(2/2)
SHAPES AND DIMENSIONS/CIRCUIT DIAGRAM/RECOMMENDED PC BOARD PATTERN
2.0±0.10
1.25±0.10
0.80
0.80
• No polarity
1.25±0.10
1.00
2.60
0.80
0.45±0.15
0.45±0.15
Weight:15mg
Dimensions in mm
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Inductance
(µH)
1
2.2
4.7
10
22
47
100
∗1
∗2
∗3
Inductance tolerance
(%)
±20
±20
±20
±20
±20
±20
±20
DC resistance
(Ω)±30%
0.058
0.088
0.2
0.3
0.7
1.38
3
Rated current
∗1
(mA)max.
300
240
140
100
75
50
30
Rated current
∗2
(mA)max.
550
400
280
180
110
85
60
Rated current
∗3
(mA)max.
1150
900
600
500
300
230
160
Part No.
GLFR2012T1R0M-LR
GLFR2012T2R2M-LR
GLFR2012T4R7M-LR
GLFR2012T100M-LR
GLFR2012T220M-LR
GLFR2012T470M-LR
GLFR2012T101M-LR
Rated current based on inductance variation: Current when inductance decreases by 10% of the initial value due to direct current superimposed
characteristics
Rated current based on inductance variation: Current when inductance decreases by 30% of the initial value due to direct current superimposed
characteristics
Rated current based on increasing product temperature: Current when temperature of the product reaches +20°C
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. FREQUENCY CHARACTERISTICS
1000
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
1000
100
Inductance(
µH
)
Inductance(
µH
)
100µH
47µH
22µH
10µH
4.7µH
2.2µH
100
100µH
47µH
10
10
22µH
10µH
4.7µH
2.2µH
1
1.0µH
1
1.0µH
0.1
0.1
1
Frequency (MHz)
10
100
0.1
1
10
DC current(mA)
100
1000
IMPEDANCE vs. FREQUENCY CHARACTERISTICS
100000
DC SUPERPOSITION VS. INDUCTANCE DECREASING RATE
0
–5
10000
100µH
Impedance(
Ω
)
1000
22µH
100
10µH
10
4.7µH
2.2µH
1.0µH
47µH
Inductance decreasing rate(%)
–10
–15
–20
–25
–30
–35
–40
–45
100µH
47µH
22µH
10µH
4.7µH
2.2µH
1.0µH
1
0.1
1
Frequency (MHz)
10
100
–50
1
10
DC current(mA)
100
1000
• All specifications are subject to change without notice.
001-02 / 20061108 / e531_glfr2012.fm
TDK [ TDK ELECTRONICS ]
