irc advanced film division general note irc reserves the right to make changes in product speci?cation without notice or liability. all information is subject to ircs own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? corpus christi texas 78411 usa ? irc advanced film division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? email: afdsales@irctt.com ? website: www.irctt.com series issue october 2006 high frequency surface mount attenuators pat series ? frequency operation to 10 ghz ? industry standard 0805, 1206, 1612 chip sizes ? low parasitic capacitance and inductance ? thin ?lm stability over time and temperature electrical data pat1220 pat1632 pat3042sc pat3042sd impedance 50 ? 50 ? 50 ? 75 ? frequency range dc to 10 ghz dc to 3ghz dc to 3ghz dc to 2ghz vswr 1.3 1.3 1.2 1.3 attenuation 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10db 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16db 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 20db attenuation tolerance 0.3db 0 to 10db: 0.3db 16db: 0.5db 0 to 10db: 0.3db 16, 20db: 0.5db tcr 50ppm/c 50ppm/c 25ppm/c power rating 100mw 125mw 250mw operating temperature range -55c to +125c the pat chip attenuator series are available in a wide range of power ratings from 100mw to 250mw. the surface mount package is ideal for applications where parasitic capacitance and inductance are concerns. typical applications include wireless communication receivers and transmitters. test condition tolerance attenuation $ impedance short time overload 2.5 x rated voltage, 5 sec 0.02db 0.2% load life 1000 hours, 70c 0.04db 0.5% moisture resistance 1000 hours, 60c, 95% 0.04db 0.5% temperature cycle 5 cycles, 125c high, -55 low 0.02db 0.2% resistance to solder heat 260c, 10 sec. 0.02db 0.2% terminal strength fulcrum dist: 90mm, bending width: 3mm substrate: glass epoxy t=1.6mm 0.02db 0.2% solderability 235c, 3 sec. >95% coverage insulation resistance 500v, 1 minute >1000m ? environmental data pat sheet 1 of 3 37
irc advanced film division ? irc advanced film division ? corpus christi texas 78411 usa telephone: 361 992 7900 ? facsimile: 361 992 3377 ? email: afdsales@irctt.com ? website: www.irctt.com series issue october 2006 pat high frequency surface mount attenuators physical data 3 4 1: electrode (surface soldering and lead-free possible) 2: covering resin 3: alumina substrate 4: thin ?lm resistor 5: mark (shows impedance, attenuations and date) a dimensions (mm) l 2.00 0.10 w 1.25 0.10 t 0.40 0.10 a 0.50 0.20 b 0.60 0.20 w1 0.40 0.20 w2 0.40 0.20 w3 0.35 0.20 b1 0.70 0.10 b2 0.50 0.10 b3 0.70 0.10 a1 0.80 0.10 a2 2.30 0.10 t pat1220 pat1632 dimensions (mm) l 3.20 0.20 w 1.60 0.20 t 0.40 0.10 a 1.00 0.25 b 1.00 0.20 w1 0.55 0.25 w2 0.40 0.25 w3 0.40 0.20 b1 1.00 0.20 b2 0.65 0.20 b3 0.80 0.10 a1 1.20 0.20 a2 3.40 0.20 pat3042s dimensions (mm) c (50 7 ) d (75 7 ) l 4.20 0.20 w 3.00 0.20 t 0.80 0.15 a 0.80 0.20 b 0.50 0.20 0.30 0.20 lb 3.10 0.20 3.50 0.20 wa 1.05 0.20 1.55 0.20 wb 0.95 0.20 1.55 0.20 w1 0.95 0.20 0.55 0.20 w2 0.80 0.20 0.60 0.20 w3 0.95 0.20 0.55 0.20 w4 0.90 0.20 0.60 0.20 wb 0.95 0.20 1.55 0.20 a 1 b b a1 a1 a2 b1 l 2 5 1 0 k t c01 h h a1 a1 b1 lb 3 4 c (50 7 ) d (75 7 ) b1 2.90 0.20 3.30 0.20 b2 0.90 0.20 1.10 0.20 b3 1.10 0.20 1.00 0.20 a1 1.20 0.20 1.00 0.20 a2 5.30 0.20 5.30 0.20 c07 k 1: electrode (surface soldering and lead-free possible) 2: covering resin 3: alumina substrate 4: thin ?lm resistor 5: mark (shows impedance, attenuations and date) 1: electrode (surface soldering and lead-free possible) 2: covering resin 3: alumina substrate 4: thin ?lm resistor 5: mark (shows impedance, attenuations and date) a1 a1 a2 b1 3 4 t a a l 2 5 b b l b 2 5 b a2 w1 w2 w3 w3 w1 w2 w3 w3 w1 w2 w3 w4 w a a b2 b3 b3 w b2 b3 b3 w b2 b3 b3 wa wb 38 sheet 2 of 3
irc advanced film division ? irc advanced film division ? corpus christi texas 78411 usa telephone: 361 992 7900 ? facsimile: 361 992 3377 ? email: afdsales@irctt.com ? website: www.irctt.com series issue october 2006 pat high frequency surface mount attenuators % of rated power 25 70 125 0 60 100 power derating curve 1 schematic diagram data 2 3 3 3 1 2 3 3 39 ordering data pre?x hfr - pat1220 - c - 3db - t(5) model pat1220; pat1632; pat3042sd (75 7 pat3042sc(50 7 attenuation 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 20db impedence c = 50 7 ; d = 75 7 package t=tape, b=bulk, taping quantity unit:5 (5000), 1 (1000) ambient temperature (c) sheet 3 of 3
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