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Transistors

1

Publication date: August 2004

SJC00313AED

2SD1938(F)

Silicon NPN epitaxial planar type

For low-voltage output amplification

For muting

For DC-DC converter

Features

Low ON resistance R

on

High forward current transfer ratio h

FE

Mini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing

Absolute Maximum Ratings  

T

a

 

=

 25

°

C

Parameter

Symbol

Rating

Unit

Collector-base voltage (Emitter open)

V

CBO

50

V

Collector-emitter voltage (Base open)

V

CEO

20

V

Emitter-base voltage (Collector open)

V

EBO

25

V

Collector current

I

C

300

mA

Peak collector current

I

CP

500

mA

Collector power dissipation

P

C

200

mW

Junction temperature

T

j

150

°

C

Storage temperature

T

stg

55 to

 +

150

°

C

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Collector-emitter voltage (Base open)

V

CEO

I

C

 

=

 1 mA, I

B

 

=

 

0

20

V

Base-emitter voltage

V

BE

V

CE

 

=

 2 V, I

C

 

=

 4 mA

0.6

V

Collector-base cutoff current (Emitter open)

I

CBO

V

CB

 

=

 50 V, I

E

 

=

 0

0.1

µ

A

Emitter-base cutoff current (Collector open)

I

EBO

V

EB

 

=

 25 V, I

C

 

=

 0

0.1

µ

A

Forward current transfer ratio 

*1

h

FE

V

CE

 = 2 V, I

C

 = 4 mA

500

2 500

Collector-emitter saturation voltage

V

CE(sat)

I

C

 

=

 30 mA, I

B

 

=

 3 mA

0.1

V

Transition frequency

f

T

V

CB

 

=

 6 V, I

E

 

=

 

4 mA, f 

=

 200 MHz

80

MHz

Collector output capacitance

C

ob

V

CB

 

=

 10 V, I

E

 

=

 0, f 

=

 1 MHz

7

pF

(Common base, input open circuited)

ON resistance 

*2

R

on

1.0

Electrical Characteristics  

T

a

 

=

 25

°

±

 3

°

C

Unit: mm

Note) 1. Measuring methods are based on JAPANESE INDUSTRIAL STANDARD JIS C 7030 measuring methods for transistors.

2. *1: Rank classification

*2: R

on

 Measuremet circuit

Rank

S

T

No rank

h

FE

500 to 1 500

800 to 2 500

500 to 2 500

V

V

1 k

R

on

 

=

        

V

B

         

× 

1 000 (

)

 

    V

A

 

− 

V

B

1 kHz

0.3 V

V

B

I

B

 

=

 1 mA

V

A

1: Base
2: Emitter
3: Collector

EIAJ: SC-59

JEDEC: SOT-346

Mini3-G1 Package

Marking symbol: 3W

0.40

+0.10

–0.05

(0.65)

1.50

+0.25 –0.05

2.8

+0.2 –0.3

2

1

3

(0.95) (0.95)

1.9

±

0.1

2.90

+0.20

–0.05

0.16

+0.10

–0.06

0.4

±

0.2

10˚

0 to 0.1

1.1

+0.2 –0.1

1.1

+0.3 –0.1

Product of no-rank classification is not marked.

This product complies with the RoHS Directive (EU 2002/95/EC).

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