EG_GenLoc41e_1055_UG_003_UK
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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCOGENER reserves the right to make any modifications.
Dct_427_02
8.2.3.3 Buzzer
Table: Characteristics of the buzzer output
* Pulse test: tp ≤ 300 μs; δ ≤ 0.02.
Example of transducer tested with the GenLoc 41e:
Characteristics
Symbols
Conditions
Min.
Typ.
Max.
Unit
collector-base voltage
V
CB0
Transmiter open
48
V
dc
collector-emitter voltage
V
CE0
Open base
40
V
dc
collector current (DC)
I
C
600
mA
dc
peak collector current
I
CM
800
mA
dc
Collector Cutoff Current
I
CB0
IE = 0; VCB = 60 V; Tj = 25 °C
10
nA
dc
IE = 0; VCB = 60 V; Tj = 125 °C
10
µA
dc
collector-emitter saturation
voltage
V
CEsat
IC = 150 mA; IB = 15 mA *
300
mV
dc
IC = 500 mA; IB = 50 mA *
1
V
dc
transition frequency
f
T
IC = 20 mA; VCE = 20 V; f = 100
MHz
300
MHz
collector capacitance
C
C
I
E
= I
e
= 0; VCB = 10 V; f = 1
MHz
8
pF
total power dissipation
P
Ttot
T
amb
≤ 25 °C
225
mW
Buzzer characteristics
Values
Type
Transducer AT-2720-T-R
Consumption
1-30V peak/3.5mA max.
Resonance frequency
2.048Hz ±500HZ
Acoustic level (SPL)
Min.88dBA @10cm