BFS481 datasheet(4/6 Pages) SIEMENS

Part #	BFS481

Description	NPN Silicon RF Transistor (For low-noise, high-gain broadband amplifier at collector currents from 0.5 to 12 mA)

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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4 / 6 page

Semiconductor Group

4

Dec-16-1996

BFS 481

Total power dissipation

Ptot = f (TA*, TS)

* Package mounted on epoxy

0

20

40

60

80

100

120 °C 150

T

A,TS

0

20

40

60

80

100

120

140

160

mW

200

P

tot

T

S

T

A

Permissible Pulse Load

RthJS = f (tp)

10

-7

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

10

0

s

t

p

1

10

2

10

3

10

K/W

R

thJS

D = 0

0.005

0.01

0.02

0.05

0.1

0.2

0.5

Permissible Pulse Load

Ptotmax/PtotDC = f (tp)

10

-7

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

10

0

s

t

p

0

10

1

10

2

10

-

P

totmax/PtotDC

D = 0

0.005

0.01

0.02

0.05

0.1

0.2

0.5

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BFS481 Datasheet(PDF) 4 Page - Siemens Semiconductor Group

BFS481 Datasheet(HTML) 4 Page - Siemens Semiconductor Group

Similar Part No. - BFS481

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