SM series | Features | • Can be used as substitution of rechargeable batteries and ideal for RTC back-up purposes. • Eco-friendly : It is RoHS compliant T-type R01 • Pb-free Reflowable : Pb-free reflow soldering is available (260℃ peak) • High Operational Voltage : Able to be used at wide range voltage from 0V to 3.3V T01 • Various Terminal Types T02 H-type SM 3R3 703 SM 3R3 333 | Applications | • RTC(Real Time Clock) back-up for Mobile Phones, Digital Cameras, PMP, Pagers, etc. | Nominal Specifications | Part No. Cell Size Operating Temp. Rated Voltage Electrostatic Capacitance Discharge Capacity Capacitance Tolerance ESR (at 1KHz) Leakage Current SM 3R3 703 Ø4.8 × 1.4mm SM 3R3 333 Ø3.8 × 1.1mm -25 ~ +60 ℃ 3.3Vdc 0.07F 22 uAh (3.3V-2.0V) 0.033F 10.3 uAh (3.3V-2.0V) -20 ~ 80 % LESS THAN 100Ω LESS THAN 100㎂ LESS THAN 200Ω LESS THAN 80㎂ | Discharge Characteristics | Discharge characteristics (3.3V 2.0V) 3.5 3.0 3.0 V(Voltage) V(Voltage) Discharge characteristics (3.3V 2.0V) 3.5 2.5 2.0 10㎂ 5㎂ 2.5 2.0 1㎂ 1.5 10㎂ 5㎂ 1㎂ 1.5 1 10 100 1000 Time(min) SM 3R3 703 1 10 100 1000 Time(min) SM 3R3 333 | Reflow Soldering Condition | Temperature on the surface of capacitor(℃) Peak Temperature 250 200 150 Pre heat 0 150 TIME (sec.) 200 Peak Temperature on the surface of capacitor (℃) * The peak temperature(260℃) is within five seconds 250 * The time of repeated reflow soldering must be two times or less. * Do NOT apply reflow soldering, when cell voltage is above 0.3V Homepage : http://www.korchip.com Head office : 82-31-361-8031~6 (Fax : 82-31-361-8080) E-mail : [email protected] 260 250 240 230 220 0 10 20 30 40 50 60 Reflow time (sec.) -Period of above 200℃