QST2

Transistors

Rev.B

1/2

General purpose amplification (

−12V, −3A)

QST2

Application

Low frequency amplifier

Driver

Features

1) Collector current is large.

2) Collector saturation voltage is low.

−250mV

External dimensions (Unit : mm)

1.6

2.8

Each lead has same dimensions

Abbreviated symbol : T02

ROHM : TSMT6

Absolute maximum ratings (Ta=25

°C)

Parameter

Symbol

Tj

Tstg

Limits

−15

−12

−6

−6

500

150

−55 to +150

−10

Unit

V

V

V

A

A

mW

°C

°C

Collector-base voltage

Collector-emitter voltage

Emitter-base voltage

Collector current

Power dissipation

Junction temperature

Range of storage temperature

1.25

t

Equivalent circuit

6pin

5pin

4pin

1pin

2pin

3pin

Electrical characteristics (Ta=25

°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Transition frequency

−

250

−

MHz

−15

−−

V

= −10µA

Collector-emitter breakdown voltage

−12

−−

V

= −1mA

Collector-base breakdown voltage

−6

−−

V

= −10µA

Emitter-base breakdown voltage

−−

−100

nA

= −15V

Collector cutoff current

−−

−100

nA

= −6V

Emitter cutoff current

−−120

−250

mV

Collector-emitter saturation voltage

270

−

680

−

DC current gain

Cob

−

80

−

pF

Corrector output capacitance

∗

∗