ESL - Equivalent Series Inductance ‘L’ ESL & Capacitors ESL - Equivalent Series Inductance ‘L’ Ideal capacitor Real world capacitor Insulation Resistance ‘IR’ DC leakage current Energy loss Parameter Guide Parasitic Inductance (ESL) Lower is better Parasitic Resistance (ESR) Insulation Resistance (IR) Higher is better ESL ESL impacts the speed of the capacitor response in transferring energy to the load ESR Limits current rating Impacts ripple voltage Energy loss Page 1
NSPL Series SMT Solid Polymer Aluminum Electrolytic Capacitors Top view of component NSPL Series Low ESL Solid Polymer Aluminum Electrolytic Capacitors SPEC: http://www.niccomp.com/catalog/NSPL.pdf 3-Terminal construction reduces Series Inductance ‘ESL’ by 50% Decoupling and noise suppression in high-speed circuits Improved response time in power circuits Reduce the number of decoupling components used Reduce PCB size - costs and component placement costs! Operating Temperature Range: -55°C to +105°C Capacitance Range 68uF to 560uF Rated Voltage Range: 2.0V, 2.5V, 4.0V & 6.3VDC +260°C Reflow Soldering Compatible Bottom view of component Please contact NIC for evaluation samples and to review your requirements tpmg@niccomp.com Cross & Replace ADVANTAGES: Stable with voltage, temperature and time No voltage derating No DC bias (weakness of MLCC) Reduce ripple voltage Eliminates piezoelectric ringing & singing Reduce number of capacitors used Competitor Product Series Cornell Dubilier (CDE) ESR Kemet A700 & T528 Murata ECAS Nichicon RVA / FP CAP Panasonic EEF-_/ SP CAP Page 2
SMT Solid Polymer Aluminum Electrolytic Capacitors ESL Reduction by 3-Terminal Structure ESL 2-terminal NSP series (+) Anode Bottom view of component The smaller the capacitor ESL, the smaller the impedance loop, and the faster the capacitor response in transferring energy to the load, and the better the high frequency noise suppression ability loop impedance (-) Cathode 3-terminal NSPL series (+) Anode ESL in loop impedance is represented by Bottom view of component L x T W ESL = k x (-) Cathode where k is a constant 3-terminal NSPL has 50% lower ESL than standard 2-terminal NSP series Page 3
SMT Solid Polymer Aluminum Electrolytic Capacitors Typical ESL comparison between NSPL, NSP and MLCC 3-Terminal NSPL has low ESL, close to ESL of 0603 size MLCC 0603 Size MLCC X5R 6.3V 22uF NSPL181M2.5D5YATRF 2.5V 180uF NSP181M2.5D6ZATRF Frequency (MHz) ESL (nH) 0.01 1 100 2 0.1 10 1.5 0.5 Page 4
SMT Solid Polymer Aluminum Electrolytic Capacitors Typical Impedance (Z) comparison between NSPL, NSP and MLCC 3-Terminal NSPL has low Impedance (Z) over wide frequency range Frequency (MHz) Impedance (Ohm) 0.01 1 100 0.1 0.001 10 NSPL181M2.5D5YATRF 2.5V 180uF NSP181M2.5D6ZATRF 2.5V 180uF 0603 Size MLCC X5R 6.3V 22uF Page 5
SMT Solid Polymer Aluminum Electrolytic Capacitors Low ESR performance for NSPL series; 220uF, 330uF & 470uF 1 100 0.1 0.01 Frequency (MHz) ESR (Ohm) 0.001 10 NSPL471M2D6YATRF 2.0V 470uF, 1.9mmT NSPL331M2D1YATRF 2.0V 330uF, 1.4mmT NSPL221M2D5YATRF 2.0V 220uF, 1.1mmT Page 6
SMT Solid Polymer Aluminum Electrolytic Capacitors Typical ESL example for each thickness: 1.1mm, 1.4mm and 1.9mm 0.1 10 Frequency (MHz) ESL (nH) 1 100 2 1.5 0.5 NSPL471M2D6YATRF 2.0V 470uF, 1.9mmT NSPL331M2D1YATRF 2.0V 330uF, 1.4mmT NSPL221M2D5YATRF 2.0V 220uF, 1.1mmT Page 7
SMT Solid Polymer Aluminum Electrolytic Capacitors High frequency noise High ESL Better: lower noise Best: lowest noise NSPL Lowest ESL Page 8
Lowest ESR in NSPL series RCR derated over temperature SMT Solid Polymer Aluminum Electrolytic Capacitors RCR ESR NSPL Low Profile 1.0mm (0.040”) Lowest ESR in NSPL series 0.003Ω with10.2Arms RCR RCR derated over temperature 10.2Arms RCR @ ≤+45°C 7.14Arms @ >+45°C to ≤+85°C 2.55Arms @ ≥85°C Page 9
SMT Solid Polymer Aluminum Electrolytic Capacitors NSPL Anode (+) Terminal 2 Cathode (-) Terminals Anode (+) Land Pad 2 Cathode (-) Land Pads Page 10
NSPL Series SMT Solid Polymer Aluminum Electrolytic Capacitors Low ESL Solid Polymer Aluminum Electrolytic Capacitors APPLICATIONS: High Speed Transient for IC Decoupling Output capacitor DC-DC Ripple (noise) Filtering Bulk Storage Load Stepping END PRODUCTS Servers & Routers Telecomm, Datacomm PCs, Tablets & Laptops Embedded Computing HD Video & Gaming Workstations Cellular Base Stations Wireless Access Points Set Top Box Co-sell NSPX series with NIC Products: → NPIM – Molded Power Inductors → NMC– X5R & X7R High Capacitance MLCCs → NCLP, NCLS – Current Sensing Resistors → NTPx – Polymer Cathode Tantalum Capacitors SPEC: http://www.niccomp.com/catalog/NSPX.pdf Page 11
Application: motherboard designed for extreme over-clocking SMT Solid Polymer Aluminum Electrolytic Capacitors 44 Polymer Capacitors: Application: motherboard designed for extreme over-clocking Application Requirements: Fast response (low ESL) High current capability Stability over voltage & temperature Page 12