SMT POWER INDUCTORS
Power Beads - PA0135 Series
Height: 7.1mm Max
Footprint: 13.0mm x 13.0mm Max
Current Rating: up to 40A
Inductance Range: .074µH to 0.9µH
Electrical Specifications @ 25°C — Operating Temperature -40°C to +130°C
5,6
Part
Number
Inductance
@Irated
(nH ± 20%)
Irated
(ADC)
DCR
(mΩ)
3
TYP
Inductance Saturation Current 2
(ADC)
@0ADC
(nH ± 20%)
25°C
125°C
MAX
VOLTA 5
PA0135.331
74
40
0.18
0.225
PA0135.471
105
40
0.18
0.225
PA0135.681
153
34
0.18
0.225
PA0135.102
225
24
0.18
0.225
PA0135.331
297
20
0.74
0.9*
PA0135.471
423
20
0.74
0.9*
PA0135.681
612
19
0.74
0.9*
PA0135.102
900
14
0.74
0.9*
* DCR rating for indicated parts is for both windings tied in series.
82.5
118
170
250
330
470
680
1000
40+
40+
40+
35
40+
37
25
18
Heating 3
Current
(A)
Trise 4
Factor
K0
40
40
40
40
20
20
20
20
6.38037
6.38037
6.38037
6.38037
6.38037
6.38037
6.38037
6.38037
40+
40+
34
24
32
26
19
14
Core Loss Factor 4
K1
K2
0.02566
0.02566
0.02566
0.02566
0.02566
0.02566
0.02566
0.02566
0.01547
0.02204
0.03188
0.04689
0.03094
0.04407
0.06377
0.09377
.510 MAX
12,95
4
.510 MAX
12,95
.140 )
(2X 3,56
.300
7,62
3
.250
6,35
PA0135.XXXXT
.550
13,97
.250
6,35
2
SUGGESTED PAD LAYOUT
(Series Configuration)
SUGGESTED PAD LAYOUT
(Parallel Configuration)
.280 MAX
7,11
.120 MAX
3,05
.170 MAX
4,32
.260
6,60
.125 )
(2X 3,18
.157
4,00
.016
0,41
.520
13,21
.520
13,21
2
4
3
1
2
4
3
Series Hookup
1
2
4
3
Pa r a l l e l H o o k u p
.079
2,00
.069
1,75
.453
11,51
TAPE & REEL LAYOUT
1
.550
13,97
Date Code
Country of Origin
1
Parallel
Parallel
Parallel
Parallel
Series
Series
Series
Series
Schematic
Mechanical
.300
7,62
Connection
.630
16,00
.945 ± .012
24,00 ± 0,30
USER DIRECTION OF FEED
Weight . . . . . . . 4.15 grams
Tape & Reel . . . . . . 500/reel
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
US 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 6287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com
P525.B (5/05)
SMT POWER INDUCTORS
Power Beads - PA0135 Series
Notes from Tables
1. The rated current as listed is either the saturation current or the
heating current depending on which value is lower.
2. The saturation current is the current which causes the
inductance to drop by 10% at the stated ambient temperatures
(-40°C, 25°C, 125°C). This current is determined by placing the
component in the specified ambient environment and applying
a short duration pulse current (to eliminate self-heating effects)
to the component.
3. The heating current is the DC current which causes the temperature of the part to increase by approximately 40°C. This current is determined by mounting the component on a PCB with
.25" wide, 2 oz. equivalent copper traces, and applying the current to the device for 30 minutes. In the series hookup mode,
the resistance of the interconnection needs to be taken into
account when calculating temperature rise.
4. In high volt*time applications additional heating in the
component can occur due to core losses in the inductor
which may neccessitate derating the current in order to limit
the temperature rise of the component. In order to determine
the approximate total losses (or temperature rise) for a given
application, both copper losses and core losses should be
taken into account.
5. Optional Tape & Reel packaging can be ordered by adding a
“T” suffix to the part number, (i.e. PA0135.102T).
6. To order RoHS compliant part, add the suffix “NL” to the part
number (i.e. PA0135.102 becomes PA0135.102NL and
PA0135.102T becomes PA0135.102NLT).
Estimated Temperature Rise:
.833
Trise = Coreloss (mW) + DCRloss (mW)
(°C)
K0
Coreloss = K1 * ( Fsw(kHz)) 1.6688 * (K2 * dI)2.17 (mW)
DCRloss = Irms2 * DCR(mΩ) (mW)
½
IDC 2 + dI 2
(Arms)
12
Fsw(kHz) = switching frequency (kHz)
Irms =
dI = delta I across the component (A)
The temperature of the component (ambient temperature +
temperature rise) should be within the listed operating
temperature range.
Inductance vs Current Characteristics
Percentage of Initial Inductance
P2
P1
120
P3
100
80
60
40
20
0
0
0.2
0.4
0.6
0.8
1.0
Normalized IDC
1.2
1.4
1.6
1.8
P1 - Initial Inductance, LO (.1VRMS, 300kHz, 0ADC, 25°C)
P2 - Inductance (typically 95% LO) at Rated IDC.
P3 - Inductance (typically 90% LO) at IPK.
Normalized Inductance
For More Information:
UNITED STATES
(Worldwide)
UNITED KINGDOM
(Northern Europe)
FRANCE
(Southern Europe)
SINGAPORE
(Southern Asia)
TAIWAN, R.O.C.
(Northern Asia)
HONG KONG
(China/Hong Kong)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
3 Huxley Road
Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 6287 8998
FAX: 65 6280 0080
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
Unit 11, 11/F
Wah Lai Industrial Centre
10-14 Kwei Tei Street,
Fotan, Shatin, Hong Kong
TEL: 852 2788 6588
FAX: 852 2776 1055
DISTRIBUTOR
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
©2005, Pulse Engineering, Inc. All Rights Reserved.
P525.B (5/05)