
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
•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.
Packaging
•Supplied in tape and reel packaging, 900 (UP1B), 550
(UP2B), 450 (UP3B), and 275 (UP4B) per reel
Part Inductance OCL(1) IRMS(2) ISAT(3) DCR(4)
Number µH (rated) µH±20% Amperes Amperes Ohms max.
UP1B-R47-R 0.47 0.569 6.0 7.7 0.0097
UP1B-1R0-R 1.0 1.20 4.4 5.3 0.0177
UP1B-1R5-R 1.5 1.61 4.2 4.5 0.0200
UP1B-2R2-R 2.2 2.62 3.1 3.5 0.0363
UP1B-3R3-R 3.3 3.79 2.9 3.0 0.0428
UP1B-4R7-R 4.7 5.15 2.2 2.6 0.0544
UP1B-6R8-R 6.8 6.87 1.7 2.2 0.0897
UP1B-100-R 10.0 11.00 1.5 1.9 0.1107
UP1B-150-R 15.0 16.00 1.2 1.5 0.1747
UP1B-220-R 22.0 23.50 1.0 1.2 0.2541
UP1B-330-R 33.0 36.00 0.82 0.99 0.3670
UP1B-470-R 47.0 48.50 0.72 0.87 0.4740
UP1B-680-R 68.0 73.52 0.58 0.67 0.7320
UP1B-101-R 100.0 112.67 0.47 0.53 1.11
UP1B-151-R 150.0 152.40 0.40 0.46 1.61
UP1B-221-R 220.0 223.10 0.36 0.38 1.96
UP1B-331-R 330.0 331.90 0.28 0.31 3.10
UP2B-R47-R 0.47 0.595 10.6 11.4 0.0049
UP2B-1R0-R 1.0 1.00 9.3 9.9 0.0065
UP2B-1R5-R 1.5 1.46 8.3 7.9 0.0081
UP2B-2R2-R 2.2 2.56 7.2 6.1 0.0107
UP2B-3R3-R 3.3 3.23 6.5 5.1 0.0128
UP2B-4R7-R 4.7 4.77 5.5 4.2 0.0165
UP2B-6R8-R 6.8 6.63 5.0 3.6 0.0202
UP2B-100-R 10.0 9.73 4.3 3.3 0.0267
UP2B-150-R 15.0 15.43 3.5 2.4 0.0410
UP2B-220-R 22.0 22.50 2.8 2.0 0.0617
UP2B-330-R 33.0 33.13 2.1 1.7 0.0917
UP2B-470-R 47.0 48.65 1.7 1.4 0.1388
UP2B-680-R 68.0 68.17 1.5 1.2 0.1787
UP2B-820-R 82.0 84.1 1.34 1.03 0.2235
UP2B-101-R 100.0 102.60 1.2 0.95 0.2707
UP2B-151-R 150.0 150 1.0 0.77 0.4100
Notes: (1) Open Circuit Inductance Test Parameters: 100KHz, .250Vrms, 0.0Adc.
(2) RMS current for an approximate ∆Tof40°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.
UNI-PAC™
Power Inductors
(Surface Mount)
NOW AVAILABLE WITH A
PROTECTIVE CASE