SMT Power Inductors
Power Beads - PA1682NL Series
Current Rating:
Over 75Apk
Inductance Range:
70nH to 175nH
Height:
4.0mm Max
Footprint:
8.0mm x 7.0mm Max
Electrical Specifications @ 25°C - Operating Temperature -40°C to +125°C
Part Number
PA1682.700NL
PA1682.101NL
PA1682.151NL
PA1682.181NL
Inductance
@0A
dc
(nH ±20%)
70
100
140
175
Inductance
@ Irated
(nH TYP)
70
100
112
140
Irated
(A
DC
)
31
40
28
22
1
DCR
(mΩ MAX)
2
Saturation Current
3
(A TYP)
25°C
100°C
63
46
34
26
60
40
28
22
Heating
4
Current
(A TYP)
0.5 ±8%
31
Notes
1. The rated current as listed is either the saturation current or the heating current
depending on which value is lower.
2. The nominal DCR is measured from point a to point b , as shown below on the
mechanical drawing.
3. The saturation current is the typical current which causes the inductance to drop by
20% at the stated ambient temperatures (25°C and 100°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.
4. The heating current is the DC current which causes the part temperature
to increase by approximately 40°C. This current is determined by solder-
ing the component on a typical application PCB, and then applying the current to the
device for 30 minutes with 25LFM of forced air cooling.
5. 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. To determine the approximate total losses (or
temperature rise) for a given application, the coreloss and temperature rise curves can
be used.
6. Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part
number (i.e. PA1682.700NL becomes PA1682.700NLT).
Pulse complies to industry standard tape and reel specification EIA481. The tape
and reel for this product has a width (W=24mm), pitch (Po=12.0mm) and depth
(Ko=4.2mm).
7. The temperature of the component (ambient plus temperature rise) must be within
the stated operating temperature range.
Mechanicals
PL2085
Schematics
1
2
.284
7,21
Weight
. . . . . . . . . . . . 0 .94 grams
Tape & Reel
. . . . . . . . . 1200/tray
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances
are ± .010
0,25
USA 858 674 8100
1
Germany 49 7032 7806 0
Singapore 65 6287 8998
Shanghai 86 21 62787060
China 86 755 33966678
Taiwan 886 3 4356768
P668.D (02/13)
pulseelectronics.com
SMT Power Inductors
Power Beads - PA1682NL Series
Typical Inducance vs DC Bias @ 25°C
Inductance (nH)
200
150
100
50
0
0
10
20
30
40
.101NL
50
60
.181NL
.151NL
.700NL
70
DC Bias (A)
Typical Inducance vs DC Bias @ 100°C
200
Inductance (nH)
150
100
50
0
0
10
20
.181NL
30
.151NL
40
.101NL
50
60
.700NL
70
DC Bias (A)
Temp Rise above Ambient (C) (Trise = 83.7 *
Total Power Dissipation
.833
)
CoreLoss (W)
0.60
0.50
CoreLoss (W)
0.40
0.30
0.20
0.10
0.00
1.0
MHz
700
kHz
600
kHz
Temp Rise vs Power Dissipation
130
120
110
100
90
80
70
60
50
40
30
20
10
0
500
kHz
400
kHz
300
kHz
200
kHz
0
500
1000
1500
2000
2500
3000
0
DB
where
DB
= 0.88 * L(nH) *
DI
0.2
0.4
0.6
0.8
1.0
1.4
1.6
1.2
Total Power Dissipation (W) = CopperLoss + CoreLoss
CopperLoss = Irms
2
* Rdc(mW) / 1000
CoreLoss = (from table)
1.8
For More Information
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA
92128
U.S.A.
Tel: 858 674 8100
Fax: 858 674 8262
Pulse Europe
Einsteinstrasse 1
D-71083 Herren-
berg
Germany
Pulse China Headquarters
B402, Shenzhen Academy of
Aerospace Technol-
ogy Bldg.
10th Kejinan Road
High-Tech Zone
Nanshan District
Shenzen, PR China
518057
Tel: 86 755 33966678
Fax: 86 755 33966700
Pulse North China
Room 2704/2705
Super Ocean Finance
Ctr.
2067 Yan An Road
West
Shanghai 200336
China
Tel: 86 21 62787060
Fax: 86 2162786973
Pulse South Asia
135 Joo Seng Road
#03-02
PM Industrial Bldg.
Singapore 368363
Tel: 65 6287 8998
Fax: 65 6287 8998
Pulse North Asia
3F, No. 198
Zhongyuan Road
Zhongli City
Taoyuan County 320
Taiwan R. O. C.
Tel: 886 3 4356768
Fax: 886 3 4356823 (Pulse)
Fax: 886 3 4356820 (FRE)
Tel: 49 7032 78060
Fax: 49 7032 7806 135
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. © Copyright, 2013. Pulse Electronics, Inc. All rights reserved.
2
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