HIT 2SC2471 Datasheet

Loading...

2SC2471

Silicon NPN Epitaxial

Application

UHF Amplifier

UHF TV Tuner, Local oscillator

Outline

TO-92 (2)

1. Base

2. Emitter

3. Collector

3

2

1

2SC2471

Absolute Maximum Ratings (Ta = 25°C)

Item

Symbol

Ratings

Unit

Collector to base voltage

VCBO

30

V

Collector to emitter voltage

VCEO

30

V

Emitter to base voltage

VEBO

3

V

Collector current

IC

50

mA

 

 

 

 

Collector power dissipation

PC

310

mW

 

 

 

 

Junction temperature

Tj

150

°C

Storage temperature

Tstg

–55 to +150

°C

Electrical Characteristics (Ta = 25°C)

Item

Symbol

Min

 

 

Typ

 

 

 

 

 

Max

Unit

Test conditions

Collector to base breakdown

V(BR)CBO

30

 

 

 

 

 

 

 

 

 

V

I

C = 10 A, IE = 0

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Collector to emitter breakdown

V(BR)CEO

30

 

 

 

 

 

 

 

 

 

V

I

C = 1 mA, RBE =

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Emitter to base breakdown

V(BR)EBO

3

 

 

 

 

 

 

 

 

 

V

I

E = 10 A, IC = 0

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Collector cutoff current

ICBO

 

100

nA

V

CB = 24 V, IE = 0

Emitter cutoff current

IEBO

 

100

nA

V

EB = 2 V, IC = 0

Collector to emitter saturation

VCE(sat)

 

300

mV

I

C = 10 mA, IB = 5 mA

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Base to emitter voltage

VBE

 

0.95

V

V

CE = 10 V, IC = 5 mA

DC current transfer ratio

hFE

20

 

 

 

 

 

 

 

 

 

 

V

CE = 10 V, IC = 5 mA

Gain bandwidth product

fT

1000

 

 

2000

 

 

 

 

 

MHz

V

CE = 10 V, IC = 5 mA

 

 

 

 

 

 

 

 

 

Collector output capacitance

Cob

0.9

 

1.5

pF

V

CB = 10 V, IE = 0, f = 1 MHz

 

 

 

 

 

 

 

 

Base time constant

rbb’ CC

12

 

20

ps

V CB = 10 V, IC = 5 mA,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

f = 31.8 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

HIT 2SC2471 Datasheet

Maximum Collector Dissipation Curve

100

 

(mW)

400

 

 

 

h

 

 

 

 

 

 

FE

 

C

 

 

 

 

TransferCurrentRatio

80

 

 

 

 

 

DissipationPowerP

300

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

200

 

 

 

 

40

 

 

 

 

 

 

Collector

100

 

 

 

DC

20

 

 

 

 

 

 

 

 

0

 

0

50

100

150

 

1

 

 

Ambient Temperature Ta (°C)

 

 

 

2SC2471

DC Current Transfer Ratio vs.

Collector Current

VCE = 10 V

2

5

10

20

50

Collector Current IC (mA)

Gain Bandwidth Product fT (MHz)

2,500

2,000

1,500

1,000

500

0

1

Gain Bandwidth Product vs.

Collector Current

VCE = 10 V

2

5

10

20

50

 

 

 

 

 

 

 

Collector Current

IC (mA)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Collector Output Capacitance Cob (pF)

Collector Output Capacitance vs. Collector to Base Voltage

5

f = 1 MHz IE = 0

2

1.0

0.5

0.2

0.1

1

2

5

10

20

50

Collector to Base Voltage VCB (V)

3

+ 4 hidden pages