Spec No. JEWE243B-0006G-01 P2/7
MURATA MFG CO.,LTD
Reference
Only
7.Electrical Performance
No. Item Specification Test Method
7.1 Style and
Dimension
Meet item 9. Visual Inspection and measured with Slide Calipers.
7.2. Marking Marking is able to be read
easily.
Visual Inspection.
7.3 Capacitance and
Tolerance
Meet item 3.
Frequency : 1±0.1kHz
Test Voltage : 1±0.2 V(rms)
7.4 Insulation
Resistance(I.R.)
Test Voltage : Rated Voltage
Time : 30±5 minutes through a suitable resistor 1M
7.5 Varistor Voltage
Measuring Current : 1 mA
7.6 Voltage Ratio Measuring Current : 0.1 mA , 1mA
Measureing circuit : See 7.5
Calculate expression : V
1
/
V
0.1
V
1
: Varistor Voltage at 1mA
V
0.1
: Varistor Voltage at 0.1 mA
7.7 Resistance to
Surge Current
Meet Table 1.
Table 1
The surge current shall be applied twice to them.
Wave form : 8/20 s
Peak current : 100A
The number of Times : 2 times (5 minutes interval)
7.8 Characteristic(TC) Capacitance shall be measured at each step
specified in Table 2 after reaching the thermal
equilibrium.
The capacitance change against the capacitance at
step 3 shall be calculated.
Table 2
Step 1 2 3 4 5
Temp.
(°C)
+20±2 -40±2 +20±2 +105±2 +20±2
7.9 Temperature Cycle Meet Table 3.
Table 3
1 cycle
Step 1 -40°C (+0°C,-3°C) / 30 min.
Step 2 Ordinary Temp. / within 5 min.
Step 3 +105°C (+3°C,-0°C) / 30 min.
Step 4 Ordinary Temp. / within 5 min.
Total 10 cycles
Then measured after exposure in the room condition
for 1 to 12 hours.
7.10 Humidity Temperature : 40 ± 2°C
Humidity : 90 to 95 %(RH)
Time : 500 hours(+24-0 hours)
Then measured after exposure in the room condition
for 4 to 24hours.
7.11. Humidity Load Temperature : 40 ± 2°C
Humidity : 90 to 95 %(RH)
Applying Voltage : 35V(DC)
Time : 500 hours(+24-0 hours)
Then measured after exposure in the room condition
for 4 to 24hours.
＋
－
E
A
V
Products
Equipment of
Surge test
Appearance No damaged.
Varistor Voltage
Change
within ±10%
Appearance No damaged.
Capacitance
Change
within ± 20%
Varistor Voltage
Change
within ± 15%
Insulation
Resistance
10M min.
