BFS20 NXP Semiconductors, BFS20 Datasheet - Page 3

• Manufacturer Part Number: BFS20
• Description: Npn Medium Frequency Transistor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
THERMAL CHARACTERISTICS
Note
1. Transistor mounted on an FR4 printed-circuit board.
CHARACTERISTICS
T
2004 Feb 05
R
I
I
h
V
C
C
f
SYMBOL
SYMBOL
j
CBO
EBO
T
FE
BE
th(j-a)
= 25 C unless otherwise specified.
c
re
NPN medium frequency transistor
thermal resistance from junction to ambient
collector-base cut-off current
emitter-base cut-off current
DC current gain
base-emitter voltage
collector capacitance
feedback capacitance
transition frequency
PARAMETER
PARAMETER
I
I
I
I
I
I
I
I
E
E
C
C
C
E
C
C
= 0; V
= 0; V
= I
= 0; V
= 7 mA; V
= 7 mA; V
= 0; V
= 5 mA; V
e
= 0; V
CB
CB
EB
CB
= 20 V
= 20 V; T
= 4 V
= 10 V; f = 1 MHz
CONDITIONS
CE
CE
CE
CB
3
= 10 V
= 10 V
= 10 V; f = 100 MHz
= 10 V; f = 1 MHz
note 1
CONDITIONS
j
= 100 C
40
275
MIN.
VALUE
500
85
740
1
350
450
TYP.
Product specification
100
10
100
900
MAX.
BFS20
UNIT
K/W
nA
nA
mV
pF
fF
MHz
UNIT
A