LMDH74T-151K-N
更新时间：2024-09-18 23:08:53
品牌：LEIDITECH
描述：This specification applies to SMD Shielded Power Choke
概述
数据手册LMDH74T-151K-N 概述
This specification applies to SMD Shielded Power Choke
LMDH74T-151K-N 数据手册
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PDF下载LMDH47T Series
This specification applies to SMD Shielded Power Choke
Scope:
1
2
Part Numbering:
LMDH
Rating:
3
4
Operating Temperature: －４０℃～１０５℃(Including self - temperature rise)
Storage Temperature: ２０℃～２５℃ R.H.６５％(In Tape & Reel Condition)
Marking:
LMDH74T-100M-N
Standard Testing Condition
5
Unless otherwise specified
In case of doubt
20 2
Temperature
Humidity
Ordinary Temperature(15 to 35 )
Ordinary Humidity(25 to 85% RH)
60 to 70 % RH
1/10
Rev 2.0 :12.01.2019
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LMDH74T Series
6
Configuration and Dimensions:
LMDH74
Electrical Characteristics:
7
Inductance
(uH )
Test Freq.
RDC
Isat
(A)
Tolerance
Marking
Part No.
(Ω)Max.
LMDH74T-1R5□-N
LMDH74T-1R8□-N
LMDH74T-2R2□-N
LMDH74T-2R7□-N
LMDH74T-3R3□-N
LMDH74T-3R6□-N
LMDH74T-4R7□-N
LMDH74T-6R8□-N
LMDH74T-100□-N
LMDH74T-120□-N
LMDH74T-150□-N
LMDH74T-180□-N
LMDH74T-220□-N
LMDH74T-270□-N
LMDH74T-330□-N
LMDH74T-390□-N
LMDH74T-470□-N
LMDH74T-560□-N
LMDH74T-680□-N
LMDH74T-820□-N
LMDH74T-101□-N
LMDH74T-121□-N
LMDH74T-151□-N
LMDH74T-181□-N
LMDH74T-221□-N
1.5
1.8
2.2
2.7
3.3
3.6
4.7
6.8
10
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
0.02
0.025
0.025
0.03
5
M
M
1R5
1R8
2R2
2R7
3R3
3R6
4R7
6R8
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
4
3.5
M,T
M,T
M,T
M,T
M,T
M
3.5
0.035
0.035
0.035
0.045
0.049
0.058
0.081
0.091
0.11
3.5
3.2
3
2.5
1.84
1.71
1.47
1.31
1.23
1.12
0.96
0.91
0.88
0.75
0.69
0.61
0.6
M
12
M
15
M
18
M
22
M
27
0.15
M
33
0.17
M
39
0.23
M
47
0.26
M
56
0.35
M
68
0.38
M
82
0.43
M
100
120
150
180
220
0.61
M
0.66
0.52
0.46
0.42
0.36
M
0.88
M
0.98
M
1.17
K,M
NOTE: □-tolerance K= 10% / M= 20% / T= 30%
1.Operating temperature range
(Including self - temperature rise)
2.Isat for Inductance drop 35% from its value without current.
"-N" FOR COMPLETELY LEAD FREE TYPE(INCLUDING FERRITE BODY & SOLDER)
2/10
Rev 2.0 :12.01.2019
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LMDH74T Series
Inductance
(uH )
Test Freq.
RDC
Isat
(A)
Tolerance
Marking
Part No.
(Ω)Max.
LMDH74T-271□-N
LMDH74T-331□-N
LMDH74T-391□-N
LMDH74T-471□-N
LMDH74T-561□-N
LMDH74T-681□-N
LMDH74T-821□-N
LMDH74T-102□-N
270
330
390
470
560
680
820
1000
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1 kHz,1 V
1.64
1.86
2.85
3.01
3.62
4.63
5.2
0.34
0.32
0.29
0.26
0.23
0.22
0.2
K,M
K,M
K,M
K,M
K,M
K,M
K,M
K,M
271
331
391
471
561
681
821
102
6
0.18
3/10
Rev 2.0 :12.01.2019
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LMDH74T Series
LMDH74T Series
8.1 Construction:
8
8.2 Material List:
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Rev 2.0 :12.01.2019
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LMDH74T Series
Reliability Of Ferrite Wire Wound Power Inductor
1-1.Mechanical Performance
9
Test Method
Test device shall be soldered on the substrate
No
1-1-1 Vibration
Item
Specification
Appearance: No damage
Inductance:within 10% of
initial value
Oscillation Frequency: 10 to 55 to 10Hz for 1min
Amplitude: 1.5mm
Time: 2hrs for each axis (X, Y & Z), total 6hrs
1-1-2 Resistance to Soldering Heat Appearance: No damage
Pre-heating: 150 , 1min
Solder Composition: Sn/Ag3.0/Cu0.5
Solder Temperature: 260 5
Immersion Time: 10 1sec
Pre-heating: 150 , 1min
1-1-3 Solder ability
The electrodes shall be at
least 95% covered with new Solder Composition: Sn/Ag3.0/Cu0.5
solder coating
Solder Temperature: 245 5
Immersion Time: 4 1sec
1-1-4 Resistance to solvent
There must be no change in Inductors must withstand 6 minutes of alcohol or water.
appearance or obliteration of
marking.
1-2.Environmental Performance
Test Method
10 cycles (Air to Air) 1 cycles shall consist of:
30 minutes exposure to –55
No Item
1-2-1 Temperature Shock
Specification
Appearance: No damage
Inductance:within 10% of
initial value
30 minutes exposure to 125
15 seconds maximum transition between temperatures
One cycle:
1-2-2 Temperature Cycle
Step
Time (min)
Temperature (
-40 3
)
1
30
3
2
25 2
3
105 3
30
3
4
25 2
Total: 100cycles
Measured after exposure in the room condition for 24hrs
Temperature: 40 2
1-2-3 Humidity Resistance
1-2-4 Heat Life
Relative Humidity: 90 ~ 95%
Time: 1000hrs
Measured after exposure in the room condition for 24hrs
Temperature: 85 3
Relative Humidity: 20%
Applied Current: Rated Current
Time: 1000hrs
Measured after exposure in the room condition for 24hrs
Temperature: -40 3
1-2-5 Cold Resistance
Relative Humidity: 0%
Time: 1000hrs
Measured after exposure in the room condition for 24hrs
5/10
Rev 2.0 :12.01.2019
www.leiditech.com
LMDH74T Series
6/10
Rev 2.0 :12.01.2019
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LMDH74T Series
10 Test Data
LeiditechP/N: LMDH74T-100M-N
Measured
Item
L
RDC
Isat
(A)
A
B
C
D
(uH)
(Ω)
m/m
m/m
m/m
m/m
Spec Customer
Suggest
10 20%
0.049+0
1.84
7.3 0.2
7.3 0.2
4.5+0
Test Freq.
1kHz 1V
10.1
9.6
1
0.043
0.041
0.043
0.43
OK
OK
OK
OK
OK
7.33
7.34
7.32
7.34
7.33
7.32
7.31
7.31
7.35
7.35
4.23
4.26
4.38
4.35
4.3
2
3
10
4
10.7
9.9
5
0.041
6
7
8
9
10
11
12
13
14
15
X
10.06
1.1
0.1196
0.389
7.332
0.02
7.328
0.04
4.304
0.15
R
Customer
Sample
Test Instrument
L:E4980 or HP4284A
RDC:CHEN HWA 502
Isat:HP4284A+HP42841A or WK3260B+WK3265B
Appearance and Dimensions:
SPEC : Refer to Item 6
Test Method : Visual Inspection and Measured with Slide Calipers.
Test Conditions:
Unless Otherwise Specified
ln Case of Doubt
Temperature
Humidity
Ordinary Temperature (15 to 35
)
20
2
Ordinary Humidity (25 to 85 %RH)
60 to 70 %RH
7/10
Rev 2.0 :12.01.2019
www.leiditech.com
LMDH74T Series
Packaging:
11
11.1 Packaging -Cover Tape
The force for tearing off cover tape is 10 to 130 grams in the arrow direction.
11.2 Packaging Quantity
LMDH73
LMDH74
LMDH124
LMDH125
LMDH127
11.3 Reel Dimensions
LMDH73
LMDH74
LMDH124
LMDH125
LMDH127
8/10
Rev 2.0 :12.01.2019
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LMDH74T Series
11
Packaging:
11.4 Tape Dimensions in mm
LMDH74
Recommended Land Pattern:
12
LMDH73
LMDH74
Note:
13
1. Please make sure that your product has been evaluated and confirmed against your specifications
when our product is mounted to your product.
2. Do not knock nor drop.
3. All the items and parameters in this product specification have been prescribed on the premise that
our product is used for the purpose,under the condition and in the environment agreed upon between
you and us. You are requested not to use our product deviating from such agreement.
4. Please keep the distance between transformer/coil and other components (refer to the standard IEC 950)
5. The moisture sensitivity level (MSL) of products is classified as level 1.
9/10
Rev 2.0 :12.01.2019
www.leiditech.com
LMDH74T Series
Graph:
14
LMDH74T-100M-N
LMDH74T-100M-N
Shanghai Leiditech Electronic Co.,Ltd
Email: sale1@leiditech.com
Tel : +86- 021 50828806
Fax : +86- 021 50477059
10/10
Rev 2.0 :12.01.2019
www.leiditech.com
LMDH74T-151K-N 相关器件
| 型号 | 制造商 | 描述 | 价格 | 文档 |
| LMDH74T-151M-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-151T-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-180K-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-180M-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-180T-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-181K-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-181M-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-181T-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-1R5K-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
| LMDH74T-1R5M-N | LEIDITECH | This specification applies to SMD Shielded Power Choke | 获取价格 |
|
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