page 4 ? paktron ? p.o. box 4539, 1205 mcconville road, lynchburg, virginia 24502 ? tel 434-239-6941 ? fax 434-239-4730 ? www.paktron.com type ra angstor ? capacitor metallized polyester (pet) dielectric 100 vdc / 80 vac pf code value f l max t max h max s .02 (.5) d max dv/dt (v/s) case part number 224 .22 .350 (8.9) .155 (3.9) .280 (7.1) .295 (7.5) .025 (.6) 75 ra3 224k100ra3 _ _ 474 .47 .350 (8.9) .180 (4.6) .305 (7.7) .295 (7.5) .025 (.6) 65 ra3 474k100ra3 _ _ 105 1.0 .450 (11.4) .175 (4.4) .285 (7.2) .394 (10) .025 (.6) 35 ra4 105K100RA4 _ _ 225 2.2 .350 (8.9) .250 (6.3) .350 (8.9) .295 (7.5) .025 (.6) 25 ra3 225k100ra3 _ _ 225 2.2 .450 (11.4) .205 (5.2) .285 (7.2) .394 (10) .025 (.6) 25 ra4 225k100ra4 _ _ 335 3.3 .450 (11.4) .250 (6.3) .350 (8.9) .394 (10) .025 (.6) 25 ra4 335k100ra4 _ _ 405 4.0 .450 (11.4) .200 (5.1) .380 (9.7) .394 (10) .032 (.8) 20 ra4 405k100ra4 _ _ 505 5.0 .450 (11.4) .220 (5.6) .480 (12.2) .394 (10) .032 (.8) 20 ra4 505k100ra4 _ _ 106 10.0 .650 (16.5) .260 (6.6) .460 (11.7) .591 (15) .032 (.8) 13 ra6 106k100ra6 _ _ 250 vdc / 160 vac pf code value f l max t max h max s .02 (.5) d max dv/dt (v/s) case part number 104 .1 .450 (11.4) .160 (4.1) .255 (6.5) .394 (10) .025 (.6) 100 ra4 104k250ra4 _ _ 224 .22 .450 (11.4) .190 (4.8) .305 (7.7) .394 (10) .025 (.6) 75 ra4 224k250ra4 _ _ 334 .33 .450 (11.4) .250 (6.3) .330 (8.4) .394 (10) .025 (.6) 75 ra4 334k250ra4 _ _ 474 .47 .450 (11.4) .210 (5.3) .305 (7.7) .394 (10) .025 (.6) 55 ra4 474k250ra4 _ _ 474 .47 .650 (16.5) .230 (5.8) .340 (8.6) .591 (15) .032 (.8) 50 ra6 474k250ra6 _ _ 105 1.0 .650 (16.5) .240 (6.1) .340 (8.6) .591 (15) .032 (.8) 35 ra6 105k250ra6 _ _ tolerance: k (10%) standard , j (5%) available rohs part number information: no suffix indicates rohs-5 compliant standard part number . rohs-5 product does not contain five of the rohs banned materials (hg, crvi, cd, pbb and pbde) in levels exceeding the industry defined limits. component lead wires are plated with sn / pb and match conventional snpb board assembly requirements. for a rohs-6 compliant part, add a Cfa suffix. rohs-6 product does not contain any of the six rohs banned materials (hg, crvi, cd, pbb, pbde and pb) in levels exceeding the industry defined limits. component lead wires are plated with sn. 474 ? efficient size ? rugged construction ? does not fail short C self healing ? low esr/esl ? no entrapped moisture or air in self-encased design ? no dissimilar metals to chemically degrade or attract moisture ? high dv/dt ? wave solderable ? operating temperature range: C55c to +125c ? made in u.s.a. ra capacitor type electrical schematic non-polarized dimensions in inches, metric (mm) in parenthesis. new ra tings
type ra angstor ? capacitor metallized polyester (pet) dielectric paktron ? p.o. box 4539, 1205 mcconville road, lynchburg, virginia 24502 ? tel 434-239-6941 ? fax 434-239-4730 ? www.paktron.com ? page 5 400 vdc / 250 vac pf code value f l max t max h max s .02 (.5) d max dv/dt (v/s) case part number 224 .22 .650 (16.5) .230 (5.8) .340 (8.6) .591 (15) .032 (.8) 65 ra6 224k400ra6 _ _ 474 .47 .650 (16.5) .290 (7.4) .440 (11.1) .591 (15) .032 (.8) 120 ra6 474k400ra6 _ _ 500 vdc / 250 vac pf code value f l max t max h max s .02 (.5) d max dv/dt (v/s) case part number 504 .5 .650 (16.5) .280 (7.1) .540 (13.7) .591 (15) .032 (.8) 120 ra6 504k500ra6 _ _ tolerance: k (10%) standard, j (5%) available rohs part number information: no suffix indicates rohs-5 compliant standard part number. rohs-5 product does not contain five of the rohs banned materials (hg, crvi, cd, pbb and pbde) in levels exceeding the industry defined limits. component lead wires are plated with sn / pb and match conventional snpb board assembly requirements. for a rohs-6 compliant part, add a Cfa suffix. rohs-6 product does not contain any of the six rohs banned materials (hg, crvi, cd, pbb, pbde and pb) in levels exceeding the industry defined limits. component lead wires are plated with sn. electrical capacitance range: 0.1 f to 10.0 f @ 1khz tolerance: available in 5%, 10% (standard), 20% voltage range : 100, 250, 400, 500 vdc dissipation factor: 1.0 % @ 25c, 1khz insulation resistance: 1,000 megohms x f. need not exceed 1,000 megohms. rated voltage 100 vdc > 100 vdc test voltage 10 vdc 100 vdc dielectric strength: 1.6 x rvdc, 2 seconds max. (bold p/ns) 1.3 x rvdc, 2 seconds max. self inductance : 2 to 6nh typical temperature range: -55c to 125c @ rated dc voltage. (bold p/ns) C55c to 125c, derate voltage 1.25% / c above 85c accelerated dc voltage life test: 1,000 hours, 85c, 1.25 rated vdc ? c/c 5% df 1.0%, 1khz, 25c ir 1,000 megohm x f. need not exceed 1,000 megohms moisture test: 85c / 85% rh / 21 days applied voltage: zero bias ? c/c 7% df 1.0%, 1khz, 25c ir 30% of initial limit long term stability: after 2 years storage, standard environment ? c/c 2% vibration: mil std 202 method 204d solder resistance: 260c, 5 sec. ? c/c 2% construction: non-inductively constructed with metallized polyester dielectric (polyethylene terephthalate). parallel plateCmultilayer polymer (mlp) design. electrode: aluminum metallization. case: polyester tape wrap. marking: parts are continuously marked itw and pf code. itw, capacitance, tolerance and working voltage are printed on container. packaging: bulk packaging standard performance physical dimensions in inches, metric (mm) in parenthesis.
page 6 ? paktron ? p.o. box 4539, 1205 mcconville road, lynchburg, virginia 24502 ? tel 434-239-6941 ? fax 434-239-4730 ? www.paktron.com type ra angstor ? capacitor metallized polyester (pet) dielectric angstor ? capacitor application notes itw paktron developed the highly advanced interleaf ? technology method of capacitor manufacturing to improve device electrical properties and stability in actual use condi - tions. as opposed to the conventional winding method, interleaf ? technology uses a high laminating pressure, linear stacking technology. the resulting capacitor chip is a construction hybrid resembling a multilayer ceramic capaci - tor in cross section, while offering all the fail-safe advan - tages of a stacked plastic film capacitor. we refer to the resultant parts as mlp or multilayer polymer. the angstor ? capacitor (or ra style) is a self-encased, metallized film capacitor which features small size, high dv/dt capability and very low esr at high frequency. intended for thru-hole and wired applications, the units feature all aluminum electrodes and terminals that are pulse welded to the lead wires. the units are back impregnated with a microcrystalline polymer sealant, and require no external coatings for moisture protection. the internal layers are heavily laminated to eliminate air from the core material which improves high frequency response compared to com - petitive units. operating temperature limit is extended to125 degrees c. the following are a few examples of applications wherein the angstors unique features have proven desirable: high frequency switching power inputs as the modern power converter broke the 100 khz switching frequency barrier, the ripple voltage and rfi con - trol components changed drastically. on the input side of 48 volt converters, a low esr and esl capacitor is needed in the pi filter network to control emi generated by the switch - ing mosfet. metallized film capacitors should be used because of the voltage bias and due to the units ability to clear during a high voltage event, rather than short out like a common mlc capacitor. electrolytic (alumi - num and tantalum) capacitors are not useful because of their extremely high parasitic resistance and inductance. under ripple voltage the angstor is stable, while ceramic capacitors increase in loss factor, creating incremental i 2 r losses. line and data line noise suppression a 250 volt angstor will not lose value due to the bias volt - age and can be used on higher voltage lines as a differential noise bypass for rfi control. high input dv/dt up to 100 volts per micro second can be handled. in modems, the angstor is a space efficient alternative to other input current control devices. since the capacitor body is plastic there exists no piezoelectric emf due to input di/dt. emi/rfi suppression noise suppression is required on a variety of motors and field effect devices close to the offending source to minimize rfi on the voltage bus. noise or transients emanating from switched state motors or inductors require a low esr capacitor as part of the filtering arrangement. the angstor is an excellent choice for these 12, 36 and 48 volt bus-rails because of its small size compared to other film capacitors and better esr and reliability than ceramic capacitors. as the automotive bus voltage rises from 12 to 36/42 volts, this technology will replace many ceramic and tantalum capaci - tors because of its enhanced voltage coefficient (stability). graceful aging there exists no chemical interactions within the mlp capacitor to effect long term life. the parts are suitable for 10 to 20 year life applications due to their stability and inherently low loss. the polymer dielectric becomes more crystalline over long periods of time, which can gradually lower the capacitance value. the thin-film metallized elec - trodes are capable of self healing under high voltage events. this feature avoids the shorting, cracking and rapid heat generation problem often found in ceramic capacitors.
paktron ? p.o. box 4539, 1205 mcconville road, lynchburg, virginia 24502 ? tel 434-239-6941 ? fax 434-239-4730 ? www.paktron.com ? page 7 type ra angstor ? capacitor metallized polyester (pet) dielectric 100 khz 10 khz 1 khz 100 hz x7r-mlc ra -4% -2% 0% 2% capacitance change (% ) capacitance change vs. frequenc y ra x7r-mlc 125 105 85 65 45 25 0 -20 -40 -55 -10% -5% 0% 5% 10% capacitance change (% ) capacitance change (% ) capacitance change (% ) capacitance change vs. temperatur e capacitance change vs. ac volts 0 01 23 45 1.0 2.0 3.0 df(%) ra x7r-mlc 6% 5% 4% 3% 2% 1% 0% -55 -40 -20 02 54 56 58 5 105 125 ra x7r-mlc df (%) dissipation factor vs. temperatur e dissipation factor vs. ac volts (1 khz) capacitance vs. time (aging) 0% 1% 2% 3% 4% 100 hz 1 khz 10 khz 100 khz df (%) ra x7r-mlc dissipation factor vs. frequency 0 -20 0 +20 12 3 ra x7r-mlc 10 100 1000 10000 100000 0 -10 ra x7r-mlc 0 -20 -30 -40 0 -10 -50 02 0 40 60 80 100 ra x7r-mlc capacitance change vs. dc bias frequency temperature (c) ac voltage (vrms) temperature ( c) frequency ac voltage (vrms) time (hrs.) dc bias (volts) capacitance change (% ) typical performance curves comparison of multilayer polymer (ra) vs. multilayer ceramic (x7r)
page 8 ? paktron ? p.o. box 4539, 1205 mcconville road, lynchburg, virginia 24502 ? tel 434-239-6941 ? fax 434-239-4730 ? www.paktron.com type ra angstor ? capacitor metallized polyester (pet) dielectric 10,000.000 1000.000 100.000 10.000 10.000 100.000 100 1,000 10,000 100,000 1,000,000 10,000,000 1.000 0.100 0.010 1.000 0.100 0.010 0.001 impedance esr impedance z (ohms) esr (ohms) frequency 1000.000 100.000 10.000 10.000 100 1,000 10,000 100,000 1,000,000 10,000,000 1.000 0.100 0.010 1.000 0.100 0.010 0.001 impedance esr impedance z (ohms) esr (ohms) frequency 10,000.000 1000.000 100.000 10.000 10.000 100 1,000 10,000 100,000 1,000,000 10,000,000 1.000 0.100 0.010 1.000 0.100 0.010 0.001 impedance esr impedance z (ohms) esr (ohms) frequency 1000.000 100.000 10.000 10.000 100 1,000 10,000 100,000 1,000,000 10,000,000 1.000 0.100 0.010 1.000 0.100 0.010 0.001 impedance esr impedance z (ohms) esr (ohms) frequency 10,000.000 1000.000 100.000 10.000 10.000 100 1,000 10,000 100,000 1,000,000 10,000,000 1.000 0.100 0.010 1.000 0.100 0.010 0.001 impedance esr impedance z (ohms) esr (ohms) frequency 10,000.000 1000.000 100.000 10.000 10.000 100 1,000 10,000 100,000 1,000,000 10,000,000 1.000 0.100 0.010 1.000 0.100 0.010 0.001 impedance esr impedance z (ohms) esr (ohms) frequency impedance & esr vs. frequency impedance & esr vs. frequency impedance & esr vs. frequency impedance & esr vs. frequency impedance & esr vs. frequency impedance & esr vs. frequency 1.0 m f 100 vdc ra4 .47 m f 250 vdc ra4 1.0 m f 250 vdc ra6 3.3 m f 100 vdc ra4 2.2 m f 100 vdc ra4 .47 m f 400 vdc ra6 typical performance curves selected high value power capacitors
3.3 m f 100 vdc ra4 10.0 m f 100 vdc ra6 5.0 m f 100 vdc ra4 1.0 m f 250 vdc ra6 4.0 m f 100 vdc ra4 .47 m f 400 vdc ra6 typical performance curves selected high value power capacitors 0.001 0.01 0.10 1.00 10.00 100.00 1000.00 1,000,000 10,000 100,000 1,000 100 10,000,000 frequency vo l t age (rms) 0.001 0.01 0.10 1.00 10.00 c u rrent (rms) maximum rms voltage & current vs frequency 105k250ra6 (1.0 f ra6 mlp) vrms irms maximum rms voltage & current vs frequency 405k100ra4 (4.0 f ra4 mlp) 0.001 0.01 0.10 1.00 10.00 100.00 0.01 0.10 1.00 10.00 100.00 1,000,000 10,000 100,000 1,000 100 10,000,000 frequency vo l t age (rms) c u rrent (rms) vrms irms 0.001 maximum rms voltage & current vs frequency 474k400ra6 (0.47 f ra6 mlp) 0.001 0.01 0.10 1.00 10.00 100.00 1000.00 1,000,000 10,000 100,000 1,000 100 10,000,000 frequency vo l t age (rms) 0.001 0.01 0.10 1.00 10.00 c u rrent (rms) vrms irms 0.001 0.01 0.10 1.00 10.00 100.00 1,000,000 10,000 100,000 1,000 100 10,000,000 frequency vo l t age (rms) 0.001 0.01 0.10 1.00 10.00 c u rrent (rms) maximum rms voltage & current vs frequency 106k100ra6 (10.0 f ra6 mlp) vrms irms maximum rms voltage & current vs frequency 335k100ra4 (3.3 f ra4 mlp) 1,000,000 10,000 100,000 1,000 100 10,000,000 frequency vo l t age (rms) 0.001 0.01 0.10 1.00 10.00 c u rrent (rms) vrms irms 0.001 0.01 0.10 1.00 10.00 100.00 paktron u * " ? y { x ? ? ] ? x v
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