welwyn components general note welwyn components reserves the right to make changes in product specification without notice or liability. all information is subject to welwyns own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? welwyn components limited bedlington, northumberland ne22 7aa, uk telephone: +44 (0) 1670 822181 ? facsimile: +44 (0) 1670 829465 ? email: info@welwyn-tt.com ? website: www.welwyn-tt.com pfc hf series issue june 2006 wraparound termination with non-leaching nickel barrier ultra stable tantalum nitride resistor flm system 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 high frequency chip resistor terminators ? 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 electrical data physical data (mm) maximum continuous power rating ohmic value available tolerances temperature range noise termination substrate w0603hf 100mw 50.0 w k j g f -55 c to 150 c <-25db tin plate 99.5% alumina w0805hf 250mw top side bottom pfc hf series l w a b h epoxy overcoat ultra stable tantalum nitride resistor film system wrap around terminators tin plated/nickel barrier
pfc hf series issue june 2006 welwyn components ? welwyn components limited bedlington, northumberland ne22 7aa, uk telephone: +44 (0) 1670 822181 ? facsimile: +44 (0) 1670 829465 ? email: info@welwyn-tt.com ? website: www.welwyn-tt.com high frequency chip resistor terminators frequency attenuation (db) return loss data (s11, s22) w0603hf frequency performance w0805hf frequency performance attenuation (db) frequency
welwyn components ? welwyn components limited bedlington, northumberland ne22 7aa, uk telephone: +44 (0) 1670 822181 ? facsimile: +44 (0) 1670 829465 ? email: info@welwyn-tt.com ? website: www.welwyn-tt.com pfc hf series issue june 2006 high frequency chip resistor terminators environmental performance w0603hf - 01 - 50r f model w0603; w0805; w1206 tcr code 01 = 100ppm/c; 02 = 50ppm/c; 03 = 25ppm/c value 50r = 50 w ; 75r = 75 w tolerance (use iec62 code) k = 10 % ; j = 5 %; g = 2 % ; f = 1 % ordering data power derating curve 25 70 150 100 50 10 % of rated po wer t emperature in c environmental test mil-prf-55342 maximum ? r per characteristic e performance 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% for additional information or to discuss your specific requirements, please contact our applications team using the contact details below.
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