User guide

EG_GenPro2xe_1003_UG_005_UK Page 53 / 63
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
Dct_427_00
8.2.2.3 Buzzer
Characteristics of the output for the Buzzer
Characteristics Symbols Conditions Min. Typ. Max. Unit
collector-base voltage V
CB0
Emetteur ouvert 75 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
Example of transducer tested with the GenPro 2xe
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