LMDH74T-330M-N [LEIDITECH]

This specification applies to SMD Shielded Power Choke;


型号：	LMDH74T-330M-N
厂家：	Leiditech
描述：	This specification applies to SMD Shielded Power Choke
文件：	总10页 (文件大小：654K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

LMDH47T Series

This specification applies to SMD Shielded Power Choke

Scope:

Part Numbering:

LMDH

Rating:

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

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

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LMDH74T Series

Configuration and Dimensions:

LMDH74

Electrical Characteristics:

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

1 kHz,1 V

0.02

0.025

0.03

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

3.5

M,T

3.5

0.035

0.045

0.049

0.058

0.081

0.091

0.11

3.5

3.2

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

0.15

0.17

0.23

0.26

0.35

0.38

0.43

100

120

150

180

220

0.61

0.66

0.52

0.46

0.42

0.36

0.88

0.98

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)

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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

1.64

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

271

331

391

471

561

681

821

102

0.18

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LMDH74T Series

8.1 Construction:

8.2 Material List:

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LMDH74T Series

Reliability Of Ferrite Wire Wound Power Inductor

1-1.Mechanical Performance

Test Method

Test device shall be soldered on the substrate

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

)

25 2

105 3

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

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LMDH74T Series

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LMDH74T Series

10 Test Data

LeiditechP/N: LMDH74T-100M-N

Measured

Item

RDC

Isat

(A)

(uH)

(Ω)

m/m

Spec Customer

Suggest

10 20%

0.049+0

1.84

7.3 0.2

4.5+0

Test Freq.

1kHz 1V

10.1

9.6

0.043

0.041

0.043

0.43

7.33

7.34

7.32

7.34

7.33

7.32

7.31

7.35

4.23

4.26

4.38

4.35

4.3

10.7

9.9

0.041

10.06

1.1

0.1196

0.389

7.332

0.02

7.328

0.04

4.304

0.15

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

)

Ordinary Humidity (25 to 85 %RH)

60 to 70 %RH

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LMDH74T Series

Packaging:

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

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LMDH74T Series

Packaging:

11.4 Tape Dimensions in mm

LMDH74

Recommended Land Pattern:

LMDH73

LMDH74

Note:

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.

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LMDH74T Series

Graph:

LMDH74T-100M-N

Shanghai Leiditech Electronic Co.,Ltd

Email: sale1@leiditech.com

Tel : +86- 021 50828806

Fax : +86- 021 50477059

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