2403-263-00092 Datasheet, PDF (19/25 Pages) Knowles Electronics – 8x15x1.5 HAC Receiver

Knowles Electronics
High Temperature Storage Test
Parameter
Dry Heat Storage
(Ref.
BSI BS EN-
60068-2-2 )
Test Method and
Conditions
+85°C
rel. humidity not
controlled
Thermal shock Sequence
Parameter
Test Method and
Conditions
Change of
-40°C for 30min and
Temperature then move to +85°C
(Ref. IEC 60068- for 30min; Transition
2-14)
time < 3 min; 20
cycles (40 shocks);
Specification: 8x15x1.5 HAC Receiver
Order No. 2403 263 00092
Revision: A1.5.1 / 04.29.11
E.g.: distortion at frequency bin
400Hz which is initially 10% is
allowed to be 14% after the
test.
Duration
168h
Evaluation Standard
Measurements of acoustic
parameters shall be still
within specification.
Allowed deviations:
Sensitivity is allowed to be
within +/-3dB from initial
value;
The distortion shall not
increase by more than a
factor of 1.4 of the initial
value measured at a single
frequency bin.
E.g.: distortion at frequency
bin 400Hz which is initially
10% is allowed to be 14%
after the test.
Duration
20 cycles
Evaluation Standard
Measurements of acoustic
parameters shall be still
within specification.
Allowed deviations:
Sensitivity is allowed to be
within +/-3dB from initial
value;
The distortion shall not
increase by more than a
factor of 1.4 of the initial
value measured at a single
frequency bin.
E.g.: distortion at frequency
bin 400Hz which is initially
10% is allowed to be 14%
after the test.
Knowles. 2011 All rights reserved.
page 19 of 25