Aluminum Electrolytic Capacitors Basic Construction & Product Ranges Electrolytic Capacitor Factories Gränna, Sweden Weymouth, UK Nantong, China March, 2007 Distributor Workshop 2 Aluminum Electrolytic Capacitor Winding Anode Foil Paper Tabs Cathode Foil Paper March, 2007 Distributor Workshop 3 Construction of Al Electrolytic Capacitor Aluminum Anode Foil Oxide Layer (dielectric) Electrolyte Paper layer Aluminum Cathode Foil Simplified enlarged cross section March, 2007 Distributor Workshop 4 Etched anodic Al-foil Purity: 99.99% aluminum Etched micro channels: ≈ ∅ 1μm, L= 30-40μm Dielectric: Al-oxide Al2O3 , thickness 1.1nm/V, εR=9 + +++ ++ ++ ++ +++ + + + + + ---- --- - -- --- - -- -- --- --- - March, 2007 Distributor Workshop 5 Decking These just the how the tabs of the winding are connected to the underside of the deck in both screw terminal and Axial parts March, 2007 Distributor Workshop 6 Weymouth Snap-in’s ALC10 and ALC40 Series • High Ripple Current; • Long Life; 18kHrs for 40 mm dia., ALC10 • Wide case range up to 50mm diameter; • Wide voltage range up to 500V for ALC10; • Various deck styles available from 2 to 5 pin (dependant on diameter) March, 2007 Distributor Workshop 7 Snap-in Pin Styles A /D STYLE - 2 PIN C/E STYLE - 4 PIN F STYLE - 3 PIN, SHORT G/H STYLE - 5 PIN, LONG March, 2007 Distributor Workshop 8 Nantong Snap-ins PEH506 6000h/85C PEH532 2000h/105C PEH534 4000h/105C PEH536 6000h/105C PEH526 4000h/125C March, 2007 Distributor Workshop 9 Product Comparison - Snap-in Life Expectancy of ALC10/12/40 & 42 given at Ur, Ir and rated temperature Life Expectancy of PEH506/532/534 & 536 given at Ur and rated temperature March, 2007 Distributor Workshop 10 BHC & ER Screw Terminal ranges produced in Weymouth March, 2007 Distributor Workshop 11 Screw Terminal Roadmap March, 2007 Distributor Workshop 12 BHC Screw Terminal Capacitors ALS30 and ALS40 Series • • • • • • • Very high ripple current; Long life; 20kHrs for 77mm dia., ALS30 Voltage ranges: ALS30: 25 - 500V ALS40: 25 - 450V Up to 90mm diameter; Up to 220mm can length; Available in plain and stud mounted; All designs extended cathode construction; March, 2007 Distributor Workshop 13 Screw Terminal Capacitors Terminal Options March, 2007 Distributor Workshop 14 Screw Terminal Capacitors Dimensions & Terminal Availability March, 2007 Distributor Workshop 15 EvoxRifa Screw Terminal Capacitors • 85°C: PEH169, PEH200 10 VDC – 550 VDC Dia 35mm – 91mm 1 500 000 μF – 68 μF • 105°C: PEH169 10 VDC – 350 VDC Dia 35mm – 91mm 1 500 000 μF – 100 μF March, 2007 Distributor Workshop 16 Product Comparison - Screw Terminal ALS Family Tree Capacitance Tolerance Voltage Range Temperature Range Case Sizes PEH Family Tree Capacitance Tolerance Voltage Range Temperature Range Case Sizes ALS30/31 ALS32/33 ALS34/35 ALS40/41 ±20% 10V to 500V dc -40°C to 85°C 36x52 to 91x220 mm ±20% 350V to 500V dc -40°C to 85°C 1.375"x2.125" to 3"x8.625" -10% +30% 16V to 500V dc -40°C to 85°C 1.375"x2.125" to 3"x8.625" ±20% 10V to 450V dc -40°C to 105°C 36x52 to 91x220 mm PEH169 (85°C) PEH200 PEH169 (105°C) ±20% 10V to 450V dc -40°C to 85°C 35x51 to 91x145 mm ±20% 25V to 550V dc -40°C to 105°C 35x47 to 90x220 mm -10% +30% 10V to 350V dc -40°C to 105°C 35x51 to 91x145 mm March, 2007 Distributor Workshop 17 Stud Mount / Plain Base PEH169 / PEH200 ALS30 / 40 plain base becomes ALS31 / 41 March, 2007 Distributor Workshop 18 Snap-in and Screw Terminal Capacitors Typical Applications • • • • Inverters Drives Power Supplies i.e. telecommunications UPS • Energy Discharge, i.e. Welding. • Medical Imaging / lasers March, 2007 Distributor Workshop 19 Weymouth Product Overview Technical Strengths • • • • • Long life expectancy High transient voltage performance High Ripple Current Electrolyte development Design flexibility March, 2007 Distributor Workshop 20 Other Capacitors Manufactured by BHC • ALP/T - Pin / Tag Capacitors • T-Network & Slotted Foil March, 2007 Distributor Workshop 21 PEG126 high performance axial electrolytic capacitor z Originally designed for automotive applications z Excellent resistance to vibrations (10-2000Hz, 1.5 mm amplitude, or 20g 3x12h) z z z z High ripple current capability Low ESR, even at low temperatures 150°C max hotspot-temperature (2kh, for ∅20) Long operational life, 8kh at 125°C (∅20) March, 2007 Distributor Workshop 22 PEG 22x- variants, 25V- 63V PEG 226 • 150°C • Extremely high ripple current • Up to 28 A -ripple [RMS, Continuous load] High vibration resistance PEG 220 • 150°C • Very high ripple current • Up to 21 A -ripple [RMS, Continuous load] High vibration resistance PEG 225 • 125°C / 150 °C with derating • High CV • Extremely high ripple current • Max Maxperformance, performance, normal normalCV-values, CV-values, two twotabs tabsdesign design High Highperformance, performance, normal normalCV-values, CV-values, one onetab tabdesign design Max Maxperformance, performance, 125 125°C/ °C/25V, 25V, 150 150°C/18V °C/18V High HighCV-values, CV-values, two tabs two tabsdesign design Up to 28A-ripple [RMS, Continuous load] High vibration resistance March, 2007 Distributor Workshop 23 Axial Aluminium Electrolytic Road Map March, 2007 Distributor Workshop 24