SST4401 / MMST4401

Transistors

Rev.B

1/3

NPN Medium Power Transistor

(Switching)

SST4401 / MMST4401

Features

2) Complements the SST4403 / MMST4403.

Package, marking, and packaging specifications

Part No.

Packaging type

Marking

Code

Basic ordering unit (pieces)

SST4401

SST3

R2X

T116

3000

MMST4401

SMT3

R2X

T146

3000

Absolute maximum ratings (Ta=25

°C)

Parameter

Collector-base voltage

Collector-emitter voltage

Emitter-base voltage

Collector current

Junction temperature

Storage temperature

Symbol

Tj

Tstg

Limits

60

40

6

0.6

150

−55 to +150

Unit

V

V

V

A

Collector power dissipation

0.2

0.35

W

W

˚C

˚C

Dimensions (Unit : mm)

SST4401

MMST4401

ROHM : SST3

(1) Emitter

(2) Base

(3) Collector

ROHM : SMT3

EIAJ : SC-59

(1) Emitter

(2) Base

(3) Collector

Electrical characteristics (Ta=25

°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Collector-base breakdown voltage

Collector-emitter breakdown voltage

Emitter-base breakdown voltage

Collector cutoff current

Emitter cutoff current

60

40

6

−

−

−

−

−

−

−

−

−

−

0.1

0.1

V

V

V

µA

µA

µA

µA

−−

1.2

Base-emitter saturation voltage

−−

0.95

V

−−

0.75

=500mA/50mA

Collector-emitter saturation voltage

−−

0.4

V

40

−−

100

−

300

DC current transfer ratio

80

−−

−

40

−−

20

−−

Transition frequency

Collector output capacitance

Cob

250

−

−

−

−

6.5

MHz

pF

−20mA, f=100MHz

Emitter input capacitance

Cib

−−

30

pF

=0.5V, f=100kHz

Delay time

td

−−

15

ns

Rise time

tr

−−

20

ns

Storage time

tstg

−−

225

ns

Fall time

tf

−−

30

ns