SMT Power Inductors
Shielded Drum Core - P1166NL Series
Height: 3.8mm Max
Footprint: 7.5mm x 7.5mm Max
Current Rating: up to 5.5A
Inductance Range: .44µH to 750µH
Electrical Specifications @ 25°C - Operating Temperature -40°C to +130°C
DCR (mΩ)
Heating 7
Current
+40°C (A)
Core Loss 8
Factor
(K2)
SRF
(MHz)
TYP
MAX
Saturation 6
Current
-25% (A)
5.5
5.0
6.0
5.9
5.5
380
>40
0.65
4.9
6.2
7.5
5.2
4.9
440
>40
1.60*
1.0
4.0
7.8
11
4.0
4.4
570
>40
P1166.302NL
3.00*
2.0
2.8
19
23
3.0
2.8
780
>40
P1166.482NL
4.80*
3.1
2.4
25
31
2.4
2.5
990
>40
P1166.682NL
6.80*
4.4
2.1
32
40
2.1
2.2
1200
38
P1166.103NL
10
7.5
1.6
58
70
1.8
1.6
1400
29
P1166.123NL **
12
9.0
1.5
62
78
1.7
1.5
1500
25
P1166.153NL **
15
11.3
1.4
74
92
1.5
1.4
1700
22
P1166.183NL **
18
13.5
1.2
100
124
1.4
1.2
1800
21
P1166.223NL
22
16.5
1.2
106
126
1.2
1.2
2000
20
P1166.273NL **
27
20.3
1.0
146
180
1.1
1.0
2300
17
P1166.333NL **
33
24.8
0.94
167
205
1.0
0.94
2400
15
P1166.393NL **
39
29.3
0.86
183
211
0.86
0.90
2700
13
P1166.473NL
47
35.3
0.83
206
260
0.83
0.85
2900
12
P1166.563NL **
56
42.0
0.73
271
340
0.73
0.74
3300
11
P1166.683NL **
68
51.0
0.67
303
370
0.67
0.70
3600
9.5
P1166.823NL **
82
61.5
0.60
411
500
0.61
0.60
4000
8.0
P1166.104NL
100
75.0
0.56
464
580
0.56
0.57
4300
7.5
P1166.124NL **
120
90.0
0.53
528
645
0.55
0.53
4700
7.0
P1166.154NL
150
113
0.46
695
860
0.46
0.46
5300
6.3
P1166.184NL **
180
135
0.39
992
1190
0.42
0.39
5800
5.6
P1166.224NL
220
165
0.35
1210
1480
0.37
0.35
6400
5.1
P1166.274NL **
270
203
0.32
1407
1750
0.32
0.33
7100
4.6
P1166.334NL
330
248
0.31
1580
1880
0.31
0.31
7800
4.1
P1166.394NL **
390
293
0.26
2178
2600
0.29
0.26
8500
3.9
P1166.474NL **
470
353
0.25
2400
2910
0.26
0.25
9500
3.6
P1166.564NL **
560
420
0.23
2705
3400
0.23
0.23
10000
3.1
P1166.684NL **
680
510
0.20
3658
4450
0.21
0.20
11000
2.7
P1166.824NL
820
615
0.17
5021
6200
0.20
0.17
13000
2.5
P1166.105NL
1000
750
0.15
6720
8000
0.16
0.15
14000
1.3
Part
Number
Inductance
@ 0ADC
(μH ±20%)
Inductance
@ Irated
(μH) MIN
Irated
(ADC)
P1166.681NL **
0.68*
0.44
P1166.102NL
1.00*
P1166.162NL
2, 3
5
* Inductance is at 0ADC tolerance on indicated part numbers is ±30%; tolerance is ±20% on all other parts.
** Contact Pulse for availability
34
power.pulseelectronics.com
SMP2007 (07/17)
NOTES FROM TABLE: (See page 43)
http://www.power.pulseelectronics.com/contact
SMT Power Inductors
Shielded Drum Core - P1166NL Series
Mechanical
Schematic
P1166.XXXNL
Weight .....................0.7 grams
Tape & Reel ..............1200/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.
43
power.pulseelectronics.com
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.
SMP2007 (07/17)
http://www.power.pulseelectronics.com/contact
SMT Power Inductors
Shielded Drum Core - P1166NL 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.
44
power.pulseelectronics.com
SMP2007 (07/17)
http://www.power.pulseelectronics.com/contact
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