QST2 datasheet(2/3 Pages) ROHM

2 / 3 page

QST2

Transistors

Rev.B

2/2

Packaging specifications

Package

Code

Taping

Basic ordering unit (pieces)

QST2

3000

Type

Electrical characteristic curves

0.001

0.01

0.1

COLLECTOR CURRENT : IC (A)

Fig.1 DC current gain

vs. collector current

1000

100

VCE

= −2V

Pulsed

=25°C

=125°C

= −40°C

0.001

0.01

0.1

COLLECTOR CURRENT : IC (A)

Fig.2 Collector-emitter saturation voltage

base-emitter saturation voltage

vs. collector current

0.001

0.01

0.1

VBE(sat)

VCE(sat)

IC/IB

=20/1

Pulsed

=125°C

= −40°C

=25°C

= −40°C

=25°C

=125°C

0.001

0.01

0.1

COLLECTOR CURRENT : IC (A)

Fig.3 Collector-emitter saturation voltage

vs. collector current

0.001

0.1

0.01

IC/IB

=10/1

IC/IB

=20/1

IC/IB

=50/1

IC/IB

=50/1

Pulsed

0.001

0.01

0.1

100

EMITTER TO BASE VOLTAGE : VEB (V)

COLLECTOR TO BASE VOLTAGE : VCB (V)

Fig.6 Collector output capacitance

vs. collector-base voltage

Emitter input capacitance

vs. emitter-base voltage

100

1000

10000

=1MHz

=0A

Cib

Cob

BASE TO EMITTER CURRENT : VBE (V)

Fig.4 Grounded emitter propagation

characteristics

0.1

= −40°C

VCE

= −2V

Pulsed

=125°C

=25°C

0.01

0.1

EMITTER CURRENT : IE (A)

Fig.5 Gain bandwidth product

vs. emitter current

1000

100

=25°C

VCE

= −2V

=100MHz

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