Technical Data
DS4308
Effective
August
2017
Supersedes
March
2007
UP
UNI-PAC™ drum core power inductors
Applications
•
•
•
•
•
•
•
•
•
Buck or boost inductor
Workstations/servers
Desktop computer
DVD Players
Portable power devices
Base stations
Industrial power supplies
Output filter chokes
Test equipment instrumentation
Product features
•
•
•
•
•
•
•
Maximum power density
Ideal for applications requiring low inductance
and high current in a miniature package
Current range from 0.47 A to 19.2 A
Inductance range from 0.470 uH to 1000 uH
Protective case eliminates core breakage
Meets UL 94V-0 flammability standard
Ferrite core material
Environmental Data
•
Storage temperature range (Component):
-40 °C to +125 °C
Operating temperature range: -40 °C to +125 °C
(ambient plus self-temperature rise)
Solder reflow temperature:
J-STD-020
(latest revision)
compliant
•
•
Effective
August
2017
Technical Data
DS4308
UP
UNI-PAC™ drum core power inductors
Product Specifications
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
I
R MS
(2)
(A)
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
S AT
(3)
(A)
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
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
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
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
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
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
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
Notes:
(1) Open Circuit Inductance Test Parameters: 100
kHz,
.250 Vrms, 0.0 Adc.
(2) RMS current for an approximate
∆T
of 40 °C. at an ambient temperature
of
+85
˚C.
(3)
Peak current for approximately 30% rolloff UP1B, 3B, 4B. 10% rolloff UP2B @
+20
°C
(4)
DCR limits
+20
°C.
2
www.eaton.com/electronics
UP
UNI-PAC™ drum core power inductors
Technical Data
DS4308
Effective
August
2017
Dimensions- mm
UP1B
PCB PAD LAYOUT
TOP VIEW
8.89
Max
2.42
Ref
8.89
5.08
SCHEMATIC
1
FRONT VIEW
4.04
Max
5.0
Max
6.10
Max
UP1B
XXX
wwllyy R
4.1
0.762
Min
2
1.9
COMPONENT VIEW
UP2B
PCB PAD LAYOUT
TOP VIEW
13.97
Max
4.22
Ref
14.0
SCHEMATIC
FRONT VIEW
6.73
Max
6.0
Max
9.4
1
7.3
10.41
Max
UP2B
XXX
wwllyy R
0.762
Min
2
2.3
COMPONENT VIEW
UP3B
TOP VIEW
PCB PAD LAYOUT
19.3
UP3B
XXX
wwllyy R
SIDE VIEW
SCHEMATIC
11.7
8.13
max
1
2
13.21
max
1
6.8
max
8.7
12.70
3.8
2
19.30
max
COMPONENT VIEW
UP4B
TOP VIEW
PCB PAD LAYOUT
22.1
UP4B
XXX
wwllyy R
SIDE VIEW
SCHEMATIC
13.5
11.18
max
1
2
15.00
max
1
7 87
max
12.0
14.61
4.3
2
22.10
max
Do not route traces or vias underneath inductor
COMPONENT VIEW
wwllyy = (date code) R = revision level
xxx = Inductance value per family chart
www.eaton.com/electronics
3
Technical Data
DS4308
Effective
August2017
UP
UNI-PAC™ drum core power inductors
Packaging information-
mm
UP1B
2.0
1.5 Dia.
4.0
A
1.75
1
7.5
9.3
2
4.4
5.6
SECTION A-A
2.3
6.4
12.0
Direction of feed
Dimensions in millimeters.
16
ACTUAL SIZE
UNI-PAC 1B
A
Parts packaged on 13" Diameter reel,
900 parts per reel.
UP2B
1.5 Dia.
2.0
4.0
A
1
1.75
11.5
14.3
24
2
5.4
6.8
SECTION A-A
5.1
10.7
16.0
Direction of feed
Dimensions in millimeters.
ACTUAL SIZE
UNI-PAC 2B
A
Parts packaged on 13" Diameter reel,
550 parts per reel.
UP3B
2.0
1.5 Dia.
4.0
A
1
1.75
14.2
19.6
2
5.9
7.7
SECTION A-A
5.8
13.5
28.4 32
ACTUAL SIZE
UNI-PAC 3B
A
16.0
Direction of feed
Dimensions in millimeters.
Parts packaged on 13" Diameter reel,
450 parts per reel.
UP4B
2.0
1.5 Dia.
4.0
A
1
1.75
14.2
22.3
2
7.2
9.0
SECTION A-A
11.1
15.3
28.4 32
A
24.0
Direction of feed
Dimensions in millimeters.
ACTUAL SIZE
UNI-PAC 4B
Parts packaged on 13" Diameter reel,
275 parts per reel.
4
www.eaton.com/electronics
UP
UNI-PAC™ drum core power inductors
Inductance characteristics
Technical Data
DS4308
Effective
August
2017
UP1B-1R0
Typical Inductance & Energy vs Saturation Current
UP1B-100
Typical Inductance & Energy vs Saturation Current
UP1B-470
Typical Inductance & Energy vs Saturation Current
UP2B-1R0
Typical Inductance & Energy vs Saturation Current
UP2B-100
Typical Inductance & Energy vs Saturation Current
UP2B-470
Typical Inductance & Energy vs Saturation Current
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5
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