Panasonic 2SD1895 Datasheet

Po wer Transistors

2SD1895

Silicon NPN triple diffusion planar type Darlington

For power amplification
Complementary to 2SB1255

Features

■

●

Optimum for 90W HiFi output

●

High foward current transfer ratio hFE: 5000 to 30000

●

Low collector to emitter saturation voltage V

●

Full-pack package which can be installed to the heat sink with
one screw

Absolute Maximum Ratings (T

■

Parameter

Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power
dissipation

TC=25°C
Ta=25°C

Junction temperature
Storage temperature

Symbol

V
V
V
I

CP

I

C

P

C

T

j

T

stg

CBO

CEO

EBO

=25˚C)

C

Ratings

160
140

15

100

150

–55 to +150

5

8

3

CE(sat)

: <2.5V

Unit

V
V
V
A
A

W

˚C
˚C

15.0±0.3

11.0±0.2

21.0±0.516.2±0.5

3.5 0.715.0±0.2

12.5
Solder Dip

10.9±0.5

321

TOP–3 Full Pack Package(a)

Internal Connection

B

φ3.2±0.1

2.0±0.2

1.1±0.1

5.45±0.3

Unit: mm

5.0±0.2

3.2

2.0±0.1

0.6±0.2

1:Base
2:Collector
3:Emitter

C

E

Electrical Characteristics (T

■

Parameter

Collector cutoff current

Emitter cutoff current
Collector to emitter voltage

Forward current transfer ratio

Collector to emitter saturation voltage
Base to emitter saturation voltage
Transition frequency
Turn-on time
Storage time
Fall time

*

h

Rank classification

FE2

Rank Q P

h

5000 to 15000 8000 to 30000

FE2

C

Symbol

I

CBO

I

CEO

I

EBO

V

CEO

h

FE1

*

h

FE2

V

CE(sat)

V

BE(sat)

f

T

t

on

t

stg

t

f

=25˚C)

Conditions

VCB = 160V, IE = 0
VCE = 140V, IB = 0
VEB = 5V, IC = 0
IC = 30mA, IB = 0
VCE = 5V, IC = 1A
VCE = 5V, IC = 7A
IC = 7A, IB = 7mA
IC = 7A, IB = 7mA
VCE = 10V, IC = 0.5A, f = 1MHz

IC = 7A, IB1 = 7mA, IB2 = –7mA,
VCC = 50V

min

140
2000
5000

typ

20

2.0

6.0

1.2

max

100
100
100

30000

2.5

3.0

Unit

µA
µA
µA

V

V
V

MHz

µs
µs
µs

1

Po wer Transistors 2SD1895

PC—Ta IC—V

120

)
W

(

100

C

80

60

40

20

Collector power dissipation P

0

0 16040 12080 14020 10060

Ambient temperature Ta (˚C

)

100

V

(

30

CE(sat)

10

3

1

0.3

0.1

Collector to emitter saturation voltage V

0.1 1 10 1000.3 3 30

(1) TC=Ta
(2) With a 100 × 100 × 2mm

Al heat sink

(3) Without heat sink

=3W)

(P

(1)

C

(2)
(3)

V

CE(sat)—IC

IC/IB=1000

TC=100˚C

25˚C

–25˚C

Collector current IC (A

)

)

CE

12

10

)
A

(

8

C

6

4

Collector current I

2

0

012108264

IB=2mA

1mA

0.9mA

0.8mA

0.7mA

0.6mA

0.5mA

0.4mA

TC=25˚C

0.3mA

0.2mA

Collector to emitter voltage VCE (V

hFE—I

C

5

10

FE

4

10

TC=100˚C

3

10

25˚C

2

10

–25˚C

Forward current transfer ratio h

10

0.01 0.1 1 100.03 0.3 3

Collector current IC (A

VCE=5V

)

V

BE(sat)—IC

100

)
V

(

30

BE(sat)

10

3

1

0.3

Base to emitter saturation voltage V

0.1

)

TC=–25˚C

100˚C

25˚C

0.1 1 10 1000.3 3 30

Collector current IC (A

Cob—V

1000

)
pF

(

300

ob

100

30

10

3

Collector output capacitance C

1

1 3 10 30 100

Collector to base voltage VCB (V

CB

IC/IB=1000

)

IE=0
f=1MHz

)

100

30

)
µs

(

10

t

f

stg

,t

stg

3

,t

t

on

on

1

t

f

0.3

0.1

Switching time t

0.03

0.01
0164128

Collector current IC (A

2

ton, t

, tf — I

stg

Pulsed tw=1ms
Duty cycle=1%

=1000 (IB1=–IB2)

I

C/IB

=50V

V

CC

T

=25˚C

C

C

)

Area of safe operation (ASO)

100

30

I

CP

)

10

A

(

I

C

C

3

1

0.3

0.1

Collector current I

0.03

0.01
1 10 100 10003 30 300

Collector to emitter voltage VCE (V

10ms

Non repetitive pulse

=25˚C

T

C

t=1ms

DC

)