BF517 Datasheet. Www.s Manuals.com. Infineon

User Manual: Marking of electronic components, SMD Codes LR, LR-, LR-***, LR1G, LR1L, LRAG, LRAL, LRCG, LRDG, LRJ, LRP, LRs, Lr. Datasheets 1SMB17AT3, BD52E23G, BF517, LP2985-10DBVR, LP2985A-10DBVR, LP2985A-30DBVR, LP2985A-50DBVR, NL17SZ16DFT2, NL17SZ16XV5T2, P6SMB30A, PZU6.8BA , RT9818C-13PV, RT9818C-27PX, SMBJ17A, TPSMB30A.

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BF 517
NPN Silicon RF Transistor

3

 For amplifier and oscillator

applications in TV-tuners

2
1

Type

Marking

BF 517

LRs

Pin Configuration
1=B

2=E

VPS05161

Package

3=C

SOT-23

Maximum Ratings
Parameter

Symbol

Value

Unit

Collector-emitter voltage

VCEO

15

Collector-base voltage

VCBO

20

Emitter-base voltage

VEBO

2.5

Collector current

IC

25

Peak collector current, f  10 MHz

ICM

50

Total power dissipation, TS  55 °C F)

Ptot

280

mW

Junction temperature

Tj

150

°C

Ambient temperature

TA

-65 ... 150

Storage temperature

Tstg

-65 ... 150

V

mA

Thermal Resistance
RthJS

Junction - soldering point

 340

K/W

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

1

Oct-26-1999

BF 517

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

Unit

min.

typ.

max.

15

-

-

V

ICBO

-

-

50

nA

hFE

25

-

250

-

VCEsat

-

0.1

0.5

V

fT

1

2

-

Ccb

0.3

0.55

0.75

Cce

-

0.25

0.4

Cibo

-

1.45

-

Cobs

-

0.8

-

F

-

2.5

-

DC characteristics
Collector-emitter breakdown voltage

V(BR)CEO

IC = 1 mA, IB = 0
Collector-base cutoff current
VCB = 15 V, IE = 0
DC current gain
IC = 5 mA, VCE = 10 V
Collector-emitter saturation voltage
IC = 10 mA, IB = 1 mA

AC characteristics
Transition frequency

GHz

IC = 5 mA, VCE = 10 V, f = 200 MHz
Collector-base capacitance

pF

VCB = 5 V, f = 1 MHz
Collector-emitter capacitance
VCE = 5 V, f = 1 MHz
Input capacitance
VEB = 0.5 V, IC = 0 , f = 1 MHz
Output capacitance
VCE = 5 V, VBE = 0 , f = 1 MHz
Noise figure

dB

IC = 5 mA, VCE = 10 V, f = 100 MHz,
ZS = 75 

2

Oct-26-1999

BF 517

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

300

mW

P tot

TS
200

TA
150

100

50

0
0

20

40

60

80

120 °C

100

150

TA,TS

Permissible Pulse Load RthJS = f (tp )

Permissible Pulse Load
Ptotmax/P totDC = f (tp)

10 3

10 3

Ptotmax / PtotDC

K/W

RthJS

10 2

-

D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5

10 2

10 1

0.5
0.2
0.1
0.05
0.02
0.01
0.005
D=0

10 0

10 -1 -6
10

10

-5

10

-4

10

-3

10

10 1

-2

s

10

10 0 -6
10

0

tp

10

-5

10

-4

10

-3

10

-2

s

10

0

tp

3

Oct-26-1999

BF 517

Collector-base capacitance Ccb = f (VCB )

Transition frequency f T = f (I C)

f = 1MHz
V CE = Parameter
1.3

3.0

pF

1.1

10V

GHz

5V
3V

0.9

2.0

fT

Ccb

1.0

0.8

2V

0.7
1.5

0.6
0.5

1.0

0.4
0.3

1V

0.5

0.2

0.7V

0.1
0.0
0

4

8

12

16

20

V

0.0
0

26

VCB

5

10

15

20

mA

30

IC

4

Oct-26-1999

www.s-manuals.com



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