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MAGNETIC COMPONENTS SELECTOR GUIDE 2009/10 EDITION
We reserve the right to change specifications without prior notice.
106
Operating Values Control Values (3)
Part L DC I DC ETop Case L w/o DC DC DC
Number µH (1) Amps V-µS (2) Size L o Resistance Resistance
µH ± 20% mW, Nom. mW Max.
HM77 - 10001LF 1.01 3.40 0.532 1 1.10 11.00 12.5
HM77 - 20001LF 6.20 1.40 1.33 1 7.00 60.30 70
HM77 - 30001LF 17.6 1.00 2.40 1 22.7 109.00 125
HM77 - 40002LF 3.80 4.80 1.76 2 5.20 17.0 19.1
HM77 - 50002LF 9.40 2.80 2.70 2 12.3 37.80 43.4
HM77 - 60002LF 29.7 1.40 4.60 2 35.3 141.00 166
HM77 - 70002LF 114 0.94 10 2 167 330.00 380
HM77 - 80003LF 2.50 8.00 1.77 3 3.80 7.20 8.30
HM77 - 90003LF 5.10 5.40 2.51 3 7.50 14.30 17.7
HM77 - 10003LF 16.2 2.70 4.29 3 21.9 54.70 63
HM77 - 11003LF 58.1 1.30 7.83 3 73 233.00 290
HM77 - 12003LF 192 0.90 15.7 3 292 472.00 560
HM77 - 13003LF 383 0.72 23.5 3 672 750.00 862
HM77 - 14004LF 0.91 13.3 1.035 4 1.25 4.56 5.70
HM77 - 15004LF 1.32 11.5 1.33 4 2.10 4.56 5.70
HM77 - 16004LF 4.90 7.80 3.04 4 7.90 10.50 12.4
HM77 - 17004LF 9.00 5.50 4.06 4 14 19.30 22.3
HM77 - 18004LF 29.1 2.70 6.90 4 40.5 75.80 85
HM77 - 19004LF 645 0.74 36.5 4 1134 1040 1250
HM77 - 30004LF 33 3.0 9.50 4 48 48.5 59
HM77 - 20005LF 1.75 10.9 1.83 5 2.80 5.68 6.90
HM77 - 21005LF 2.50 11.4 2.23 5 4.20 6.19 7.50
HM77 - 22006LF 2.03 13 3.30 6 2.70 5.60 6.80
HM77 - 23006LF 3.50 12.4 3.13 6 6.50 7.54 8.7
HM77 - 24006LF 4.70 10.4 3.58 6 8.40 8.30 10.0
HM77 - 25006LF 9.30 7.20 4.92 6 16 20.05 23.0
HM77 - 26006LF 16.1 5.10 6.27 6 25.9 30.3 32
HM77 - 27006LF 50 2.60 10.5 6 72.9 115 130
HM77 - 28006LF 1070 0.710 54.4 6 1950 1480 1700
HM77 - 29006LF 68 3.00 9.50 6 122 85 102
HM77 - 31007ALF 2.5 11.4 2.23 7 4.20 5.20 6.20
HM77 - 32007ALF 1.68 13.9 1.83 7 2.80 3.60 4.0
Notes: (1) Inductance values are rated at -40°C to +130°C operating temperature range with rated DC current flowing and the operating ETop across the inductor.
(2) ETop is rated at 500 kHz.
(3) The control values of inductance are measured at the operating flux density equal or less than 10 gauss and without DC current.
Specifications
• Operating Temperature Range -40°C to +130°C
• Ambient Temperature, Maximum 80°C
• InsulationSystem ClassB,130°C
• TemperatureRise,Maximum 50°C
• OperatingFrequency Upto400kHz
HM77
Electrical / Environmental
LowProfileSurfaceMountInductors
RoHS
Compliant
Schematic
2009/10 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE
We reserve the right to change specifications without prior notice.
www.bitechnologies.com
107
Ordering Information
Outline Dimensions (Inch/mm) / Packaging
Case Size
Model Series
Model Description
Tape & 13” Reel Packing
Lead-Free
HM77 - 100 01 LF TR
Figure 1 Figure 2 Coplanarity
Notes: (1) For case size 1 to 6, the reel capacity is for part number ending with sufx ‘LFTR’.
(2) For case size 7, the reel capacity is for part number ending with sufx ‘ALFTR’
Case size A B C D E F G Reel
Capacity
1
2
3
4
5
6
7
.340
8.64
.447
11.35
.571
14.50
.625
15.88
.725
18.40
.805
20.40
.669
17.00
500
350
350
200
200
150
200
1
1
2
2
2
2
2
Figure
.340
8.64
.447
11.35
.571
14.50
.600
15.24
.585
14.90
.710
18.03
.669
17.00
.250
6.35
.350
8.89
.350
8.89
.360
9.14
.360
9.14
.445
11.30
.400
10.16
.260
6.60
.350
8.89
.450
11.43
.500
12.70
.610
15.50
.680
17.27
.560
14.22
.330
8.38
.425
10.80
.550
13.97
.580
14.73
.580
14.73
.690
17.53
.665
16.89
.270
6.86
.360
9.14
.460
11.68
.510
12.95
.610
15.50
.690
17.53
.560
14.22
.060
1.52
.060
1.52
.100
2.54
.100
2.54
.100
2.54
.100
2.54
.100
2.54
Recommended
Solder Pad Layout
