Delta Electronics HMU1055 User Manual
SMT Power Inductor
HMU1055 Type
Features
RoHS compliant.
Low profile, SMD type.
High current.
Magnetic shielded.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal for power source circuits, DC-DC converter, DC-AC inverters
inductor applications.
In addition to the standard versions shown here, customized inductors
are available to meet your exact requirements.
Mechanical Dimension :
B
A
Electrical Characteristics :
HMU1055-0R2 0.20 0.16 1.00 48.0 31.0
HMU1055-0R2LD 0.20 0.16 0.65 48.0 35.0
HMU1055-R25 0.25 0.20 1.00 36.0 31.0
HMU1055-0R3 0.30 0.24 1.00 30.0 31.0
HMU1055-0R4 0.40 0.32 1.30 32.0 25.0
HMU1055-R56 0.56 0.45 1.30 20.0 25.0
HMU1055-0R6 0.60 0.48 1.30 17.0 25.0
HMU1055-0R7 0.70 0.56 1.30 17.0 25.0
HMU1055-0R7HS 0.70 0.56 2.00 25.0 19.0
HMU1055-0R8 0.80 0.64 2.00 16.0 19.0
HMU1055-1R0 1.00 0.80 2.00 15.0 19.0
HMU1055-1R0HS 1.00 0.80 4.00 20.0 13.5
HMU1055-1R5 1.50 1.08 4.00 15.0 13.5
HMU1055-1R5HS 1.50 1.20 20% 6.80 22.0 11.0
HMU1055-2R2 2.20 1.65 4.80 12.0 12.5
HMU1055-2R2HS 2.20 1.76 6.80 14.0 11.0
HMU1055-2R5 2.50 2.00 4.80 7.8 12.5
HMU1055-3R0HS 3.00 2.40 9.60 12.0 8.5
HMU1055-4R7 4.70 3.76 11.00 8.0 8.0
HMU1055-5R7 5.70 4.56 11.00 5.8 8.0
C
D
D
o
C
At 25 : 100KHz, 1V
1
L
(uH)
RECOMMENDED PAD PATTERNS
DCR
2.0
2.9
3.8
11.0
2.5
sat
I
(Adc)
8.5
UNIT : mm/inch
A = 10.40/0.409 Max.
B = 10.40/0.409 Max.
C = 5.50/0.217 Max.
D = 2.60 / 0.102
E = 5.50 / 0.217
F = 1.40 / 0.055
G = 2.90 / 0.114
H = 3.80 / 0.150
2
rms
I
(Adc)
3
G
H
E
Li
(uH) MIN.
F
(m ) MAX.
1. Tolerance of inductance is 20%..
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 ).
OO
O
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
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