Genesys Bfr93a Infineon

User Manual: Marking of electronic components, SMD Codes R2**, R23, R24, R25, R29A, R29B, R29C, R29D, R29E, R29F, R2A, R2F, R2G, R2T, R2X, R2p, R2s. Datasheets 2SC3356, BFR93A, ELM9732CAA, MMST2907A, MMST3906, MMST4401, MMST4403, MMSTA56, REF2912, REF2920, REF2925, REF2930, REF2933, REF2940, SST2907A, SST3906, SST4401, SST4403, SSTA56, UMT2907A, UMT3906.

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BFR 93A
NPN Silicon RF Transistor

3

 For low-noise, high-gain broadband amplifiers at

collector currents from 2 mA to 30 mA

2
1

VPS05161

ESD: Electrostatic discharge sensitive device, observe handling precaution!

Type

Marking

BFR 93A

R2s

Pin Configuration
1=B

2=E

Package

3=C

SOT-23

Maximum Ratings
Parameter

Symbol

Collector-emitter voltage

VCEO

12

Collector-emitter voltage

VCES

20

Collector-base voltage

VCBO

20

Emitter-base voltage

VEBO

2

Collector current

IC

50

Base current

IB

6

Total power dissipation, TS  63 °C 1)

Ptot

300

mW

Junction temperature

Tj

150

°C

Ambient temperature

TA

-65 ... 150

Storage temperature

Tstg

-65 ... 150

Value

Unit
V

mA

Thermal Resistance
Junction - soldering point

RthJS

 290

K/W

1T is measured on the collector lead at the soldering point to the pcb
S

1

Oct-13-1999

BFR 93A

Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter

Symbol

Values

Unit

min.

typ.

max.

12

-

-

V

ICES

-

-

100

µA

ICBO

-

-

100

nA

IEBO

-

-

10

µA

hFE

50

100

200

-

DC characteristics
Collector-emitter breakdown voltage

V(BR)CEO

IC = 1 mA, IB = 0
Collector-emitter cutoff current
VCE = 20 V, VBE = 0
Collector-base cutoff current
VCB = 10 V, IE = 0
Emitter-base cutoff current
VEB = 2 V, IC = 0
DC current gain
IC = 30 mA, VCE = 8 V

2

Oct-13-1999

BFR 93A

Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter
Symbol
Values

Unit

min.

typ.

max.

4.5

6

-

Ccb

-

0.58

0.9

Cce

-

0.23

-

Ceb

-

1.7

-

AC characteristics (verified by random sampling)
Transition frequency

fT

GHz

IC = 30 mA, VCE = 8 V, f = 500 MHz
Collector-base capacitance

pF

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

dB

F

IC = 5 mA, VCE = 8 V, ZS = ZSopt ,
f = 900 MHz

-

2

-

f = 1.8 GHz

-

3.3

-

f = 900 MHz

-

13.5

-

f = 1.8 GHz

-

8.5

-

-

12

-

-

6.5

-

Power gain, maximum available 1)

Gma

IC = 30 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt ,

|S21e|2

Transducer gain

IC = 30 mA, VCE = 8 V, ZS = ZL = 50 ,
f = 900 MHz
f = 1.8 GHz

1G
ma

= |S21 / S12 | (k-(k2-1)1/2 )

3

Oct-13-1999

BFR 93A

SPICE Parameters (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax) :
Transistor Chip Data

IS =

8.6752

fA

BF =

137.63

-

NF =

0.93633

-

VAF =

20.011

V

IKF =

0.33395

A

ISE =

2619.3

fA

NE =

1.5466

-

BR =

59

-

NR =

0.88761

-

VAR =

26.834

V

IKR =

0.015129

A

ISC =

0.70823

fA

NC =

1.95

-

RB =

7.2326

IRB =

0.043806

mA

RBM =

3.4649





RE =

1.0075

RC =

0.13193



CJE =

3.1538

fF

VJE =

0.70393

V

MJE =

0.5071

-

TF =

33.388

ps

XTF =

0.28319

-

VTF =

0.17765

V

ITF =

2.5184

mA

PTF =

0

deg

CJC =

1039.5

fF

VJC =

0.72744

V

MJC =

0.34565

-

XCJC =

0.21422

-

TR =

1.1061

ns

CJS =

0

fF

VJS =

0.75

V

MJS =

0

-

XTB =

0

-

EG =

1.11

eV

XTI =

3

-

FC =

0.75935

-

TNOM

300

K

L BI =

0.85

nH

L BO =

0.51

nH

L EI =

0.69

nH

L EO =

0.61

nH

L CI =

0

nH

L CO =

0.49

nH

C BE =

73

fF

C CB =

84

fF

C CE =

165

fF

All parameters are ready to use, no scalling is necessary.
Extracted on behalf of SIEMENS Small Signal Semiconductors by:
Institut für Mobil-und Satellitentechnik (IMST)
1996 SIEMENS AG



Package Equivalent Circuit:

Valid up to 6GHz
For examples and ready to use parameters please contact your local Infineon Technologies distributor or sales
office to obtain a Infineon Technologies CD-ROM or see Internet: http://www.infineon.com/products/discrete/index.htm

4

Oct-13-1999

BFR 93A

Total power dissipation Ptot = f (TA *, TS )
* Package mounted on epoxy

400
mW

P tot

300

TS

250

200

TA

150

100

50

0
0

20

40

60

80

100

120 °C

150

TA,TS

Permissible Pulse Load

Permissible Pulse Load RthJS = f (tp )

Ptotmax/P totDC = f (tp)
10 2

Ptotmax / PtotDC

10 3

RthJS

K/W

10 2

-

D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5

10 1

0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0

10 1

10 0 -7
10

10

-6

10

-5

10

-4

10

-3

10

-2

s

10

10 0 -7
10

0

tp

10

-6

10

-5

10

-4

10

-3

10

-2

s

10

0

tp

5

Oct-13-1999

BFR 93A

Collector-base capacitance Ccb = f (VCB )

Transition frequency f T = f (I C)

f = 1MHz
V CE = Parameter
6.0

1.5
pF

10V

GHz
2V

5.0
1.2
4.5
4.0

1.0

fT

Ccb

1.1

0.9

1V

3.5

0.8

3.0

0.7

2.5

0.6
0.5

2.0

0.4

1.5

0.3

1.0

0.2

0.5

0.1
0.0
0

0.7V

4

8

12

16

V

0.0
0

22

10

20

30

40

mA

VCB

IC

Power Gain Gma , Gms = f(IC )

Power Gain Gma, Gms = f(I C)

f = 0.9GHz

f = 1.8GHz

VCE = Parameter

VCE = Parameter

14

60

9

10V
5V

10V

dB

5V

3V

dB

2V

3V

7

G

G

2V

10

6

5
1V

8

4

1V

3
6
2
0.7V

4
0

10

20

30

40

mA

0.7V

1
0

60

IC

10

20

30

40

mA

60

IC

6

Oct-13-1999

BFR 93A

Power Gain Gma , Gms = f(VCE):_____

Intermodulation Intercept Point IP3=f(IC)



|S21|2 = f(VCE):---------

(3rd order, Output, ZS=ZL=50 )
VCE = Parameter, f = 900MHz

f = Parameter
16

32

IC=30mA

8V

dBm

dB

0.9GHz

5V

28
0.9GHz

26

G

IP 3

12

10

3V

24
22

2V

1.8GHz

20

8
1.8GHz

18

6

16

1V

14

4

12
2
0

2

4

6

V

8

10
0

12

10

20

30

mA

40

VCE

IC

Power Gain |S21|2= f(f)

Power Gain Gma , Gms = f(f)

V CE = Parameter

VCE = Parameter
32

30

IC=30mA

IC =30mA

dB

dB

22

S21

24

G

60

20

18

16

14

12

10

8

6
10V
1V

4

10V
1V

2

0.7V

0
0.0

0.5

1.0

1.5

2.0

2.5

GHz

0.7V

-2
0.0

3.5

f

0.5

1.0

1.5

2.0

2.5

GHz

3.5

f

7

Oct-13-1999



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