参数资料
型号: HM78D-128470MLFTR
厂商: TT Electronics/BI
文件页数: 4/4页
文件大小: 0K
描述: INDUCTOR COUPLED 47UH SMD
标准包装: 500
系列: HM78D
每一线圈的电感: 47µH
线圈数目: 2
电流: 1.5A
容差: ±20%
电感 - 串行连接: 188µH
电感 - 并行连接: 47µH
DC 电阻(DCR): 180 毫欧
安装类型: 表面贴装
尺寸/尺寸: 0.492" L x 0.492" W(12.50mm x 12.50mm)
高度: 0.317"(8.05mm)
包装: 带卷 (TR)
Shielded Surface Mount Coupled Inductors
MODEL HM78D
Specifications @ 25°C continued
Parallel Connection
Series Connection
L
l sat
l sat
L
Part Number
HM78D-7556R8MLF
HM78D-7558R2MLF
HM78D-755100MLF
HM78D-755150MLF
HM78D-755220MLF
HM78D-755330MLF
HM78D-755470MLF
HM78D-755680MLF
HM78D-755820MLF
HM78D-755101MLF
HM78D-755151MLF
HM78D-755221MLF
HM78D-755331MLF
HM78D-755471MLF
HM78D-755681MLF
HM78D-755821MLF
HM78D-755102MLF
(1)
(μH)
6.8 ± 20%
8.2 ± 20%
10 ± 20%
15 ± 20%
22 ± 20%
33 ± 20%
47 ± 20%
68 ± 20%
82 ± 20%
100 ± 20%
150 ± 20%
220 ± 20%
330 ± 20%
470 ± 20%
680 ± 20%
820 ± 20%
1000 ± 20%
DCR Typ.
( ? )
0.0418
0.0441
0.0489
0.0637
0.0925
0.143
0.216
0.265
0.345
0.383
0.591
0.907
1.41
1.74
2.58
2.93
3.89
(2)
3.67
3.40
3.17
2.48
2.13
1.73
1.41
1.19
1.11
0.99
0.81
0.66
0.54
0.46
0.38
0.35
0.31
(3)
(A)
2.60
2.53
2.41
2.11
1.75
1.41
1.15
1.03
0.91
0.86
0.69
0.56
0.45
0.40
0.33
0.31
0.27
(4)
(A)
(1)
(μH)
29.38 ± 20%
34.26 ± 20%
39.53 ± 20%
64.36 ± 20%
86.92 ± 20%
132 ± 20%
198.6 ± 20%
278.7 ± 20%
323.8 ± 20%
406.4 ± 20%
600 ± 20%
908 ± 20%
1342 ± 20%
1861 ± 20%
2685 ± 20%
3251 ± 20%
4036 ± 20%
DCR Typ. (2)
( ? )
0.167
0.177
0.196
0.255
0.371
0.574
0.865
1.06
1.38
1.53
2.37
3.63
5.66
6.97
10.30
11.70
15.60
1.84
1.70
1.58
1.24
1.07
0.87
0.71
0.60
0.55
0.49
0.41
0.33
0.27
0.23
0.19
0.17
0.16
l sat (3)
(A)
l sat (4)
(A)
1.30
1.27
1.20
1.05
0.874
0.702
0.573
0.517
0.453
0.430
0.346
0.279
0.224
0.202
0.166
0.156
0.135
Notes:
(1) Inductance is measured at 100 kHz, 0.1Vrms without DC current.
(2) DCR Typ. is only for 755 series while 128 series is of DCR Max.
(3) I sat is the saturation current at which inductance rolls off approximately 30% from its initial (zero DC) value.
(4) I rms is the approximate current at which Δ T = 40°C.
Outline Dimensions (mm)
Top View
Side View
Bottom View
Recommended Solder Pad Layout
Case Size
128
755
A
12.5
7.7
B
12.5
7.7
C
8.05
4.8
D
5.0
3.9
E
5.0
2.7
F
3.5
1.55
G
1.5
0.72
H
4.2
2.2
I
5.5
2.8
J
4.5
3.1
K
2.0
1.0
L
12.8
7.5
M
4.2
2.2
N
4.5
3.1
P
2.0
1.0
Q
4.2
2.2
R
5.5
2.8
S
4.5
3.1
Packaging
Embossed Tape and Ree l
Standard:
Reel:
Diameter:
Capacity:
Case size 128
=
=
13” (330.2mm)
500 Units
Case size 755
Ordering Information
HM78D - 1 28 4R7 M LF T R
=
1,000 Units
Model Series
Case Size:
128, 755
Inductance Code:
First 2 digits are significant. Last digit denotes
the number of trailing zeros. For values below
Tape & Reel Packing
Lead-Free
Inductance Tolerance
K = ± 10%
M = ± 20%
10μH, “R” denotes the decimal point.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com
? TT electronics plc
05.12
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HM78D-128471KLF 制造商:TT Electronics / BI Technologies 功能描述:SMT COUPLED INDUCTOR
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HM78D-1284R7MLFTR 功能描述:固定电感器 4.7uH 20% RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
HM78D-128560MLFTR 功能描述:固定电感器 Shielded Surface Mount Coupled Inductors RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
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