Electrical and Mechanical Specifications
E2452
Table 1. Electrical Characteristics
Test Conditions: Supply Voltage V
dd
= +8.4V, T
ambient
= 25° C, unless otherwise specified
Symbol
Parameter
Min.
Typ.
Max.
Unit
V
dd
Supply voltage
7.4
8.4
V
I
avg
Average supply current
beeper on
4.6
mA
I
shtd
Average supply current after
shutdown
0.13
mA
V
shtd
Shutdown voltage at 20%
capacity
7.28
V
T
thrh
Receiver channel switch or
stick high threshold
1.55
msec
T
thrl
Receiver channel switch or
stick low threshold
1.45
msec
T
operate
Operating temperature
-10
+30
°C
T
delay
Delay time from power on
20
1440
(24 hrs)
minutes
T
duty
Duty cycle
~1/11
sec/sec
T
duration
Beeper cycle duration once
triggered after 20 minutes
~24
Hrs
SPL
Beeper sound intensity
@10cm
104
dBA
R
open
Open field range, sound port
up
~100
meters
General Precautions
The beeper is very loud up close! Place a piece of tape over the beeper opening during testing.
Charged devices and circuit boards can discharge without warning. Proper ESD precautions should be followed
to avoid failure.
This device is not authorized for use in any product where the failure or malfunction of the product can
reasonably be expected to cause failure in a life support system or to significantly affect its operation.
Locus Engineering Inc. reserves the right to make changes at any time without notice to improve product features
or reliability.
Information is provided by Locus Engineering Inc. with the best of intentions without any warranty expressed or
implied. As such Locus Engineering Inc. disclaims all liabilities or responsibilities for any use of the information,
any inaccuracies or fitness for a particular purpose.
March 27, 2018
2
www.locus-engineering.com
