Magneꢀcs
High Current Low Profile Surface
Mount Inductors
Model HM69
Features and Benefits
Operaꢀng Temperature Range -40°C to +125°C
Temperature Rise, Maximum 40°C
Operaꢀng Frequency Up to 3MHz
RoHS Compliant
Specificaꢀons
Inductance
DCR (1)
(mΩ)
Irated
Heaꢀng
Current(3)
(A)
Core Loss (4)
Factor
(2)
100kHz, 0.1V
@ Irated
(nH)
Part
Number
@ 25°C
(Adc)
@ 0 Adc
(nH ± 20%)
Typ.
25
Min.
18
28
50
60
72
96
64
140
69
104
144
200
150
216
Typ.
25
36
67
75
95
120
80
175
87
130
180
250
175
285
Min.
0.27
0.20
0.40
0.31
0.40
0.40
0.45
0.45
0.42
0.42
0.42
0.17
0.40
0.17
Typ.
0.33
0.24
0.48
0.39
0.48
0.48
0.56
0.56
0.50
0.50
0.50
0.20
0.50
0.25
K1
K2
HM69-10R025LF
HM69-20R050LF
HM69-30R070LF
HM69-40R10LF
HM69-50R10LF
HM69-50R15LF
HM69-55R10LF
HM69-55R20LF
HM69-60R10LF
HM69-60R15LF
HM69-60R20LF
HM69-70R30LF
HM69-75R20LF
HM69-80R30LF
42
70
46
28
29
18
45
21
68
48
31
37
20
40
22
35
25
25
24
24
25
25
31
31
31
70
40
76
3.847E-14
1.074E-13
1.074E-13
7.124E-14
8.733E-14
8.733E-14
1.337E-13
1.337E-13
2.311E-13
2.311E-13
2.311E-13
6.784E-13
3.559E-13
9.107E-13
59.444
50.117
70.164
156.891
127.990
191.986
96.541
160.902
52.336
78.503
104.671
98.921
134.203
72.674
50
70
100
100
150
100
200
100
150
200
300
200
300
Notes: (1) DC resistance is measured at 25°C.
(2)ꢀTheꢀratedꢀcurrentꢀ(Irated)ꢀisꢀtheꢀcurrentꢀatꢀwhichꢀtheꢀinductanceꢀwillꢀbeꢀdecreasedꢀbyꢀ20%ꢀfromꢀitsꢀiniꢁalꢀ(zeroꢀDC)ꢀvalue.
(3) TheꢀheaꢁngꢀcurrentꢀisꢀtheꢀDCꢀcurrent,ꢀwhichꢀcausesꢀtheꢀcomponentꢀtemperatureꢀtoꢀincreaseꢀbyꢀapproximatelyꢀ40°C.ꢀThisꢀcurrentꢀisꢀdetermined
byꢀsolderingꢀtheꢀcomponentꢀonꢀaꢀtypicalꢀapplicaꢁonꢀPCB,ꢀandꢀthenꢀapplyingꢀtheꢀdeviceꢀforꢀ30ꢀminutes.
(4) CoreꢀLossꢀapproximaꢁonꢀisꢀbasedꢀonꢀpublishedꢀcoreꢀdata:
CoreꢀLossꢀ=ꢀK1ꢀ*ꢀ(f)1.77 *ꢀ(K2ΔI)2.21
Where:ꢀꢀ
coreꢀlossꢀinꢀwaꢂꢀꢀ
fꢀ=ꢀswitchingꢀfrequencyꢀinꢀkHz
K1ꢀandꢀK2ꢀ=ꢀcoreꢀlossꢀfactorꢀꢀ ΔIꢀ=ꢀdeltaꢀIꢀacrossꢀtheꢀcomponentꢀinꢀAmp.
K2ΔIꢀ=ꢀoneꢀhalfꢀofꢀtheꢀpeakꢀtoꢀpeakꢀfluxꢀdensityꢀacrossꢀtheꢀcomponentꢀinꢀGauss
Packaging
EmbossedꢀTapeꢀ&ꢀReel
Reel:
Diameter:
Capacity:
=
=
13” (330.2mm)
1000 Units
Caseꢀsizeꢀ10,40
Standard
Caseꢀsizeꢀ20,30,60
Caseꢀsizeꢀ50,55,75
Caseꢀsizeꢀ70,80
=
=
=
800 Units
500 Units
350 Units
BI Technologies
A-1445, Jalan Tanjung Api
25050 Kuantan
General Note
TTꢀElectronicsꢀreservesꢀtheꢀrightꢀtoꢀmakeꢀchangesꢀinꢀproductꢀspecificaꢁonꢀwithoutꢀnoꢁceꢀorꢀliability.
AllꢀinformaꢁonꢀisꢀsubjectꢀtoꢀTTꢀElectronics’ꢀownꢀdataꢀandꢀisꢀconsideredꢀaccurateꢀatꢀꢁmeꢀofꢀgoingꢀtoꢀprint.
Pahang Darul Makmur
Malaysia
Ph: +60 9 565 8888 Fax: +60 9 514 3555
http://www.ttelectronics.com/magnetics/customer-service-enquiry
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Rev.ꢀ02 8.17