d a t a sh eet product specification supersedes data of 27th april 2001 2001 may 28 rev.4 discrete ceramics src01 5% surge chip resistors size 1206 www.phycomp-components.com
2001 may 28 rev.4 2 www.phycomp-components.com phycomp product specification surge chip resistors size 1206 src01 5% features ? reduced size of final equipment ? low assembly costs ? higher component and equipment reliability ? excellent performance at high frequency. applications ? power supply in small sized equipment ? telecommunication ? medical and military ? automotive industry. 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. for ease of soldering the outer layer of these end terminations is a lead/tin alloy. quick reference data ordering information table 1 ordering code indicating resistor type and packing description value resistance range 1 ? to 100 k ? resistance tolerance 5% e24 series temperature coefficient ? 200 10 ? 6 /k absolute maximum dissipation at t amb =70 c 0.25 w maximum permissible voltage 200 v (dc or rms) climatic category (iec 60 068) 55/155/56 basic specification iec 60115-8 type resistance range tol. (%) ordering code 2350 550 ..... paper tape on reel 5000 units src01 1 ? to 100 k ? 5 10 ... ordering code (12nc) ? the resistors have a 12-digit ordering code starting with 2350 550. ? the subsequent 2 digits indicate the resistor type and packing; see table 1. ? the remaining 3 digits indicate the resistance value: ? the first 2 digits indicate the resistance value. ? the last digit indicates the resistance decade in accordance with table 2. table 2 last digit of 12 nc o rdering example the ordering code of a src01 resistor, value 750 ? with a tolerance of 5%, supplied on paper tape of 5000 units per reel is: 2350 550 10751. resistance last digit 1to9.76 ? 8 10 to 97.6 ? 9 100 to 976 ? 1 1to9.76k ? 2 10 to 97.6 k ? 3 100 k ? 4
2001 may 28 rev.4 3 www.phycomp-components.com phycomp product specification surge chip resistors size 1206 src01 5% functional description product characterization standard values of nominal resistance are taken from the e24 series for resistors with a tolerance of 5%. the values of the e24 series are in accordance with ?iec publication 60063? . limiting values note 1. this is the maximum voltage that may be continuously applied to the resistor element, see ?iec publication 60115-8? . type limiting voltage (1) (v) limiting power (w) src01 200 0.25 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 ). p ulse loading capabilities fig.2 pulse on a regular basis; maximum permissible peak pulse power as a function of pulse duration for r = 1 ? , single pulse. p ? max () handbook, full pagewidth 1.0 0 0.2 0.4 0.6 0.8 10 2 0 10 ccb547 1 src01 rc01 p max (w) t (s)
2001 may 28 rev.4 4 www.phycomp-components.com phycomp product specification surge chip resistors size 1206 src01 5% mechanical data mass per 100 units marking all resistors are marked with a 3-digit code on the protective coat to designate the nominal resistance value. 3- digit marking for values up to 1 k ? the r is used as a decimal point. for values of 1 k ? or greater the first 2 digits apply to the resistance value and the third indicates the number of zeros to follow. example p ackage marking the packing is also marked and includes resistance value, tolerance, catalogue number, quantity, production period, batch number and source code. type mass (g) src01 1.0 marking resistance 10r 10 ? 102 1 k ? 104 100 k ? outlines table 3 chip resistor type and relevant physical dimensions; see fig.3 type l (mm) w (mm) t (mm) t t (mm) t b (mm) src01 3.20 +0.10/ ? 0.20 1.60 0.15 0.55 0.10 0.45 0.25 0.50 0.25 fig.3 outlines. for dimensions see table 3. t b t t t inner electrode end termination protective coat ccb545 101 marking w l protective coat resistor layer ceramic substrate
2001 may 28 rev.4 5 www.phycomp-components.com phycomp product specification surge chip resistors size 1206 src01 5% 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 according to ? 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. 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 visible damage 4.5 resistance applied voltage (+0/ ? 10%): 0.1 v r ? r nom :max. 5% 4.18 20 (tb) resistance to soldering heat unmounted chips; 10 1 s; 260 5 c no visible damage ? r/r max.: (1% +0.05 ? ) 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 ( 95% covered); no damage 4.17 20 (ta) solderability (after ageing) 8 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 ( 95% covered); no damage 4.7 voltage proof on insulation 200 v (rms) during 1 minute no breakdown or flashover 4.13 short time overload room temperature; dissipation 6.25 p n ; 5 s (voltage not more than 2 v max ) ? r/r max.: (2% +0.1 ? ) 4.33 (jis) c 5200 bending resistors mounted on a 90 mm glass epoxy resin printed-circuit board; bending: 5 mm no visible damage ? r/r max.: (0.5% +0.05 ? ) 4.19 14 (na) rapid change of temperature 30 minutes at lct and 30 minutes at uct; 5 cycles no visible damage ? r/r max.: (1.5% +0.05 ? ) 4.6.1.1 insulation resistance 100 v (dc) after 1 minute r ins min.: 1000 m ? 4.24.2 3 (ca) damp heat (steady state) 56 days; 40 2 c; 93 +2/ ? 3% rh; loaded with 0.01 p n r ins min.: 1000 m ? ? r/r max.: (1.5% +0.05 ? )
2001 may 28 rev.4 6 www.phycomp-components.com phycomp product specification surge chip resistors size 1206 src01 5% 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 ? r/r max.: (1% +0.05 ? ) 4.23.2 27 (ba) endurance at upper category temperature 1000 +48/ ? 0 hours; 155 c; no load no visible damage ? r/r max.: (1% +0.05 ? ) 4.8.4.2 temperature coefficient at 20/lct/20 c and 20/uct/20 c ? 200 10 ? 6 /k other applicable tests leaching unmounted chips 60 1 s; 260 5 c good tinning; no leaching (jis) c 5202 7.5 resistance to damp heat (steady state) 1000 +48/ ? 0 hours; 40 2 c; 93 +2/ ? 3% rh; loaded with p n or v max ; 1.5 hours on and 0.5 hours off ? r/r max.: 3% iec 60115-8 clause iec 60068-2 test method test procedure requirements
2001 may 28 rev.4 7 www.phycomp-components.com phycomp product specification surge chip resistors size 1206 src01 5% revision history revision date change notification description rev.3 2001 apr 27 ? - converted to phycomp brand rev.4 2001 may 28 - 2% range discontinued
|
