BFU790F
NPN wideband silicon germanium RF transistor
Rev. 1 — 22 April 2011
Product data sheet
1. Product profile
1.1 General description
NPN silicon germanium microwave transistor for high speed, low noise applications in a
plastic, 4-pin dual-emitter SOT343F package.
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling
electrostatic sensitive devices.
Such precautions are described in the
ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A
or
equivalent standards.
1.2 Features and benefits
Low noise high linearity microwave transistor
110 GHz f
T
silicon germanium technology
High maximum output power at 1 dB compression 20 dBm at 1.8 GHz
1.3 Applications
High linearity applications
Medium output power applications
Wi-Fi / WLAN / WiMAX
ZigBee
LTE, cellular, UMTS
NXP Semiconductors
BFU790F
NPN wideband silicon germanium RF transistor
1.4 Quick reference data
Table 1.
V
CBO
V
CEO
V
EBO
I
C
P
tot
h
FE
C
CBS
f
T
IP3
O
G
p(max)
NF
Quick reference data
Conditions
open emitter
open base
open collector
T
sp
≤
90
°C
I
C
= 10 mA; V
CE
= 2 V;
T
j
= 25
°C
V
CB
= 2 V; f = 1 MHz
I
C
= 100 mA; V
CE
= 1 V;
f = 2 GHz; T
amb
= 25
°C
I
C
= 30 mA; V
CE
= 2.5 V;
f = 1.8 GHz; T
amb
= 25
°C
I
C
= 85 mA; V
CE
= 1 V;
f = 1.8 GHz; T
amb
= 25
°C
I
C
= 20 mA; V
CE
= 2 V;
Γ
S
=
Γ
opt
; f = 1.8 GHz;
T
amb
= 25
°C
I
C
= 60 mA; V
CE
= 2.5 V;
Z
S
= Z
L
= 50
Ω;
f = 1.8 GHz; T
amb
= 25
°C
[2]
[1]
Symbol Parameter
collector-base voltage
collector-emitter voltage
emitter-base voltage
collector current
total power dissipation
DC current gain
collector-base
capacitance
transition frequency
output third-order
intercept point
maximum power gain
noise figure
Min
-
-
-
-
-
235
-
-
-
-
-
Typ
-
-
-
50
-
410
514
25
33
19.5
0.40
Max
10
2.8
1.0
100
234
585
-
-
-
-
-
Unit
V
V
V
mA
mW
fF
GHz
dBm
dB
dB
P
L(1dB)
output power at 1 dB
gain compression
-
20
-
dBm
[1]
[2]
T
sp
is the temperature at the solder point of the emitter lead.
G
p(max)
is the maximum power gain, if K > 1. If K < 1 then G
p(max)
= Maximum Stable Gain (MSG).
2. Pinning information
Table 2.
Pin
1
2
3
4
Discrete pinning
Description
emitter
base
emitter
collector
1, 3
2
1
mbb159
Simplified outline
3
4
Graphic symbol
4
2
3. Ordering information
Table 3.
Ordering information
Package
Name
BFU790F
-
Description
plastic surface-mounted flat pack package; reverse
pinning; 4 leads
Version
SOT343F
Type number
BFU790F
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 22 April 2011
2 of 12
NXP Semiconductors
BFU790F
NPN wideband silicon germanium RF transistor
4. Marking
Table 4.
BFU790F
Marking
Marking
D8*
Description
* = p : made in Hong Kong
* = t : made in Malaysia
* = w : made in China
Type number
5. Limiting values
Table 5.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
tot
T
stg
T
j
[1]
Parameter
collector-base voltage
collector-emitter voltage
emitter-base voltage
collector current
total power dissipation
storage temperature
junction temperature
Conditions
open emitter
open base
open collector
T
sp
≤
90
°C
[1]
Min
-
-
-
-
-
−65
-
Max
10
2.8
1.0
100
234
+150
150
Unit
V
V
V
mA
mW
°C
°C
T
sp
is the temperature at the solder point of the emitter lead.
6. Thermal characteristics
Table 6.
Symbol
R
th(j-sp)
Thermal characteristics
Parameter
thermal resistance from junction to solder point
Conditions
Typ
256
Unit
K/W
250
P
tot
(mW)
200
001aam872
150
100
50
0
0
40
80
120
T
sp
(°C)
160
Fig 1.
BFU790F
Power derating curve
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 22 April 2011
3 of 12
NXP Semiconductors
BFU790F
NPN wideband silicon germanium RF transistor
7. Characteristics
Table 7.
Characteristics
T
j
= 25
°
C unless otherwise specified
Symbol Parameter
V
(BR)CBO
collector-base breakdown voltage
I
C
I
CBO
h
FE
C
CES
C
EBS
C
CBS
f
T
G
p(max)
collector current
collector-base cut-off current
DC current gain
collector-emitter capacitance
emitter-base capacitance
collector-base capacitance
transition frequency
maximum power gain
I
E
= 0 mA; V
CB
= 4.5 V
I
C
= 10 mA; V
CE
= 2 V
V
CB
= 2 V; f = 1 MHz
V
EB
= 0.5 V; f = 1 MHz
V
CB
= 2 V; f = 1 MHz
I
C
= 100 mA; V
CE
= 1 V; f = 2 GHz;
T
amb
= 25
°C
I
C
= 85 mA; V
CE
= 1 V; T
amb
= 25
°C
f = 1.5 GHz
f = 1.8 GHz
f = 2.4 GHz
|s
21
|
2
insertion power gain
I
C
= 85 mA; V
CE
= 1 V; T
amb
= 25
°C
f = 1.5 GHz
f = 1.8 GHz
f = 2.4 GHz
NF
noise figure
I
C
= 20 mA; V
CE
= 2 V;
Γ
S
=
Γ
opt
; T
amb
= 25
°C
f = 1.5 GHz
f = 1.8 GHz
f = 2.4 GHz
G
ass
associated gain
I
C
= 20 mA; V
CE
= 2 V;
Γ
S
=
Γ
opt
; T
amb
= 25
°C
f = 1.5 GHz
f = 1.8 GHz
f = 2.4 GHz
P
L(1dB)
output power at 1 dB gain
compression
I
C
= 60 mA; V
CE
= 2.5 V; Z
S
= Z
L
= 50
Ω;
T
amb
= 25
°C
f = 1.5 GHz
f = 1.8 GHz
f = 2.4 GHz
IP3
third-order intercept point
I
C
= 30 mA; V
CE
= 2.5 V; Z
S
= Z
L
= 50
Ω;
T
amb
= 25
°C
f = 1.5 GHz
f = 1.8 GHz
f = 2.4 GHz
f = 5.8 GHz
[1]
G
p(max)
is the maximum power gain, if K > 1. If K < 1 then G
p(max)
= MSG.
[1]
Conditions
I
C
= 2.5
μA;
I
E
= 0 mA
Min Typ
10
2.8
-
-
-
-
-
-
-
-
50
-
527
514
25
Max Unit
-
-
100
100
585
-
-
-
fF
fF
fF
GHz
V
V
mA
nA
V
(BR)CEO
collector-emitter breakdown voltage I
C
= 1 mA; I
B
= 0 mA
235 410
2817 -
-
-
-
-
-
-
-
-
-
-
-
-
21
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
19.5 -
16.5 -
14.5 -
13
-
10.5 -
0.40 -
0.40 -
0.50 -
19
-
17.5 -
15.7 -
-
-
-
20
20
19
-
-
-
dBm
dBm
dBm
-
-
-
-
33
33
34
33
-
-
-
-
dBm
dBm
dBm
dBm
BFU790F
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 22 April 2011
4 of 12
NXP Semiconductors
BFU790F
NPN wideband silicon germanium RF transistor
100
I
C
(mA)
80
(1)
(2)
(3)
001aam873
500
h
FE
400
001aam874
60
(4)
(5)
(6)
300
40
(7)
(8)
200
20
(9)
100
0
0
1
2
V
CE
(V)
3
0
0
20
40
60
80
100
I
C
(mA)
T
amb
= 25
°C.
(1) I
B
= 250
μA
(2) I
B
= 225
μA
(3) I
B
= 200
μA
(4) I
B
= 175
μA
(5) I
B
= 150
μA
(6) I
B
= 125
μA
(7) I
B
= 100
μA
(8) I
B
= 75
μA
(9) I
B
= 50
μA
V
CE
= 2 V; T
amb
= 25
°C.
Fig 2.
Collector current as a function of
collector-emitter voltage; typical values
Fig 3.
DC current gain as a function of collector
current; typical values
BFU790F
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 22 April 2011
5 of 12
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