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PDF BF257 Data sheet ( Hoja de datos )
| Número de pieza | BF257 | |
| Descripción | NPN SILICON HIGH VOLTAGE TRANSISTORS | |
| Fabricantes | CDIL | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BF257 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
NPN SILICON HIGH VOLTAGE TRANSISTORS
BF257, BF 258, BF259
TO-39
Metal Can Package
INTENDED FOR VIDEO OUTPUT STAGES IN BLACK AND WHITE AND IN COLOUR
TELEVISION REVEIVERS.
ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise)
DESCRIPTION
SYMBOL
Collector Emitter Voltage
VCEO
Collector Base Voltage
VCBO
Emitter Base Voltage
VEBO
Collector Current Continuous
IC
Peak
ICM
Total Power Dissipation @ Ta=25ºC
PD
Derate Above 25ºC
Total Power Dissipation@ Tc=25ºC
PD
Derate Above 25ºC
Operating And Storage Junction
Tj, Tstg
Temperature Range
THERMAL RESISTANCE
Junction to Ambient
Rth(j-a)
Junction to Case
Rth(j-c)
BF257 BF258 BF259
160 250 300
160 250 300
<----------------5---------------->
<-------------100--------------->
<------------300---------------->
<------------1.0--------------->
<---------------6.67------------->
<----------------7---------------->
<---------------46.67----------->
<---------- -65 to +175------>
UNITS
V
V
V
mA
mA
W
mW/ºC
W
mW/ºC
ºC
<----------------150--------------> ºC/W
<----------------21.43-----------> ºC/W
ELECTRICAL CHARACTERISTICS (Ta=25º C unless specified otherwise)
DESCRIPTION
SYMBOL TEST CONDITION
Collector Emitter Breakdown Voltage
BVCEO IC=10mA,IB=0
Collector Base Breakdown Voltage
BVCBO IC =100µA, IE =0
Emitter Base Breakdown Voltage
BVEBO IE=100µA, Ic=0
Collector Cut off Current
ICBO VCB=100V, IE=0
VCB=200V, IE=0
VCB=250V, IE=0
DC Current Gain
hFE IC=30mA,VCE=10V
Collector Emitter Saturation Voltage
VCE(Sat) IC=30mA,IB=6mA
BF257
>160
>160
>5
<0.05
ALL
BF258
>250
>250
>5
<0.05
>25
<1
BF259
>300
>300
5
<0.05
UNITS
V
V
V
µA
µA
µA
V
DYNAMIC CHARACTERISTICS
Transition Frequency
fT IC=15mA, VCE=10V
TYP
f=100MHz
75 MHz
Collector Base Capacitance
Ccb
TYP
*Pulse Test: Pulse Width <300µs, Duty Cycle <2%
IE=0, VCB=30V,f=1MHz
2.5
pF
Continental Device India Limited
Data Sheet
Page 1 of 3
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet BF257.PDF ] | |
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