www.vishay.com 36 pma0207 vishay draloric document number 20114 revision 05-aug-02 for technical questions, contact ff1aresistors@vishay.com metal film resistors, precision, high stability features special stabilized metal alloy on high quality ceramic very low tc and tight tolerances excellent long term stability suitable for precision measuring techniques and precision control engineering * for lower stability requirements coating: green for tc 10ppm/ c: temperature range - 25 c...+ 85 c marking: see appropriate catalog or web page further values on request model power rating limiting element temperature tolerance resistance range e-series p 70 c voltage max. coefficient wv ppm/k % ? pma0207 0.125 0.05 on request 192 (0.25)* 250 5 0.1 100r - 100k 192 (0.4)* 0.25 100r - 100k 192 0.5 100r - 100k 192 pma0207 0.125 0.05 on request 192 (0.25)* 250 10 0.1 100r - 100k 192 (0.4)* 0.25 100r - 100k 192 0.5 100r - 100k 192 pma0207 0.125 0.05 on request 192 (0.25)* 250 15 0.1 47r - 511k 192 (0.4)* 0.25 47r - 511k 192 0.5 47r - 511k 192 pma0207 0.125 0.05 on request 192 (0.25)* 250 25 0.1 47r - 511k 192 0.25 47r - 511k 192 0.5 47r - 511k 192 standard electrical specifications pma0207 5 1k87 .25% a1 model tc resistance tolerance packaging ppm/k value ? % a1-ammopack 1000 pcs ordering information
www.vishay.com 37 pma0207 vishay draloric document number 20114 revision 05-aug-02 for technical questions, contact ff1aresistors@vishay.com dimensions metal film resistors, precision, high stability model dimensions [in millimeters] d max ll 1 max bde pma0207 2.5 -0.3 6.3 -0.5 7.5 53 1 0.6 7.50 ?taping in acc. with iec60286-1 ?d and l measured in acc. with iec60294 ?d according to iec60301 parameter unit pma0207 pma0207 pma0207 rated dissipation at 70 c w 0.125 0.25 0.4 limiting element voltage 1) v 250 250 250 insulation voltage (1min) v eff > 500 > 500 > 500 thermal resistance k/w 140 140 140 insulation resistance ? 10 11 category temperature range c - 25/+ 85 - 55/+ 105 - 55/+ 125 terminal strength, axial n > 50 > 50 > 50 failure rate 10 -9 /h < 1 weight g 0.22 0.22 0.22 technical specifications model t.c. reel box min. order qty ppm / c pieces / reel code pieces / box code packaging units pma0207 5 - 25 5000 r5 5000 a5 1 2000 a2 1 1000 a1 1 500 ac 1 packaging 1) rated voltage p x r l 1 l d d b e 6 mm
www.vishay.com 38 pma0207 vishay draloric document number 20114 revision 05-aug-02 for technical questions, contact ff1aresistors@vishay.com metal film resistors, precision, high stability temperature characteristics resistance change ? r/r % 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -50 -25 0 25 50 75 100 125 ambient temperature in ?c + 25 + 15 - 15 - 25 +10 + 5 - 5 -10 tc in ppm/?c 120 100 80 60 40 20 0 -55 -25 0 25 50 75 85 105 125 ambient temp. in ?c derating rated power in % 70 current noise 100 1k 10k 100k 1m 10m resistance value in ? current noise in v/v 10 5 1 0.01 0.05 0.1 0.5 0 10 100 1k 10k 100k 1m resistance value in ? endurance at upper category temperature 1000h 0.10 0.08 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 resistance change ? r/r % 125?c 85?c 1 10 100 1000 frequency in mhz hf-characteristics pma0207 10k 1k 100 ? 10 ? impedance 10k 1k 100 ? 10 ? rated power in % resistance value in ? non-linearity 120 110 100 90 70 60 10 100 1k 10k 100k 1m 80 60 50 40 30 20 10 0 0 0.2 0.4 0.6 0.8 1.0 power in w temperature rise temperature rise in ?c
www.vishay.com 39 pma0207 vishay draloric document number 20114 revision 05-aug-02 for technical questions, contact ff1aresistors@vishay.com ? cecc40000 / 40300 ? en 140100 / iec 60115-1 applicable specifications metal film resistors, precision, high stability 0207 140 120 100 80 60 40 20 0 ? ? = f [ ? s] parameter: ? u 20 40 60 80 100 120 140 160 180 film temperature ? s [ c] ? r/r [t = 1000 h] = f [ ? s] parameter: resistance value load p [w] 140 120 100 80 60 40 20 0 0.01 0.1 1 20 40 60 80 100 120 140 160 180 film temperature ? s [ c] 0.01 0.1 1 10 1 0.1 0.01 resistance change ? r/r [%] 1.0 0.8 0.6 0.4 0.2 0 ? r/r (t) = f [ ? r/r (t = 1000h)] parameter : time ? ? = f [p] parameter : size temperature rise ? ? ? ? ? ?[?c] resistance change ? r/r [%] after 1000h stability nomogram, typical values (for handling see general information) 1) over a resistance range 100 ? to 100k, limits for change of resistance at test test conditions of test requirements 1) endurance test at 70 c 1000 hours at 70 c p=0.25w, 1.5 hours "on", 0.5 hours "off" 0.1% iec 60115-1 4.25.1 1000 hours at 70 c p=0.125w, 1.5 hours "on", 0.5 hours "off" 0.05% endurance at uct 1000 hours at 85 c without load 0.05% iec 60115-1 4.25-3 8000 hours at 85 c without load 0.1% overload test short time overload for 5 seconds 0.01% iec 60115-1 4.13 at 2.5 x rated voltage or twice the limiting element voltage thermal shock rapid change between upper and lower category temperature 0.01% iec 60115-1 4.19; iec 60068-2-14 climatic sequence dry heat, damp heat cyclic, cold, low air pressure 0.1% iec 60115-1 4.23 damp heat steady state 56 days at 40 c and 93% relative humidity 0.1% iec 60115-1 4.24; iec 60068-2-3 resistance to soldering heat 10 seconds at 260 c solder bath temperature 0.01% iec 60115-1 4.18; iec 60068-2-20 robustness of terminations tensile, bending and torsion 0.01% iec 60115-1 4.16; iec 60068-2-21 vibration 0.75mm or 10g, 10 hz - 500 hz 6 hours 0.01% iec 60115-1 4.22; iec 60068-2-6 performance 60?c 140?c 100?c 120?c 80?c 40?c ? ? ? ? ? = 20?c t = 100000h 10000h 5000h 2000h 1000h 10 ? 10k 100k 1m 100 ? , 1k pma
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