082418 1 how to order scc series supercap cylindrical w diameter r = 8mm s = 10mm u = 16mm v = 18mm w = 22mm n = 25mm x = 30mm y = 35mm 50 case length two digits represent case length in mm, 1k = 105mm 1a = 115mm b voltage code b = 2.7v quality inspection parts are tested for life cycle, high temperature load life, temperature characteristics, vibration resistance, and humidity characteristics. see page 2 for more information. the new series of cylindrical electrochemical double-layer capacitors ofers excellent pulse power handling characteristics based on the combination of very high capacitance and very low esr. used by themselves or in conjunction with primary or secondary batteries, they provide extended back up time, longer battery life, and provide instantaneous power pulses as needed. ofers great solutions to hold up, energy harvesting, and pulse power applications. features ? cap values from 3.3f - 850f ? high pulse power capability ? low esr ? low leakage current 127 s tolerance p = +100%/-0% s = +30%/-10% s lead format r = radial s = solder pin l = weldable pin applications ? power holdup modules ? energy harvesting ? ups/industrial ? robotic power ? high pulse current applications b package b = bulk t = tray** le series code le = low esr termination these supercapacitors are compatible with hand soldering, as well as refow and wave soldering processes, so long as appropriate precautions are followed. see page 4 for more information. C custom code a1= 4mm bent leads* c1 = 2mm bent leads* operating temperature -40c to +65c @ 2.7v -40c to +85c @ 2.3v lead-free compatible component for rohs compliant products, please select correct termination style. capacitance code 1st two digits represent signifcant fgures 3rd digit represents multiplier (number of zeros to follow) * inquire about availability for radial leads only **inquire about availability scc le series supercapacitors new low esr cylindrical supercapacitors
2 082418 ratings & part number reference qualification test summary avx part number diameter (mm) length (mm) rated capacitance (f) capacitance tolerance rated voltage (v) rated temperature (c) dcl max @ 72 hrs (a) esr max @ 1000 hz (m?) esr max @ dc (m?) peak current (a) power density (w/kg) max energy (wh) energy density (wh/kg) radial lead sccr20b105prble 8 12 1 +100%/-0% 2.7/2.3* 65/85* 6 120 240 1.09 4339 0.0010 1.21 sccr20b335prble 8 20 3.3 +100%/-0% 2.7/2.3* 65/85* 12 45 65 3.67 10854 0.0033 2.69 sccs20b505prble 10 20 5 +100%/-0% 2.7/2.3* 65/85* 15 40 60 5.19 6910 0.0051 2.40 sccs30b106prble 10 30 10 +100%/-0% 2.7/2.3* 65/85* 30 25 50 9.00 4999 0.0101 2.89 sccu25b256srble 16 25 25 +30%/-10% 2.7/2.3* 65/85* 60 20 40 16.88 3025 0.0253 3.50 sccv40b506srble 18 40 50 +30%/-10% 2.7/2.3* 65/85* 75 15 30 27.00 2303 0.0506 4.00 solder pin lead sccw50b127ssble 22 50 120 +30%/-10% 2.7/2.3* 65/85* 300 6 8 82.65 4050 0.1215 4.50 sccn50b187ssble 25 50 180 +30%/-10% 2.7/2.3* 65/85* 600 7 10 86.79 2955 0.1823 6.16 sccx50b227ssble 30 50 220 +30%/-10% 2.7/2.3* 65/85* 620 5 6 128.02 3038 0.2228 4.64 sccy68b407ssble 35 68 400 +30%/-10% 2.7/2.3* 65/85* 1000 2.2 3 245.45 3352 0.4050 4.66 weldable pin lead sccy71b407slble 35 71 400 +30%/-10% 2.7/2.3* 65/85* 1300 1.3 1.8 313.95 5461 0.4050 4.55 sccy73b407slble 35 73 400 +30%/-10% 2.7/2.3* 65/85* 1000 1.8 2.5 270.00 3845 0.4050 4.45 SCCY83B507SLBLE 35 83 500 +30%/-10% 2.7/2.3* 65/85* 1500 1 1.6 375.00 5110 0.5063 4.73 sccy83b607slble 35 83 600 +30%/-10% 2.7/2.3* 65/85* 1500 1 1.6 413.27 5110 0.6075 5.68 sccy85b607slble 35 85 600 +30%/-10% 2.7/2.3* 65/85* 1500 1.6 1.8 389.42 4459 0.6075 5.57 sccy1kb707slble 35 105 700 +30%/-10% 2.7/2.3* 65/85* 1900 0.9 1.45 468.98 4986 0.7088 5.86 sccy1ab857slble 35 115 850 +30%/-10% 2.7/2.3* 65/85* 2200 0.8 1.3 545.13 4547 0.8606 5.82 *with appropriate voltage derating operating temperature can be extended to 85c test test method parameter limits life cycle capacitors are cycled between rated voltage and half-rated voltage under constant current at +25c for 500,000 cycles capacitance change esr appearance rillwldovshfydoxh wlphvllwldovshfydoxh no remarkable defects high temperature load life temperature: +65c capacitance change esr appearance rillwldovshfydoxh wlphvllwldovshfydoxh no remarkable defects voltage: rated voltage test duration: 2,000 hours storage temperature characteristics storage duration: 1 year capacitance change esr appearance rillwldovshfydoxh wlphvllwldovshfydoxh no remarkable defects no load temperature: +25c vibration resistance amplitude: 1.5mm capacitance change esr appearance rillwldovshfydoxh wlphvllwldovshfydoxh no remarkable defects frequency: 10 ~ 55hz direction: x, y, z for 2 hours each humidity voltage: rated voltage capacitance change esr appearance rillwldovshfydoxh wlphvllwldovshfydoxh no remarkable defects rh: 90% temperature: +60c test duration: 1,500 hours scc le series supercapacitors new low esr cylindrical supercapacitors
082418 3 0% 0% 0% quality and reliability percent of 25c reading percent of 25c reading percent of 25c reading 200% 150% 100% 50% 700% 600% 500% 400% 300% 200% 100% capacitance vs. temperature -40c -20c 0c 20c 40c 60c 80c temperature (oc) leakage current vs. temperature -40c -20c 0c 20c 40c 60c 80c temperatue (oc) equivalent series resistance vs. temperature 300% 250% 200% 150% 100% 50% -40c -20c 0c 20c 40c 60c 80c temperature (c) scc le series supercapacitors new low esr cylindrical supercapacitors
4 082418 cap (f) d (mm) l (mm) p (mm) 120 22 52 8.5 220 30 52 10.5 d (mm) l (mm) 25 50 d (mm) l (mm) 35 71 35 85 style b (mm) a1 4 c1 2 d (mm) l (mm) 35 68 solder temperature (oc) suggested solder time (s) maximum solder time (s) 220 7 9 240 7 9 250 5 7 260 3 5 d (mm) p (mm) d(mm) 8 3.5 0.6 10 5.5 0.6 16 7.5 0.8 18 0.8 0.8 mechanical specifications solder pin type 2-pin 120f, 220f parts solder pin type 2-pin 180f part solder pin type 4-pin 400f part soldering recommendations when soldering supercapacitors to a pcb, the temperature & time that the body of the supercapacitor sees during soldering can have a negative efect on performance. we advise following these guidelines: ? do not immerse the supercapacitors in solder. only the leads should come in contact with the solder. ? ensure that the body of the supercapacitor is never in contact with the molten solder, the pcb or other components during soldering. ? excessive temperatures or excessive temperature cycling during soldering may cause the safety vent to burst or the case to shrink or crack, potentially damaging the pcb or other components, and signifcantly reduce the life of the capacitor. hand soldering keep distance between the supercapacitor body and the tip of the soldering iron and the tip should never touch the body of the capacitor. contact between supercapacitor body and soldering iron will cause extensive damage to the supercapacitor, and change its electrical properties. it is recommended that the soldering iron temperature should be less than 350c, and contact time should be radial lead type weldable pin type 2-pin 400f, 600f parts radial bent lead type reflow soldering infrared or conveyor over refow techniques can be used on these supercapacitors. do not use a traditional refow oven without clear rated refow temperature for supercapacitors. limited to less than 4 seconds. too much exposure to terminal heat during soldering can cause heat to transfer to the body of the supercapacitor, potentially damaging the electrical properties of the supercapacitor. wave soldering only use wave soldering on radial type supercapacitors. the pcb should be preheated only from the bottom and for less than 60 seconds, with temperature at, or below, 100c on the top side of the board for pcbs equal to or greater than 0.8 mm thick. scc le series supercapacitors new low esr cylindrical supercapacitors
082418 5 (v) v r v 1 v 2 30 min v 3 esr drop dc power supply + - multimeter + - 1k 1 v r 0 step 1 i 1 step 2 t 1 cycle 1 v 2 v 1 step 3 t 2 t 3 step 4 v 3 step 6 v 4 step 5 i 2 t 4 t 5 v 5 t 6 step 1 i 1 step 2 v 6 t 7 v 7 cycle 2 v 8 step 3 t 8 step 4 t 9 v 9 v 10 step 5 i 2 t 10 step 6 t 11 v 11 t 12 test methods iec capacitance test method ? capacitance is measured using a keithley 2400 or 2602 meter ? procedure ? charge capacitor to rated voltage at room temperature lvfrhfwsduwviurpyrowdhwruhpryhfkdulhhfwv ? discharge cells with a constant current i determined by 4 * c * v r ? noting v 1 , t 1 , v 2 , t 2 and performing the calculation for c voltage t 1 t 2 times (s) i C discharge current [ma], 4 * c * v r v r C rated voltage v 1 C initial test voltage, 80% of v r v 2 C final test voltage, 40% of v r t 1 C initial test time t 2 C final test time c = i * (t 2 C t 1 ) / (v 1 C v 2 ) dcl measurement @ 25c ? dcl is measured using a multimeter with high internal impedance across a resistor ? charge capacitor to rated voltage at room temperature for 72 hours ? disconnect parts from voltage by opening switch 1 (stabilize for 10 min) ? measure voltage across a known valued resistor (1k ohm) ? calculate dcl = v/r initial esr measurement @ 25c ? using an agilent 4263b lcr meter and a kelvin connection ? measure at frequency of 1000 hz ? measurement voltage of 10mv dc esr measurement ? six steps capacity and esrdc test method is used as looxvwudwhglwkhxuhulkw ? tests are carried out by charging and discharging the capacitor for two cycles at rated voltage and half rated voltage ? c = (c dc1 +c dc2 ) / 2 ? esr dc = (esr dc1 + esr dc2 ) / 2 where: c dc1 = i 2 *(t 5 -t 4 )/(v 3 -v 4 ) c dc2 = i 2 *(t 11 -t 10 )/v 9 -v 10 ) esr dc1 = (v 5 -v 4 )/i 2 esr dc2 = (v 11 -v 10 )/i 2 i 1 = i 2 = 75ma/f maximum operating current ? this is the maximum current when capacitor temperature rise of the capacitor during its operation is less than 15c maximum peak current ? this is the maximum current in less than 1 sec watt density ? watt density = (0.12*v2 / r dc ) / mass energy density ? energy density = (? cv2) / (3600*mass) scc le series supercapacitors new low esr cylindrical supercapacitors
6 082418 temperature (c) 90 80 70 60 50 40 30 20 10 0 100%vrated (2.3v) 90%vrated 80%vrated 70%vrated 0.1 1.0 10.0 100.0 temperature (c) 90 80 70 60 50 40 30 20 10 0 100%vrated (2.7v) 90%vrated 80%vrated 70%vrated 0.1 1.0 10.0 100.0 mttf (years) polarity / reverse voltage in principal the positive and negative electrodes of the supercapacitors are symmetrical and in theory they should not have a polarity but for product consistency and for optimum performance the negative polarity is marked because the capacitors do not discharge completely when in use. it is recommended that the polarity should be used as marked. if the polarity is reversed the circuit will not have a catastrophic failure but the circuit will see a much higher leakage current for a short duration of time and the life time of the supercapacitors will be reduced. life time and temperature performance the life of a supercapacitor is impacted by a combination of operating voltage and the operating temperature according to the following equation: time to failure, t vn * exp (-q / k*t) ..(1) where v is the voltage of operation, q is the activation energy in electron volts (ev), k is the boltzmanns constant in ev and t is the operating temperature in k (where k is in degrees kelvin). typical values for the voltage exponent, n, is between 2.5 - 3.5, and q is between 1.0 - 1.2 ev in the normal operating temperature range of 40 to 65c. the industry standard for supercapacitor end of life is when the equivalent series resistance, esr, increases to 200% of the original value and the capacitance drops by 30%. typically a super-capacitance shows an initial change in the esr value and then levels of. if the capacitors are exposed to excessive temperatures the esr will show a continuous degradation. in the extreme case, if the temperatures or voltages are substantially higher, than the rated voltage, this will lead to cell leakage or gas leakage and the product will show a faster change in the esr which may increase to many times the original value. expected lifetime at various voltages scc series, 2.7v rated expected lifetime at various voltages scc series, 2.3v rated mttf (years) scc le series supercapacitors new low esr cylindrical supercapacitors
082418 7 safety recommendations warnings ? to avoid short circuit, after usage or test, supercapacitor voltage needs to discharge to 0.1v ? do not apply overvoltage, reverse charge, burn or heat higher than 150c, explosion-proof valve may break open ? do not press, damage or disassemble the supercapacitor, housing could heat to high temperature causing burns ? if you observe overheating or burning smell from the capacitor disconnect power immediately, and do not touch emergency applications ? if housing is leaking: ? skin contact: use soap and water thoroughly to wash the area of the skin ? eye contact: flush with fowing water or saline, and immediately seek medical treatment ? ingestion: immediately wash with water and seek medical treatment transportation not subjected to us dot or iata regulations un3499, <10wh, non-hazardous goods international shipping description C electronic products C capacitor licenced by cap-xx regulatory ? ul 810a ? rohs compliant ? reach compliant / halogen free storage ? capacitors may be stored within the operating temperature range of the capacitor ? lower storage temperature is preferred as it extends the shelf life of the capacitor ? do not store the supercapacitors in the following environments ? high temperature / high humidity environments >70c / 40% rh ? direct sunlight ? in direct contact with water, salt oil or other chemicals ? in direct contact with corrosive materials, acids, alkalis, or toxic gases ? dusty environment ? in environment with shock and vibration conditions scc le series supercapacitors new low esr cylindrical supercapacitors
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