®
UNI-PAC™
Power Inductors
(Surface Mount)
Description
• 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
• RoHS compliant (-R option)
Applications
• DC-DC converters on board level and industrial
products
Packaging
Environmental Data
• Supplied in tape and reel packaging, 900 (UP1B), 550
(UP2B), 450 (UP3B), and 275 (UP4B) per reel
• Storage temperature range: -40C to +125C
• Operating ambient temperature range: -40C to +85C
(range is application specific)
• Infrared reflow temperature: +240C for 30 seconds
maximum
Part
Number
Inductance
µH (rated)
0.47
1.0
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
223
I RMS(2)
Amperes
6.0
I SAT(3)
Amperes
7.7
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
UP1B-R47
UP1B-1R0
UP1B-1R5
UP1B-2R2
UP1B-3R3
UP1B-4R7
UP1B-6R8
UP1B-100
UP1B-150
UP1B-220
UP1B-330
UP1B-470
UP1B-680
UP1B-101
UP1B-151
UP1B-221
UP1B-331
UP2B-R47
UP2B-1R0
UP2B-1R5
UP2B-2R2
UP2B-3R3
UP2B-4R7
UP2B-6R8
UP2B-100
UP2B-150
UP2B-220
UP2B-330
UP2B-470
UP2B-680
UP2B-820
UP2B-101
UP2B-151
UP2B-221
UP2B-331
UP2B-471
4.4
4.2
3.1
2.9
2.2
1.7
1.5
1.2
5.3
4.5
3.5
3.0
2.6
2.2
1.9
1.5
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
1.0
1.2
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
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
1.61
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
0.6717
0.8783
1.31
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
220.0
330.0
470.0
1.03
0.95
0.77
0.637
0.510
0.427
1.0
0.773
0.676
0.553
338
471
Notes: (1) Open Circuit Inductance Test Parameters: 100KHz, .250Vrms, 0.0Adc.
(3) Peak current for approximately 30% rolloff UP1B, 3B, 4B. 10% rolloff
UP2B @ 20°C
(2) RMS current for an approximate ∆T of 40°C. at an ambient temperature
of 85˚C.
(4) DCR limits 20°C.