HiRel
NPN Silicon RF Transistor
Features
¥
HiRel
Discrete and Microwave Semiconductor
¥ For low noise, high gain broadband amplifiers at
collector currents from 0.5 mA to 12 mA
¥ Hermetically sealed microwave package
¥
f
T
= 8 GHz,
F
= 2.2 dB at 2 GHz
¥
qualified
¥ ESA/SCC Detail Spec. No.: 5611/006
BFY 181
Micro-X1
ESD: E
lectro
s
tatic
d
ischarge sensitive device, observe handling precautions!
Type
BFY 181 (ql)
Marking
-
Ordering Code
see below
H: High Rel Quality,
S: Space Quality,
Pin Configuration
C
E
B
E
Package
Micro-X1
(ql) Quality Level: P: Professional Quality, Ordering Code: Q62702F1607
Ordering Code: on request
Ordering Code: on request
ES: ESA Space Quality, Ordering Code: Q62702F1715
(see
Chapter Order Instructions
for ordering example)
Table 1
Parameter
Collector-emitter voltage
Collector-emitter voltage,
V
BE
= 0
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation,
T
S
£
137
°
C
2)
Junction temperature
Operating temperature range
Storage temperature range
Thermal Resistance
Junction soldering point
2)
1)
2)
Maximum Ratings
Symbol
Limit Values
12
20
20
2
20
2
1)
175
200
-
65 É
+
200
-
65 É
+
200
< 360
Unit
V
V
V
V
mA
mA
mW
°
C
°
C
°
C
K/W
V
CEO
V
CES
V
CBO
V
EBO
I
C
I
B
P
tot
T
j
T
op
T
stg
R
th JS
The maximum permissible base current for
V
FBE
measurements is 15 mA (spot-measurement duration < 1 s).
T
S
is measured on the collector lead at the soldering point to the pcb.
Semiconductor Group
1
Draft A04 1998-04-01
BFY 181
Electrical Characteristics
Table 2
Parameter
Collector-base cutoff current
V
CB
= 20 V,
I
E
= 0
Collector-emitter cutoff current
V
CE
= 12 V,
I
B
= 0.1
m
A
3)
Collector-base cutoff current
V
CB
= 10 V,
I
E
= 0
Emitter-base cutoff current
V
EB
= 2 V,
I
C
= 0
Emitter-base cutoff current
V
EB
= 2 V,
I
C
= 0
Base-emitter forward voltage
I
E
= 15 mA,
I
C
= 0
DC current gain
I
C
= 5 mA,
V
CE
= 6 V
3)
DC Characteristics
at
T
A
= 25
°
C unless otherwise specified
Symbol
min.
Limit Values
typ.
-
-
-
-
-
-
100
max.
100
100
50
25
0.5
1
175
m
A
m
A
nA
m
A
m
A
V
-
-
-
-
-
-
-
55
Unit
I
CBO
I
CEX
I
CBO
I
EBO
I
EBO
V
FBE
h
FE
This test assures
V
(BR)CE0
> 12 V.
Semiconductor Group
2
Draft A04 1998-04-01
BFY 181
Table 3
Parameter
AC Characteristics
at
T
A
= 25
°C
unless otherwise specified
Symbol
min.
Limit Values
typ.
7.5
8
0.21
0.34
0.45
2.2
max.
GHz
6.5
-
-
-
-
-
-
-
0.29
-
0.6
2.9
pF
pF
pF
dB
Unit
Transition frequency
I
C
= 10 mA,
V
CE
= 5 V,
f
= 500 MHz
I
C
= 10 mA,
V
CE
= 8 V,
f
= 500 MHz
f
T
C
CB
Collector-base capacitance
V
CB
= 10 V,
V
BE
= vbe = 0,
f
= 1 MHz
Collector-emitter capacitance
C
CE
V
CE
= 10 V,
V
BE
= vbe = 0,
f
= 1 MHz
Emitter-base capacitance
C
EB
V
EB
= 0.5 V,
V
CB
= vcb = 0,
f
= 1 MHz
Noise figure
I
C
= 4 mA,
V
CE
= 5 V,
f
= 2 GHz,
Z
S
=
Z
Sopt
Power gain
I
C
= 10 mA,
V
CE
= 5 V,
f
= 2 GHz,
Z
S
=
Z
Sopt
,
Z
L
=
Z
Lopt
Transducer gain
I
C
= 10 mA,
V
CE
= 5 V,
f
= 2 GHz,
Z
S
=
Z
L
= 50
W
4)
F
G
ma 4)
½S
21e
½
2
13.5
14.5
-
dB
10
11
-
dB
G
ma
=
S21
(
k
Ð
k
Ð
1
),
G
ms
=
S21
----------
-
----------
-
S12
S12
2
Semiconductor Group
3
Draft A04 1998-04-01
BFY 181
Order Instructions
Full type variant including quality level must be specified by the orderer. For
HiRel
Discrete and Microwave Semiconductors the ordering code specifies device family and
quality level.
Ordering Form:
Ordering Code: QÉ
BFY181 (x) (ql)
(ql): Quality Level
Ordering Example:
Ordering Code: Q62702F1715
BFY181 ES
For BFY181 in ESA Space Quality Level
Further Information
See our WWW-Pages:
Ð Discrete and RF-Semiconductors (Small Signal Semiconductors)
www.siemens.de/semiconductor/products/35/35.htm
Ð
HiRel
Discrete and Microwave Semiconductors
www.siemens.de/semiconductor/products/35/353.htm
Please contact also our marketing division:
Tel.: ++89 6362 4480
Fax.: ++89 6362 5568
e-mail: martin.wimmers@hl.siemens.de
Semiconductor Group
4
Draft A04 1998-04-01
Microcontroller MCU
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