High Frequency Chip Inductor
7. RELIABILITY & TEST CONDITION :
L1M SERIES
ITEM
Bending Strength
PERFORMANCE
The ferrite should not be damaged by forces
applied on the right condition.
R0.5(0.02)
1.0(0.039)
TEST CONDITION
Series name
2
3
4
5
mm (inches)
0.80 (0.033)
1.40 (0.055)
2.00 (0.079)
2.70 (0.106)
P-Kgf
0.3
1.0
2.5
2.5
Chip
A
6
7
Random Vibration Test
Appearance : Cracking, shipping & any other
defects harmful to the characteristics should
not be allowed.
Frequency : 10-55-10Hz for 15 min.
Amplitude : 1.52mm
Directions & times : X, Y, Z directions for 15 min.
This cycle shall be performed 12 times in each of three
mutually perpendicular directions (Total 9hours).
Temperature : 105± 2° C
Applied Current : rated current
Duration : 1008± 12hrs
Measured at room temperature after placing for 2 to 3hrs.
Humidity : 90~95% RH.
Temperature : 60± 2° C
Duration : 504± 8hrs
Measured at room temperature after placing for 2 to 3hrs.
Life testing at High
Temperature
Appearance : No damage.
Inductance : within± 10%of initial value.
Q : within± 20%of initial value.
Humidity
Thermal Shock
Appearance : No damage.
Inductance : within± 10%of initial value.
Q: within± 20%of initial value.
Phase
1
2
3
Temperature (° C)
-40± 2° C
room temp.
+105± 2° C
Times (min.)
30± 5
≦
0.5
30± 5
Condition for 1 cycle
Step1 : -40± 2° C 30± 5 min.
Step2 : +105± 2° C 30± 5 min.
Number of cycles : 500
Measured at room temperature after placing for 2 to 3hrs.
Temperature : -40± 2° C
Duration : 500± 8hrs
Measured at room temperature after placing for 2 to 3hrs.
Low temperature storage test
Measured : 500 times
Drop
Drop 10 times on a concrete floor from a
height of 75cm.
a. No mechanical damage
b. Inductance change: Within ± 30%.
Derating
6
6A
5A
4A
3A
2A
1.5A
1A
Derated Current(A)
Derating Curve
For the ferrite chip bead which withstanding current over 1.5A, as the
operating temperature over 85° C, the derating current information is
necessary to consider with. For the detail derating of current, please
refer to the Derated Current vs. Operating Temperature curve.
5
4
3
2
1
0
85
125
Operating Temperature(?C)
Operating Temperature(
℃
)
NOTE : Specifications subject to change without notice. Please check our website for latest information.
10.11.2011
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 6
SUPERWORLD [ SUPERWORLD ELECTRONICS ]
