High Frequency Chip Inductor
L1M SERIES
7. RELIABILITY & TEST CONDITION :
ITEM
PERFORMANCE
TEST CONDITION
Bending Strength
The ferrite should not be damaged by forces
applied on the right condition.
Series name
mm (inches)
0.80 (0.033)
1.40 (0.055)
P-Kgf
0.3
2
3
4
5
6
7
1.0(0.039)
R0.5(0.02)
1.0
2.00 (0.079)
2.70 (0.106)
2.5
2.5
Chip
A
Random VibrationTest
Appearance : Cracking, shipping& any other
defects harmful to the characteristics should
not be allowed.
Frequency : 10-55-10Hz for 15min.
Amplitude : 1.52mm
Directions & times : X, Y, Z directions for 15min.
This cycle shall be performed 12 times ineachofthree
mutually perpendicular directions (Total 9hours).
Life testing atHigh
Temperature
Appearance : No damage.
Temperature : 105±2° C
Inductance : within± 10%ofinitial value.
Q : within± 20%of initial value.
Applied Current : ratedcurrent
Duration : 1008±12hrs
Measured at room temperature after placingfor 2to3hrs.
Humidity
Humidity : 90~95% RH.
Temperature : 60±2° C
Duration : 504± 8hrs
Measured at room temperature after placingfor 2to3hrs.
Thermal Shock
Appearance : No damage.
Condition for 1cycle
Inductance : within± 10%ofinitial value.
Q: within± 20%of initial value.
Step1 : -40± 2° C 30±5min.
Step2 : +105± 2° C 30±5min.
Number of cycles :500
Phase
Temperature(° C)
-40± 2° C
Times (min.)
30±5
1
2
3
Measured at room temperature after placingfor 2to3hrs.
room temp.
≦0.5
+105±2° C
30±5
Low temperature storage test
Temperature : -40±2° C
Measured : 500times
Duration : 500± 8hrs
Measured at room temperature after placingfor 2to3hrs.
Drop
Drop 10 times on a concrete floor from a
height of 75cm.
a. No mechanical damage
b. Inductance change: Within± 30%.
Derating
6A
5A
4A
3A
6
5
4
3
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.
2A
2
1.5A
1A
1
0
85
125
Operating Temperature(?C)
℃
Operating Temperature(
)
NOTE : Specifications subject to change without notice. Please check our websitefor latestinformation.
10.11.2011
PG. 6
SUPERWORLD ELECTRONICS (S) PTE LTD
SUPERWORLD [ SUPERWORLD ELECTRONICS ]
