BFG 135A
NPN Silicon RF Transistor For low-distortion broadband amplifier stages in antenna and telecommunication systems up to 2 GHz at collector currents from 70 mA to 130 mA Power amplifiers for DECT and PCN systems Integrated emitter ballast resistor fT = 6 GHz
4
Junction temperature Ambient temperature Storage temperature
Thermal Resistance Junction - soldering point RthJS
1T is measured on the collector lead at the soldering point to the pcb S
3 2 1
VPS05163
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type BFG 135A
Maximum Ratings Parameter
Marking BFG135A 1=E
Pin Configuration 2=B 3=E 4=C
Package SOT-223
Symbol VCEO VCES VCBO VEBO IC IB 100 °C F) Ptot Tj TA Tstg
Value 15 25 25 2 150 20 1 150 -65 ... 150 -65 ... 150
Unit V
Collector-emitter voltage Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Base current Total power dissipation , TS
mA W °C
50
K/W
1
Oct-26-1999
BFG 135A
Electrical Characteristics at TA = 25°C, unless otherwise specified. Parameter DC characteristics Collector-emitter breakdown voltage IC = 1 mA, IB = 0 Collector-emitter cutoff current VCE = 25 V, VBE = 0 Collector-base cutoff current VCB = 10 V, IE = 0 Emitter-base cutoff current VEB = 1 V, IC = 0 DC current gain IC = 100 mA, VCE = 8 V hFE 80 120 250 IEBO 1 µA ICBO 50 nA ICES 100 µA V(BR)CEO 15 V Symbol min. Values typ. max. Unit
2
Oct-26-1999
BFG 135A
Electrical Characteristics at TA = 25°C, unless otherwise specified. Symbol Values Parameter min. AC characteristics (verified by random sampling) Transition frequency IC = 100 mA, VCE = 8 V, f = 200 MHz Collector-base capacitance VCB = 10 V, f = 1 MHz Collector-emitter capacitance VCE = 10 V, f = 1 MHz Emitter-base capacitance VEB = 0.5 V, f = 1 MHz Noise figure IC = 30 mA, VCE = 8 V, ZS = ZSopt , f = 900 MHz f = 1.8 GHz Power gain, maximum available F) IC = 100 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt , f = 900 MHz f = 1.8 GHz Transducer gain |S21e|2 , IP3 , 10 4 38 IC = 100 mA, VCE = 8 V, ZS = ZL = 50 f = 900 MHz f = 1.8 GHz Third order intercept point IC = 100 mA, VCE = 8 V, ZS = ZL= 50 f = 900 MHz 14 9 Gma F 2 3.7 Ceb 7.5 Cce 0.8 Ccb 1.3 1.8 fT 4.5 6 typ. max.
Unit
GHz pF
dB
1G ma
= |S21 / S12 | (k-(k2-1)1/2)
dBm
3
Oct-26-1999
BFG 135A
Total power dissipation Ptot = f (TA *, TS )
* Package mounted on epoxy
1200
mW
1000 900
TS TA
P tot
800 700 600 500 400 300 200 100 0 0 20 40 60 80 100 120 °C
Kei 150 n
TA,TS
Permissible Pulse Load RthJS = f (tp )
Permissible Pulse Load Ptotmax/P totDC = f (tp)
10 2
10 2
K/W
Ptotmax / PtotDC
-
10 1
10 1
0.5 0.2 0.1 0.05 0.02 0.01 0.005 D=0
D=0 0.005 0.01 0.02 0.05 0.1 0.2 0.5
RthJS
10 0 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
10 0 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
tp
tp
4
Oct-26-1999
BFG 135A
Collector-base capacitance Ccb = f (VCB ) f = 1MHz
Transition frequency f T = f (I C)
V CE = Parameter
4.0
pF
7.0
GHz 10V
6.0 5.5 5.0
5V 3V 2V
3.0
Ccb
2.5
fT
4.5 4.0
2.0
3.5 3.0
1V
1.5
2.5 2.0 1.5 1.0 0.5
0.7V
1.0
0.5
0.0 0
4
8
12
16
V
22
0.0 0
20
40
60
80
100
120
140 mA 170
VCB
IC
Power Gain Gma , Gms = f(IC )
f = 0.9GHz VCE = Parameter
16
dB 10V 5V 3V
Power Gain Gma, Gms = f(I C)
f = 1.8GHz VCE = Parameter
11
dB
9 8
10V 5V 3V
12
2V
G
G
10
7
2V
6 8
1V
5 6
0.7V
4 3 2
1V
4
2
1 20 40 60 80 100 120 140 mA 170 0 0 20 40 60 80 100 120
0.7V
0 0
140 mA 170
IC
IC
5
Oct-26-1999
BFG 135A
Power Gain Gma , Gms = f(VCE):_____
|S21|2 = f(VCE):--------f = Parameter
15 dB
Intermodulation Intercept Point IP3=f(IC)
(3rd order, Output, ZS=ZL=50 ) VCE = Parameter, f = 900MHz
45
IC=100mA
0.9GHz dBm 10V 8V
12 11 10
0.9GHz 1.8GHz
35
G
9 8 7 6 5 4 3 2 1 0 0 2 4 6 8
IP 3
30
3V
25
20
1V
15
V
12
10 0
20
40
60
80
VCE
Power Gain Gma , Gms = f(f)
VCE = Parameter
30
Power Gain |S21|2= f(f)
V CE = Parameter
30
IC=100mA
dB dB
IC =100mA
20
G
S21
20
15 15 10 10 5
10V
5
2V 1V 0.7V
0
0.7
1V
0 0.0
0.5
1.0
1.5
2.0
2.5
GHz
3.5
-5 0.0
0.5
1.0
1.5
f
6
5V
2V
100
120
mA
160
IC
2V
10V
2.0
GHz
3.0
f
Oct-26-1999
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