L811HW_10 Datasheet, PDF (7/10 Pages) Superworld Electronics – HIGH CURRENT MOLDED POWER INDUCTORS

HIGH CURRENT MOLDED POWER INDUCTORS _{L811HW SERIES}
10. RELIABILITY AND TEST CONDITION :
ITEM
PERFORMANCE
Electrical Characteristics Test
Inductance
Refer to standard electrical characteristics list
DCR
Heat Rated Current (Irms)
Saturation Current (Isat)
Mechanical Performance Test
Solderability Test
More than 90% of the terminal electrode
should be covered with solder.
Preheating Dipping Natural
245°C
cooling
150°C
60
seconds
4±1
seconds
Solder Heat Resistance 1. Appearance : No significant abnormality
2. Inductance change : Within ±20%
Preheating Dipping Natural
260°C
cooling
Reliability Test
High Temperature
Life Test
150°C
60
seconds
10±0.5
seconds
Low Temperature
Life Test
Thermal Shock
1. Appearance : No damage
2. Inductance : Within ±20% of initial value.
No disconnection or short circuit.
Humidity Resistance
1. Appearance : No damage
2. Inductance : Within ±20% of initial value.
No disconnection or short circuit.
Random Vibration Test
Appearance : Cracking, shipping and any other
defects harmful to the characteristics should not
be allowed.
TEST CONDITION
HP4284A, CH11025, CH3302, CH1320, CH1320S
LCR meter.
CH16502, Agilent33420A Micro-Ohm Meter.
Irms(A) will cause the coil temperature rise
approximately ǻT=40°C without core loss
1. Applied the allowed DC current
2. Temperature measured by digital surface thermometer
Isat(A) will cause Lo to drop approximately 20% typ.
Preheat : 150°C, 60sec.
Solder : Sn99.95-Cu0.05
Solder Temperature : 245±5°C
Flux for lead free : rosin
Dip Time : 4±1sec.
Preheat : 150°C, 60sec.
Solder : Sn99.95-Cu0.05
Solder Temperature : 260±5°C
Flux for lead free : rosin
Dip Time : 10±0.5sec.
Temperature : 125±5°C
Time : 500±12 hours
Measure at room temperature after placing for 2 to 3 hrs.
Temperature : -55±5°C
Time : 500±12 hours
Measure at room temperature after placing for 2 to 3 hrs.
Conditions of 1 cycle.
Step
1
2
3
4
Temperature (°C)
-55±3
Room Temperature
+125±3
Room Temperature
Times (min.)
30±3
Within 3
30±3
Within 3
Total : 5 cycles
Measure at room temperature after placing for 2 to 3 hrs.
Temperature : 40±5°C
Humidity : 90% to 95%
Applied Current : Rated Curent
Time : 500±12 hours
Measure at room temperature after placing for 2 to 3 hrs.
Frequency : 10-55-10Hz for 1 min.
Amplitude : 1.52mm
Directions & times : X, Y, Z directions for 2 hours.
A period of 2 hours in each of 3 mutually perpendicular
directions (Total 6 hours).
NOTE : Specifications subject to change without notice. Please check our website for latest information.
30.08.2010
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 7