MODEL: EM4015LW-38C10nF
PRODUCT: Omni Directional Back Electret Condenser Microphone
EDITION: A/2017
TEMPERATURE CONDITIONS
storage temperature range -40°C ~ +85°C
operation temperature range -40°C ~ +85°C
Note: Store in electronic warehouse.
TERMINAL MECHANICAL STRENGTH
Terminal should be no interference in operation after pulled the terminal with 1kg for 1 minute.
RELIABILITY TEST
After each of the following tests, the sensitivity of the microphone should be within ±3dB of initial sensitivity after 3 hours of
conditioning at 20°C .
vibration test
frequency 10Hz ~ 55Hz
amplitude 1.52mm
change of frequency 1 octave/min
2 hours in each of axis
high temperature test +85°C for 240 hours
low temperature test -40°C for 240 hours
humidity test 90% ~ 95%RH, +60°C for 240 hours
thermal shocking test -40°C, 30 minutes +80°C, 30 minutes, repeated 32 cycles room temperature, 3 hours
temperature cycles -40°C +20°C +85°C +20°C -40°C
(2h) (0.5h) (2h) (0.1h) (2h) (0.5) (2h) (0.5h) (2h) for 5 cycles
packing drop test
height 1.5m
procedure 5 times from each of axis
electrostatic discharge Tested to IEC61000-4-2 level 3
contact discharge The microphone shall operate normally after 10 discharges to is 6KV DC and the discharge
network is 150pF & 330Ω.
air discharge The microphone shall operate normally after 10 discharges to is 8KV DC and the discharge
network is 150pF & 330Ω
IP level IP67
SOLDERING CONDITION
We suggest using an anti-static welding machine which can control soldering temperature automatically.
Soldering temperature should be controlled at under 320 °C and soldering time for each terminal should be 1~2 seconds.
Microphone should be xed on the metal block (heat sink) and the heat sink shall contact with MIC tightly.
Microphone may easily be damaged by the static electricity. The countermeasure for eliminating the static electricity shall be by
grounding both the worktable and the operator.
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