LDW datasheet(8/9 Pages) LEIDITECH

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Reliability

1-1.Mechanical Performance

Item

Specification

1-1-1 Board Flex

The forces applied on the right

Refer to AEC-Q200-005

conditions must not damage

Test device shall be soldered on the substrate

the terminal electrode and the

Substrate Dimension: 100x40x1.6mm

ferrite

Deflection: 2.0mm

Keeping Time: 60sec

1-1-2

Resistance to Soldering Heat Appearance: No damage

Refer to MIL-STD-202 Method 210

Inductance change shall be

Pre-heating: 150℃, 1min

within ±10%.

Solder Composition: Sn/Ag3.0/Cu0.5(Pb-Free)

Solder Temperature: 250±5℃

Immersion Time: 10±1sec

1-1-3

Solder ability

The electrodes shall be at

Refer to J-STD-002

least 95% covered with new

Pre-heating: 150℃, 1min

solder coating

Solder Composition: Sn/Ag3.0/Cu0.5(Pb-Free)

Solder Temperature: 245±5℃(Pb-Free)

Immersion Time: 4±1sec

1-1-4

Terminal Strength Test

Appearance: No damage

Refer AEC-Q200-006

Soldered on PCB for testing as fig.

Force : 1.8kg

Keeping Time: 60 seconds.

1-1-5

Resistance to Solvent

There must be no change in

Refer to MIL-STD-202 Method 215

appearance or obliteration of

Inductors must withstand 6 mimutes of alcohol or water.

marking

Sample Size : 15 pcs

1-1-6

Vibration

Appearance: No damage

Refer MIL-STD-202 Method 204

Inductance change shall be

Vibration waveform: Sine waveform

within ±10%.

Vibration frequency: 10Hz~2000Hz

Vibration acceleration: 5g

Sweep rate: 0.764386otcave/minute

Duration of test: 12 cycles each of 3 orientations,

20 minutes for each cycle

Vibration axes: X, Y & Z

1-2.Environmental Performance

Item

Specification

1-2-1 Temperature Cycle

Appearance: No damage

Refer to JESD Method JA-104

Inductance change shall be

Total cycles: 1000 cycles

within±30%

Temperature Cycling Test Conditions : -40 to +125 ℃

-40 ℃ Soak Mode Condition : 30 minutes

125 ℃ Soak Mode Condition : 30 minutes

Measured after exposure in the room condition for 24hrs

1-2-2 Biased Humidity Resistance

Refer to MIL-STD-202 Method 103

Temperature: 85±2℃

Relative Humidity:85% / Time: 1000hrs

Measured after exposure in the room condition for 24hrs

1-2-3 High

Refer to MIL-STD-202 Method 108

Temperature Exposure

Temperature: 125±3℃ / Relative Humidity: 0%

(Storage)

Applied Current: Rated Current /Time: 1000hrs

Measured after exposure in the room condition for 24hrs

1-2-4 Operational Life

Refer to MIL-STD-202 Method 108

Temperature: 85±3℃

Applied Current : Rated Current

Time: 1000hrs

Measured after exposure in the room condition for 24hrs

Test Method

LDW Series

Rev :

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01.06.2018

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