LTA 50 www.vishay.com Vishay Sfernice 50 W Power Resistor Thick Film TechnologyFEATURES • 50 W at 50 °C case temperature heatsink mounted • Direct mounting ceramic on heatsink • Broad resistance range: 0.010 Ω to 450 kΩ • Non inductive • TO-220 package: compact and easy to mount LINKS TO ADDITIONAL RESOURCES • AEC-Q200 qualified • Material categorization: for definitions of compliance D 3 please see www.vishay.com/doc?99912 3 D3D Models LTA series are the extension of RTO types. We used the direct ceramic mounting design (no metal tab) of our RCH power resistors applied to semiconductor packages. DIMENSIONS in millimeters 3.2 10.4 3.2 16.2 Ø 3.2 1.3 3.5 12.7 0.8 0.6 1.8 5.08 Note • Tolerances unless stated: ± 0.3 mm STANDARD ELECTRICAL SPECIFICATIONSRESISTANCERATED POWER LIMITING ELEMENTTEMPERATURECRITICALTOLERANCEMODELSIZERANGEP50 °CVOLTAGE ULCOEFFICIENTRESISTANCE Ω ± %WV± ppm/°C Ω 0.01 to < 0.5 50 500 5, 10 250, 700, 900 n/a LTA 50 TO-220 0.5 to 450K 50 500 1, 2, 5, 10 150 5K MECHANICAL SPECIFICATIONSENVIRONMENTAL SPECIFICATIONSMechanical Protection Molded Temperature Range -55 °C to +175 °C Resistive Element Thick film Climatic Category 55 / 155 / 56 Substrate Alumina IEC 60695-11-5 Connections Tinned copper Flammability Application time: ta = 10 s Burning duration: tb < 30 s Weight 2 g max. Mounting Torque 1 Nm Revision: 23-Jan-2025 1 Document Number: 50086 For technical questions, contact: sferfixedresistors@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
