HB Lithium Rechargeable Battery
HB414
FEATURES
3V Pb-free Reflowable
HB lithium rechargeable batteries are environment-friendly
rechargeable batteries that can be reflowed (automatic
mounting by Pb-free soldering) with lead-free solder.
Pb-free reflow mounting is achieved by a reinforced heat-
resistant structure.
The HB414 features high capacity and a long cycle life
with a wide charge voltage range.
• Pb-free reflowable:
Superior heat resistance (260°C peak) allows reflow
mounting by Pb-free solder.
• Wide charge voltage range:
Wide charge voltage range allows use with various
applications (2.5V to 3.3V).
• High Capacity:
0.3mAh typ. (charge voltage: 3V, cut off: 1.2V)
• Long cycle life:
1,000 cycles or more (10% D.O.D.)
• Excellent overdischarge characteristics
• Wide range of operating temperatures:
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
cellphone, PHS, cordless phone, digital camera, PDA, MD
player, game machine, etc.
SPECIFICATIONS
Nominal
Voltage
(V)
Charge Voltage
*3
(V)
Standard Charge/
Nominal Capacity Internal
(Voltage Range V) Impedance
*1
Discharge Current
(mA)
(Ω)
(mAh)
0.3 (3.0 to 1.2)
HB414
3.0
2.5 to 3.3
0.2 (2.5 to 1.2)
0.14 (3.3 to 2.0)
Type
Cycle Life
*2
(Time)
*4
Diameter Height Weight
(mm) (mm)
(g)
280
0.005
1000 (10% D.O.D.)
100 (100% D.O.D.)
4.8
1.4
0.07
*1. Value measured using AC (Alternating Current) method in the fully charged state.
*2. Counts of charge and discharge repetition that maintains about 50% of the minimum guaranteed capacity
*3. A constant voltage charge is recommended, but due to a limit in charge current, it is necessary to insert a resistor to regulate charge
current.
Please contact us for further details.
If a constant current charge is required, please contact us for more information.
*4. D.O.D. : Depth of Discharge
CHARACTERISTICS
3.3V Charge and discharge curve
3.5
3.0
3.5
3.0
3.0V Charge and discharge curve
3.5
3.0
2.5V Charge and discharge curve
Voltage [V]
Voltage [V]
2.0
1.5
1.0
0.5
Charge : 3.3V/max25μA/30hr/RT (CC/CV)
Discharge : 5μA/c.o.v. = 2.0V (CC)
Voltage [V]
2.5
2.5
2.0
1.5
1.0
0.5
Charge : 3.0V/max25μA/30hr/RT (CC/CV)
Discharge : 5μA/c.o.v. = 1.2V (CC)
2.5
2.0
1.5
1.0
0.5
Charge : 2.5V/max25μA/30hr/RT (CC/CV)
Discharge : 5μA/c.o.v. = 1.2V (CC)
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
Capacity [mAh]
Capacity [mAh]
Capacity [mAh]
10
Micro Battery 2007-2008
HB Lithium Rechargeable Battery
CHARACTERISTICS
Charge/Discharge Cycle Characteristics
0.20
5μA Discharge/25μA, 30hr Charge
3V Pb-free Reflowable
High Temperature Storage Characteristics (60°C)
4.0
2nd Discharge Curves
Capacity [mAh]
0.15
3.0
0.10
Voltage [V]
initial
2.0
0.05
after 100days
20μA Discharge/500μA, 5hr Charge
0.00
0
20
40
60
80
100
1.0
0.00
0.05
0.10
Capacity [mAh]
0.15
0.20
Cycle Number [times]
REFLOW SOLDERING CONDITIONS
Reflow Profile Example
270
250
200
150
100
50
0
0
Time above 200°C
The peak temperature is within five seconds.
Recommended Reflow Conditions
Peak temperature (°C)
260
250
240
230
220
Temperature (°C)
50
100
150
200
250
300
0
10
20
30
40
50
60
70
Time (seconds)
The times of repeated reflow soldering must be two times or less.
The Temperature must be measured at top of the cell.
Time above 200°C (seconds)
Max. 260
°C
(within 5 seconds)
STANDARD TERMINALS
HB414 II06E
4.35
φ
4.8max.
HB414 IV02E
45˚
2.6
HB414 IV01E
45˚
2.6
5.9
2.7
1.7
2.4
2.4
φ
4.8 max.
2.7
2.4
2.4
2.7
2.5
φ
4.8max.
4.1
7.4
Recommended board layout
(Tolerance±0.05)
0.5
±
0.2
2.7
5.9
Recommended board layout
(Tolerance±0.05)
4.1
Recommended board layout
(Tolerance±0.05)
1.7
1.85 max.
0.2
+0.1
0
(Sn plated portion)
0.1
±
0.02
1.67
±
0.1
(Sn plated
portion)
1.85 max.
0.2
+0.1
0
1.85max.
1
±
0.5
0.1
±
0.02
0.8
±
0.5
(Sn plated portion)
1.67
±
0.1
2.4
±
0.2
7.1
±
0.2
1
±
0.2
1.5
±
0.2
0.1
±
0.02
3.5
±
0.1
2.4
±
0.2
2
±
0.1
3
±
0.1
3.5
±
0.1
2.4
±
0.2
1.24
2.9
±
0.2
(Sn plated portion)
1.1
±
0.5
1
±
0.5
(Sn plated
portion)
1.24
2.9
±
0.2
1.24
2.4
±
0.2
- Please contact Seiko Instruments Inc. for batteries with terminals other than the above shapes.
- Units: mm
- The hatched parts are tin plated (Sn: 100%).
1.24
2.4
±
0.2
2.4
±
0.2
0.8
±
0.5
1
±
0.1
1
±
0.1
Micro Battery 2007-2008
(Sn plated portion)
1.67
±
0.1
0.5
±
0.5
1.1
±
0.1
1.1
±
0.1
0.2
+0.1
0
5.4
1.5
1.5
3.5
11
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