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Subject
Chip Resistor Array PRODUCT SPECIFICATION FOR INFORMATION
Spec. No.
151-EXB-28V02DE
Part No.
EXB28V
9999----4444
MATSUSHITA ELECTRONIC COMPONENTS Co.,LTD.
Specification
Item
Resistor
Jumper
Test methods
Resistance
to
soldering heat
±(1 %+0.05 )
Less than
50 m
Resistors shall be dipped in the melted solder
bath at 270
°C ± 5 °C for 10s ± 1s.
Vibration
±(1 %+0.05 )
Less than
50 m
Resistors shall be subjected to a single
vibration having as double amplitude of 1.5
mm for 2 hours in each three mutually
perpendicular directions for total 6 hours.
The vibration frequency shall be varied
uniformly 10 Hz to 55 Hz and return to 10 Hz
traversing for 1 minute.
Without distinct deformation in
appearance
Solvent resistance
±(0.5 %+0.05 )
Less than
50 m
Solvent solution: Isopropyl alcohol
(1) Dipping 10 hours
± 1 hour, dry in room
condition for 30 min
± 10 min.
(2) Ultrasonic wave washing: 5 min
± 1 min
(0.3 W/cm,28 kHz)
Dry in room condition for 30 min
± 10 min.
8. Environmental Test
Specification
Item
Resistor
Jumper
Test methods
Low
temperature
exposure
±(1 %+0.05 )
Less than
50 m
Resistors shall be exposed at -55
°C ± 3 °C for
1000 hours
hours
Low
temperature
operating
±(1 %+0.05 )
Less than
50 m
Resistors shall be placed at -65
°C ± 5 °C for
1.5hours. After applying RCWV for 45
minutes, resistors shall be exposed in room
condition for 8 hours
± 1 hour.
Endurance at upper
category
temperature
±(1 %+0.05 )
Less than
50 m
Resistors shall be exposed at +125
°C±3 °C for
1000 hours
hours.
Temperature
cycling
±(1 %+0.05 )
Less than
50 m
-55
°C ± 3 °C, 30 minutes
↑↓
Nominal temp., 30minutes
25cycles
↑↓
+125
°C ± 3 °C, 30minutes
Humidity
(Steady state)
±(1 %+0.05 )
Less than
50 m
Resistors shall be exposed at 60
°C ± 2 °C and
90 % to 95 % relative humidity in a humidity
test chamber for 1000 hours
hours.
Salt spray
±(1 %+0.05 )
Less than
50 m
Spray 5 wt%
± 1 wt% salt water for 96 hours ±
4 hours at 35
°C ± 2 °C
Endurance at 70
°C
±(3 %+0.1 )
Less than
50 m
Resistors shall be exposed at 70
°C ± 2 °C for
1000 hours
hours. During this time, the
rated voltage shall be applied intermittently
for 1.5 hours ON, 0.5 hour OFF.
Load life in
Humidity
±(3 %+0.1 )
Less than
50 m
Resistor shall be exposed at 60
°C ± 2 °C and
90 % to 95 % relative humidity for 1000 hours
hours. During this time, the rated voltage
shall be applied intermittently for 1.5 hours
ON, 0.5 hour OFF.
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