NEXM Series
Memory Back-Up Capacitors
FEATURES
• DOUBLE LAYER CONSTRUCTION
• POWER BACK-UP FOR CMOS RAM
(UP TO 50μA DISCHARGE CURRENT)
• TAPE AND BOX PACKAGING
• SUITABLE FOR FLOW SOLDERING
• LEAD-FREE FINISH
RoHS
Compliant
includes all homogeneous materials
*See Part Number System for Details
CHARACTERISTICS
Rated Voltage Range
Rated Capacitance Range
Operating Temp. Range
Capacitance Tolerance
3.5 ~ 6.5VDC
Suppeerr CCaappaacciittoorr
Appplliiccaattiioonn GGuuiiddee
0.01F ~ 0.22F (10,000μF ~ 220,000μF)
-25°C ~ +70°C
+80%/-20% (Z)
Δ Capacitance Change
Maximum ESR
Less than ±30% of initial measured value
Less than 200% of the specified maximum value
Less than 200% of the specified maximum value
Within +80%/-20% of specified value
Load Life Test @ 70°C
1,000 hours
Current at 30 minutes
Δ Capacitance Change
Maximum ESR
Temperature Cycling
(5 cycles, -25 ~ +70°C
Less than specified maximum value
Current at 30 minutes
Δ Capacitance Change
Maximum ESR
Less than specified maximum value
Less than ±20% of initial measured value
Less than 120% of the specified maximum value
Humidity Resistance
(240 hours @ 40°C/90% RH)
Current at 30 minutes
Less than 120% of the specified maximum value
STANDARD VALUES AND SPECIFICATIONS
Capacitance Value (F)
Charge Discharge
Rated Voltage
(VDC)
Max. Current @ Max. ESR @
NIC P/N
30 minutes (mA)
1KHz (Ω)
NEXM473Z3.5V10.5X5TBF
NEXM104Z3.5V10.5X5TBF
NEXM224Z3.5V10.5X6.5TBF
NEXM103Z5.5V10.5X5TBF
NEXM223Z5.5V10.5X5TBF
NEXM473Z5.5V10.5X5TBF
NEXM104Z5.5V10.5X6.5TBF
NEXM224Z5.5V10.5X6.5TBF
NEXM473Z6.5V10.5X6.5TBF
0.047
0.100
0.220
0.010
0.022
0.047
0.100
-
0.060
0.130
0.300
0.014
0.028
0.060
0.130
0.220
0.062
3.5
3.5
3.5
5.5
5.5
5.5
5.5
5.5
6.5
0.042
200
0.090
100
0.200
100
0.015
300
0.033
200
0.071
200
0.150
100
0.330
100
0.047
0.085
200
CASE DIMENSIONS (mm)
L ± 0.5
T ± 0.5
Polarity
Marking (-)
DIMENSIONS (mm)
NIC P/N
L
H
S
T
NEXM473Z3.5V10.5X5TBF
NEXM104Z3.5V10.5X5TBF
NEXM224Z3.5V10.5X6.5TBF
NEXM103Z5.5V10.5X5TBF
NEXM223Z5.5V10.5X5TBF
NEXM473Z5.5V10.5X5TBF
NEXM104Z5.5V10.5X6.5TBF
NEXM224Z5.5V10.5X6.5TBF
NEXM473Z6.5V10.5X6.5TBF
5.0
5.0
6.5
5.0
5.0
5.0
6.5
6.5
6.5
H ± 0.5
223
5.5V
- K1
0.4
10.5 11.5
5.0
+
0.5 ± 0.1
5.0 ± 1.0
0.4 ± 0.1
S ± 0.5
Please review the notes on correct use, safety and precautions 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
NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
1
SPECIFICATIONS ARE SUBJECT TO CHANGE