SUPERWORLD ELECTRONICS (S) PTE LTD

HIGH CURRENT POWER INDUCTORS

SDL1108N SERIES

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

PG. 6

01.07.2009

8. RELIABILITY AND TEST CONDITION :

Solder Temperature : 260±5°C

High Temperature

Low Temperature

Humidity Resistance

Life Test

Thermal Shock

Reliability Test

Life Test

1. Appearance : No damage

Temperature : 40±5°C

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

Humidity : 90% to 95%

Applied Current : Rated Current

Time : 500±12 hours

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

No disconnection or short circuit.

Flux for lead free : rosin

260°C

150°C

Step

3

2

4

1

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

Time : 500±12 hours

Time : 500±12 hours

Temperature : -55±5°C

Conditions of 1 cycle.

Dip Time : 10±0.5sec.

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

Total : 5 cycles

1. Appearance : No damage

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

No disconnection or short circuit.

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

Times (min.)

30±3

Within 3

Within 3

30±3

Room Temperature

125±3

Room Temperature

Temperature (°C)

-40±3

10±0.5

seconds

60

seconds

Dipping

Preheating

Natural

cooling

Mechanical Performance Test

Saturation Current (Isat)

Solder Heat Resistance

Heat Rated Current (Irms)

Electrical Characteristics Test

Solderability Test

Inductance

DCR

ITEM

LCR meter.

245°C

150°C

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

Irms(A) will cause the coil temperature rise

Solder : lead free

Preheat : 150°C, 60sec.

approximately T=40°C without core loss

HP4284A, CH3252A, CH1320, CH1320S

CH1320, Micro-Ohm Meter.

More than 90% of the terminal electrode

should be covered with solder.

1. Components should have no evidence of

electrical & mechanical damage.

PERFORMANCE

Refer to standard electrical characteristics list

4±1

seconds

60

seconds

Dipping

Preheating

Natural

cooling

TEST CONDITION

1. Applied the allowed DC current

2. Temperature measured by digital surface thermometer

Flux for lead free : rosin

Dip Time : 4±1sec.

Solder : lead free

Solder Temperature : 245±5°C

Preheat : 150°C, 60sec.