 4 7 4 M B 4 0 MODEL STYLE OHMIC VALUE TOL PACKAGING CODE SPECIAL (IF APPLICABLE) See the end of this data book for conversion tables Document Number: 51015 Revision: 01-Aug-06 For technical questions, contact: sfer@vishay.com See also: Application notes www.vishay.com 41 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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