DATASHEET K2 SERIES ULTRACAPACITORS FEATURES AND BENEFITS* TYPICAL APPLICATIONS Up to 1,000,000 duty cycles or Automotive subsystems 10 year DC life Wind turbine pitch control High power density Hybrid vehicles 650F to 3,000F capacitance Rail range Heavy industrial equipment Threaded terminals or laser- UPS & telecom systems weldable posts PRODUCT SPECIFICATIONS BCAP0650 BCAP1200 BCAP1500 BCAP2000 BCAP3000 ELECTRICAL 1 Rated Capacitance 650 F 1,200 F 1,500 F 2,000 F 3,000 F 1 Minimum Capacitance, initial 650 F 1,200 F 1,500 F 2,000 F 3,000 F 1 Maximum Capacitance, initial 780 F 1,440 F 1,800 F 2,400 F 3,600 F 1 Maximum ESR , initial 0.8 m 0.58 m 0.47 m 0.35 m 0.29 m DC 1 Test Current for Capacitance and ESR 65 A 75 A 100 A 100 A 100 A DC Rated Voltage 2.70 V 2.70 V 2.70 V 2.70 V 2.70 V 2 Absolute Maximum Voltage 2.85 V 2.85 V 2.85 V 2.85 V 2.85 V Absolute Maximum Current 680 A 930 A 1150 A 1500 A 1900 A 3 Leakage Current at 25 C, maximum 1.5 mA 2.7 mA 3.0 mA 4.2 mA 5.2 mA TEMPERATURE Operating temperature (Cell case temperature) o o o o o Minimum -40 C -40 C -40 C -40 C -40 C o o o o o Maximum 65 C 65 C 65 C 65 C 65 C Storage temperature (Stored uncharged) o o o o o Minimum -40 C -40 C -40 C -40 C -40 C o o o o o Maximum 70 C 70 C 70 C 70 C 70 C PHYSICAL Mass, typical 160 g 260 g 280 g 360 g 510 g Threaded or Threaded or Threaded or Threaded or Threaded or Terminals Weldable Weldable Weldable Weldable Weldable Maximum Terminal Torque (K04) 14 Nm 14 Nm 14 Nm 14 Nm 14 Nm ISO 16750, Table ISO 16750, Table ISO 16750, Table ISO 16750, Table ISO 16750, Table Vibration Specification 14 14 14 14 14 Shock Specification SAE J2464 SAE J2464 SAE J2464 SAE J2464 SAE J2464 *Results may vary. Additional terms and conditions, including the limited warranty, apply at the time of purchase. See the warranty details and enclosed information for applicable operating and use requirements. Page 1 Document number: 1015370.4 maxwell.com DATASHEET K2 SERIES ULTRACAPACITORS PRODUCT SPECIFICATIONS (Contd) BCAP0650 BCAP1200 BCAP1500 BCAP2000 BCAP3000 POWER & ENERGY 4 Usable Specific Power, P 6,800 W/kg 5,800 W/kg 6,600 W/kg 6,900 W/kg 5,900 W/kg d 5 Impedance Match Specific Power, P 14,000 W/kg 12,000 W/kg 14,000 W/kg 14,000 W/kg 12,000 W/kg max 6 Specific Energy, E 4.1 Wh/kg 4.7 Wh/kg 5.4 Wh/kg 5.6 Wh/kg 6.0 Wh/kg max 7,11 Stored Energy, E 0.66 Wh 1.22 Wh 1.52 Wh 2.03 Wh 3.04 Wh stored SAFETY Short Circuit Current, typical (Current possible with short circuit from rated 3,400 A 4,700 A 5,700 A 7,700 A 9,300 A voltage. Do not use as an operating current.) Certifications UL810a, RoHS UL810a, RoHS UL810a, RoHS UL810a, RoHS UL810a, RoHS TYPICAL CHARACTERISTICS THERMAL CHARACTERISTICS Thermal Resistance (R , Case to o o o o o ca 6.5 C/W 5.3 C/W 4.5 C/W 3.8 C/W 3.2 C/W 8 Ambient), typical 8 o o o o o Thermal Capacitance (C ), typical 190 J/ C 300 J/ C 320 J/ C 410 J/ C 600 J/ C th Maximum Continuous Current 54 A 70 A 84 A 110 A 130 A o 8 RMS RMS RMS RMS RMS (T = 15 C) Maximum Continuous Current 88 A 110 A 140 A 170 A 210 A o 8 RMS RMS RMS RMS RMS (T = 40 C) LIFE 1 DC Life at High Temperature 1,500 hours 1,500 hours 1,500 hours 1,500 hours 1,500 hours (held continuously at Rated Voltage and Maximum Operating Temperature) Capacitance Change 20% 20% 20% 20% 20% (% decrease from minimum initial value) ESR Change 100% 100% 100% 100% 100% (% increase from maximum initial value) o 1 Projected DC Life at 25 C 10 years 10 years 10 years 10 years 10 years (held continuously at Rated Voltage) Capacitance Change 20% 20% 20% 20% 20% (% decrease from minimum initial value) ESR Change 100% 100% 100% 100% 100% (% increase from maximum initial value) o 1, 9, 10 1,000,000 cycles 1,000,000 cycles 1,000,000 cycles 1,000,000 cycles 1,000,000 cycles Projected Cycle Life at 25 C Capacitance Change 20% 20% 20% 20% 20% (% decrease from minimum initial value) Page 2 Document number: 1015370.4 maxwell.com