SUPERWORLD ELECTRONICS (S) PTE LTD

NOTE : Specifications subject to change without notice. Please check our website for latest information.

PG. 6

15.01.2008

L815PW SERIES

10. RELIABILITY AND TEST CONDITION :

Time : 500±12 hours

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.

Times (min.)

2. Temperature measured by digital surface thermometer

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

cooling

Natural

cooling

Natural

1. Applied the allowed DC current

CH16502, Agilent33420A Micro-Ohm Meter.

HP4284A, CH11025, CH3302, CH1320, CH1320S

approximately

T=40°C without core loss

Irms(A) will cause the coil temperature rise

TEST CONDITION

No disconnection or short circuit.

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

1. Appearance : No damage

No disconnection or short circuit.

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

Humidity Resistance

Thermal Shock

Room Temperature

4

Temperature : 40±5°C

Applied Current : Rated Curent

Humidity : 90% to 95%

Total : 5 cycles

Conditions of 1 cycle.

Room Temperature

1

2

3

-55±3

+125±3

Temperature (°C)

Step

1. Appearance : No damage

High Temperature

Life Test

Low Temperature

Reliability Test

Life Test

Temperature : 125±5°C

Temperature : -55±5°C

Time : 500±12 hours

Time : 500±12 hours

Dip Time : 10±0.5sec.

Flux for lead free : rosin

10±0.5

seconds

260°C

60

seconds

150°C

Preheating Dipping

Mechanical Performance Test

1. Appearance : No significant abnormality

2. Inductance change : Within ±20%

should be covered with solder.

More than 90% of the terminal electrode

Solder Heat Resistance

Solderability Test

230°C

Preheat : 150°C, 60sec.

Solder : Sn99.95-Cu0.05

Solder Temperature : 260±5°C

60

seconds

150°C

4±1

seconds

Solder : Sn99.95-Cu0.05

Preheat : 150°C, 60sec.

Flux for lead free : rosin

Solder Temperature : 230±5°C

Dip Time : 4±1sec.

Preheating Dipping

PERFORMANCE

Refer to standard electrical characteristics list

Heat Rated Current (Irms)

Saturation Current (Isat)

DCR

Electrical Characteristics Test

Inductance

ITEM

LCR meter.

Within 3

30±3

Within 3

30±3

HIGH CURRENT MOLDED POWER INDUCTORS