2SB1079
Silicon PNP Triple Diffused
Application
Low frequency power amplifier complementary pair with 2SD1559
Outline
TO-3P
1 k
(Typ)
400
(Typ)
1
2
3
1. Base
2. Collector
(Flange)
3. Emitter
1
2
3
2SB1079
2
Absolute Maximum Ratings (Ta = 25C)
Item
Symbol
Ratings
Unit
Collector to base voltage
V
CBO
100
V
Collector to emitter voltage
V
CEO
100
V
Emitter to base voltage
V
EBO
7
V
Collector current
I
C
20
A
Collector peak current
I
C(peak)
30
A
Base current
I
B
3
A
Collector power dissipation
P
C
*
1
100
W
Junction temperature
Tj
150
C
Storage temperature
Tstg
55 to +150
C
Note:
1. Value at T
C
= 25
C.
Electrical Characteristics (Ta = 25C)
Item
Symbol
Min
Typ
Max
Unit
Test conditions
Collector to base breakdown
voltage
V
(BR)CBO
100
--
--
V
I
C
= 0.1 mA, I
E
= 0
Collector to emitter breakdown
voltage
V
(BRCEO
100
--
--
V
I
C
= 25 mA, R
BE
=
Collector to emitter sustain
voltage
V
CEO(sus)
100
--
--
V
I
C
= 200 mA, R
BE
=
*
1
Emitter to base breakdown
voltage
V
(BR)EBO
7
--
--
V
I
E
= 50 mA, I
C
= 0
Collector cutoff current
I
CBO
--
--
100
A
V
CB
= 100 V, I
E
= 0
I
CEO
--
--
1.0
mA
V
CE
= 80 V, R
BE
=
DC current transfer ratio
h
FE
1000
--
20000
V
CE
= 3 V, I
C
= 10 A*
1
Collector to emitter saturation
voltage
V
CE(sat)1
--
--
2.0
V
I
C
= 10 A, I
B
= 20 mA*
1
Base to emitter saturation
voltage
V
BE(sat)1
--
--
2.5
V
Collector to emitter saturation
voltage
V
CE(sat)2
--
--
3.0
V
I
C
= 20 A, I
B
= 200 mA*
1
Base to emitter saturation
voltage
V
BE(sat)2
--
--
3.5
V
Turn on time
t
on
--
0.6
--
s
I
C
= 10 A, I
B1
= I
B2
= 20 mA
Storage time
t
stg
--
3.5
--
s
Note:
1. Pulse Test.
2SB1079
3
Maximum Collector Dissipation
Curve
120
80
40
0
50
100
150
Case temperature T
C
(
C)
Collector power dissipation P
C
(W)
Area of Safe Operation
100
30
10
3
1.0
Collector current I
C
(A)
0.3
0.1
3
10
100
30
300
Collector to emitter voltage V
CE
(V)
Ta = 25
C
1 Shot Pulse
i
C(peak)
1
s
I
C(max)
DC T
C
= 25
C
PW = 10 ms
1 ms
100
s
Typical Output Characteristics
T
C
= 25
C
I
B
= 0.5 mA
1
1.5
2
2.5
4
20
16
12
8
4
0
1
Collector current I
C
(A)
2
Collector to emitter voltage V
CE
(V)
3
5
4
3.5
3
DC Current Transfer Ratio vs.
Collector Current
30000
10000
3000
300
100
1000
30
0.3
1.0
3
10
30
DC current transfer ratio h
FE
Collector current I
C
(A)
V
CE
= 3 V
Pulse
Ta = 75
C
25
C
25
C
2SB1079
4
Saturation Voltage vs.
Collector Current
Ta = 25
C
Pulse
10
3
1.0
0.3
0.1
Collector to emitter saturation voltage V
CE(sat)
(V)
Base to emitter saturation voltage V
BE(sat)
(V)
0.03
0.01
0.3
Collector current I
C
(A)
1.0
3
10
30
V
BE(sat)
V
CE(sat)
I
C
/
I
B
= 200
500
500
200
Switching Time vs. Collector Current
Switching time t (
s)
10
3
1.0
0.3
0.1
0.03
0.01
0.3
1.0
3
Collector current I
C
(A)
10
30
t
f
t
on
t
stg
V
CC
= 30V
I
C
= 500/
B1
= 500/
B2
Ta = 25
C
Transient Thermal Resistance
10
3
1.0
0.3
0.1
0.03
0.01
0.1
1.0
10
100 (s)
(ms)
0.1
1.0
10
100
Time t
Thermal resistance
j-c
(
C/W)
T
C
= 25
C
1 Shot
0.1100 s
0.1100 ms
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