SUPERWORLD ELECTRONICS (S) PTE LTD

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

PG. 4

15.01.2008

L825HW SERIES

9. RELIABILITY AND TEST CONDITION :

TEST CONDITION

PERFORMANCE

ITEM

LCR meter.

HP4284A, CH11025, CH3302, CH1320, CH1320S

150°C

230°C

approximately

T=40°C without core loss

solder bath at 230±5°C for 4 seconds.

Irms(A) will cause the coil temperature rise

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

After fluxing components shall be dipped in a melted

CH16502, Agilent33420A Micro-Ohm Meter.

Solder : Sn-Ag3.0-Cu0.5

Flux for lead free : rosin

150°C

260°C

Dip Time : 10±0.5sec.

Temperature : 125±5°C

Solder Temperature : 260±5°C

Conditions of 1 cycle.

Time : 500±12 hours

Step

Total : 5 cycles

Temperature : -40±5°C

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

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

Time : 500±12 hours

Preheat : 150°C, 60sec.

Time : 500±12 hours

Temperature : 40±5°C

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.

High Temperature

Low Temperature

Humidity Resistance

Thermal Shock

Life Test

Reliability Test

Life Test

No disconnection or short circuit.

1. Appearance : No damage

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

No disconnection or short circuit.

1. Appearance : No damage

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

Electrical Characteristics Test

Heat Rated Current (Irms)

Saturation Current (Isat)

Mechanical Performance Test

Solderability Test

Solder Heat Resistance

Inductance

DCR

electrical & mechanical damage.

1. Components should have no evidence of

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

should be covered with solder.

Refer to standard electrical characteristics list

More than 90% of the terminal electrode

10±0.5

seconds

30±3

1

-55±3

Within 3

Within 3

30±3

Room Temperature

Room Temperature

125±3

4

2

3

Times (min.)

Temperature (°C)

60

seconds

4±1

seconds

Dipping

Preheating

Natural

cooling

60

seconds

Dipping

Preheating

Natural

cooling

HIGH CURRENT MOLDED POWER INDUCTORS