START540 datasheet(1/7 Pages) STMICROELECTRONICS

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July, 3 2002

START540

NPN Silicon RF Transistor

SOT343 (SC70)

ORDER CODE

START540TR

BRANDING

540

APPLICATIONS

• LNA FOR GSM/DCS, DECT, PDC, PCS,

PCN, CDMA, W-CDMA

• GENERAL PURPOSE 500MHz-5GHz

• LOW NOISE FIGURE: NFmin = 0.9dB

@ 1.8GHz, 5mA, 2V

• HIGH OUTPUT IP3 = 24dBm

@ 1.8GHz, 20mA, 2V

• GOOD RUGGEDNESS BVceo = 4.5V

• TRANSITION FREQUENCY 45GHz

• ULTRA MINIATURE SOT343 PACKAGE

DESCRIPTION

The START540 is a member of the START family

that provide the market with the state of the art of RF

silicon

process. Manufacturated

in

the

third

generation of ST proprietary bipolar process, it

offers the highest linearity with excellent Noise

Figure for 4.5V breakdown voltage(BVceo).

It reaches performance level only achieved with

GaAs products before.

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Vceo

Collector emitter voltage

4.5

V

Vcbo

Collector base voltage

15

V

Vebo

Emitter base voltage

1.5

V

Ic

Collector current

40

mA

Ib

Base current

4

mA

Ptot

Total dissipation, Ts = 101

180

mW

Tstg

Storage temperature

-65 to 150

oC

Tj

Max. operating junction temperature

150

oC

Rthjs

Thermal Resistance Junction soldering point

270

oC/W

ABSOLUTE MAXIMUM RATINGS

Số phần tương tự - START540

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