Multilayer
Chip Power Inductors
——SCPI-A2520
Features
1. The multi-layered Power Inductors provide high reliability for your products.
2. Magnetic shielded structure
3. Condensed SMT available.
4. Minimized design that is suitable for portable electronic equipments requiring low profile.
5. Lead Free (RoHS compliance).
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Applications
1. DC-DC converter for mobile phone
2. MP3 Player
3. Digital still cameras / DVR
4. LCD Driver Module
5. Portable digital equipment
Ordering Information
SCPI
(1)
-
A
(2)
2520
(3)
472 -
(4)
M
(5)
J
(6)
T
(7)
(5) Tolerance
M :
±
20%
(6) Termination
J : Nickel barrier
(7) Packaging
B : Bulk Packing
T : Tape & Reel (Φ 178㎜ [ 7inches])
L : Tape & Reel (Φ 254㎜ [10inches])
(1) Products Series
SCPI : Inductor for Power Line
(2) Materials & Design
A : For high current
(3) Dimension
First two digits : length (㎜)
Last two digits : width (㎜)
(4) Inductance
First two digits are inductance values.
Last digit is the number of zeros .
Shape and Dimensions
(Unit : mm[inch])
Type
T
W
C
L
L
W
T
C
SCPI A2520
2.5±0.20
2.0±0.20
1.0±0.20
0.5±0.20
〔.098±.008〕 〔.079±.008〕 〔.039±.008〕 〔.020±.008〕
*All specifications are subject to change without notice.
Multilayer
Chip Power Inductors
——SCPI-A2520
Electrical Parameters
Inductance at 1MHz(µH)
Typ.
1.0
2.2
3.3
4.7
6.8
10.0
±
20%
Tolerance
Q-factor at 1MHz
Typ
15
19
23
26
30
35
DC Resistance (mΩ)
±20%
290
430
520
650
790
740
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Part Number
SCPI-A2520-102□□□
SCPI-A2520-222□□□
SCPI-A2520-332□□□
SCPI-A2520-472□□□
SCPI-A2520-682□□□
SCPI-A2520-103□□□
Current (mA) *
1)
ΔL/Lo
=30%
1200
1000
950
850
600
350
*1) Saturation Current: The DC current at which the inductance decreases to 70% of its initial value.
Electrical Characteristic Curves
Inductance vs Frequency
20.0
60
Q-factor vs Frequency
50
Inductance vs Bias
10.0
10.0uH
15.0
10.0uH
10.0uH
8.0
Inductance (uH)
6.8uH
10.0
Inductance(uH)
40
Q-Value
30
4.7uH
5.0
20
3.3uH
2.2uH
1.0uH
10
6.8uH
4.7uH
3.3uH
2.2uH
1.0uH
6.0
6.8uH
4.7uH
3.3uH
4.0
2.0
2.2uH
1.0uH
500
1000
1500
0.0
1M
0
1M
10M
100M
0.0
10M
100M
Frequency [Hz]
Frequency(Hz)
Bias(mA)
Test Equipment & Fixture
※
L, Q : HP4285A LCR Meter
※
Rdc : TWA-161A, B
※
L Test Frequency : 1MHz
*All specifications are subject to change without notice.