(1/2)
001-01 / 20011102 / e532_rlf12560.fm
Inductors
For Power Line
SMD
Accompaning large current power supplies, these inductors have
secured efficient characteristics by improving its magnetic circuit
based on existing products. These products meet resistance
reducing and current enlargement.
FEATURES
• Comparing with existing products(RLF12545), DC current
superimposition characteristic have improved. Especially,
inductance rises about 10% in spite of high temperature at
100°C. In addition, inductance have risen about 30% at normal
temperature.
• Using flat-squere wire for winding, that is rising space factor,
these inductors can reduce current resistance and suppress cal-
orific value.
• Forming internal gap, their structure suppress outgoing mag-
netic flux leakage.
• Completely Pb free for both inside of products and terminal elec-
trodes.
APPLICATIONS
• Choke coils in power circuit of personal computers, crystal liquid
television monitors, set top boxes, amusement equipments, etc.
SPECIFICATIONS
Type
RLF12560
Operating temperature range
Storage temperature range
[Including self-temperature rise] [Unit of products]
–20 to +105°C
–40 to +105°C
RLF Series RLF12560 Type
PRODUCT IDENTIFICATIONS
RLF 12560 T- 1R0 N 140
(1)
(2) (3) (4) (5) (6)
(1) Series name
(2) Dimensions L
×
W
×
T
12560
12.5
×
12.5
×
6.0mm
(3) Packaging style
T
Taping(reel)
(4) Inductance value
1R0
100
1
µ
H
10
µ
H
(5) Inductance tolerance
M
N
±20%
±30%
(6) Rated current
8R2
140
8.2A
14.4A
PACKAGING STYLE AND QUANTITIES
Packaging style
Taping
Type
RLF12560T
Quantity
500 pieces/reel
RECOMMENDED REFLOW SOLDERING CONDITIONS
10s
260±3˚C
230˚C min.
Natural
cooling
165±15˚C
120s
Preheating
Time(s)
30s
120s min.
• All specifications are subject to change without notice.
(2/2)
001-01 / 20011102 / e532_rlf12560.fm
Inductors
For Power Line
SMD
RLF Series RLF12560 Type
SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PATTERN
12.8±0.5
Terminal
electrode
3.2
12.5±0.5
3.5±0.2
3.5±0.2
7.5
3.2
100
Dimensions in mm
Winding start mark
6.0max.
2.5±0.2
(7.8)
2.5±0.2
ELECTRICAL CHARACTERISTICS
Inductance
(
µ
H)
1.0
1.9
2.7
4.2
5.6
7.8
10
Inductance tolerance
(%)
±30
±30
±30
±30
±30
±30
±20
Test frequency L
(kHz)
100
100
100
100
100
100
100
DC resistance
(m
Ω
)±20%
2.8
3.6
4.5
7.4
8.5
10.2
12.4
Rated current(A)
Based on inductance
change
18.5 max.
15.6 max.
14.4 max.
10.2 max.
9.7 max.
8.2 max.
7.5 max.
Based on
temperature rise
14.4 typ.
12.7 typ.
11.5 typ.
10.0 typ.
9.2 typ.
8.4 typ.
7.8 typ.
Part No.
RLF12560T-1R0N140
RLF12560T-1R9N120
RLF12560T-2R7N110
RLF12560T-4R2N100
RLF12560T-5R6N9R2
RLF12560T-7R8N8R2
RLF12560T-100M7R5
∗
Rated current: Value obtained when current flows and the temperature has risen to 40°C or when DC current flows and the initial value of inductance has
fallen by 50%, whichever is smaller.
• Test equipment Inductance: YHP 4194A IMPEDANCE GAIN/PHASE ANALYZER, or equivalent
DC resistance: DIGITAL MILLIOHM METER VP-2941A MATSUSHITA, or equivalent
10
5R6N
4R2N
2R7N
1R9N
Inductance(µH)
100M
7R8N
LX
1
1R0N
0.1
0.1
1
10
DC current(A)
100
• All specifications are subject to change without notice.
LCR meter
TYPICAL ELECTRICAL CHARCTERISTICS
INDUCTANCE CHANGE vs. DC SUPERPOSITION
CHARACTERISTICS
MEASURING CIRCUIT
Test circuit L=0.1H C=20000µF
A
4
Microcontroller MCU
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