BF420, BF422
ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Symbol
Collector-Base Breakdown Voltage
at I
C
= 100
µA,
I
B
= 0
Collector-Emitter Breakdown Voltage
at I
C
= 10
mA,
I
E
= 0
Collector-Emitter Breakdown Voltage
at R
BE
= 2.7 kΩ,
I
C
= 10 mA
Emitter-Base Breakdown Voltage
at I
E
= 100
µA,
I
B
= 0
Collector-Base Cutoff Current
at V
CB
= 200 V, I
E
= 0
Collector-Emitter Cutoff Current
at R
BE
= 2.7 kΩ, V
CE
= 250 V
at R
BE
= 2.7 kΩ, V
CE
= 200 V, T
j
= 150 °C
Collector Saturation Voltage
at I
C
= 30 mA, I
B
= 5 mA
DC Current Gain
at V
CE
= 20 V, I
C
= 25 mA
Gain-Bandwidth Product
at V
CE
= 10 V, I
C
= 10 mA
Feedback Capacitance
at V
CE
= 30 V, I
C
= 0, f = 1 MHz
Thermal Resistance Junction to Ambient Air
1)
Min.
300
250
250
300
5
–
Typ.
–
–
–
–
–
–
Max.
–
–
–
–
–
10
Unit
V
V
V
V
V
nA
BF420
BF422
BF422
BF420
V
(BR)CBO
V
(BR)CBO
V
(BR)CEO
V
(BR)CER
V
(BR)EBO
I
CBO
I
CER
I
CER
V
CEsat
h
FE
f
T
C
re
R
thJA
–
50
60
–
–
–
–
–
–
–
50
10
0.6
–
–
1.6
150
1)
nA
µA
V
–
MHz
pF
K/W
Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case
VISHAY [ VISHAY TELEFUNKEN ]
