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July, 3 2002

START405

NPN Silicon RF Transistor

SOT343 (SC70)

ORDER CODE

START405TR

BRANDING

405

APPLICATIONS

• LNA FOR GSM/DCS, DECT, PCS, PCN,

CDMA, W-CDMA

• GENERAL PURPOSE 500MHz-5GHz

• LOW NOISE FIGURE: NFmin = 1.1dB

@ 1.8GHz, 2mA, 2V

• COMPRESSION P1dB = 5dBm

@ 1.8GHz, 5mA, 2V

• TRANSITION FREQUENCY 42GHz

• LOW CURRENT CONSUMPTION

• ULTRA MINIATURE SOT343 PACKAGE

DESCRIPTION

The START405 is a member of the START family

that provide the state of the art of RF silicon process

to the market.

Manufacturated

in

the third

generation of ST proprietary bipolar process, it

offers the best mix of gain and NF for given

breakdown voltage(BVceo).

It offers performance level only archived with GaAs

products before.

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Collector emitter voltage

4.5

V

Collector base voltage

15

V

Emitter base voltage

1.5

V

Collector current

10

mA

Base current

1

mA

45

mW

Storage temperature

-65 to 150

Max. operating junction temperature

150

Thermal Resistance Junction soldering point

270

ABSOLUTE MAXIMUM RATINGS