Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
SMD Square Drum Ferrite-core Inductors—
1812SDF series
A. Electrical specifications:
Part No.
1812SDF-1R0
1812SDF-1R5
1812SDF-2R2
1812SDF-3R3
1812SDF-4R7
1812SDF-6R8
1812SDF-100
1812SDF-150
1812SDF-220
1812SDF-330
1812SDF-470
1812SDF-680
1812SDF-101
1812SDF-151
1812SDF-221
1812SDF-331
1812SDF-471
Mark
1R0
1R5
2R2
3R3
4R7
6R8
100
150
220
330
470
680
101
151
221
331
471
L (uH)
1.00
1.50
2.20
3.30
4.70
6.80
10.0
15.0
22.0
33.0
47.0
68.0
100
150
220
330
470
Tolerance
M
M
M
M
M, K
M, K
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
K, J
Test Freq.
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
1.0 MHz/1.0V rms
SRF Min
(MHz)
100
85.0
60.0
47.0
35.0
30.0
23.0
20.0
15.0
12.0
10.0
8.4
6.8
5.5
4.5
3.6
3.0
DCR (Ω)
± 40%
0.08
0.09
0.11
0.13
0.15
0.20
0.24
0.32
0.60
1.00
1.10
1.07
2.20
3.50
4.00
6.80
8.50
IDC Max.
(A)
1.080
1.000
0.900
0.800
0.750
0.720
0.650
0.570
0.420
0.310
0.280
0.220
0.190
0.130
0.110
0.100
0.090
B. Mechanical dimensions: (Unit: mm)
SERIES
1812SDF
A
4.5 ± 0.30
B
3.2 ± 0.30
C
2.6 ± 0.30
D
1.0 (Min.)
E
1.0 (Min.)
F
4.0 Ref.
Type
2
Type: 2
C. Feature:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Tolerance: J = ± 5%, K = ± 10%, M = ± 20%.
Operating temperature: -25ºC TO +85ºC.
Electrical specifications at +25ºC.
Inductance measured on the HP4284A LCR meter
DCR measured on the 502BC milli-ohm meter.
Inductance drops no more than 10% at rated current.
Temperature rises
Δ
t < 20ºC (Typical) at rated current.
Suitable for IR re-flows soldering; Tape and reel packing.
Murata P/N LQH43CN series compatible.
10.
RoHS
compliant.
D. Applications:
Power supply line choke.
DC-DC Converters.
Notebooks.
Filters.
Telecommunications devices.
Special specifications are available for customer’s requirement.
SMD Power Choke: P/N 1812SDF series
Jan. 01, 2006. Page: 1 of 1
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
