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Seiko Instruments Electronic Components Datasheet

XH414HG Datasheet

Capacitor

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XH Capacitor
Pb-free reflowable
XH311HG/XH311HU/XH414HG
FEATURES
The XH series capacitor has a better discharge characteristic
above 3V. It is an environmentally friendly product that
is reflow mounted by Pb-free soldering. It features high
capacity, and long-term reliability, as well as a wide operating
voltage range. It is thus suitable for backup power supply
of clock and memory functions on mobile and information
devices.
• Pb-free reflowable:
Superior heat resistance (260°C peak) allows reflow
soldering by Pb-free solder
• Wide operating voltage range from 0V to 3.3V
• High capacity: 0.08F with “414” size
• Long Cycle Life:
At least 10,000 times of charge/discharge
• Simple charging circuit (constant voltage charging)
• Wide operating temperature range:
Operating temperature range: −20°C to +60°C
For using the battery at a temperature out of the above
temperature range, please consult us.
• RoHS Compliant
APPLICATIONS
Backup power supply for memory and clock functions of
smartphone, tablet, cellphone, PHS, cordless phone, digital
still camera, game machine, and printer, etc.
SPECIFICATIONS
Type
Electrical Specifications (Normal Temperature)*1
Maximum Use
Voltage (V)
Capacitance (F)
Internal Impedance*2
()
Size
Diameter
(mm)
Height
(mm)
XH311HG
XH311HU
XH414HG
3.3 0.02 300 3.8 1.1
3.3 0.035 150 3.8 1.1
3.3 0.08 100 4.8 1.4
*1. Normal temperature: 23°C ± 3°C. Electrical characteristics and aging degradation of the products depend on temperature.
*2. Value measured using AC (Alternating Current) method at the discharged state.
Weight
(g)
0.04
0.04
0.06
<APPLICATION NOTES>
Prohibition ripple charging
A ripple (high frequency fluctuation of
voltage) in the charge voltage extremely
lowers the capacitor performance.
Be sure to charge capacitors with a
stable voltage.
Charge voltage
The age deterioration of the capacitor
depends on the charge voltage.
The age deterioration is accelerated as
charge voltage goes higher.
Usage environment
Aging degradation of the capacitor varies
depending on the usage environment
(temperature and humidity).
Contact us for further details.
CHARACTERISTICS
Charge/discharge characteristics
XH311HG
XH311HU
3.5 3.5
3.0
Charge
3.0
2.5 2.5
Charge: max. 500µA/3.3V/1hour/RT
2.0
(CC/CV)
2.0
1.5
Discharge: 5µA/c.o.v.= 0V (CC)
1.5
1.0
Discharge
0.5
1.0
0.5
0.0
0
5 10 15 20 25 30 0.00
Capacity (μAh)
10
*c.o.v.…Cut off Voltage
XH414HG
3.5
Charge
Charge: max. 500µA/3.3V/5hours/RT
(CC/CV)
Discharge: 5µA/c.o.v.= 0V (CC)
3.0
2.5
2.0
1.5
1.0
Discharge
0.5
20 30
Capacity (µAh)
40
50
0.0
0
20
Charge
Charge: max. 500µA/3.3V/5hours/RT
(CC/CV)
Discharge: 20µA/c.o.v.= 0V (CC)
Discharge
40 60
Capacity (µAh)
80 100
16 Micro Battery 2016


Seiko Instruments Electronic Components Datasheet

XH414HG Datasheet

Capacitor

No Preview Available !

XH Capacitor
CHARACTERISTICS
XH414HG
35
30
25
20
15
10
5
0
0
Charge Time Characteristics
Charge: Constant current/constant voltage
max. 500µA/3.3V/** hours/RT
Discharge: Constant current 10µA/c.o.v. = 2.0V
10 20 30
Time (hours)
40
Pb-free reflowable
120
100
80
60
40
20
0
0
Discharge Current Characteristics
Charge: Constant current/constant voltage
max. 500µA/3.3V/5 hours/RT
Discharge: Constant current **µA/c.o.v. = 2.0V
20 40 60 80
Discharge current (µAh)
100
Temperature Characteristics
120
100
80
60
40
20
0
–40
Charge: Constant current/constant voltage
max. 500µA/3.3V/5 hours/RT
Discharge: Constant current 10µA/c.o.v. = 2.0V
–20 0 20 40 60 80
Temperature (°C)
REFLOW SOLDERING CONDITIONS
Reflow Profile Example
Peak Temperature
250
200
150
100 Time above 200°C
50
0
0 50 100 150 200 250 300
Time (seconds)
The times of repeated reflow soldering must be two times or less.
The Temperature must be measured at top of the cell.
Float-Charge Characteristics (60ºC, 50%RH)
120
100
80
60
40
20
0
0
Storage condition: 60°C/50%RH/3.3V applied
[Capacity measurement conditions]
Charge: Constant current/Constant voltage
max. 500μA/3.3V/5hours/RT
Discharge: Constant current 10μA/c.o.v.= 2.0V
7 14 21 28 35
Float Charge Period (days)
42
Recommended Reflow Condition
270
The peak temperature is within five seconds.
260
250
240
230
220
0
10 20 30 40 50 60
Time above 200°C (seconds)
Max.260°C (within 5 seconds)
70
Micro Battery 2016
17


Part Number XH414HG
Description Capacitor
Maker Seiko
Total Page 4 Pages
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