User's Manual

R&D / Automotive Electronics
Title Remote Keyless Entry System Specification Spec. No. DPE-AE-RK019912S
Written by Ban Dong Hoon
Rev. No.
A0
Date 10
th
. Nov. 2003 Page
24 / 25
6.1.5 MECHANICAL CHARACTERISTICS
6.1.6 Environment Test
No. Item Test Condition Evaluation standard
1 frost
Placed at -40
℃
for 8 hours and removed to at
+38
℃
,95%RH.Device testing will be done when an
uniform frost coating is observed on the device
2
thermal shock
The part shall be subjected to 5 thermal cycles. One
cycle shall be consisted of :
+110
℃
-40℃
1 hr 1hr
Using 2 shuttle chambers with a 2 minutes minimum
transition.
3
storage
The part shall be subjected the uninterrupted storage
schedule as below;
-40℃:70hours
+110℃:118hours
Being placed for 2 hours at
+25
℃
, buzzer shall be
measured. The value of
current consumption should be
in ±20% compared with initial
ones .The SPL(min.):100dB.
The tone should be normal
No. Item Test Condition Evaluation standard
1 solder ability
Stripped wires of lead wires are immersed in rosin for 5
seconds and then immersed in solder bath of +230±5
℃
for 3±0.5 seconds.
90% min. stripped wires shall
be wet with solder.(except the
edge of terminal)
2
soldering heat
resistance
Stripped wires are immersed up to 1.5mm from
insulation in solder bath of +300±5
℃
for 3±0.5 seconds
or +260±5
℃
for 10±1 seconds, and then sounder shall
be measured after being placed in natural condition for 4
hours.
no interference in operation
3
lead wire pull
strength
The pull force shall be applied to lead wire
: horizontal 3.0N
vertical 2.0N
no damage and cutting off.
4 vibration
The test shall last 4 hours and be performed in 3 primary
axis with a RMS G level=3.2G from 10 to 2000Hz..
operation shall be checked at
the end of each axis test.
Maintain the tolerance of ±4dB