Siemens BF770A Datasheet
BF 770A
NPN Silicon RF Transistor
• For IF amplifiers in TV-sat tuners
and for VCR modulators
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type Marking Ordering Code Pin Configuration Package
BF 770A LSs Q62702-F1124 1 = B 2 = E 3 = C SOT-23
Maximum Ratings
Parameter Symbol Values Unit
Collector-emitter voltage
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation
T
≤ 63 °C
S
Junction temperature
Ambient temperature
Storage temperature
V
V
V
V
I
I
P
T
T
T
C
B
CEO
CES
CBO
EBO
tot
j
A
stg
12 V
20
20
2
50 mA
6
mW
300
150 °C
- 65 ... + 150
- 65 ... + 150
Thermal Resistance
Junction - soldering point
1)
R
thJS
≤
290 K/W
1)
T
is measured on the collector lead at the soldering point to the pcb.
S
Semiconductor Group 1 Dec-12-1996
BF 770A
Electrical Characteristics at
T
= 25°C, unless otherwise specified.
A
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Collector-emitter breakdown voltage
I
= 1 mA,
C
I
B
= 0
Collector-emitter cutoff current
V
= 20 V,
CE
V
BE
= 0
Collector-base cutoff current
V
= 10 V,
CB
I
E
= 0
Emitter-base cutoff current
V
= 2 V,
EB
I
C
= 0
DC current gain
I
= 30 mA,
C
V
CE
= 8 V
V
(BR)CEO
I
CES
I
CBO
I
EBO
h
FE
V
12 - -
µA
- - 100
nA
- - 100
µA
- - 10
-
50 100 200
Semiconductor Group 2 Dec-12-1996
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