standard metal film resistors www.vishay.com for technical questions, contact: filmresistors.leaded@vishay.com document number: 28722 34 revision: 20-feb-08 sfr16s/25/25h vishay bccomponents a homogeneous film of metal alloy is deposited on a high grade ceramic body. after a helical groove has been cut in the resistive layer, tinned co nnecting leads of electrolytic copper are welded to the end-caps. the resistors are coated with a colored lacquer (light-blue for type sfr16s; light-green for type sfr25 and red-brown for type sfr25h) which provides electrical, mechanical and climatic protection. the encapsulation is resistant to all cleaning solvents, in accordance with ?mil-std-202e, method 215? , and ?iec 60068-2045? . features ? low cost ? low noise (max. 1.5 v/v for r > 1 m ) ? small size (sfr16s-0204, sfr25/25h-0207) ? lead (pb)-free solder contacts ? pure tin plating provides compatibility with lead (pb)-free and lead containing soldering processes ? compatible with ?restriction of the use of hazardous substances? (rohs) directive 2002/95/ec (issue 2004) applications ? general purpose resistors note: ? r value is measured with probe distanc e of 24 1 mm using 4-terminal method technical specifications description value sfr16s sfr25 sfr25h resistance range 5 %; 1 to 3 m 5 %; 0.22 to 10 m 1 %; 4.99 to3m 1 %; 1 to 10 m jumper (0 ) jumper (0 ) resistance tolerance 1 %, e24/e96 series; 5 %, e24 series temperature coefficient: r < 4.7 250 x 10 -6 /k 100 x 10 -6 /k 100 x 10 -6 /k 4.7 ? r 100 k 100 x 10 -6 /k 100 x 10 -6 /k 100 x 10 -6 /k 100 k < r 1m 250 x 10 -6 /k 100 x 10 -6 /k 100 x 10 -6 /k r > 1m 250 x 10 -6 /k 250 x 10 -6 /k 250 x 10 -6 /k absolute maximum dissipation at t amb = 70 c 0.5 w 0.4 w 0.5 w thermal resistance, r th 170 k/w 200 k/w 150 k/w maximum permissible voltage 200 v 250 v 350 v noise: r < 68 k max. 0.1 v/v max. 0.1 v/v max. 0.1 v/v 68 k ? r 100 k max. 0.5 v/v max. 0.1 v/v max. 0.1 v/v 100 k ? r 1m max. 1.5 v/v max. 0.1 v/v max. 0.1 v/v r > 1m max. 1.5 v/v max. 1.5 v/v max. 1.5 v/v basic specifications iec 60115-1 and 60115-2 climatic category (iec 60068) 55/155/56 stability, r max., after: load: r range (2 % r + 0.05 ) (2 % r + 0.05 ) (2 % r + 0.05 ) climatic tests: r 1m (1 % r + 0.05 ) (1 % r + 0.05 ) (1 % r + 0.05 ) r > 1m (1 % r + 0.05 ) (1 % r + 0.05 ) (2 % r + 0.1 ) soldering (0.25 % r + 0.05 ) (0.25 % r + 0.05 ) (0.25 % r + 0.05 ) short time overload (0.25 % r + 0.05 ) (0.25 % r + 0.05 ) (1 % r + 0.05 )
document number: 28722 for technical question s, contact: filmresistors.leaded@vishay.com www.vishay.com revision: 20-feb-08 35 sfr16s/25/25h standard metal f ilm resistors vishay bccomponents 12nc information ? the resistors have a 12-digit numeric code starting with 23. ? the subsequent 6 digits for 1 % or 7 digits for 5 % indicate the resistor type and packaging. ? the remaining digits indicate the resistance value: ? the first 3 digits for 1 % or 2 digits for 5 % indicate the resistance value. ? the last digit indicates the resistance decade. last digit of 12nc for 5 % tolerance last digit of 12nc for 1 % tolerance 12nc example the 12nc of a sfr25 resistor, value 5600 5 %, taped on a bandolier of 5000 units in ammopack is: 2322 181 43562. notes: (1) the jumper has a maximum resistance r max. = 30 m at 3 a (sfr16s). (2) the jumper has a maximum resistance r max. = 10 m at 5 a (sfr25). notes: (3) please refer to table packaging. ? the part number is shown to facili tate the introduction of a unified par t numbering system for ordering products. resistance decade last digit 0.10 to 0.91 7 1to9.1 8 10 to 91 9 100 to 910 1 1to9.1k 2 10 to 91 k 3 100 to 910 k 4 1to9.1m 5 10 m 6 resistance decade last digit 1to9.76 8 10 to 97.6 9 100 to 976 1 1to9.76k 2 10 to 97.6 k 3 100 to 976 k 4 1to9.76m 5 10 m 6 12nc - resistor type and packaging type tol. ordering code 23.. ... ..... bandolier in ammopack bandolier on reel radial taped straight leads straight leads 4000 units 1000 units 5000 units 5000 units sfr16s 5 % ? ..22 187 73... ..22 187 53... ..06 187 23... 1 % ?? ..06 187 3... ..06 187 1.... jumper (1) ?? ..06 187 90013 ..22 187 90346 sfr25 5 % ..06 184 03... ..22 181 53... ..22 181 43... ..22 181 63... 1 % ?? ..22 188 2... ..06 181 8.... jumper (2) ? ..22 181 90018 ..22 181 90019 ..06 181 90011 sfr25h 5 % ? ..22 186 16... ..22 186 76... ..06 186 63... 1 % ?? ..22 186 3.... ..06 186 8.... part number and product description part number: sfr2500001001fa500 model/size special character tcr/material value tolerance pac k ag i n g (3) special sfr16s0 sfr2500 sfr25h0 0 = neutral z = value overflow (special) 0 = standard z = jumper 3 digit value 1 digit multiplier multiplier f = 1 % j = 5 % z = jumper n4 a5 a1 r5 the 2 digits are used for all special parts. 00 = standard 7 = *10 -3 8 = *10 -2 9 = *10 -1 0 = *10 0 1 = *10 1 2 = *10 2 3 = *10 3 4 = *10 4 5 = *10 5 z = 0000 product description: sfr25 1 % a5 1k0 sfr25 1 % a5 1k0 model/size tolerance packaging (3) resistance value sfr16s sfr25 sfr25h 1 % 5 % n4 a5 a1 r5 47k = 47 k 51r1 = 51.1 25 r f s 00001001fa500
www.vishay.com for technical questions, contact: filmresistors.leaded@vishay.com document number: 28722 36 revision: 20-feb-08 sfr16s/25/25h vishay bccomponents standard metal film resistors dimensions outlines the length of the body (l 1 ) is measured by inserting the leads into holes of two identical gauge plates and moving these plates parallel to each other until the resistor body is clamped without deformation (?iec publication 60294?). marking the nominal resistance and tolerance are marked on the resistor using four or five coloured bands in accordance with iec publication 60062 ?color codes for fixed resistors?. functional performance product characterization standard values of nominal resistance are taken from the e96/ e24 series for resistors with a tolerance of 1 % or 5 %. the values of the e96/e24 series are in accordance with ?iec publication 60063?. note: (1) the maximum voltage that may be continuously applied to the resistor element, see ?iec publication 60115-1?. the maximum permissible hot-spot temperature is 155 c. packaging code pieces description model/size n4 4000 bandolier in ammopack radial taped sfr25 a5 5000 bandolier in ammopack straight leads sfr16s, sfr25, sfr25h a1 1000 bandolier in ammopack straight leads sfr16s, sfr25, sfr25h r5 5000 bandolier on reel straight leads sfr16s, sfr25, sfr25h ? d l 1 ? d outline l 2 dimensions - resistor types and relevant ph ysical dimensions in millimeters type ? d max. l 1 max. l 2 max. ? d sfr16s 1.9 3.5 4.1 0.45 0.05 sfr25 2.5 6.5 7.5 0.58 0.05 sfr25h 2.5 6.5 7.5 0.58 0.05 mass per 100 units type mass (g) sfr16s 10.2 sfr25 20.5 sfr25h 20.5 limiting values type limiting voltage (1) (v) limiting power (w) sfr16s 200 0.5 sfr25 250 0.4 sfr25h 350 0.5
document number: 28722 for technical question s, contact: filmresistors.leaded@vishay.com www.vishay.com revision: 20-feb-08 37 sfr16s/25/25h standard metal f ilm resistors vishay bccomponents - 55 70 0 t a m b (c) 50 max. ( % rated ) 0 50 100 100 155 > 1 m p p r maximum dissipation ( p max. ) in percentage of rated power as a function of the ambient temperature ( t amb ). the power that the resistor can dissi pate depends on the operating temperature derating 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 10 3 1 10 10 2 max. (w) i (s) 10 - 6 10 - 1 200 100 50 20 10 5 2 / = 1000 i t p t p t 500 sfr16s pulse on a regular basis; maximu m permissible peak pulse power ( max. ) as a function of pulse duration ( t i ) p 600 0 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 500 400 300 200 100 max. (v) i (s) v t sfr16s pulse on a regular basis; maximu m permissible peak pulse voltage ( max. ) as a function of pulse duration ( t i ) v
www.vishay.com for technical questions, contact: filmresistors.leaded@vishay.com document number: 28722 38 revision: 20-feb-08 sfr16s/25/25h vishay bccomponents standard metal film resistors pulse loading capabilities 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 10 3 1 10 10 2 max. (w) 10 - 6 10 - 1 2 5 10 20 50 100 200 500 / = 1000 i (s) t p i t p t sfr25 pulse on a regular basis; maximu m permissible peak pulse power ( max. ) as a function of pulse duration ( t i ) p 600 0 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 500 400 300 200 100 max. (v) v i (s) t sfr25 pulse on a regular basis; maximum permissible peak pulse voltage ( max. ) as a function of pulse duration ( t i ) v 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 10 3 1 10 10 2 10 - 6 10 - 1 2 5 10 20 50 100 200 500 i (s) t max. (w) / = 1000 p i t p t sfr25h pulse on a regular basis; maxi mum permissible peak pulse power ( max. ) as a function of pulse duration ( t i ) p
document number: 28722 for technical question s, contact: filmresistors.leaded@vishay.com www.vishay.com revision: 20-feb-08 39 sfr16s/25/25h standard metal f ilm resistors vishay bccomponents h 1200 0 10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 8 00 400 max. (v) v i (s) t sfr25h pulse on a regular basis; maximum permissible peak pulse voltage ( max. ) as a function of pulse duration ( t i ) v pulse loading capabilities 0 0.2 0.4 0. 8 100 0 50 0.6 (w ) (k) ? p t sfr16s hot-spot temperature rise ( t ) as a function of dissipated power 00.5 100 0 20 40 60 8 0 0.1 0.2 0.3 0.4 (w) ? (k) sfr25 sfr25h p t sfr25/sfr25h hot-spot temperature rise ( t ) as a function of dissipated power application information
www.vishay.com for technical questions, contact: filmresistors.leaded@vishay.com document number: 28722 40 revision: 20-feb-08 sfr16s/25/25h vishay bccomponents standard metal film resistors tests and requirements essentially all tests are carried out in accordance with the schedule of ?iec publication 60115-1?, category 55/155/56 (rated temperature range - 55 c 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 60068-2, ?recommended basic climatic and mechanical robustness testing procedure for electronic components? and under standard atmospheric conditions according to ?iec 60068-1? , subclause 5.3. in the test procedures and requirements table the tests and requirements are listed with reference to the relevant clauses of ?iec publications 60115-1 and 60068-2?; a short description of the test proce dure is also given. in some instances deviations from the iec recommendations were necessary for our me thod of specifying. test procedures and requirements iec 60115-1 clause iec 60068-2 test method test procedure resistance range requirements sfr16s sfr25 sfr25h 4.16 21 (u) robustness of terminations: 4.16.2 21 (ua1) tensile all samples ? 0.45 mm, load 5 n; 10 s number of failures < 10 x 10 -6 ? 0.58 mm, load 10 n; 10 s 4.16.3 21 (ub) bending half number of samples ? 0.45 mm, load 2.5 n; 4 x 90 number of failures < 10 x 10 -6 ? 0.58 mm, load 5 n; 4 x 90 4.16.4 21 (uc) torsion other half of samples 3 x 360 in opposite directions no damage r max.: (0.25 % r + 0.05 ) 4.17 20 (ta) solderability 2 s; 235 c; flux 600 good tinning; no damage 4.18 20 (tb) resistance to soldering heat 3.5 seconds; 350 c; solder bath method r max.: ( 0.25 % r + 0.05 ) 4.19 14 (na) rapid change of temperature 30 min at - 55 c and 30 min at + 155 c; 5 cycles r max.: ( 0.25 % r + 0.05 ) 4.20 29 (eb) bump 3 x 1500 bumps in 3 directions; 40 g no damage r max.: (0.25 % r + 0.05 ) 4.22 6 (fc) vibration frequency 10 hz to 500 hz; displacement 1.5 mm or acceleration 10 g; 3 directions; total 6 h (3 x 2 h) no damage r max.: (0.25 % r + 0.05 ) 4.23 climatic sequence : r ins min.: 1000 m 4.23.2 2 (ba) dry heat 16 h; 155 c 4.23.3 30 (db) damp heat (accelerated) 1st cycle 24 h; 55 c; 90 % to 100 % rh 4.23.4 1 (aa) cold 2 h; - 55 c 4.23.5 13 (m) low air pressure 2 h; 8.5 kpa; 15 c to 35 c 4.23.6 30 (db) damp heat (accelerated) remaining cycles 5days; 55 c; 95 % to 100 % rh r 1m ? r max.: ( 1 % r + 0.05 ) r > 1m ? r max.: ( 1 % r + 0.05 ) r max. ( 2 % r +0.1 4.24.2 3 (ca) damp heat (steady state) 56 days; 40 c; 90 % to 95 % rh; dissipation 0.01 pn r ins min.: 1000 m r max.: (2 % r + 0.05 )
document number: 28722 for technical question s, contact: filmresistors.leaded@vishay.com www.vishay.com revision: 20-feb-08 41 sfr16s/25/25h standard metal f ilm resistors vishay bccomponents 4.25.1 endurance 1000 h at 70 c; pn or v max. r max.: (2 % r + 0.05 ) 4.8.4 temperature coefficient between - 55 c and + 155 c (tcr x 10 -6 /k) r < 4.7 ? 250 100 100 r 100 k ? 100 100 100 r 1m ? 250 100 100 r > 1m ? 250 250 250 4.7 voltage proof on insulation u rms = 400 v ( sfr16s ) or u rms = 600 v ( sfr25 and sfr25h ); during 1 min; v-block method no breakdown 4.12 noise ?iec publication 60195? r < 68 k max. 0.1 v/v max. 0.1 v/v max. 0.1 v/v r 100 k max. 0.5 v/v max. 0.1 v/v max. 0.1 v/v r 1m max. 1.5 v/v max. 0.1 v/v max. 0.1 v/v r > 1m max. 1.5 v/v max. 1.5 v/v max. 1.5 v/v 4.6.1.1 insulation resistance u max. dc = 500 v during 1 min; v-block method r ins min.: 1000 m 4.13 short time overload room temperature; p = 6.25 x pn ( sfr25 ) or 6.25 x 0.25 w ( sfr16s ); 5son, 45 s off (v 2x v max. ); 10 cycles r max.: ( 0.25 % r + 0.05 ) r max.: (1 % r +0.05 ) intermittent overload in accordance with ?jis-c5202 5.8? 16 x 0.16 w; 1 s on and 25 s off; 10 000 200 cycles; v max. = 600 v r max.: ( 0.75 % r + 0.05 ) -- see 2 nd amendment to ?iec 60115-1?, jan. ?87 pulse load see pulse loading capabilities graphs test procedures and requirements iec 60115-1 clause iec 60068-2 test method test procedure resistance range requirements sfr16s sfr25 sfr25h
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