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NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com

SPECIFICATIONS ARE SUBJECT TO CHANGE

V-Chip Memory Back-Up Capacitors

NEXCW Series

NIC P/N

Capacitance

Value (F)

Discharge

Working

Voltage

(VDC)

Max. Current

@ 30 minutes

(mA)

Max. ESR

@ 1KHz

(

Ω)

NEXCW104Z3.5V10.7X5.5TRF

0.10

3.5

0.090

100

NEXCW224Z3.5V10.7X5.5TRF

0.22

3.5

0.200

50

NEXCW474Z3.5V10.7X8.5TRF

0.47

3.5

0.420

50

NEXCW473Z5.5V10.7X5.5TRF

0.047

5.5

0.071

100

NEXCW104Z5.5V10.7X5.5TRF

0.10

5.5

0.150

50

NEXCW224Z5.5V10.7X8.5TRF

0.22

5.5

0.330

50

Rated Voltage Range

3.5 & 5.5VDC

Rated Capacitance Range

0.047F ~ 0.47F (47,000

μF ~ 470,000μF)

Operating Temp. Range

-40°C ~ +85°C

Capacitance Tolerance

+80%/-20% (Z)

Load Life Test

+85°C 240 hours

Δ Capacitance Change

Within ±30% of initial measured value

Maximum ESR

Less than 200% of the specified maximum value

Current at 30 minutes

Less than 200% of the specified maximum value

Temperature Cycling

(5 cycles, -25 ~ +70°C

Δ Capacitance Change

Within +80%/-20% of specified value

Maximum ESR

Less than specified maximum value

Current at 30 minutes

Less than specified maximum value

Humidity Resistance

(240 hours @ 40°C/90% RH)

Δ Capacitance Change

Within ±20% of initial measured value

Maximum ESR

Less than 120% of the specified maximum value

Current at 30 minutes

Less than 120% of the specified maximum value

FEATURES

• DOUBLE LAYER CONSTRUCTION

• POWER BACK-UP FOR CMOS DEVICES

• SURFACE MOUNTABLE V-CHIP STYLE

• LEAD-FREE FINISH

STANDARD VALUES AND SPECIFICATIONS

CHARACTERISTICS

RoHS Compliant

High Temperature Reflow

+260°C

Super Capacitor

Super Capacitor

Application Guide

Application Guide

PRECAUTIONS

WASHING is NOT RECOMMENDED. Additional precautions can be found at

www.niccomp.com/precautions

If in doubt or uncertainty, please review your specific application - process details

with NIC’s technical support personnel: tpmg@niccomp.com

HIGH TEMPERATURE REFLOW PROFILE

Peak Temperature

(260°C)

50

100

150

200

250

Time

Pre-heat

150°C ~ 200°C 150 sec. max.

25

0

Cool Down

70 sec. max.

Time above

217°C

Time above 170°C

50 sec. max.

1. The temperatures shown are the surface temperature values on the top of the can and on the capacitor terminals.

2. 2x reflow process maximum. Capacitor should be allowed to return to room temperature before second reflow process.

Peak Temperature

+260°C

Time above +255°C

10 sec. max.

Time above +230°C

45 sec. max.

Time above +220°C

60 sec. max.

Time above +217°C

70 sec. max.

150°C ~ +200°C

(with time above +170°C

50 sec. max.)

150 sec. max.