good day sir/mam
help with my power amp always protect removed driver board normal green lights when i come back protect again i change output as well as protect again
there are buyable protect driver boards do the driver board have parts what is the value of the parts
thanks in advance
help with my power amp always protect removed driver board normal green lights when i come back protect again i change output as well as protect again
there are buyable protect driver boards do the driver board have parts what is the value of the parts
thanks in advance
Collector - Base Voltage
VCBO
300
V
Collector - Emitter Voltage
VCEO
300
Emitter - Base Voltage
VEBO
5
Collector Current - Continuous
IC
500
mA
Collector Power Dissipation
PC
350
mW
Thermal Resistance Junction to Ambient
RθJA
357
°C/W
Junction Temperature
TJ
150
°C
Storage Temperature Range
Tstg
-55 to 150
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Collector-base breakdown voltage
VCBO
Ic= 100 μA, IE= 0
300
V
Collector- emitter breakdown voltage
VCEO
Ic= 1 mA, IB= 0
300
Emitter - base breakdown voltage
VEBO
IE= 100 uA, IC= 0
5
Collector-base cut-off current
ICBO
VCB=200V, IE=0
0.1
uA
Emitter cut-off current
IEBO
VEB= 5V , IC=0
0.1
Collector-emitter saturation voltage
VCE(sat)
IC= 20 mA, IB= 2mA
0.2
V
Base - emitter saturation voltage
VBE(sat)
IC= 20mA, IB= 2mA
0.9
DC current gain
hfe(1)
VCE= 10V, IC= 1mA
60
hfe(2)
VCE= 10V, IC= 10mA
100
300
hfe(3)
VCE= 10V, IC= 30mA
60
Transition frequency
fT
VCE= 20V, IC= 10mA, f=30MHz
50
MHz
■ Classification of hfe(2)
Type
MMBTA42 MMBTA42-L
Range
100-300 100-200
Marking
1D
VCBO
300
V
Collector - Emitter Voltage
VCEO
300
Emitter - Base Voltage
VEBO
5
Collector Current - Continuous
IC
500
mA
Collector Power Dissipation
PC
350
mW
Thermal Resistance Junction to Ambient
RθJA
357
°C/W
Junction Temperature
TJ
150
°C
Storage Temperature Range
Tstg
-55 to 150
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Collector-base breakdown voltage
VCBO
Ic= 100 μA, IE= 0
300
V
Collector- emitter breakdown voltage
VCEO
Ic= 1 mA, IB= 0
300
Emitter - base breakdown voltage
VEBO
IE= 100 uA, IC= 0
5
Collector-base cut-off current
ICBO
VCB=200V, IE=0
0.1
uA
Emitter cut-off current
IEBO
VEB= 5V , IC=0
0.1
Collector-emitter saturation voltage
VCE(sat)
IC= 20 mA, IB= 2mA
0.2
V
Base - emitter saturation voltage
VBE(sat)
IC= 20mA, IB= 2mA
0.9
DC current gain
hfe(1)
VCE= 10V, IC= 1mA
60
hfe(2)
VCE= 10V, IC= 10mA
100
300
hfe(3)
VCE= 10V, IC= 30mA
60
Transition frequency
fT
VCE= 20V, IC= 10mA, f=30MHz
50
MHz
■ Classification of hfe(2)
Type
MMBTA42 MMBTA42-L
Range
100-300 100-200
Marking
1D
Any one help me my driver board ��
Post a photo of your driver board.
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