Delta Electronics HALO1340 User Manual
SMT Power Inductor
HALO1340 Type
Features
RoHS compliant.
Low profile (4.2mm max. height) SMD type.
Magnetically shielded, suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal for power source circuits, DC-DC converter,
DC-AC inverters inductor application.
In addition to the standard versions shown here,
customized inductors are available to meet your exact requirements.
Mechanical Dimension:
A
C
F
B
G
E
D
RECOMMENDED PAD PATTERNS
2.14
15.0
5.24
3.10
6.25
UNIT: mm / inch
A = 12.50 0.40 / 0.492 0.016
B = 12.50 0.40 / 0.492 0.016
C = 2.40 / 0.094 (REF)
D = 4.20 / 0.165 Max.
E = 14.80 / 0.582 (Max.)
F = 1.00 / 0.039 (REF)
G = 0.01~0.1 / 0.00039~0.0039
Electrical Characteristics:
PART NO. Lo Li DCR Isat Irms
HALO1340-0R3 0.3 0.25 1.80 38 36
HALO1340--0R7 0.7 0.60 2.50 32 26
HALO1340--1R2 1.2 1.00 3.45 20 24
HALO1340--2R0 2.0 1.70 4.35 15 22
1. Lo is the initial inductance.
2. Isat is the DC current which cause the inductance drop to Li.
3. Irms is the DC current which cause the surface temperature of the part increase less than 45 C.
4. Operating temperature : -20 C to 105 C ( including self-temperature rise ).
1.50
1.00
0.50
INDUCTANCE (uH)
0.00
A
A
2
0
o
At 25 C: 100KHz, 1.0V
1
(uH) (uH) 20% (m ) MAX (Adc) (Adc)
OO
8A
A
6
A
4
INDUCTANCE VS. DC BIAS
A
18
A
16
A
4
1
2A
1
A
0
1
2
O
2A
4A26A
2
0A
2
2
8A
2
3
2A
0A
3
3
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
DC BIAS
101
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