FERRITE CHIP INDUCTORS
L2 SERIES
8. RELIABILITY & TEST CONDITION :
ITEM
PERFORMANCE
TEST CONDITION
Bending Strength
The ferrite should not be damaged by forces
applied on the right condition.
For Z / L Series :
Series name mm (inches)
P-Kgf
0.3
1.0
2
3
4
5
6
7
8
0.80 (0.033)
1.40 (0.055)
1.0(0.039)
R0.5(0.02)
2.00 (0.079)
2.5
Chip
A
2.70 (0.106)
2.5
Random Vibration Test
Appearance : Cracking, shipping & any other
defects harmful to the characteristics should
not be allowed.
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).
Drop
Drop 10 times on a concrete floor from a
height of 75cm.
No mechanical damage
Loading at High
Temperature
Appearance : No damage.
Inductance : Within ±10% of initial value.
Q : Within ±30% of initial value.
Temperature : 85±5°C
Applied Current : rated current
Duration : 1008±12hrs
Measured at room temperature after placing for 2 to 3hrs.
Humidity
Humidity : 90~95% RH.
Temperature : 40±2°C
Duration : 1008±12hrs
Measured at room temperature after placing for 2 to 3hrs.
For L Series :
Thermal Shock
Appearance : No damage.
Condition for 1 cycle
Step1 : -40±2°C 30±3 min.
Step2 : +85±5°C 30±3 min.
Number of cycles : 100
Inductance : Within ±10% of initial value.
Q : Within ±30% of initial value.
Phase
1
2
Temperature (°C)
-40±2°C
Times (min.)
30±3
Measured at room temperature after placing for 2 to 3hrs.
+85±5°C
30±3
Measured : 100 times
Low temperature storage test
Temperature : -55±2°C
Duration : 1008±12hrs
Measured at room temperature after placing for 2 to 3hrs.
Drop
Drop 10 times on a concrete floor from a
height of 75cm.
No mechanical damage
Derating
Derating Curve
6A
5A
4A
3A
6
5
4
3
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
1.5A
2
1A
1
0
85
125
Operating Temperature(°C)
Operating Temperature(¢XC)
NOTE : Specifications subject to change without notice. Please check our website for latest information.
03.08.2010
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 5
SUPERWORLD [ SUPERWORLD ELECTRONICS ]
