High Frequency Chip Resistor Terminators Welwyn Components Wraparound termination with non-leaching Nickel barrier PFC HF Series • Long life TaNFilm® element • Absolute TCR to ±25ppm/°C • Available in 0603, 0805 and 1206 chip sizes • Standard Sn/Pb and Pb-free terminations available Ultra stable Tantalum Nitride resistor film system Electrical Data Maximum Continuous Power Rating W0603HF 100mW W0805HF 250mW Ohmic Value Available Tolerances Temperature Range Noise Termination Substrate 50.0W KJGF -55°C to 150°C <-25dB Tin Plate 99.5% Alumina Physical Data (mm) Bottom Side Top W H b L a EPOXY OVERCOAT ULTRA STABLE TANTALUM NITRIDE RESISTOR FILM SYSTEM WRAP AROUND TERMINATORS TIN PLATED/NICKEL BARRIER L W H a b W0603 1.60 ± 0.1 0.79 ± 0.1 0.51 ± 0.1 0.30 ± 0.13 0.38 ± 0.13 W0805 2.06 ± 0.13 1.27 ± 0.13 0.51 ± 0.15 0.41 ± 0.20 0.41 ± 0.20 General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyn’s own data and is considered accurate at time of going to print. © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: [email protected] • Website: www.welwyn-tt.com A subsidiary of TT electronics plc PFC HF Series Issue June 2006 High Frequency Chip Resistor Terminators Welwyn Components Return Loss Data (S11, S22) Attenuation (dB) W0603HF Frequency Performance Frequency Attenuation (dB) W0805HF Frequency Performance © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Frequency Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: [email protected] • Website: www.welwyn-tt.com PFC HF Series Issue June 2006 High Frequency Chip Resistor Terminators Welwyn Components Environmental Performance Performance Maximum ∆R Per Characteristic E Typical Maximum Thermal Shock ±0.10% ±0.02% ±0.10% Low Temperature Operation ±0.10% ±0.01% ±0.05% Short-time Overload ±0.10% ±0.01% ±0.05% High Temperature Exposure ±0.10% ±0.03% ±0.10% Effects Of Solder ±0.20% ±0.01% ±0.10% Moisture Resistance ±0.20% ±0.03% ±0.10% Life ±0.50% ±0.03% ±0.10% Environmental Test MIL-PRF-55342 Power Derating Curve Ordering Data % Of Rated Power 100 W0603HF - 01 - 50R F Model W0603; W0805; W1206 TCR Code 01 = ±100ppm/°C; 02 = ±50ppm/°C; 03 = ±25ppm/°C 50 Value 50R = 50Ω; 75R = 75Ω 10 25° 70° 150° Temperature in °C Tolerance (use IEC62 code) K = ±10%; J = ±5%; G = ±2%; F = ±1% For additional information or to discuss your specific requirements, please contact our Applications Team using the contact details below. © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: [email protected] • Website: www.welwyn-tt.com PFC HF Series Issue June 2006