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d a t a sh eet product speci?cation supersedes data of 22nd july 1999 file under advanced ceramics and modules, acm2 1999 dec 02 advanced ceramics and modules prc201 5%; 2%; 1% power chip resistor size 1218
1999 dec 02 2 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% features reduced size of final equipment low assembly costs higher component and equipment reliability excellent performance at high frequency. applications power supplies in small sized equipment camcorders portable radio, cd and cassette players automotive. description the resistors are constructed on a high grade ceramic body (aluminium oxide). internal metal electrodes are added at each end and connected by a resistive paste which is applied to the top surface of the substrate. the composition of the paste is adjusted to give the approximate resistance required and the value is trimmed to within tolerance, by laser cutting of this resistive layer. the resistive layer is covered with a protective coating and printed with the resistance value. finally, the two external end terminations are added. to guarantee optimum solderability the outer layer consists of a lead-tin alloy. quick reference data description value resistance range 1 w to 1 m w resistance tolerance and series: 1 w r 1m w 5%, 2%, 1%; e24/e96 series temperature coef?cient: 1 w r<10 w 200 10 - 6 /k 10 w r 1m w 100 10 - 6 /k absolute maximum dissipation at t amb =70 c1w maximum permissible voltage 200 v (dc or rms) maximum permissible current 6 a (dc or rms) operating temperature range - 55 c to +155 c basic speci?cation iec 60115-8
1999 dec 02 3 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% ordering information table 1 ordering code indicating resistor type and packaging note 1. the jumper has a maximum resistance r max =20m w and a rated current i r =6a. type tol. (%) ordering code 2322 735 ..... blister tape on reel 5000 units prc201 5 60... 2 80... 1 2.... jumper 0 w prc201; note 1 - 90006 ordering code (12nc) the resistors have a 12-digit ordering code starting with 2322 the subsequent four or five digits indicate the resistor type and packaging; see table 1. the remaining digits indicate the resistance value: C the first 2 digits for 5% and 2% or 3 digits for 1% tolerance products indicate the resistance value. C the last digit indicates the resistance decade in accordance with table 2. table 2 last digit of 12nc resistance decade last digit 1 to 9.1 w 8 10 to 91 w 9 100 to 910 w 1 1 to 9.1 k w 2 10 to 91 k w 3 100 to 910 k w 4 1m w 5 o rdering example the ordering code of a prc201 resistor, value 470 w with 5% tolerance, supplied on blister tape of 5 000 units per reel is: 2322 735 60471.
1999 dec 02 4 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% functional description product characterization standard values of nominal resistance are taken from the e24 or e96 series for resistors with a tolerance of 5%, 2% or 1%. the values of the e24/e96 series are in accordance with iec publication 60063 . limiting values note 1. the maximum voltage that may be continuously applied to the resistor element, see iec publication 60115-8 . type limiting voltage (1) (v) limiting current (a) limiting power (w) prc201 200 6 1 d erating the power that the resistor can dissipate depends on the operating temperature; see fig.1. handbook, 4 columns 70 100 50 0 0 50 100 155 ccb412 - 55 t amb ( c) p max (%p rated ) fig.1 maximum dissipation (p max ) in percentage of rated power as a function of the ambient temperature (t amb ).
1999 dec 02 5 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% p ulse loading capabilities fig.2 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration for r 10 k w , single pulse and repetitive pulse t p /t i . p ? max () handbook, full pagewidth 10 1 1 mlb883 10 3 1 10 10 2 10 2 10 3 10 4 10 5 10 6 10 1 p max (w) single pulse t /t =1000 pi 100 2 a b t (s) i single pulse a: r n 300 w. single pulse b: r n > 300 w . fig.3 pulse on a regular basis; maximum permissible peak pulse voltage as a function of pulse duration. v ? max () handbook, full pagewidth 600 200 0 400 800 mlb884 10 1 1 10 2 10 3 10 4 10 5 10 6 v max (v) t (s) i
1999 dec 02 6 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% these pulses may not be applied on a regular basis. fig.4 maximum permissible peak pulse voltage without failing to open circuit in accordance with din iec 60040 (co) 533. handbook, full pagewidth 10 10 2 10 3 10 4 10 5 10 6 10 7 mbd582 10 4 10 10 2 10 3 v r ( w ) n 1.2/50 m s 10/700 m s max (v)
1999 dec 02 7 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% application information fig.5 temperature rise at hot-spot and solder joint as a function of dissipated power, for a resistor mounted horizontally on ceramic pcb. handbook, halfpage mra630 0 0.2 0.4 0.6 0.8 1 0 50 100 150 200 p (w) ( c) o hot-spot solder joint d t fig.6 temperature rise at hot-spot and solder joint as a function of dissipated power, for a resistor mounted horizontally on a fr4 pcb. handbook, halfpage mra631 0 0.2 0.4 0.6 0.8 1 0 50 100 150 200 p (w) hot-spot solder joint ( c) o d t fig.7 temperature rise at hot-spot and solder joint as a function of dissipated power, for a resistor horizontally mounted on the test substrate; see fig.8. handbook, halfpage 0 0.2 1.0 100 75 25 0 50 mbd097 0.4 0.6 0.8 p (w) d t ( c) o hot-spot solder joint bottom side
1999 dec 02 8 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% fig.8 test substrate layout. the tracks on the substrate for values below 33 m w are wider. with this substrate, the resistance of the tracks becomes significant compared to the resistor tested. due to the current loading required for resistor testing these tracks may be damaged. handbook, full pagewidth mbd096 1.0 85 20 20 25 2.0 1.9 5.0 fr4, 1.6 mm electroplated (snpb) cu 35 m dimensions in mm.
1999 dec 02 9 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% mechanical data mass per 100 units marking each resistor is marked with the nominal resistance value. 4- digit marking for values up to 910 w the r is used as a decimal point. for values of 1 k w or greater the letter k or m is used as the decimal point for the k w or m w indication. magnitude indicators example p ackage marking the packaging is also marked and includes resistance value, tolerance, catalogue number, quantity, production period, batch number and source code. type mass (g) prc201 3 resistance indicator 1 to 910 w r 1 to 910 k w k 1m w m marking resistance 120r 120 w 4k70 4.70 k w outlines table 3 chip resistor type and relevant physical dimensions; see fig.9 type l (mm) w (mm) t (mm) t t (mm) t b (mm) prc201 3.05 0.15 4.60 0.20 0.55 0.10 0.45 0.25 0.50 0.25 fig.9 outlines. for dimensions see table 3. handbook, halfpage mra629 - 1 protective coat resistor layer inner electrode end termination ceramic substrate protective coat 220r t w l t b t t
1999 dec 02 10 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% tests and requirements essentially all tests are carried out in accordance with the schedule of iec publication 60115-8 , category 55/155/56 (rated temperature range - 55 to +155 c; damp heat, long term, 56 days). the testing also covers the requirements specified by eia and eiaj. the tests are carried out in accordance with iec publication 60068, recommended basic climatic and mechanical robustness testing procedure for electronic components and under standard atmospheric conditions in accordance with iec 60068-1 , subclause 5.3. unless otherwise specified the following values apply: temperature: 15 cto35 c relative humidity: 45% to 75% air pressure: 86 kpa to 106 kpa (860 mbar to 1060 mbar). in table 4 the tests and requirements are listed with reference to the relevant clauses of iec publications 60115-8 and 60068 ; a short description of the test procedure is also given. in some instances deviations from the iec recommendations were necessary for our method of specifying. all soldering tests are performed with mildly activated flux. table 4 test procedures and requirements iec 60115-8 clause iec 60068-2 test method test procedure requirements tests in accordance with the schedule of iec publication 60115-8 4.4.1 visual examination no holes; clean surface; no damage 4.4.2 dimensions (outline) gauge 0.45 mm t 0.65 mm 4.4 mm w 4.8 mm 2.9 mm l 3.2 mm 4.5 resistance applied voltage (+0/ - 10%): r - r nom : max. 5% or 1% r<10 w : 0.1 v 10 w r < 100 w : 0.3 v 100 w r < 1k w : 1 v 1k w r < 10 k w : 3 v 10 k w r < 100 k w : 10 v 100 k w r < 1m w : 25 v 1m w : 50 v 4.18 20 (tb) resistance to soldering heat unmounted chips; 10 1s;260 5 c: 1 w r 1m wd r/r max.: (1% +0.05 w ) 4.29 45 (xa) component solvent resistance isopropyl alcohol; h 2 o no visible damage 4.17 20 (ta) solderability unmounted chips completely immersed for 2 0.5 s in a solder bath at 235 2 c good tinning ( 3 95% covered); no damage 4.7 voltage proof on insulation 200 v (rms) during 1 minute no breakdown or ?ashover 4.13 short time overload room temperature; dissipation 6.25 p n ; 5 s (voltage not more than 2 v max ) d r/r max.: (1% +0.05 w )
1999 dec 02 11 philips components product speci?cation power chip resistor size 1218 prc201 5%; 2%; 1% 4.33 bending resistors mounted on a 90 mm glass epoxy resin pcb (fr4), bending: 2 mm no damage d r/r max.: (1% +0.05 w ) 4.19 14 (na) rapid change of temperature 30 minutes at lct and 30 minutes at uct; 5 cycles no visible damage d r/r max.: (1.0% +0.05 w ) 4.6.1.1 insulation resistance 100 v (dc) after 1 minute r ins min.: 1000 m w 4.24.2 3 (ca) damp heat (steady state) 56 days; 40 2 c; 93 +2/ - 3% rh; loaded with 0.01p n no visible damage d r/r max.: (3% +0.1 w ) 4.25.1 endurance 1000 +48/ - 0 hours; 70 2 c; loaded with p n or v max ; 1.5 hours on and 0.5 hours off: no visible damage 1 w r 1 m wd r/r max.: (3% +0.1 w ) 4.23.2 27 (ba) endurance at upper category temperature 1000 +48/ - 0 hours; no load no visible damage d r/r max.: (3% +0.1 w ) 4.8.4.2s temperature coef?cient at 20/lct/20 c and 20/uct/20 c: 1 w r < 10 wd r/r max.: 200 10 - 6 /k 10 w r d r/r max.: 100 10 - 6 /k other tests in accordance with iec 60115 clauses and iec 60068 test method 4.17 20 (ta) solderability (after ageing) 16 hours steam or 16 hours at 155 c; unmounted chips completely immersed for 2 0.5 s in a solder bath at 235 2 c good tinning ( 3 95% covered); no damage other applicable tests leaching unmounted chips 60 1 s; 260 5 c good tinning; no leaching iec 60115-8 clause iec 60068-2 test method test procedure requirements

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