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UNI-PAC™
Power Inductors
(Surface Mount)
Description
RoHS
2002/95/EC
• Miniature surface mount design
• Inductance range from 0.470uH to 1000uH
• Current range from 19.2 to .47 Amps
• Maximum power density
• Ideal for applications requiring low inductance and high
current in a miniature package
• Modified standard products are available
• Protective case eliminates core breakage
• Meets UL 94V-0 flammability standard
• Ferrite core material
Applications
• DC-DC converters on board level and industrial
products
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating ambient temperature range: -40°C to +85°C
(range is application specific)
• Solder reflow temperature: +260°C max. for 10 seconds
max.
Part
Number
UP1B-R47-R
UP1B-1R0-R
UP1B-1R5-R
UP1B-2R2-R
UP1B-3R3-R
UP1B-4R7-R
UP1B-6R8-R
UP1B-100-R
UP1B-150-R
UP1B-220-R
UP1B-330-R
UP1B-470-R
UP1B-680-R
UP1B-101-R
UP1B-151-R
UP1B-221-R
UP1B-331-R
UP2B-R47-R
UP2B-1R0-R
UP2B-1R5-R
UP2B-2R2-R
UP2B-3R3-R
UP2B-4R7-R
UP2B-6R8-R
UP2B-100-R
UP2B-150-R
UP2B-220-R
UP2B-330-R
UP2B-470-R
UP2B-680-R
UP2B-820-R
UP2B-101-R
UP2B-151-R
Inductance
µH (rated)
0.47
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
0.47
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100.0
150.0
OCL(1)
µH±20%
0.569
1.20
1.61
2.62
3.79
5.15
6.87
11.00
16.00
23.50
36.00
48.50
73.52
112.67
152.40
223.10
331.90
0.595
1.00
1.46
2.56
3.23
4.77
6.63
9.73
15.43
22.50
33.13
48.65
68.17
84.1
102.60
150
Notes: (1) Open Circuit Inductance Test Parameters: 100KHz, .250Vrms, 0.0Adc.
(2) RMS current for an approximate ∆T of 40°C. at an ambient temperature
of 85˚C.
NO
PROW AVAIL
TECT ABL
I VE E WI
CAS TH A
E
Packaging
• Supplied in tape and reel packaging, 900 (UP1B), 550
(UP2B), 450 (UP3B), and 275 (UP4B) per reel
I RMS(2)
Amperes
6.0
4.4
4.2
3.1
2.9
2.2
1.7
1.5
1.2
1.0
0.82
0.72
0.58
0.47
0.40
0.36
0.28
10.6
9.3
8.3
7.2
6.5
5.5
5.0
4.3
3.5
2.8
2.1
1.7
1.5
1.34
1.2
1.0
I SAT(3)
Amperes
7.7
5.3
4.5
3.5
3.0
2.6
2.2
1.9
1.5
1.2
0.99
0.87
0.67
0.53
0.46
0.38
0.31
11.4
9.9
7.9
6.1
5.1
4.2
3.6
3.3
2.4
2.0
1.7
1.4
1.2
1.03
0.95
0.77
DCR(4)
Ohms max.
0.0097
0.0177
0.0200
0.0363
0.0428
0.0544
0.0897
0.1107
0.1747
0.2541
0.3670
0.4740
0.7320
1.11
1.61
1.96
3.10
0.0049
0.0065
0.0081
0.0107
0.0128
0.0165
0.0202
0.0267
0.0410
0.0617
0.0917
0.1388
0.1787
0.2235
0.2707
0.4100
(3) Peak current for approximately 30% rolloff UP1B, 3B, 4B. 10% rolloff
UP2B @ 20°C
(4) DCR limits 20°C.
UNI-PAC™
Power Inductors
(Surface Mount)
Part
Number
UP2B-221-R
UP2B-331-R
UP2B-471-R
UP2B-681-R
UP2B-821-R
UP2B-102-R
UP3B-R47-R
UP3B-1R0-R
UP3B-1R5-R
UP3B-2R2-R
UP3B-3R3-R
UP3B-4R7-R
UP3B-6R8-R
UP3B-100-R
UP3B-150-R
UP3B-220-R
UP3B-330-R
UP3B-470-R
UP3B-680-R
UP3B-101-R
UP3B-151-R
UP3B-331-R
UP4B-R47-R
UP4B-1R0-R
UP4B-1R5-R
UP4B-2R2-R
UP4B-3R3-R
UP4B-4R7-R
UP4B-6R8-R
UP4B-100-R
UP4B-150-R
UP4B-220-R
UP4B-330-R
UP4B-470-R
UP4B-680-R
UP4B-101-R
UP4B-151-R
UP4B-221-R
UP4B-331-R
UP4B-471-R
Inductance
µH (rated)
220.0
330.0
470.0
680.0
820.0
1000.0
0.47
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
330.0
0.47
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
OCL(1)
µH±20%
223
338
471
700
823
1005
0.452
1.34
2.08
3.01
3.96
5.00
7.70
11.00
16.38
23.93
33.85
51.00
69.50
101.40
152.9
332.80
0.473
0.916
1.52
2.27
3.14
5.34
6.66
9.77
15.61
22.61
34.30
48.10
69.14
99.42
146.90
221.40
330.00
470.10
Notes: (1) Open Circuit Inductance Test Parameters: 100KHz, .250Vrms, 0.0Adc.
(2) RMS current for an approximate ∆T of 40°C. at an ambient temperature
of 85˚C.
I RMS(2)
Amperes
0.773
0.676
0.553
0.452
0.423
0.369
16.0
12.5
10.0
9.2
8.0
6.5
5.8
4.3
3.9
3.1
2.4
1.9
1.6
1.4
1.2
0.75
19.2
17.3
13.4
12.0
11.0
8.6
8.3
6.8
5.5
4.5
3.7
3.1
2.4
2.0
1.7
1.4
1.1
0.91
I SAT(3)
Amperes
0.637
0.510
0.427
0.355
0.334
0.300
25.1
15.3
12.0
10.2
9.3
7.7
6.2
5.2
4.3
3.7
3.0
2.4
2.0
1.8
1.4
0.98
51.7
37.3
28.9
23.7
20.2
15.6
14.1
11.5
9.1
7.6
6.1
5.2
4.3
3.6
3.0
2.4
2.0
1.7
DCR(4)
Ohms max.
0.6717
0.8783
1.31
1.97
2.24
2.96
0.0021
0.0034
0.0053
0.0074
0.0083
0.0114
0.0183
0.0260
0.0317
0.0490
0.0688
0.1082
0.1558
0.2053
0.2960
0.7330
0.0019
0.0023
0.0039
0.0048
0.0057
0.0093
0.0100
0.0150
0.0230
0.0340
0.0520
0.0740
0.1200
0.1700
0.2392
0.3571
0.5800
0.8330
(3) Peak current for approximately 30% rolloff UP1B, 3B, 4B. 10% rolloff
UP2B @ 20°C
(4) DCR limits 20°C.
UNI-PAC™
Power Inductors
(Surface Mount)
Mechanical Diagrams
UP1B Series
PCB PAD LAYOUT
TOP VIEW
8.89
8.89
Max
5.08
FRONT VIEW
2.42
Ref
UP1B
XXX
wwllyy R
6.10
Max
4.04
Max
SCHEMATIC
1
5.0
Max
4.1
2
0.762
Min
1.9
COMPONENT VIEW
UP2B Series
PCB PAD LAYOUT
TOP VIEW
14.0
SCHEMATIC
13.97
Max
1
6.73
Max
UP2B
XXX
wwllyy R
10.41
Max
9.4
FRONT VIEW
4.22
Ref
6.0
Max
7.3
2
0.762
Min
2.3
COMPONENT VIEW
UP3B Series
TOP VIEW
PCB PAD LAYOUT
8.13
max
1
UP3B
XXX
wwllyy R
19.3
SCHEMATIC
SIDE VIEW
1
13.21
max
2
11.7
6.8
max
8.7
2
12.70
3.8
19.30
max
COMPONENT VIEW
UP4B Series
TOP VIEW
PCB PAD LAYOUT
11.18
max
1
UP4B
XXX
wwllyy R
22.1
SCHEMATIC
SIDE VIEW
2
15.00
max
13.5
1
7 87
max
12.0
2
14.61
4.3
22.10
max
Dimensions in Millimeters.
COMPONENT VIEW
wwllyy = (date code) R = revision level
xxx = Inductance value per family chart
UNI-PAC™
Power Inductors
(Surface Mount)
Packaging Information
UP1B Series
2.0
4.0
1.5 Dia.
A
1.75
1
7.5
16
9.3
ACTUAL SIZE
UNI-PAC 1B
2
4.4
5.6
A
2.3
6.4
12.0
SECTION A-A
Parts packaged on 13" Diameter reel,
900 parts per reel.
Direction of feed
Dimensions in millimeters.
UP2B Series
2.0
4.0
A
1.5 Dia.
1.75
1
11.5
24
14.3
2
5.4
6.8
A
5.1
10.7
16.0
SECTION A-A
UP3B Series
ACTUAL SIZE
UNI-PAC 2B
Direction of feed
Dimensions in millimeters.
Parts packaged on 13" Diameter reel,
550 parts per reel.
2.0
4.0
1.5 Dia.
A
1.75
1
14.2
19.6
28.4 32
ACTUAL SIZE
UNI-PAC 3B
2
5.9
7.7
SECTION A-A
A
5.8
13.5
16.0
Direction of feed
Dimensions in millimeters.
Parts packaged on 13" Diameter reel,
450 parts per reel.
UP4B Series
2.0
4.0
1.5 Dia.
A
1.75
1
14.2
22.3
2
7.2
9.0
SECTION A-A
11.1
15.3
A
28.4 32
ACTUAL SIZE
UNI-PAC 4B
24.0
Direction of feed
Dimensions in millimeters.
Parts packaged on 13" Diameter reel,
275 parts per reel.
UNI-PAC™
Power Inductors
(Surface Mount)
Inductance Characteristics
UP1B-1R0
UP1B-100
Typical Inductance & Energy vs Saturation Current
Typical Inductance & Energy vs Saturation Current
UP1B-470
UP2B-1R0
Typical Inductance & Energy vs Saturation Current
Typical Inductance & Energy vs Saturation Current
UP2B-100
UP2B-470
Typical Inductance & Energy vs Saturation Current
Typical Inductance & Energy vs Saturation Current
UNI-PAC™
Power Inductors
(Surface Mount)
Inductance Characteristics
UP3B-1R0
UP3B-100
Typical Inductance & Energy vs Saturation Current
Typical Inductance & Energy vs Saturation Current
UP3B-470
UP4B-1R0
Typical Inductance & Energy vs Saturation Current
Typical Inductance & Energy vs Saturation Current
UP4B-100
UP4B-470
Typical Inductance & Energy vs Saturation Current
Typical Inductance & Energy vs Saturation Current
UNI-PAC™
Power Inductors
(Surface Mount)
PM-4308 3/07
© Cooper Electronic
Technologies 2007
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Tel: +1-561-998-4100 Toll Free: +1-888-414-2645 Fax: +1-561-241-6640
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