Spec No. JENF243G-0003E-01 P 2 / 6
MURATA MFG CO.,LTD.
Reference Onl
No. Item Specification Test Method
7.4
Resistance to
Soldering Heat
Appearance : No damage. Flux : Ethanol solution of rosin, 25(wt)%
Pre-heat : 150 ± 10 °C, 60 ~ 90 s
Solder : Sn-3.0Ag-0.5Cu
Solder Temperature : 260 ± 5 °C
Immersion Time : 10 ± 1 s
Immersion Depth : 1.6 ± 0.8 mm from the end
of Ferrite Bead
Immersion and emersion rates : 25 ± 5 mm / s
7.5 Resistance to
Soldering iron
Tip Temperature : 350 °C ± 10 °C
Soldering Time : 3 s ± 0.5 s
Putting place of soldering iron : lead wire
(1.6±0.8mm from the bottom of the Ferrite Bead)
Do not touch the Ferrite Bead directly with the
tip of the soldering iron.
7.6 Vibration Oscillation Frequency : 10 Hz to 2000 Hz for
20 min.
Total Amplitude or acceleration :
1.5 mm or 196 m/s
2
Testing Time : A period of 2 hours in each of
3 mutually perpendicular
directions. (Total 6 hours)
7.7 Humidity Appearance : No damaged.
Inductance change : within ± 15%
Temperature : 85 °C ± 2 °C
Humidity : 80 %(RH) to 85 %(RH)
Time : 500 h (+ 24h , - 0h)
Then measured after exposure in the room
condition for 1 to 2 hours.
7.8 Thermal Shock 1 cycle :
1 step : - 40°C (+0,-3) °C / 30 min. (+3,-0) min.
2 step : Ordinary Temp. / within 1 min.
3 step : + 85°C (+3,-0) °C / 30min. (+3,-0) min.
4 step : Ordinary Temp. / within 1min.
Total of 10 cycles
Then measured after exposure in the room
condition for 4 to 48 hours.
7.9 Heat
Resistance
Temperature : 85 °C ± 3 °C
Time : 1000 h (+ 48h , - 0h)
Then measured after exposure in the room
condition for 1 to 2 hours.
8. Frequency-Impedance Characteristics (Typical)
