1 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 benefts ? solder tag (alt) and din standard solder pin (alp) ? long life, up to 26,000 hours at +85c ? alc snap-in should be considered for new designs overview kemet's alp20 and ALT20/21 series of capacitors features low esr, high ripple current ratings and outstandingly good high frequency impedance. applications it should be pointed out that the alp solder pin and alt solder tag range details are incorporated herein, primarily, for maintenance/replacement purposes. pin/solder tag/audio aluminum electrolytic capacitors alp20 and ALT20/21 series, +85c part number system alp 20a 682 ab 010 series version capacitance code (f) size code voltage (vdc) alp = solder pin alt = solder tag 20a = standard 21a = threaded mounting stud (alt only) first 2 digits equals frst 2 signifcant fgures, 3rd digit is number of zeros see dimension table 010 = 10 025 = 25 040 = 40 063 = 63 100 = 100 200 = 200 250 = 250 385 = 385 400 = 400 450 = 450 one world. one kemet
2 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 performance characteristics item performance characteristics capacitance range 22 C 150,000 f rated voltage 40 C 450 vdc operational temperature range -40 to +85c storage temperature range -55 to +85c capacitance tolerance -10/+30%, 20% at 100 hz / +20c (only at 200 v) operational lifetime diameter rated voltage and ripple current at +85c (hours) 25 12,000 30 15,000 35 18,000 40 26,000 end of life requirement ? c/c < 10% shelf life 2,000 hours at +85c or 30,000 hours at +40c 0 vdc leakage current i = 0.006 cv or 6,000 (a, whichever is smaller) c = rated capacitance (f), v = rated voltage (vdc). voltage applied for 5 minutes at +20c. standards iec 60384C4 surge voltage condition voltage (vdc) 40 63 100 200 385 30 s surge, 1,000 cycles at +85c 46 72.5 115 230 423.5 pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c
3 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 test method & performance endurance life test conditions performance temperature +85c test duration 5,000 hours ripple current maximum ripple current specifed in table voltage the sum of dc voltage and the peak ac voltage must not exceed the rated voltage of the capacitor performance the following specifcations will be satisfed when the capacitor is tested at +20c: capacitance change 100 v within 15% of the initial value > 100 v within 10% of the initial value equivalent series resistance does not exceed 200% of the initial value leakage current does not exceed leakage current limit dimensions C millimeters (alp) size code dimensions in mm d l ll 1 2 0.5 ab 25 45 7.5 bb 30 45 7.5 cb 35 45 7.5 cd 35 55 7.5 db 40 45 7.5 dd 40 55 7.5 de 40 75 7.5 df 40 105 7.5 note: dimensions include sleeving pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c l insulated sleeve ll 3 maximum d l insulated sleeve ll 3 maximum d d l insulated sleeve ll 3 maximum d l insulated sleeve ll 3 maximum alp (d = 25) l alp (d = 30) alp (d = 35) alp (d = 40) insulated sleeve s optional mounting stud (ms) ll alt d
4 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 dimensions C millimeters (alt) size code dimensions in mm mounting stud (m x h) mounting clip d l s ll 1 2 0.5 1 nominal aa 25 35 10 10 m8 x 12 v2/h1 ab 25 45 10 10 m8 x 12 v2/h1 bb 30 45 10 10 m8 x 12 cb 35 45 10 10 m8 x 12 v3/h2 cd 35 55 10 10 m8 x 12 v3/h2 db 40 45 10 10 m8 x 12 v9 dd 40 55 10 10 m8 x 12 v9 de 40 75 10 10 m8 x 12 v9 df 40 105 10 10 m8 x 12 v9 note: dimensions include sleeving pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c l insulated sleeve ll 3 maximum d l insulated sleeve ll 3 maximum d d l insulated sleeve ll 3 maximum d l insulated sleeve ll 3 maximum alp (d = 25) l alp (d = 30) alp (d = 35) alp (d = 40) insulated sleeve s optional mounting stud (ms) ll alt d
5 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 shelf life the capacitance, esr and impedance of a capacitor will not change signifcantly after extended storage periods, however the leakage current will very slowly increase. kemet products are particularly stable and allow a shelf life in excess of three years at 40c. see sectional specifcation under each product series for specifc data. re-age (reforming) procedure apply the rated voltage to the capacitor at room temperature for a period of one hour, or until the leakage current has fallen to a steady value below the specifed limit. during re-aging a maximum charging current of twice the specifed leakage current or 5 ma (whichever is greater) is suggested. reliability the reliability of a component can be defned as the probability that it will perform satisfactorily under a given set of conditions for a given length of time. in practice, it is impossible to predict with absolute certainty how any individual component will perform; thus, we must utilize probability theory. it is also necessary to clearly defne the level of stress involved (e.g. operating voltage, ripple current, temperature and time). finally, the meaning of satisfactory performance must be defned by specifying a set of conditions which determine the end of life of the component. reliability as a function of time, r(t), is normally expressed as: r(t)=e- t where r(t) is the probability that the component will perform satisfactorily for time t, and is the failure rate. failure rate the failure rate is the number of components failing per unit time. the failure rate of most electronic components follows the characteristic pattern: ? early failures are removed during the manufacturing process. ? the operational life is characterized by a constant failure rate. ? the wear out period is characterized by a rapidly increasing failure rate. the failures in time (fit) are given with a 60% confdence level for the various type codes. by convention, fit is expressed as 1 x 10 -9 failures per hour. failure rate is also expressed as a percentage of failures per 1,000 hours. e.g., 100 fit = 1 x 10 -7 failures per hour = 0.01%/1,000 hours end of life defnition catastrophic failure: short circuit, open circuit or safety vent operation parametric failure: ? change in capacitance > 10% ? leakage current > specifed limit ? esr > 2 x initial esr value pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c
6 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 mtbf the mean time between failures (mtbf) is simply the inverse of the failure rate. mtbf= 1/ environmental compliance as an environmentally conscious company, kemet is working continuously with improvements concerning the environmental effects of both our capacitors and their production. in europe (rohs directive) and in some other geographical areas like china, legislation has been put in place to prevent the use of some hazardous materials, such as lead (pb), in electronic equipment. all products in this catalog are produced to help our customers obligations to guarantee their products and fulfll these legislative requirements. the only material of concern in our products has been lead (pb), which has been removed from all designs to fulfll the requirement of containing less than 0.1% of lead in any homogeneous material. kemet will closely follow any changes in legislation world wide and makes any necessary changes in its products, whenever needed. some customer segments such as medical, military and automotive electronics may still require the use of lead in electrode coatings. to clarify the situation and distinguish products from each other, a special symbol is used on the packaging labels for rohs compatible capacitors. because of customer requirements, there may appear additional markings such as lf = lead free or lfw = lead free wires on the label. pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c wear out early failures operational life failure rate time
7 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 table 1a C ratings & part number reference (alp) vdc rated capacitance (f) capacitance tolerance size code case size part number 40 2200 -10/+30% ab 25 x 45 alp20a222ab040 40 4700 -10/+30% cb 35 x 45 alp20a472cb040 40 6800 -10/+30% cd 35 x 55 alp20a682cd040 40 10000 -10/+30% dd 40 x 55 alp20a103dd040 63 2200 -10/+30% bb 30 x 45 alp20a222bb063 63 3300 -10/+30% cb 35 x 45 alp20a332cb063 63 4700 -10/+30% cd 35 x 55 alp20a472cd063 63 6800 -10/+30% dd 40 x 55 alp20a682dd063 63 10000 -10/+30% de 40 x 75 alp20a103de063 63 15000 -10/+30% df 40 x 105 alp20a153df063 100 4700 -10/+30% de 40 x 75 alp20a472de100 250 1000 -10/+30% de 40 x 75 alp20a102de250 400 100 -10/+30% bb 30 x 45 alp20a101bb400 450 470 -10/+30% df 40 x 105 alp20a471df450 vdc rated capacitance (f) capacitance tolerance size code case size part number table 1b C ratings & part number reference (alt) vdc rated capacitance (f) capacitance tolerance size code case size part number 40 3300 -10/+30% bb 30 x 45 ALT20a332bb040 40 4700 -10/+30% cb 35 x 45 ALT20a472cb040 40 10000 -10/+30% dd 40 x 55 ALT20a103dd040 63 1000 -10/+30% aa 25 x 35 ALT20a102a a063 200 680 -10/+30% cd 35 x 55 ALT20a681cd200 250 680 -10/+30% dd 40 x 55 ALT20a681dd250 400 100 -10/+30% bb 30 x 45 ALT20a101bb400 400 220 -10/+30% cd 35 x 55 ALT20a 221cd400 450 100 -10/+30% bb 30 x 45 ALT20a101bb450 vdc rated capacitance (f) capacitance tolerance size code case size part number print detail ? kemet logo ? rated capacitance ? capacitance tolerance ? rated voltage ? climatic category ? date of manufacture & batch no. ? article code pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c
8 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 construction the manufacturing process begins with the anode foil being electrochemically etched to increase the surface area and then formed to produce the aluminum oxide layer. both the anode and cathode foils are then interleaved with absorbent paper and wound into a cylinder. during the winding process, aluminum tabs are attached to each foil to provide the electrical contact. the deck, complete with terminals, is attached to the tabs and then folded down to rest on top of the winding. the complete winding is impregnated with electrolyte before being housed in a suitable container, usually an aluminum can, and sealed. throughout the process, all materials inside the housing must be maintained at the highest purity and be compatible with the electrolyte. each capacitor is aged and tested before being sleeved and packed. the purpose of aging is to repair any damage in the oxide layer and thus reduce the leakage current to a very low level. aging is normally carried out at the rated temperature of the capacitor and is accomplished by applying voltage to the device while carefully controlling the supply current. the process may take several hours to complete. damage to the oxide layer can occur due to variety of reasons: ? slitting of the anode foil after forming ? attaching the tabs to the anode foil ? minor mechanical damage caused during winding a sample from each batch is taken by the quality department after completion of the production process. the following tests are applied and may be varied at the request of the customer. in this case the batch, or special procedure, will determine the course of action. electrical: ? leakage current ? capacitance ? esr ? impedance ? tan delta mechanical/visual: ? overall dimensions ? torque test of mounting stud ? print detail ? box labels ? packaging, including packed quantity pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c forming winding decking impregnation assembly testing sleeving packing extended cathode anode foil cathode foil tissues foil tabs aging etching
9 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 kemet corporation world headquarters 2835 kemet way simpsonville, sc 29681 mailing address: p.o. box 5928 greenville, sc 29606 www.kemet.com tel: 864-963-6300 fax: 864-963-6521 corporate off ces fort lauderdale, fl tel: 954-766-2800 north america southeast lake mary, fl tel: 407-855-8886 northeast wilmington, ma tel: 978-658-1663 central novi, mi tel: 248-306-9353 west milpitas, ca tel: 408-433-9950 mexico guadalajara, jalisco tel: 52-33-3123-2141 europe southern europe paris, france tel: 33-1-4646-1006 sasso marconi, italy tel: 39-051-939111 central europe landsberg, germany tel: 49-8191-3350800 kamen, germany tel: 49-2307-438110 northern europe bishops stortford, united kingdom tel: 44-1279-460122 espoo, finland tel: 358-9-5406-5000 asia northeast asia hong kong tel: 852-2305-1168 shenzhen, china tel: 86-755-2518-1306 beijing, china tel: 86-10-5829-1711 shanghai, china tel: 86-21-6447-0707 taipei, taiwan tel: 886-2-27528585 southeast asia singapore tel: 65-6586-1900 penang, malaysia tel: 60-4-6430200 bangalore, india tel: 91-806-53-76817 note: kemet reserves the right to modify minor details of internal and external construction at any time in the interest of product improvement. kemet does not assume any responsibility for infringement that might result from the use of kemet capacitors in potential circuit designs. kemet is a registered trademark of kemet electronics corporation. pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c
10 ? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com a4040_alp_t20_21 ? 6/5/2014 disclaimer all product specif cations, statements, information and data (collectively, the information) in this datasheet are subject to change. the customer is responsible for checking and verifying the extent to which the information contained in this publication is applicable to an order at the time the order is placed. all information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied. statements of suitability for certain applications are based on kemet electronics corporations (kemet) knowledge of typical operating conditions for such applications, but are not intended to constitute C and kemet specif cally disclaims C any warranty concerning suitability for a specif c customer application or use. the information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. any technical advice inferred from this information or otherwise provided by kemet with reference to the use of kemets products is given gratis, and kemet assumes no obligation or liability for the advice given or results obtained. although kemet designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still occur. accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage. although all productCrelated warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not be required. pin/solder tag/audio aluminum electrolytic capacitors C alp20 and ALT20/21 series, +85c
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