Magnetics
Shielded Surface
Mount Coupled Inductors
MODELS HA78D-128XXXXLF
Operating Temperature Range -50°C to +155°C
Temperature Rise, Maximum 40°C
Operating Frequency Up to 3MHz
AEC-Q200 CERTIFIED
RoHS Compliant
Electrical Schematic & Derating Curve
Specifications @ 25°C
Parallel Connection
Series Connection
DCR Max (2)
(Ω)
DCR Max (2)
(3)
(4)
(3)
(4)
Part Number
L (1)
L (1)
lsat
lrms
lsat
(A)
lrms
(μH)
(A)
(μH)
(Ω)
(A)
7.40
7.20
6.90
(A)
3.60
3.50
3.40
HA78D-1284R7MLF
HA78D-1285R6MLF
HA78D-1286R8MLF
4.7 ± 20%
5.6 ± 20%
6.8 ± 20%
0.019
14.90
13.40
13.10
18.8 ± 25%
22.4 ± 25%
27.2 ± 25%
0.076
0.092
0.096
7.70
6.60
6.40
0.023
0.024
HA78D-1288R2MLF
HA78D-128100MLF
HA78D-128120MLF
HA78D-128150MLF
HA78D-128180MLF
HA78D-128220MLF
HA78D-128270MLF
HA78D-128330MLF
HA78D-128390MLF
HA78D-128470MLF
HA78D-128560MLF
HA78D-128680MLF
HA78D-128820MLF
HA78D-128101MLF
HA78D-128121KLF
HA78D-128151KLF
HA78D-128181KLF
HA78D-128221KLF
HA78D-128271KLF
HA78D-128331KLF
HA78D-128391KLF
HA78D-128471KLF
HA78D-128561KLF
HA78D-128681KLF
HA78D-128821KLF
HA78D-128102KLF
8.2 ± 20%
10 ± 20%
12 ± 20%
15 ± 20%
18 ± 20%
22 ± 20%
27 ± 20%
33 ± 20%
39 ± 20%
47 ± 20%
56 ± 20%
68 ± 20%
82 ± 20%
100 ± 20%
120 ± 10%
150 ± 10%
180 ± 10%
220 ± 10%
270 ± 10%
330 ± 10%
390 ± 10%
470 ± 10%
560 ± 10%
680 ± 10%
820 ± 10%
1000 ± 10%
0.025
0.029
0.031
0.036
0.040
0.048
0.060
0.075
0.080
0.090
0.095
0.105
0.140
0.150
0.205
0.230
0.255
0.345
0.450
0.510
0.560
0.765
0.845
1.145
1.275
1.415
10.80
10.50
9.60
9.10
8.00
6.80
6.50
5.60
5.50
5.20
4.50
4.10
3.80
3.40
3.20
2.80
2.50
2.30
2.10
1.90
1.70
1.60
1.50
1.30
1.20
1.10
6.60
6.20
6.00
5.80
5.50
5.20
4.70
4.20
3.60
3.00
2.80
2.60
2.30
2.00
1.90
1.80
1.70
1.60
1.50
1.30
1.10
0.87
0.83
0.76
0.69
0.60
32.8 ± 25%
40 ± 25%
0.100
0.116
0.124
0.144
0.158
0.190
0.240
0.300
0.320
0.360
0.380
0.420
0.560
0.600
0.820
0.920
1.02
5.60
5.40
4.80
4.30
3.90
3.50
3.40
3.10
2.80
2.60
2.40
2.10
1.90
1.70
1.60
1.40
1.30
1.10
1.00
0.92
0.84
0.80
0.73
0.63
0.58
0.56
3.30
3.20
2.90
2.70
2.50
2.20
2.00
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
0.89
0.84
0.75
0.71
0.62
0.53
0.43
0.40
0.36
0.33
0.30
48 ± 25%
60 ± 25%
72 ± 25%
88 ± 25%
108 ± 25%
132 ± 25%
156 ± 25%
188 ± 25%
224 ± 25%
272 ± 25%
328 ± 25%
400 ± 25%
480 ± 25%
600 ± 25%
720 ± 25%
880 ± 25%
1080 ± 25%
1320 ± 25%
1560 ± 25%
1880 ± 25%
2240 ± 25%
2720 ± 25%
4000 ± 30%
4800 ± 30%
1.38
1.80
2.04
2.24
3.06
3.38
4.58
5.10
5.66
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
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Rev. 01
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