LDW11T-331M datasheet(4/8 Pages) LEIDITECH

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9 Common Mode Choke / RELIABILITY TEST

1-1.Environmental Performance

Item

Specification

Test Method

1-1-1 Temperature Cycle

Appearance: No Damage

One cycle:

Impedance: within±20% of

Step Temperature (

℃)

Time (min)

initial value

-40±3

25±2

105±3

25±2

Total: 5 cycles

Measured After Exposure in The Room Condition For 1hrs

1-1-2 Humidity Resistance

Temperature: 40±2

℃

Relative Humidity: 90 ~ 95%

Time: 100hrs

Measured After Exposure In The Room Condition For 1hrs

1-1-3 High Temperature Resistance

Temperature: 85±3

℃

Time: 50Hrs

Measured After Exposure In The Room Condition For 1Hrs

1-1-4 Low Temperature Resistance

Temperature: -40±3

℃

Time: 50Hrs

Measured After Exposure In The Room Condition For 1Hrs

1-1-5 High Temperature Load Life

There should be no evidence Temperature: 85±3

℃

of short or open circle

Load: Allowed DC Current

Time: 500Hrs

1-1-6 Humidity Load Life

Temperature: 40±2

℃

Relative Humidity: 90~95%

Load: Allowed DC Current

Time: 500Hrs

1-2.Mechanical Performance

Item

Specification

Test Method

1-2-1 Resistance To Soldering Heat

Appearance: No Damage

1. The device should be reflow soldered on PCB

(peak 260

℃±5℃ for 10 seconds)

2. Solder Composition: Sn/Ag3.0/Cu0.5

3. Test time: 6 minutes

1-2-2 Solder ability

The electrodes shall be

1. Pre-Heating: 150

℃,1min.

at least 95% covered

2. Solder Composition: Sn/Ag3.0/Cu0.5

with new solder coating

3. Solder Temperature: 245±5

℃.

4. Immersion Time: 4±1 sec.

1-2-3 Commponent Adhesion

1 Lbs. For CUW11/MCF11

The device should be reflow soldered (245±5

℃ For

(Push Test)

2 Lbs. For other

10 seconds) to a tinned copper substrate. A force guauge

should be applied to the side of the component.

The device must withstand a minimum force of 2 pounds

without a failure of the termination attached to component

LDW11T Series

Rev :

www.leiditech.com

01.06.2018

4/8

LDW11T-331M Datasheet(PDF) 4 Page - Shanghai Leiditech Electronic Technology Co., Ltd

LDW11T-331M Datasheet(HTML) 4 Page - Shanghai Leiditech Electronic Technology Co., Ltd

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