SMT Power Inductors
Shielded Drum Core - P1174NL Series
Height: 2.8mm Max
Footprint: 6.7mm x 4.5mm Max
Current Rating: up to 3.0A
Inductance Range: 1µH to 5000µH
Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C
DCR (mΩ)
MAX
Saturation 6
Current
-30% (A)
Heating 7
Current
+30°C (A)
Core Loss 8
Factor
(K2)
SRF
(MHz)
3
13
3
3.0
1600
>40
1.0
2.0
15
2.0
2.8
1900
>40
2.2
1.6
1.7
18
1.7
1.8
2300
>40
P1174.332NL
3.3
2.3
1.3
21
1.3
1.6
3400
>40
P1174.472NL
4.7
3.4
1.0
30
1.0
1.4
4100
>40
P1174.682NL
6.8
4.8
0.90
51
0.90
1.2
4500
34
P1174.103NL
10
7.2
0.80
73
0.80
1.0
5400
31
P1174.153NL *
15
14
0.60
90
0.60
0.8
6300
25
P1174.223NL
22
18
0.50
120
0.50
0.7
8000
20
P1174.333NL
33
26
0.40
188
0.40
0.6
10000
16
P1174.473NL
47
32
0.35
230
0.35
0.5
11000
14
P1174.683NL
68
45
0.32
370
0.32
0.4
14000
11
P1174.104NL *
100
74
0.28
470
0.28
0.3
17000
9.0
P1174.154NL *
150
109
0.22
620
0.22
0.26
21000
8.0
P1174.224NL *
220
161
0.15
950
0.15
0.22
26000
6.0
P1174.334NL *
330
208
0.14
1340
0.14
0.20
32000
5.0
P1174.474NL
470
350
0.13
1800
0.13
0.19
39000
3.9
P1174.604NL *
600
412
0.12
2550
0.12
0.18
43000
3.7
P1174.684NL
680
500
0.10
2650
0.10
0.17
47000
3.6
P1174.105NL
1000
744
0.07
4000
0.07
0.15
57000
2.6
P1174.335NL
3300
2300
0.065
11000
0.065
0.09
99000
1.6
P1174.505NL
5000
4900
0.05
18500
0.05
0.05
130000
1.2
Part
Number
Inductance
@ 0ADC
(μH ±20%)
Inductance
@ Irated
Typical
Irated
(ADC)
P1174.102NL
1.0
0.7
P1174.152NL *
1.5
P1174.222NL *
2, 3
5
NOTES FROM TABLE: (See page 43)
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SMT Power Inductors
Shielded Drum Core - P1174NL Series
Mechanical
P1174.XXXNL
Schematic
Weight .....................0.1 grams
Tape & Reel .............2500/reel
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
Notes from Tables: (pages 27 - 42)
1. Unless otherwise specified, all testing is made at 100kHz, 0.1VAC.
2. Optional Tape & Reel packaging can be ordered by adding a “T”
suffix to the part number (i.e P1166.102NL becomes P1166.102NLT).
Pulse complies with industry standard Tape and Tape & Reel
specification EIA481.
3. The “NL” suffix indicates an RoHS-compliant part numer. Non-NL
suffixed parts are not necessarily RoHS compliant, but are electrically
and mechanically equivalent to NL versions. If a part number does not
have the “NL” version, but an RoHS compliant version is required, please
contact Pulse for availability.
4. Temperature of the component (ambient plus temperature rise) must be
within specified operating temperature range.
5. The rated current (Irated) as listed is either the saturation current or the
heating current depending on which value is lower.
6. The saturation current, Isat, is the current at which the component inductance
drops by the indicated percentage (typical) at an ambient temperature of 25C.
This current is determined by placing the component in the specified ambient
environment and applying a short duration pulse current (to eliminate selfheating effects) to the component.
7. The heating current, Idc, is the DC current required to raise the component
temperature by the indicated delta (approximately). The heating current is
determined by mounting the component on a typical PCB and applying
current for 30 minutes. The temperature is measured by placing the
thermocouple on top of the unit under test.
7. In high volt*time (Et) or ripple current applications, additional heating in the
component can occur due to core losses in the inductor which may necessitate
derating the current in order to limit the temperature rise of the component. In
order to determine the approximate total loss (or temperature rise) for a given
application, both copper losses and core losses should be taken into account.
Estimated Temperature Rise:
Trise = [Total loss (mW) / K0] .833
(°C)
Total Loss = Copper loss + Core loss (mW)
Copper loss = IRMS 2 x DCR (Typical) (mW)
Irms = [IDC2 + ΔI 2 /12]1/2 (A)
Core loss = K1 x f (kHz)1.23 x Bac (Ga)2.38 (mW)
Bac (peak to peak flux density) = K2 x ΔI (Ga)
[= K2/L (μH) x Et (V-μSec) (Ga)]
where f varies between 25kHz and 1MHz, and Bac is
less than 2500 Gauss.
K2 is a core size and winding dependent value and is
given for each p/n in the proceeding datasheets. K0 &
K1 are platform and material dependant constants and
are given in the table below for each platform.
* Contact Pulse for availability
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SMT Power Inductors
Shielded Drum Core - P1174NL Series
Part No.
Trise Factor
(KO)
Core Loss Factor
(K1)
PG0085/86
2.3
5.29E-10
PG0087
5.8
15.2E-10
PG0040/41
0.8
2.80E-10
P1174
0.8
6.47E-10
PF0601
4.6
14.0E-10
PF0464
3.6
24.7E-10
PF0465
3.6
33.4E-10
P1166
1.9
29.6E-10
P1167
2.1
42.2E-10
PF0560NL
5.5
136E-10
P1168/69
4.8
184E-10
P1170/71
4.3
201E-10
P1172/73
5.6
411E-10
PF0552NL
8.3
201E-10
PF0553NL
7.1
411E-10
Take note that the component’s temperature rise varies depending on the system condition. It is suggested that the component be tested at the system level, to verify
the temperature rise of the component during system operation.
For More Information
Pulse Worldwide Headquarters
15255 Innovation Drive Ste 100
San Diego, CA 92128
U.S.A.
Tel: 858 674 8100
Fax: 858 674 8262
Pulse Europe
Pulse Electronics GmbH
Am Rottland 12
58540 Meinerzhagen
Germany
Pulse China Headquarters
Pulse Electronics (ShenZhen) CO., LTD
D708, Shenzhen Academy of
Aerospace Technology,
The 10th Keji South Road,
Nanshan District, Shenzhen,
P.R. China 518057
Pulse North China
Room 2704/2705
Super Ocean Finance Ctr.
2067 Yan An Road West
Shanghai 200336
China
Pulse South Asia
3 Fraser Street 0428
DUO Tower
Singapore 189352
Pulse North Asia
1F., No.111 Xiyuan Road
Zhongli District
Taoyuan City 32057
Taiwan (R.O.C)
Tel: 49 2354 777 100
Fax: 49 2354 777 168
Tel: 86 755 33966678
Fax: 86 755 33966700
Tel: 86 21 62787060
Fax: 86 2162786973
Tel: 65 6287 8998
Fax: 65 6280 0080
Tel: 886 3 4356768
Fax: 886 3 4356820
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, 2019. Pulse Electronics, Inc. All rights reserved.
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