Technical Data 4369
Effective August 2017
Supersedes June 2009
UP2UC
UNI-PAC™ drum core power inductors
Applications
•
•
•
•
•
•
•
•
•
Desktop computer
Workstations/servers
DVD Players
Portable power devices
Base stations
Industrial power supplies
Output filter chokes
Test equipment instrumentation
Buck or boost inductor
Environmental data
Product features
•
•
•
•
12.7 mm x 9.5 mm x 5.21 mm drum core
Inductance range from 1.0 µH to 1000 µH
Current range from 0.30 A to 9.0 A
Ferrite core material
•
•
•
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
Pb HF
FREE
HALOGEN
Technical Data 4369
UP2UC
UNI-PAC™ drum core power inductors
Effective August 2017
Product specifications
OCL1
5
Part Number
UP2UC-1R0-R
UP2UC-1R5-R
UP2UC-2R2-R
UP2UC-3R3-R
UP2UC-4R7-R
UP2UC-6R8-R
UP2UC-100-R
UP2UC-150-R
UP2UC-220-R
UP2UC-330-R
UP2UC-470-R
UP2UC-680-R
UP2UC-101-R
UP2UC-151-R
UP2UC-221-R
UP2UC-331-R
UP2UC-471-R
UP2UC-681-R
UP2UC-102-R
Irms2
(A)
6.8
6.4
6.1
5.4
4.8
4.4
3.9
3.1
2.7
2.1
1.8
1.5
1.3
1.0
0.80
0.60
0.50
0.40
0.30
µH ± 20%
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
150
220
330
470
680
1000
Isat3
(A) @ +25 °C
9.0
8.0
7.0
6.4
5.4
4.6
3.8
3.0
2.6
2.0
1.6
1.4
1.2
1.0
0.80
0.60
0.50
0.40
0.30
1 Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc
2 Irms: DC current for an approximate ΔT rise of 40 °C without core loss. Derating is necessary for
AC currents. PCB layout, trace thickness and width, air-flow and proximity of other heat generating components will affect the temperature rise. It is recommended the part temperature not
exceed +125 °C under worst case operating conditions verified in the end application.
3 Isat: Peak current for approximately 7.5% rolloff at +25 °C.
SRF MHz
Typical
100
90.0
80.0
65.0
45.0
38.0
30.0
27.0
19.0
15.0
12.0
10.0
9.0
6.0
5.0
4.5
3.5
2.5
2.0
DCR mΩ@ +20 °C DCR mΩ@ +20 °C
Typical
Maximum
4.0
9.0
4.4
10.0
5.8
12.0
9.9
15.0
12.0
18.0
25.8
27.0
25.9
38.0
35.4
46.0
55.9
85.0
81.6
100
120
140
145
200
211
280
347
400
491
610
750
1020
1188
1270
1811
2020
2757
3000
K-factor4
216
177
130
114
92.52
77.72
62.68
49.82
41.34
34.09
29.00
24.59
20.89
15.80
13.04
10.85
9.39
7.56
6.13
4 K-factor: Used to determine Bp-p for core loss (see graph). Bp-p = K * L * ΔI, Bp-p: (Gauss),
K: (K-factor from table), L: (inductance in μH), ΔI (peak-to-peak ripple current in amps).
6 Part Number Definition: UP2CU-xxx-R
• UP2CU = Product code and size
• xxx= Inductance value in μH, R = decimal point. If no R is present, then third digit
equals the number of zeros.
• “-R” suffix = RoHS compliant
Dimensions-mm
Top V iew
9.3
±0.2
B ottom V iew
S ide V iew
R ecom m ended P ad Layout
2.54
±0.2
1
5.21
m ax
S chem atic
2.79
ref
1
12.7
±0.25
U P 2U C xxx
w w llyy R
2.54
±0.2
8.4
±0.15
7.62
ref
7.62 typ
2
2
2.92
ref
Part Marking: UP2UC
xxx = Inductance value in μH (R = Decimal point). If no “R” is present, then the third digit equals the number of zeros.
wwllyy = Date code
Tolerances are ±0.254 mm unless otherwise specified.
Do not route traces or vias underneath the inductor
Packaging information-mm
1.5 dia.
2.0
4.0
Supplied in tape-and-reel packaging, 600 parts per reel, 13” diameter reel.
1.75
16
11.5
24 ±0.30
5.5
Section A-A
2
www.eaton.com/electronics
13.4
UP2UCxxx
wwllyy R
4.40
User direction of feed
UP2UCxxx
wwllyy R
9.70
UP2UCxxx
wwllyy R
R = Revision level
UP2UC
UNI-PAC™ drum core power inductors
Technical Data 4369
Effective August 2017
Temperature rise vs total loss
T e m p e ra tu re R is e (°C )
60
50
40
30
20
10
0
0
0 .1
0 .2
0 .3
0 .4
0 .5
0 .6
To ta l L o s s (W )
Core loss vs Bp-p
C o r e Lo s s v s . Bp - p
10
5 0 0 kHz
4 0 0 kHz
C o re L o ss (W )
1
3 0 0 kHz
2 0 0 kHz
1 0 0 kHz
0 .1
0 .0 1
0 .0 0 1
0 .0 0 0 1
0 .0 0 0 0 1
100
1000
10000
Bp-p (Gauss)
Inductance characteristics
% of O C L v s I s a t
110%
100%
90%
-4 0 °C
70%
+2 5 °C
60%
+8 5 °C
50%
40%
30%
20%
180%
160%
140%
120%
100%
80%
60%
40%
0%
20%
10%
0%
% of OC L
80%
% o f Is at
www.eaton.com/electronics
3
UP2UC
UNI-PAC™ drum core power inductors
Technical Data 4369
Effective August 2017
Solder Reflow Profile
TP
tP
Max. Ramp Up Rate = 3°C/s
Max. Ramp Down Rate = 6°C/s
Temperature
TL
25°C
Preheat
A
T smax
t
TC -5°C
Table 1 - Standard SnPb Solder (Tc)
Volume
mm3
220°C
220°C
Table 2 - Lead (Pb) Free Solder (T c)
Tsmin
ts
Package
Thickness
2.5mm
Time 25°C to Peak
Volume
mm3
2000
260°C
245°C
245°C
Time
Reference JDEC J-STD-020
Profile Feature
Preheat and Soak
• Temperature min. (Tsmin)
• Temperature max. (Tsmax)
• Time (Tsmin to Tsmax) (ts)
Average ramp up rate Tsmax to Tp
Liquidous temperature (TL)
Time at liquidous (tL)
Peak package body temperature (TP)*
Time (tp)** within 5 °C of the specified classification temperature (Tc)
Average ramp-down rate (Tp to Tsmax)
Time 25°C to Peak Temperature
Standard SnPb Solder
100°C
Lead (Pb) Free Solder
150°C
150°C
200°C
60-120 Seconds
60-120 Seconds
3°C/ Second Max.
3°C/ Second Max.
183°C
60-150 Seconds
217°C
60-150 Seconds
Table 1
Table 2
20 Seconds**
30 Seconds**
6°C/ Second Max.
6°C/ Second Max.
6 Minutes Max.
8 Minutes Max.
* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum.
** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum.
Life Support Policy: Eaton 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.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/electronics
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 4369 BU09493
August 2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
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