SUPERWORLD ELECTRONICS (S) PTE LTD

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PG. 7

15.01.2008

L813PW SERIES

10. RELIABILITY AND TEST CONDITION :

LCR meter.

Directions & times : X, Y, Z directions for 2 hours.

A period of 2 hours in each of 3 mutually perpendicular

Irms(A) will cause the coil temperature rise

approximately

T=40°C without core loss

CH16502, Agilent33420A Micro-Ohm Meter.

Isat(A) will cause Lo to drop approximately 20% typical

2. Temperature measured by digital surface thermometer

Times (min.)

30±3

Within 3

Within 3

30±3

Measure at room temperature after placing for 2 to 3 hrs.

Measure at room temperature after placing for 2 to 3 hrs.

Measure at room temperature after placing for 2 to 3 hrs.

Measure at room temperature after placing for 2 to 3 hrs.

1. Appearance : No damage

Temperature : 40±5°C

Humidity Resistance

Appearance : Cracking, shipping and any other

defects harmful to the characteristics should not

2. Inductance : Within ±20% of initial value.

No disconnection or short circuit.

be allowed.

Random Vibration Test

directions (Total 6 hours).

Amplitude : 1.52mm

Frequency : 10-55-10Hz for 1 min.

Humidity : 90% to 95%

Applied Current : Rated Curent

Time : 500±12 hours

1. Appearance : No damage

2. Inductance : Within ±20% of initial value.

No disconnection or short circuit.

Thermal Shock

Low Temperature

Life Test

1-55±3

Total : 5 cycles

+125±3

Room Temperature

Room Temperature

3

2

4

Step

Time : 500±12 hours

Temperature : -55±5°C

Conditions of 1 cycle.

Temperature (°C)

4±1

seconds

60

seconds

Preheating

2. Inductance change : Within ±20%

1. Appearance : No significant abnormality

60

seconds

Reliability Test

Life Test

High Temperature

150°C

Solder Heat Resistance

260°C

150°C

Dip Time : 10±0.5sec.

10±0.5

seconds

Time : 500±12 hours

Temperature : 125±5°C

Flux for lead free : rosin

Solder Temperature : 260±5°C

Solder : Sn99.95-Cu0.05

Preheat : 150°C, 60sec.

Natural

cooling

Dipping

Preheating

More than 90% of the terminal electrode

should be covered with solder.

Saturation Current (Isat)

Mechanical Performance Test

Solderability Test

245°C

Heat Rated Current (Irms)

DCR

Dip Time : 4±1sec.

Solder Temperature : 245±5°C

Flux for lead free : rosin

Preheat : 150°C, 60sec.

Solder : Sn99.95-Cu0.05

Natural

cooling

Dipping

1. Applied the allowed DC current

TEST CONDITION

HP4284A, CH11025, CH3302, CH1320, CH1320S

Refer to standard electrical characteristics list

PERFORMANCE

Electrical Characteristics Test

ITEM

Inductance

HIGH CURRENT MOLDED POWER INDUCTORS