®
UNI-PAC™ 0.4C
Low Cost, Low Profile
Power Inductors (Surface Mount)
Description
• Miniature size and rugged construction
• Designed for high shock environments
• Suited for IR and vapor reflow solder
• Frequency range 1kHz to 2MHz
• RoHS compliant (-R option)
Applications
• Computer, pager and battery powered equipment
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating ambient temperature range: -40°C to +85°C
range is application specific. Temperature rise is
approximately 40°C at rated RMS current. Maximum
operating temperature is 125°C including ambient.
• Infrared reflow temperature: +240°C for 30 seconds max.
Part
Number
UP0.4C-1R0
UP0.4C-1R5
UP0.4C-2R2
UP0.4C-3R3
UP0.4C-4R7
UP0.4C-6R8
UP0.4C-100
UP0.4C-150
UP0.4C-220
UP0.4C-270
UP0.4C-330
UP0.4C-390
UP0.4C-470
UP0.4C-680
UP0.4C-101
Inductance
µH
(Rated)
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
27
33
39
47
68
100
OCL (1)
µH ± 20%
1.16
1.49
2.27
3.22
4.95
7.06
9.53
14.5
21.8
27.5
32.2
39.0
46.5
68.2
102.5
Packaging
• Supplied in tape and reel packaging, 2,500 per reel
Irms (2)
Amperes
2.88
2.58
2.15
1.89
1.55
1.30
1.16
0.95
0.76
0.69
0.64
0.59
0.53
0.45
0.37
Isat (3)
Amperes
3.33
2.94
2.38
2.00
1.61
1.35
1.16
0.94
0.77
0.68
0.63
0.57
0.53
0.43
0.35
DCR (4)
Ohms
(Max)
0.030
0.034
0.050
0.060
0.088
0.128
0.156
0.250
0.360
0.480
0.560
0.650
0.820
1.10
1.58
1) Open Circuit Inductance Test Parameters: 100kHz, 0.250 Vrms, 0.0 Adc
2) RMS current, delta temp. of 40°C ambient temperature of 85°C
3) Peak current for approximately 30% roll-off @ 20°C
4) Values @ 20°C
Option Code
-R
OPTION CODE
Description
RoHS compliant version
Mechanical Diagrams
TOP VIEW
FRONT VIEW
yww
xxx
1
1.00 ref
(2x)
2
2.40 4.45
max max
6.60
max
RECOMMENDED PCB LAYOUT
4.06
1.4 (2x)
SCHEMATIC
1
2.92
max
2.9
(2x)
COMPONENT VIEW
2
4.45
ref
Dimensions in Millimeters.
yww = Date Code xxx = Inductance value per family chart
% of Initial Inductance
Inductance
vs Saturation
Current
100%
80%
60%
40%
20%
0%
0%
20%
40%
60%
80% 100% 120% 140% 160%
% of Isat
®
UNI-PAC™ 0.4C
Low Cost, Low Profile
Power Inductors (Surface Mount)
PM-4107 7/05
© Cooper Electronic
Technologies 2005
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic
Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper
Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been
selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the
express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when
properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
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