1. 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
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2. NSPL Series SMT Solid Polymer Aluminum Electrolytic Capacitors
Top view of component
NSPL Series
Low ESL Solid Polymer Aluminum Electrolytic Capacitors
SPEC:
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
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
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3. 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
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4. 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
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5. 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
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6. 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
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7. 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
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8. SMT Solid Polymer Aluminum Electrolytic Capacitors
High frequency noise
High ESL
Better: lower noise
Best: lowest noise
NSPL
Lowest ESL
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9. 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 ≤+45°C
>+45°C to ≤+85°C
2.55Arms @ ≥85°C
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10. SMT Solid Polymer Aluminum Electrolytic Capacitors
NSPL
Anode (+) Terminal
2 Cathode (-) Terminals
Anode (+) Land Pad
2 Cathode (-) Land Pads
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11. 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:
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12. 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
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