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參數資料
| 型號： | P0178 |
| 英文描述： | MCU CMOS 28 LD 20MHZ 8K OTP, -40C to +85C, 28-SPDIP, TUBE |
| 中文描述： | “表面環形電感器（屏蔽） -兩個繞組：超薄- ”“室內條件”“” |
| 文件頁數： | 1/1頁 |
| 文件大小： | 67K |
| 代理商： | P0178 |
PC500.B (5/02)
24
US 858 674 8100
UK 44 1483 401 700
France 33 3 84 35 04 04
Singapore 65 287 8998
Taiwan 886 2 2698 0228
Hong Kong 852 2788 6588
http://www.pulseeng.com
LOW PROFILE SELF-LEADED
SMT DUAL INDUCTORS
Materials meet UL 94V-0 rating
Frequency range of up to 1 MHz
Can be used as a simple inductor, 1:1
coupled inductor, or 1:1 transformer
1
2
3
4
4X 1,52
4X 4,45
Suggested Pad Layout
.500 MAX
.215 MAX
.410
10,41
.330
8,38
.410
10,41
R
.500 MAX
P01XX
CoDate Code
.005/0,13
4 SURFACES
.330
8,38
4
1
2
3
1:1 ±1%
Mechanical
Schematic
ID
Reference Values
L @ DC
L
(μH)
336.7
245.3
170.3
117.3
84.2
79.0
61.3
56.2
42.6
37.3
29.3
20.0
19.7
14.1
9.6
9.3
7.8
5.0
2.4
2.0
Control Values
L
W/O
DC
L
0
(μH)
364.0
270.2
190.3
131.0
91.0
88.2
67.5
62.8
47.6
41.7
32.8
22.1
22.1
15.7
10.4
10.4
8.6
5.5
2.6
2.2
Calculation Data
100 Gauss
ET
(V-μsec)
15.66
13.50
11.33
9.40
7.83
7.71
6.75
6.51
5.66
5.30
4.70
3.86
3.86
3.25
2.65
2.65
2.41
1.93
1.33
1.20
1 Amp DC
H
(Orsted)
70.59
60.82
51.05
42.36
35.30
34.75
30.41
29.32
25.52
23.89
21.18
17.38
17.38
14.66
11.95
11.95
10.86
8.69
5.97
5.43
Part
Number
Hookup
I
DC
(A)
ET
DCR (MAX)
(m
)
(V-μsec)
P0183
P0182
P0181
P0180
P0183
P0179
P0182
P0178
P0181
P0177
P0180
P0176
P0179
P0178
P0175
P0177
P0174
P0176
P0175
P0174
Series
Series
Series
Series
Parallel
Series
Parallel
Series
Parallel
Series
Parallel
Series
Parallel
Parallel
Series
Parallel
Series
Parallel
Parallel
Parallel
0.61
0.74
0.90
1.08
1.22
1.32
1.48
1.56
1.80
1.92
2.16
2.60
2.64
3.12
3.60
3.84
4.15
5.20
7.20
8.30
92.43
81.70
68.99
57.00
46.22
46.90
40.85
39.46
34.49
32.25
28.50
23.43
23.45
19.73
15.62
16.12
14.61
11.72
7.81
7.31
1295
897
603
424
324
265
224
181
151
119
106
76.0
66.3
45.3
43.6
29.8
30.3
19.0
10.9
7.6
Electrical Specifications @ 25°C — Operating Temperature -40°C to +130°C
NOTES:
1. The reference inductance at rated DC current is a typical value.
2. Temperature rise is 50°C in typical buck or boost circuits at 250 KHz and with the
reference ET applied to the inductor.
3. Total loss in the inductor is 380 mWatts for a 50°C temperature rise above ambient.
4. To estimate temperature rise in a given application, determine copper and core
losses, divide by 380 and multiply by 50.
5. For the copper loss, calculate I
DC
2
X R
N
.
6. For core loss, using frequency (f) and operating flux density (B),
calculate 6.11 x 10
x B
x f
.
7. For flux density (B), calculate ET (V-μsec) for the application, divide by ET
100
from
the table, and multiply by 100.
8. Limit the DC bias (H) to 46 orsteds. Calculate H by multiplying H
1
from the table by
I
of the application.
9. The maximum DCR listed is approximately 17% over the nominal DCR.
10. Add suffix
"T"
to part number for tape and reel package (i.e. P0183
T
).
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ±.010
0,25
Weight
. . . . . . . . 1.5 grams
Tape & Reel
. . . . . . 500/reel
Tube
. . . . . . . . . . . . 40/tube
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相關代理商/技術參數 |
參數描述 |
|---|---|
| P0178NL | 功能描述:耦合電感 56.2uH 20% TUBE RoHS:否 制造商:Bourns 電感 - 并聯:10 uH 電感 - 串聯:40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
| P0178NLT | 功能描述:耦合電感 56.2uH 20% REEL RoHS:否 制造商:Bourns 電感 - 并聯:10 uH 電感 - 串聯:40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
| P0178T | 功能描述:耦合電感 56.2uH 20% REEL RoHS:否 制造商:Bourns 電感 - 并聯:10 uH 電感 - 串聯:40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
| P0179 | 功能描述:耦合電感 79uH 20% TUBE RoHS:否 制造商:Bourns 電感 - 并聯:10 uH 電感 - 串聯:40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
| P0179NL | 功能描述:耦合電感 79uH 20% TUBE RoHS:否 制造商:Bourns 電感 - 并聯:10 uH 電感 - 串聯:40 uH 容差:20 % 最大直流電流:2.08 A 最大直流電阻:0.0826 Ohms 端接類型:SMD/SMT 工作溫度范圍:- 40 C to + 105 C 系列:SRF0703 類型:Dual-Winding Shielded Power Inductors |
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