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

SUPERWORLD ELECTRONICS (S) PTE LTD

PG. 3

05.05.2008

SSL1208 SERIES

7. RELIABILITY AND TEST CONDITION :

HIGH CURRENT POWER INDUCTORS

PERFORMANCE

should be covered with solder.

More than 90% of the terminal electrode

Refer to standard electrical characteristics list

60

seconds

60

seconds

Preheating

1. Appearance : No significant abnormality

2. Inductance change : Within ±20%

Preheating

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.

1. Appearance : No damage

Reliability Test

Humidity Resistance

Life Test

Life Test

High Temperature

Low Temperature

Thermal Shock

Solderability Test

Solder Heat Resistance

150°C

260°C

150°C

230°C

Inductance

DCR

Heat Rated Current (Irms)

Saturation Current (Isat)

Mechanical Performance Test

Electrical Characteristics Test

ITEM

Temperature : 40±5°C

Time : 500±12 hours

Applied Current : Rated Curent

Humidity : 90% to 95%

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

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

Temperature : 125±5°C

Temperature : -55±5°C

Time : 500±12 hours

Time : 500±12 hours

-55±3

+125±3

Conditions of 1 cycle.

Room Temperature

Room Temperature

Temperature (°C)

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

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

2

Total : 5 cycles

4

3

Step

1

Within 3

Within 3

30±3

Times (min.)

30±3

Preheat : 150°C, 60sec.

Solder : Sn-Ag3.0-Cu0.5

Solder Temperature : 230±5°C

Preheat : 150°C, 60sec.

Solder : Sn-Ag3.0-Cu0.5

Dip Time : 10±0.5sec.

Flux for lead free : rosin

Solder Temperature : 260±5°C

Flux for lead free : rosin

10±0.5

seconds

Dipping

cooling

Natural

4±1

seconds

Dipping

cooling

Natural

Dip Time : 4±1sec.

TEST CONDITION

1. Applied the allowed DC current

2. Temperature measured by digital surface thermometer

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

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

LCR meter.