LPC4235 & LPC4545
power chip inductor
EU
features
•
Low DC resistance and high allowable current are
realized by the original construction and wiring technology
•
Automatic surface mounting is applicable
•
Excellent solderability and endurance environment
•
Suitable for reflow soldering
•
Marking: Black body color with no marking
•
Products meet EU RoHS requirements
•
AEC-Q200 Qualified
dimensions and construction
LPC4235
L
H
A
Base
W
Size
4235
B
L
Dimensions
inches
(mm)
H Max.
A
W
B
Ferrite
Core
.177±.008 .165±.008 .138 Max. .039±.008 .079±.008
(4.5±0.2) (4.2±0.2) (3.5 Max.) (1.0±0.2) (2.0±0.2)
.161±.012 .181±.016 .181 Max. .126±.012
(4.1±0.3) (4.6±0.4) (4.6 Max.) (3.2±0.3)
––
4545
LPC4545
L
Magnet
Wire
A
Electrode
Electrode
Ferrite
Core
H
W
ordering information
New Part #
LPC
Type
4235
Size
4235
4545
T
Termination
Material
T: Sn
(4235 only)
C: Sn/Cu
(4545 only)
TED
Packaging
TM: taping
(4235)
TE: taping
(4545)
221
Nominal
Inductance
3 digits
221: 220µH
K
Tolerance
K: ±10%
M:±20%
For further information
on packaging, please
refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/03/13
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
213
inductors
LPC4235 & LPC4545
power chip inductor
applications and ratings
Part
Designation
LPC4235TTM R82M
LPC4235TTM 1R0M
LPC4235TTM 1R2M
LPC4235TTM 1R5M
LPC4235TTM 2R2M
LPC4235TTM 3R3M
LPC4235TTM 4R7M
LPC4235TTM 6R8M
LPC4235TTM 100K
LPC4235TTM 150K
LPC4235TTM 220K
LPC4235TTM 330K
LPC4235TTM 470K
LPC4235TTM 680K
LPC4235TTM 101K
LPC4235TTM 151K
LPC4235TTM 221K
LPC4545CTE 1R0M
LPC4545CTE 1R5M
LPC4545CTE 2R2M
LPC4545CTE 3R3M
LPC4545CTE 4R7M
LPC4545CTE 6R8M
LPC4545CTE 100K
LPC4545CTE 150K
LPC4545CTE 220K
LPC4545CTE 330K
LPC4545CTE 470K
LPC4545CTE 680K
LPC4545CTE 101K
LPC4545CTE 151K
LPC4545CTE 221K
LPC4545CTE 331K
LPC4545CTE 471K
LPC4545CTE 681K
LPC4545CTE 152K
LPC4545CTE 222K
Inductance
(µH)
0.82
1.0
1.2
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1500
2200
Inductance
Tolerance
Self Resonant
Frequency
Minimum
(MHz)
146.6
125.1
114.7
101.4
78.8
66.7
52.0
43.5
33.5
29.1
21.7
13.9
12.0
12.7
10.4
7.5
6.7
90.0
65.0
50.0
40.0
35.0
25.0
23.0
15.0
13.0
10.0
9.0
7.5
5.5
5.0
4.0
2.5
2.0
1.8
1.3
0.9
DC
Resistance
Maximum
(Ω)
0.017
0.020
0.023
0.031
0.039
0.070
0.090
0.109
0.190
0.230
0.366
0.542
0.688
1.30
1.66
2.96
3.77
0.015
0.02
0.023
0.044
0.062
0.075
0.1
0.15
0.21
0.41
0.52
0.67
0.92
1.8
2.25
4.27
5.23
6.67
17.04
35.0
Allowable
DC Current
Maximum
(Amps)
3.34
3.27
3.10
2.53
2.28
1.63
1.44
1.29
0.91
0.87
0.69
0.52
0.47
0.34
0.31
0.22
0.20
3.66
3.21
2.96
2.19
1.81
1.60
1.43
1.04
0.88
0.60
0.53
0.49
0.41
0.29
0.26
0.19
0.17
0.15
0.10
0.07
M: ±20%
inductors
K: ±10%
M: ±20%
K: ±10%
Operating temperature range: -40°C – +125°C (the self-temperature rise is contained)
Allowable current is a DC Current which causes initial inductance to decrease by 10%. Or coil temperature to rise by 40°C, whichever is smaller
environmental applications
Performance Characteristics
Parameter
High Temperature Exposure
Maximum
∆
L
±5%
+125°C ± 2°C, 1000 hours
Test Method
Low Temperature Exposure
±5%
-40°C, 1000 hours
Moisture Exposure
±5%
+40°C ± 2°C, 90 - 95% RH, 1000 hours
Rapid Change of Temperature
±5%
-40°C (30 minutes)/+125°C (30 minutes), 100 cycles
Surface Temperature Rise graphs and additional environmental applications can be found at www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/17/11
214
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Embedded System
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