Multilayer Ferrite Chip Beads / QT Series
■
Feature
1. Monolithic inorganic material construction
2. Closed magnetic circuit avoide crosstalk
3. S.M.T. type
4. Suitable for flow and reflow soldering
5. Shapes and dimensions follow E.I.A. SPEC
6. Available in various sizes & 6 materials
7. Excellent soldering ability and heat resistance
8. High reliability
■
Application
Personal comprters,communication equipment,
digital telephone,electronic games machines,CRTs,
hard disk drives,cellular phones,PDAs,printers and
other computer peripheral products.
Suitable for I/O ports,DC power lines and signal
lines,and general circuits with unstable ground .
■
Product Identification
QT 1608 RL 120 - LF
1
2
3
4
5
1. Series name
2. Dimension. ( See Details )
3. Material.
4. Impedance. ( See Details )
5. Lead-Free part number.
■
Configurations & Dimensions
D
a
b
a
C
B
A
PCB Pattern
Series Name
QT1005
QT1608
QT2012
QT3216
QT3225
QT4516
QT4532
Unit: mm
c
A
1.0 ± 0.1
1.6 ± 0.15
2.0 ± 0.2
3.2 ± 0.2
3.2 ± 0.2
4.5 ± 0.2
4.5 ± 0.2
B
0.5 ± 0.1
0.8 ± 0.15
1.25 ± 0.2
1.6 ± 0.2
2.5 ± 0.2
1.6 ± 0.2
3.2 ± 0.2
C
0.5 ± 0.1
0.8 ± 0.15
0.85 ± 0.2
1.1 ± 0.2
1.3 ± 0.2
1.6 ± 0.2
1.5 ± 0.2
D
0.25 ± 0.1
0.3 ± 0.2
0.5 ± 0.3
0.5 ± 0.3
0.5 ± 0.3
0.5 ± 0.3
0.5 ± 0.3
a
0.8(REF)
0.8(REF)
1.0(REF)
1.1(REF)
1.1(REF)
1.5(REF)
1.65(REF)
b
0.5(REF)
0.5(REF)
1.0(REF)
2.2(REF)
2.2(REF)
2.7(REF)
2.57(REF)
c
0.55(REF)
0.55(REF)
1.0(REF)
1.4(REF)
3.4(REF)
1.4(REF)
4.22(REF)
Multilayer Ferrite Chip Beads / QT Series
■
Electrical Characteristics / QT1005
Part Number
QT1005RL030 __
QT1005RL060 __
QT1005RL120 __
QT1005RL150 __
QT1005RL220 __
QT1005RL300 __
QT1005RL470 __
QT1005RL600 __
QT1005ML060 __
QT1005ML120 __
QT1005ML220 __
QT1005ML300 __
Impedance
(
Ω
) ± 25%
30
60
120
150
220
300
470
600
60
120
220
300
Test Frequency
( MHz )
100
100
100
100
100
100
100
100
100
100
100
100
DC Resistance
Max. ( mΩ )
200
250
300
300
400
500
650
800
300
450
600
750
Rated Current
Max. ( mA )
300
300
100
100
100
100
100
80
100
80
50
50
■
Electrical Curve / QT1005
QT1005RL030-LF
100
QT1005RL060-LF
160
80
IMPEDANCE(
Ω
)
60
IMPEDANCE(
Ω
)
120
z
40
80
z
R
R
40
20
X
X
0
1
10
100
1000
FREQUENCY (MHz)
0
1
10
100
FREQUENCY (MHz)
1000
QT1005RL080-LF
160
QT1005RL120-LF
300
120
IMPEDANCE(
Ω
)
200
IMPEDANCE(
Ω
)
Z
80
z
R
100
R
40
X
0
1
10
100
1000
FREQUENCY (MHz)
X
0
1
10
100
1000
FREQUENCY(MHz)
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