Aluminum Electrolytic Capacitors

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Aluminum Electrolytic Capacitors
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Aluminum Electrolytic Capacitors -
Guidance in Selecting & Specifying by Type & Ratings

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Aluminum Electrolytic Capacitors belong to the family of electrolytic capacitors and have the following
characteristics:

They are Polarized with Anode (+) and Cathode (-) terminals
They dominate higher capacitance values (0.47uF to 82,000uF) and voltages from 2.5VDC ~ 450VDC
They are very widely used as they offer lowest cost per capacitance - voltage value
They are available in both surface mount and leaded construction

The are fixed capacitance value (their value is not user variable) with ±20% tolerance (M) standard

Aluminum electrolytic capacitors are used in virtually every segment of the electronics industry

Any product that "plugs into the wall" (receives power from the utility company) likely uses aluminum electrolytic capacitors in the power circuitry, converting AC voltage into continuous DC voltage

Aluminum electrolytic capacitors are widely used to provide temporary voltage hold-up (they act as short-term energy sources) during transition periods (high load, line droops, transient events) within most electrical circuits

Energy storage / power source smoothing (voltage hold-up)
Power source noise filtering applications (shunts noise to ground)
AC signal bypass/filtering applications (shunts noise to ground)
Arc suppression (reduces high energy transients)
Also used (in combination with other devices) in circuit timing, filtering or tuning
Circuit coupling (passes AC and blocks DC)

Aluminum Capacitor Selection Steps:

1. Select type - construction (See below table)

Package Types
Surface Mount (SMT) for mounting on surface of PCB			Leaded (LDD) for mounting through-hole of PCB

PCB Assembly Process: Reflow soldering compatible Reflow Soldering Heat Limits: Series & Size			PCB Assembly Process: Wave soldering compatible Wave Soldering Heat Limits: LINK
Type	Image	Comments	Type	Image	Comments
V-Chip Vertical Can		Most common Lowest cost Lifetime limited by operating temperature: Link	Radial Leaded		Most common Lowest cost Lifetime limited by operating temperature: Link
Flat Chip Molded Case		Solid Polymer Low ESR Long Lifetime	Snap-In & Screw Terminal		Large Can High Capacitance High Voltage

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2. Determine capacitor lifetime in circuit operation; number of hours @ operational temperature (°C)

L1 = Rated Lifetime (hours) at Maximum Rated Temperature (T1)

L2 = Estimated Lifetime (hours) at Operating Temperature (T2)

T1 = Maximum Rated Temperature (°C)

T2 = Operating Temperature (°C)

Compare temperature and lifetime ratings of NIC aluminum electrolytic capacitor series: LINK

Standard Grade = -40°C ~ +85°C

Endurance - Lifetime Estimation Table (+85°C Rated Products)

Operating
Temperature

Load Life Estimation (Hours)

5000 hrs
@ +85°C

4000 hrs
@ +85°C

3000 hrs
@ +85°C

2000 hrs
@ +85°C

1000 hrs
@ +85°C

+85°C

5000 hrs

4000 hrs

3000 hrs

2000 hrs

1000 hrs

+75°C

10,000 hrs

8000 hrs

6000 hrs

4000 hrs

2000 hrs

+65°C

20,000 hrs

16,000 hrs

12,000 hrs

8000 hrs

4000 hrs

+55°C

40,000 hrs

32,000 hrs

24,000 hrs

16,000 hrs

8000 hrs

+45°C

80,000 hrs

64,000 hrs

48,000 hrs

32,000 hrs

16,000 hrs

Extended Temperature & Life = -55°C ~ +105°C

Endurance - Lifetime Estimation Table (+105°C Rated Products)

Operating
Temperature

Load Life Estimation (Hours)

12,000 hrs
@ +105°C

10,000 hrs
@ +105°C

7000 hrs
@ +105°C

5000 hrs
@ +105°C

3000 hrs
@ +105°C

2000 hrs
@ +105°C

1000 hrs
@ +105°C

+105°C

12,000 hrs

10,000 hrs

7000 hrs

5000 hrs

3000 hrs

2000 hrs

1000 hrs

+95°C

24,000 hrs

20,000 hrs

14,000 hrs

10,000 hrs

6000 hrs

4000 hrs

2000 hrs

+85°C

48,000 hrs

40,000 hrs

28,000 hrs

20,000 hrs

12,000 hrs

8000 hrs

4000 hrs

+75°C

96,000 hrs

80,000 hrs

56,000 hrs

40,000 hrs

24,000 hrs

16,000 hrs

8000 hrs

+65°C

> 15 years

112,000 hrs

80,000 hrs

48,000 hrs

32,000 hrs

16,000 hrs

+55°C

> 15 years

96,000 hrs

64,000 hrs

32,000 hrs

+45°C

> 15 years

128,000 hrs

64,000 hrs

Special Temperature Ratings = -55°C ~ +125°C

Special Temperature Ratings
-55°C ~ +135°C

Special Temperature Ratings
-55°C ~ +150°C

Endurance - Lifetime Estimation Table
(+125°C Rated Products)

Endurance - Lifetime
Estimation Tables
(+135°C & +150°C Rated Products)

Operating
Temperature

Load Life Estimation (Hours)

2000 hrs
@ +125°C

1500 hrs
@ +125°C

1000 hrs
@ +125°C

Operating
Temperature

2000 hrs
@ +135°C

Operating
Temperature

1000 hrs
@ +150°C

+125°C

2000 hrs

1500 hrs

1000 hrs

+135°C

2000 hrs

+150°C

1000 hrs

+115°C

4000 hrs

3000 hrs

2000 hrs

+125°C

4000 hrs

+140°C

2000 hrs

+105°C

8000 hrs

6000 hrs

4000 hrs

+115°C

8000 hrs

+130°C

4000 hrs

+95°C

16,000 hrs

12,000 hrs

8000 hrs

+105°C

16,000 hrs

+120°C

8000 hrs

+85°C

32,000 hrs

24,000 hrs

16,000 hrs

+95°C

32,000 hrs

+110°C

16,000 hrs

+75°C

64,000 hrs

48,000 hrs

32,000 hrs

+85°C

64,000 hrs

+105°C

22,627 hrs

+65°C

128,000 hrs

96,000 hrs

64,000 hrs

+75°C

128,000 hrs

+95°C

45,250 hrs

+55°C

> 15 years

128,000 hrs

+65°C

> 15 years

+85°C

90,500 hrs

+45°C

> 15 years

≤ +55°C

> 15 years

≤ +75°C

> 15 years

16,000 hours = 1.83 years	64,000 hours = 7.31 years
24,000 hours = 2.74 years	96,000 hours = 11.0 years
32,000 hours = 3.65 years	128,000 hours = 14.6 years
48,000 hours = 5.48 years	>132,000 hours = >15 years

Compare Temperature and Lifetime Ratings of NIC aluminum electrolytic capacitor series: LINK

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3. Determine capacitance value (uF) needed and voltage (VDC) rating required

    Examples: 1200uF @ 16VDC (or higher) - or - 330uF @ 50VDC (or higher)

Standard Values & Ratings in BLACK \| Series Specific Values & Ratings in GREY
Capacitance Values	3-Digit Part Number Code	Capacitance Values	3-Digit Part Number Code	Voltage Ratings
0.47uF	R47	1500uF	152	2.0VDC	2.5VDC
1.0uF	1R0	2200uF	222	4VDC
2.2uF	2R2	2700uF	272	6.3VDC
3.3uF	3R3	3300uF	332	10VDC
4.7uF	4R7	3900uF	392	16VDC
10uF	100	4700uF	472	25VDC
22uF	220	5600uF	562	35VDC
33uF	330	6800uF	682	50VDC
47uF	470	10,000uF	103	63VDC
68uF	680	12,000uF	123	80VDC
100uF	101	15,000uF	153	100VDC
150uF	151	18,000uF	183	160VDC	350VDC
220uF	221	22,000uF	223	200VDC	385VDC
330uF	331	33,000uF	333	220VDC	400VDC
470uF	471	47,000uF	473	250VDC	420VDC
680uF	681	56,000uF	563	315VDC	450VDC
1000uF	102	68,000uF	683
1200uF	122	82,000uF	823

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4. Compare characteristics of different products, per circuit application requirements

Use below table as guide when comparing alternate product series or alternate part numbers

Capacitor Characteristics:
	Capacitance Value (uF) Higher capacitance value is common substitute	Dissipation Factor - Loss Tangent (%) Lower DF (Tan δ) value is common substitute
	Voltage Rating (VDC) Higher voltage rating (VDC) is common substitute	ESR - Equivalent Series Resistance & Z - Impedance (ohm) Lower ESR or impedance is common substitute
	Ripple (AC) Current Rating (mArms) Higher current rating is common substitute	Leakage Current (uA) Lower leakage current is common substitute
Operating Temperature Range (°C) Wider temperature range is common substitute
	Reflow Soldering Heat Rating (°C & Time): Surface Mount (SMT) Types Higher reflow soldering heat rating is a common substitute ... Reflow Soldering Heat Limits: Series & Size

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Samples, Quotes, Catalogs, Help & Questions

Order FREE samples on-line at link Electrolytic Capacitors Catalog
Download PDF Version

Request a printed version: LINK

Request a quote via NIC sales channel

Find available inventory for immediate purchase: link

Request technical support: link

Have a question?

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Life Time Ratings: By NIC Product Series Table

Use below table in selecting NIC aluminum electrolytic capacitor product series by load life ratings

Load Life Endurance Ratings By Series & Type = SMT V-Chip \| = SMT Flat Chip \| Hybrid Construction \| Solid Polymer = Radial Leaded LDD \| = Leaded LDD Snap-In & Screw Terminal
Maximum Temperature Rating	Load Life Rating	NIC Series (PDF)	Type		Temp. Range	Type / Voltage Ratings

+150°C	1000 Hrs	NRE-WX		LDD	-40 ~ +150°C	Special Temp / 10 - 63VDC

+135°C	2000 Hrs	NSPE-Y		SMT	-55 ~ +135°C	Hybrid Low ESR / Special Temp 25 - 63VDC

+125°C	3000 Hrs 1500 Hrs	NSPE-T		SMT	-55 ~ +125°C	Hybrid Low ESR / Special Temp 25 - 63VDC
+125°C	2000 Hrs	NSPE-U		SMT	-55 ~ +125°C	Hybrid Low ESR / Special Temp 6.3 - 16VDC
+125°C	2000 Hrs 1500 Hrs 1000 Hrs	NATT		SMT	-40 ~ +125°C	Special Temp / 6.3 - 100VDC
+125°C	2000 Hrs	NATK		SMT	-40 ~ +125°C	Special Temp / 16 - 35VDC
+125°C	2000 Hrs 1000 Hrs	NRWX		LDD	-55 ~ +125°C	Special Temp / 10 - 50VDC

+105°C	12,000 Hrs 10,000 Hrs	NRBX		LDD	-25 ~ +105°C	Long Life / 160 - 450VDC

+105°C	10,000 Hrs 7000 Hrs 5000 Hrs	NSPE-H		SMT	-55 ~ +105°C	Hybrid Low ESR / 10Khrs SMT 25 - 100VDC
+105°C	10,000 Hrs 7000 Hrs	NAZV		SMT	-25 ~ +105°C	10Khrs SMT 6.3 - 50VDC
+105°C	10,000 Hrs	NRGB		LDD	-25 ~ +105°C	10Khrs All Sizes / 10 - 100VDC
+105°C	10,000 Hrs 8000 Hrs 6000 Hrs	NRSH		LDD	-40 ~ +105°C	Low ESR / 6.3 - 50VDC
+105°C	10,000 Hrs 8000 Hrs 7000 Hrs 6000 Hrs 5000 Hrs 4000 Hrs	NRE-HL		LDD	-40 ~ +105°C	Low ESR / 6.3 - 100VDC
+105°C	10,000 Hrs 8000 Hrs 7000 Hrs 5000 Hrs 4000 Hrs 2000 Hrs	NRE-FL		LDD	-40 ~ +105°C	Low ESR / 6.3 - 250VDC
+105°C	10,000 Hrs 8000 Hrs 5000 Hrs	NRB-XS		LDD	-25 ~ +105°C	High RC Rated / 160 - 450VDC

+105°C	7000 Hrs 5000 Hrs 4000 Hrs 3000 Hrs 2000 Hrs	NRSZC		LDD	-55 ~ +105°C	Low ESR / 6.3 - 35VDC
+105°C	7000 Hrs 5000 Hrs 3000 Hrs 2500 Hrs 1000 Hrs	NRSX		LDD	-55 ~ +105°C	Low ESR / 6.3 - 50VDC

+105°C	5,000 Hrs 3000 Hrs	NSPE-S		SMT	-55 ~ +105°C	Hybrid Low ESR / 10Khrs SMT 6.3 - 16VDC
+105°C	5000 Hrs 2000 Hrs	NAZT		SMT	-55 ~ +105°C	Low ESR 5K hrs ≥8mm / 6.3 - 100VDC
+105°C	5000 Hrs 2000 Hrs	NACK		SMT	-55 ~ +105°C	Low ESR 5K hrs ≥12mm / 6.3 - 100VDC
+105°C	5000 Hrs	NAWU		SMT	-40 ~ +105°C	6.3mm Height / 6.3 - 50VDC
+105°C	5000 Hrs	NACZF		SMT	-40 ~ +105°C	Large Sizes Low ESR / 6.3 - 100VDC
+105°C	5000 Hrs 4000 Hrs 3000 Hrs	NACVF		SMT	-40 ~ +105°C	High Voltage / 160 - 450VDC
+105°C	5000 Hrs 3000 Hrs	NACC		SMT	-40 ~ +105°C	Reduced Sizes / 6.3 - 50VDC
+105°C	5000 Hrs 3000 Hrs 2000 Hrs	NRSZ		LDD	-55 ~ +105°C	Legacy Low ESR / 6.3 - 100VDC
+105°C	5000 Hrs 4000 Hrs 3000 Hrs 2000 Hrs	NRSG		LDD	-40 ~ +105°C	Low ESR / 6.3 - 100VDC
+105°C	5000 Hrs	NSTLW		LDD	-25 ~ +105°C	Screw Terminal / 350 - 450VDC

+105°C	4000 Hrs 3000 Hrs 2000 Hrs	NRSK		LDD	-40 ~ +105°C	Low ESR / 6.3 - 16VDC

+105°C	3000 Hrs	NAZU		SMT	-40 ~ +105°C	Low ESR / 6.3 - 50VDC
+105°C	3000 Hrs 2000 Hrs 1000 Hrs	NRWY		LDD	-55 ~ +105°C -40 ~ +105°C -25 ~ +105°C	Wide Range / 6.3 - 450VDC
+105°C	3000 Hrs 2000 Hrs 1000 Hrs	NRSY		LDD	-55 ~ +105°C	Low ESR / 6.3 - 50VDC
+105°C	3000 Hrs	NRLRW		LDD	-40 ~ +105°C	Snap-In / 10 - 450VDC

+105°C	2000 Hrs	NPC		SMT	-55 ~ +105°C	Solid Polymer Low ESR / 2 - 8VDC
+105°C	2000 Hrs 1000 Hrs	NACEW		SMT	-55 ~ +105°C	Industry Standard / 6.3 - 100VDC
+105°C	2000 Hrs 1000 Hrs	NACZ		SMT	-50 ~ +105°C	Legacy Low ESR / 6.3 - 50VDC
+105°C	2000 Hrs	NAZK		SMT	-55 ~ +105°C	High Reflow Low ESR / 6.3 - 35VDC
+105°C	2000 Hrs 1000 Hrs	NACY		SMT	-55 ~ +105°C	Low ESR / 6.3 - 100VDC
+105°C	2000 Hrs	NAWT		SMT	-55 ~ +105°C	High Reflow Rated / 6.3 - 50VDC
+105°C	2000 Hrs 1000 Hrs	NACV		SMT	-40 ~ +105°C	High Voltage / 160 - 400VDC
+105°C	2000 Hrs	NACH		SMT	-40 ~ +105°C	6.3mm Height / 4 - 50VDC
+105°C	2000 Hrs 1000 Hrs	NRWA		LDD	-55 ~ +105°C	Industry Standard / 6.3 - 100VDC
+105°C	2000 Hrs 1000 Hrs	NRWS		LDD	-55 ~ +105°C	Reduced Size / 6.3 - 100VDC
+105°C	2000 Hrs 1000 Hrs	NRWP		LDD	-55 ~ +105°C	Reduced Size / 6.3 - 100VDC
+105°C	2000 Hrs	NRSJ		LDD	-25 ~ +105°C	Low ESR / 6.3 - 50VDC
+105°C	2000 Hrs 1000 Hrs	NRE-HW		LDD	-40 ~ +105°C	Reduced Size / 160 - 450VDC
+105°C	2000 Hrs	NRE-HS		LDD	-55 ~ +105°C	Extended Values / 6.3 - 450VDC
+105°C	2000 Hrs	NRLMW		LDD	-40 ~ +105°C	Snap-In / 10 - 450VDC
+105°C	2000 Hrs	NRLFW		LDD	-40 ~ +105°C	Snap-In Low Profile / 16 - 400VDC

+105°C	1000 Hrs	NSP		SMT	-40 ~ +105°C	Solid Polymer Low ESR / 2 - 16VDC
+105°C	1000 Hrs	NAWE		SMT	-55 ~ +105°C	High Reflow Rated / 6.3 - 50VDC
+105°C	1000 Hrs	NACX		SMT	-55 ~ +105°C	5.5mm H Low ESR / 6.3 - 63VDC
+105°C	1000 Hrs	NACNW		SMT	-55 ~ +105°C	Non-Polar / 6.3 - 50VDC
+105°C	1000 Hrs	NSRZ		LDD	-55 ~ +105°C	5.5mm H Low ESR / 6.3 - 35VDC
+105°C	1000 Hrs	NSRW		LDD	-55 ~ +105°C	5mm Height / 6.3 - 50VDC
+105°C	1000 Hrs	NRE-SX		LDD	-55 ~ +105°C	7mm H Low ESR / 6.3 - 35VDC
+105°C	1000 Hrs	NRE-SW		LDD	-55 ~ +105°C	7mm Height / 6.3 - 50VDC
+105°C	1000 Hrs	NRE-LW		LDD	-40 ~ +10°C5	Low Profile / 10 - 100VDC

+85°C	5000 Hrs	NSTL		LDD	-25 ~ +85°C	Screw Terminal / 350 - 450VDC

+85°C	4000 Hrs	NLE-L		LDD	-40 ~ +85°C	Low Leakage Current / 10 - 50VDC

+85°C	3000 Hrs	NREL		LDD	-40 ~ +85°C	Low Profile / 6.3 - 100VDC
+85°C	3000 Hrs	NRLR		LDD	-40 ~ +85°C	Snap-In / 10 - 450VDC

+85°C	2000 Hrs	NACE		SMT	-40 ~ +85°C	Industry Standard / 4 - 100VDC
+85°C	2000 Hrs	NASE		SMT	-40 ~ +85°C	High Reflow Rated / 6.3 - 50VDC
+85°C	2000 Hrs	NACS		SMT	-40 ~ +85°C	5.5mm Height / 6.3 - 50VDC
+85°C	2000 Hrs	NACL		SMT	-40 ~ +85°C	Low Leakage Current / 6.3 - 50VDC
+85°C	2000 Hrs	NACEN		SMT	-40 ~ +85°C	Non-Polar / 6.3 - 50VDC
+85°C	2000 Hrs	NRSA		LDD	-40 ~ +85°C	Industry Standard / 6.3 - 100VDC
+85°C	2000 Hrs	NRSS		LDD	-40 ~ +85°C	Reduced Size / 6.3 - 100VDC
+85°C	2000 Hrs	NRE-H		LDD	-40 ~ +85°C	High Voltage / 160 - 450VDC
+85°C	2000 Hrs	NRE-LX		LDD	-40 ~ +85°C -25 ~ +85°C	Reduced Size / 6.3 - 450VDC
+85°C	2000 Hrs	NRE-LS		LDD	-40 ~ +85°C	Low Profile / 6.3 - 50VDC
+85°C	2000 Hrs	NNR		LDD	-40 ~ +85°C	Non-Polar / 10 - 100VDC
+85°C	2000 Hrs	NRLM		LDD	-40 ~ +85°C	Snap-In / 16 - 450VDC
+85°C	2000 Hrs	NRLF		LDD	-40 ~ +85°C	Snap-In Low Profile / 16 - 450VDC

+85°C	1000 Hrs	NACP		SMT	-40 ~ +85°C	4.6mm Height / 4 - 50VDC
+85°C	1000 Hrs	NSR		LDD	-40 ~ +85°C	5mm Height / 4 - 50VDC
+85°C	1000 Hrs	NRE-S		LDD	-50 ~ +85°C	7mm Height / 6.3 - 63VDC
+85°C	1000 Hrs	NLE-S		LDD	-40 ~ +85°C	5mm Low Leakage / 10 - 50VDC
+85°C	1000 Hrs	NLE		LDD	-40 ~ +85°C	7mm Low Leakage / 6.3 - 50VDC
+85°C	1000 Hrs	NRE-SN		LDD	-40 ~ +85°C	7mm H Non-Polar / 6.3 - 50VDC
+85°C	1000 Hrs	NSRN		LDD	-40 ~ +85°C	Non-Polar / 6.3 - 50VDC

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