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| TYPE EDL Electric Double Layer Supercapacitors Ultra High Capacitance, Small Case Size Options RoHS Compliant Type EDL electric double layer supercapacitors offer extremely high capacitance values (farads) in a variety of packaging options that will satisfy, low profile, surface mount, through hole and high density assembly requirements. The EDL is a cut above the standard electrolytic capacitor in that it can act as a battery without having to deal with the environmental or hazardous material issues that batteries entail. Highlights * * * * * * Unlimited charging and discharging capability Recycling is not necessary Long Life - 15 years Low ESR Will extend battery life up to 1.6 times First class performance with economy pricing Specifications Capacitance Range: Voltage Range: Temperature Range: Case Types: 0.22 F to 70 F 2.1 Vdc to 5.5 Vdc -25 C to +85 C Radial Leaded, Stacked Coin, SMT Applications * * * * * * Telecom - cellular handsets Solar battery back-up Small motor starter Gaming machines Real time clock - battery Remote reading utility meters Electric Double Layer Supercapacitor Construction Current Collector Activated Carbon Current Collector Electrolyte Separator Resistor to Charge Electric Double Layer Capacitor Resistor to Move Ions Complies with the EU Directive 2002/95/EC requirement restricting the use of Lead (Pb), Mercury (Hg), Cadmium (Cd), Hexavalent chromium (Cr(VI)), PolyBrominated Biphenyls (PBB) and PolyBrominated Diphenyl Ethers (PBDE). CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com Type EDL Electric Double Layer Supercapacitors Ratings Max. Catalog Part Number EDLHW335D2R3R EDLHW475D2R3R EDLHW106D2R3R EDLHW226D2R3R EDLHW306D2R3R EDLHW506D2R3R EDLHW706D2R1R EDLF473A5R5C EDLF104A5R5C EDLF474B5R5C EDLF684B5R5C EDLF105B5R5C EDLNF104A5R5C EDLNF224A5R5C EDLNF474B5R5C EDLNF105B5R5C EDLNF155B5R5C EDLSG474V5R5C EDLSG105V5R5C EDLSG155V5R5C EDLSG474H5R5C EDLSG105H5R5C EDLSG155H5R5C EDLSD223V5R5C EDLSD473V5R5C EDLSD104V5R5C EDLSD224V5R5C EDLSD334V5R5C EDLSD223H5R5C EDLSD473H5R5C EDLSD104H5R5C EDLSD224H5R5C EDLSD334H5R5C EDLEN204A3R3S EDLEN204B3R3S EDLEN204RL3R3S Capacitance 3.3 F 4.7 F 10 F 22 F 30 F 50 F 70 F 0.047 F 0.10 F 0.47 F 0.68 F 1.00 F .10 F .22 F .47 F 1.0 F 1.5 F .47 F 1.0 F 1.5 F .47 F 1.0 F 1.5 F .022 F .047 F .10 F .22 F .33 F .022 F .047 F .10 F .22 F .33 F .20 F .20 F .20 F 3.3 3.3 3.3 5.5 5.5 5.5 5.5 5.5 5.5 2.1 2.3 Voltage (Vdc) Resistance @ 1 kHz () 0.3 0.3 0.2 0.1 0.1 0.1 0.1 120 100 75 50 50 75 75 30 30 30 30 30 30 30 30 30 150 120 75 75 75 150 120 75 75 75 200 200 200 SMT Wide Lead SMT Narrow Lead SMT Radial Lead Stacked Coin Stacked Coin Stacked Coin Stacked Coin Radial Lead Case Type Case Dia. (mm) 12.5 12.5 12.5 18 18 18 18 13.5 13.5 21.5 21.5 21.5 13.5 13.5 21.5 21.5 21.5 19 19 19 20 20 20 10.5 10.5 10.5 10.5 10.5 11.5 11.5 11.5 11.5 11.5 6.8 6.8 6.8 Case Length (mm) 23 23 35 35 35 40 50 9.5 9.5 9.5 9.5 9.5 7.5 7.5 8.0 8.0 8.0 5.0 5.0 5.0 6.0 6.0 6.0 5.0 5.0 5.0 5.0 5.0 5.5 5.5 5.5 5.5 5.5 1.8 1.8 1.8 Style RoHS Compliant HW F 85 C NF 70 C SG Stacked Coin Stacked Coin 70 C SD 70 C EN CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com TYPE EDL Electric Double Layer Supercapacitors Outline Drawings CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com Type EDL Electric Double Layer Supercapacitors Outline Drawings CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com TYPE EDL Electric Double Layer Supercapacitors Applications and Recommended Series Application Mobile Phones PDA Function Real-Time Clock Back-Up EN Real-Time Clock Back-Up Recommended Series Component DSC Real-Time Clock Back-Up EN, SD DVD Recorder Real-Time Clock and Channel Back-Up SD, SG Digitial TV Real-Time Clock and Channel Back-Up SD, SG NF PC, Server Mobile Phone Base Station Inkjet Printer Electric Power Gas and Water Meters LED Light with Solar Battery Toys Real-Time Clock and Channel Back-Up F Real-Time Clock and Channel Back-Up Time and Impact Back-Up SD, SG, NF Real-Time Clock and Data Back-Up F LED Lighting at Night HW Motor Drives Toy Games Robot Car Audio Memory Real-Time Clock Back-Up Real-Time Clock and Data Back-Up EN F Real-Time Clock Back-Up CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com Type EDL Electric Double Layer Supercapacitors How to Select an Electric Double Layer Supercapacitor Estimated initial back-up time Back-up time for Type EDL Electric Double Layer Supercapacitors decreases with use and over time especially when the current is large or operating at high temperature. Be sure to specify extra back-up time initially to allow for product changes. Select the optimum supercapacitor according to applied current. The internal resistance of the supercapacitor prevents drawing high discharge currents. Select the supercapacitor capable of delivering the peak current at switchover to back-up mode using the following table. Series SG, SD, NF F EN HW Maximum Operating (Discharge) Current 0.047 F 200 A 200 A - - 0.1 F to 0.33 F 300 A 300 A 10 A - 0.47 F to 1.5 F 1 mA 300 A - 100 mA 3.3 F to 4.7 F - - - 300 mA 10 F to 50 F - - - 1A Back-up Time Example Back-up time is the time it takes for the applied voltage to decay to the cut-off voltage set by the user after applying the application's maximum voltage at application maximum temperature. Example: An F Type EDL, P/N EDLF105B5R5C (Rated at 5.5 V, 1.0 F) is charged to 5.0 Vdc. The circuit requirement is such that it must maintain a memory circuit with a current drain of 10 A in an ambient temperature of +40 C. The memory RTC cut-off voltage is 2.0 Vdc. Using minimum capacitance, calculate the back-up time as follows: t = CV I = C[V0-(i*R)-V1] (i+iL) C = 1.0 F-20% = 0.8 F, R=50 , V0=5 V. V1=2 V, i=10 A t: Back-up time (s) C: Capacitance of Type EDL (F) V0: Applied voltage (V) V1: Cut-off voltage (V) i: Current during back-up (A) iL: Leakage current (A) R: Internal resistance () at 1 kHz Therefore, t = 0.8 (5-0.0005-2) (10+2) 10-6 = 55 hours And thus the initial back-up time is 55 hours. After 1000 hours, Life Design for Electric Double Layer Supercapacitors Type EDL supercapacitors have a useful lifetime that decreases with increasing operating temperature, humidity, applied-voltage, current and backup-time requirements. Expected lifetime is the product of four factors: Expected Life = (Lifetime)*(Temperature Factor)*(Voltage Factor)*(Moisture Factor) CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com TYPE EDL Electric Double Layer Supercapacitors Lifetime The minimum rated life at 85 C with 5.5 Vdc applied is 1000 hours with maximum permitted end-of-life change of -30% capacitance and a 4 times increase in internal resistance. Temperature Factor To determine the effect of temperature on expected life of a supercapacitor, use the fact that expected lifetime doubles for each 10 C that the operating temperature is reduced. As an illustration, at 85 C and full voltage the rated lifetime is 1000 hours. So, at 40 C the expected lifetime would be multiplied by 2(85-40)/10 = 24.5 = 22.6 times. The Temperature Factor is 22.6, and for 1000-h, 85 C rated life, the expected 40 C life would be 22600 hours. Voltage Factor The rate of change of capacitance decreases with decreasing applied voltage. The effect on life extension is roughly proportional to the voltage derating, e.g., 5 V applied to 5.5 V rated supercapacitors extends the life 1.1 times. Moisture Factor Expected life of these supercapacitors is considerably shortened by operation in high humidity. The applications discussed here assume that the relative humidity is no more that 50%. Expected Life Example So, for a 5.5 V supercapacitor at 40 C charged to 5.V in less than 50% RH the expected life is Expected Life = (Lifetime) (Temperature Factor) (Voltage Factor) (Moisture Factor) = (1000 h) (22.6) (1.1) (1) = 24800 hours = 2.8 years CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com TYPE EDL Electric Double Layer Supercapacitors Performance Data Self-Discharging Characteristics Versus Charging Time Part number EDLF105B5R5C (5.5 V 1.0 F) Charge voltage: 5 V Time (h) Charging Characteristics Part number EDLF105B5R5C (5.5 V 1.0 F) @ +20 C 30 0 10 Voltage Time (min.) CDE Cornell Dubilier * 1605 E. Rodney French Blvd. * New Bedford, MA 02744 * Phone: (508)996-8561 * Fax: (508)996-3830 * www.cde.com |
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