Description
• High Density, high current/low voltage
• Foil technology that adds higher reliability
• Current range from 78.0 to 33.8 Amps
• Inductance range from 0.50uH to 6.52uH
• Ferrite core material
Applications
• Next generation microprocessors
• Energy storage applications
• DC-DC converters
• Computers
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating ambient temperature range: -40°C to +85°C
• Solder reflow temperature: +260°C max. for 10 seconds
1) Test Parameters: 300kHz, 0.25 Vrms
2) DC current for approximately ∆T of 40°C without core loss
3) Peak current for approximately 30% rolloff (@20°C)
4) Applied Volt-Time product (V-µS) across the inductor. This value represents the
Mechanical Diagrams
wwllyy = Date code R = Revision level
Part
Number
HC3-R50-R
HC3-1R0-R
HC3-2R2-R
HC3-3R3-R
HC3-4R7-R
HC3-5R6-R
HC3-6R0-R
applications
factor over the traditional magnet wire used
for higher frequency circuit designs
max.
De-rating is necessary for AC currents. PCB layout, trace thickness and width,
air flow and proximity of other heat generating components will affect temperature
rise. It is recommended that the temperature of the part not exceed 125°C under
worst case conditions verified in the end application.
applied V-µS at 300kHz necessary to generate a core loss equal to 10% of the
total losses for a 40°C temperature rise.
30.0 max
TOP VIEW
wwllyy R
HC3
25.3 max
14.5 typ
Inductance
Rated
0.50
µH
1.0
2.2
3.3
4.7
5.6
6.0
+/-20% µH
nominal
OCL (1)
0.50
1.05
2.05
3.63
4.98
5.68
6.52
PCB PAD LAYOUT
5.50
RECOMMENDED
19.0
5.50
Amperes
2002/95/EC
Irms (2)
(Typ.)
78.00
78.00
55.50
42.45
33.80
33.80
33.80
RoHS
22.0
Part number definition:
HC3-XXX-R
HC3 = Product code and size
XXX = Inductance value in uH.
R = Decimal point. If no R is present, third character = #of zeros
-R suffix indicates RoHS compliant
Packaging
• Supplied in bulk packaging, 24 parts per tray
4.0 typ
Amperes
Isat (3)
(Typ.)
34.5
30.0
120
78
60
46
38
FRONT VIEW
3.0 typ
DCR (mΩ)
Part Number
HC3-R50-R
HC3-1R0-R
HC3-2R2-R
HC3-3R3-R
HC3-4R7-R
HC3-5R6-R
HC3-6R0-R
max. @
20°C
0.42
0.42
0.70
1.20
2.17
2.17
2.17
HT max
HIGH CURRENT 3
Power Inductors
SCHEMATIC
Height max
1
2
HC3 Series
µSec (VµS)
18.0
17.5
17.5
17.5
17.5
17.5
17.5
Volts (4)
17.33
17.33
26.01
34.65
43.30
43.30
43.30
(ref.)