2SA1577
Transistors
Rev.A 1/3
Medium Power Transistor (-32V,-05A)
2SA1577
zFeatures
1) Large IC.
ICMAX. = -500mA
2) Low VCE(sat). Ideal for low -voltage
operation.
3) Complements the 2SC4097.
zStructure
Epitaxial planer type
PNP silicon transistor
zExternal dimensions (Unit : mm)
2SA1577
(1) Emitter
(2) Base
(3) Collector
ROHM : UMT3
EIAJ : SC-70
0
∼
0.1
(2)(1)
(3)
0.1
2.1
±
0.1
1.25
±
0.1
0.9
±
0.1
0.2 0.7
±
0.1
0.15
±
0.05
0.3
2.0
±
0.2
1.3
±
0.1
0.65 0.65
+0.1
−0
Abbreviated symbol: H
∗
∗ Denotes h
FE
All terminals have
same dimensions
zAbsolute maximum ratings (Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power dissipation
Junction temperature
Storage temperature
V
CBO
V
CEO
V
EBO
I
C
P
C
Tj
Tstg
−40 V
V
V
A
W
−32
−5
−0.5
0.2
150
−55 to +150
Symbol Limits Unit
PC MAX. must not be exceeded.
∗
∗
°C
°C
2SA1577
Transistors
Rev.A 2/3
zElectrical characteristics (Ta=25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector outoff current
Rmitter cutoff current
DC current transfer ratio
Collector-emitter saturation voltage
Transition frequency
Output capacitance
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
h
FE
V
CE(sat)
f
T
Cob
Min.
−40
−32
−5
−
−
82
−
−
−
−
−
−
−
−
−
200
−
−
−
−1
−1
390
−0.6
−
VI
C
= −100µA
I
C
= −1mA
I
E
= −100µA
V
CB
= −20V
V
EB
= −4V
V
CE
= −3V, I
C
= −100mA
I
C
/I
B
= −300mA/−30mA
V
CE
= −5V, I
E
=20mA, f=100MHz
V
CB
= −10V, I
E
=0A, f=1MHz
V
V
−
V
MHz
−7−pF
Typ. Max. Unit Conditions
µA
µA
zPackaging specifications
Package
Code
Taping
Basic ordering unit (pieces)
hFE
T106
3000
PQR2SA1577
Type
hFE values are classifies as follows.
Item P Q R
h
FE
82 to 180 120 to 270 180 to 390
zElectrical characteristic curves
Fig.1 Grounded emitter propagation
-0.20
-500
-200
-100
-50
-20
-10
-5
-2
-1
-0.5
-0.2
-0.1 -0.4-0.6-0.8-1.0-1.2-1.4-1.6-1.8-2.0-2.2
V
CE
=−
3V
COLLECTOR CURRENT : I
C
(
mA)
BASE TO EMITTER VOLTAGE : V
BE
(
V)
Ta
=
100
°C
25
°C
−
55
°C
-1
-40
-80
-3
0
-20
-60
-100
0-2-4-5
-200
-400
-10-5
0
-100
-300
-500
0
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR TO EMITTER VOLTAGE : V
CE
(V)
Ta=25 C
Fig.3 Ground emitter output
characteristics (
ΙΙ
)
I
B
=
0A
-
0.5mA
-
1.0mA
-
1.5mA
-
2.0mA
-
2.5mA
-
3.0mA
-
3.5mA
-
4.0mA
-
4.5mA
-
5.0mA
Ta=25 C
COLLECTOR CURRENT : I
C
(
mA)
COLLECTOR TO EMITTER VOLTAGE : V
CE
(
V)
Fig.2 Grounded emitter output
characteristics (
Ι
)
I
B
=
0
A
-
0.1mA
-
0.2mA
-
0.3mA
-
0.4mA
-
0.5mA
-
0.6mA
-
0.7mA
-
0.8mA
-
0.9mA
-
1mA
2SA1577
Transistors
Rev.A 3/3
500
1000
200
100
50
20
DC CURRENT GAIN : h
FE
-1 -2 -5 -10 -20 -50 -100 -200 -500-1000
V
CE
=
-
5V
-
3V
-
1V
COLLECTOR CURRENT : I
C
(
mA)
Fig.4 DC current gain vs.
collector current (
Ι
)
Ta=25 C
500
1000
200
100
50
20
-1 -2 -5 -10 -20 -50 -100 -200 -500 -1000
DC CURRENT GAIN : h
FE
COLLECTOR CURRENT : I
C
(
mA)
Fig.5 DC current gain vs.
collector current (
ΙΙ
)
VCE=
-
3V
Ta
=
100 C
25 C
-
55 C
-0.1
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(
V)
-1 -2 -5 -10 -20 -50 -100 -200 -500
-1
-0.5
-0.2
-0.05
-0.02
COLLECTOR CURRENT : I
C (
mA)
I
C
/I
B
=
50
20
10
Fig.6 Collector emitter saturation
voltage vs. collector current (
Ι
)
Ta
=
25 C
-0.05
-0.03
-0.02
-0.01-1 -2 -5 -10 -20 -50 -100 -200 -500 -1000
-0.5
-0.3
-0.2
-0.1
-1.0
lC/lB
=
10
COLLECTOR SATURATION
VOLTAGE : VCE(sat)
(V)
COLLECTOR CURRENT : IC
(
mA)
Fig.7 Collector-emitter saturation
voltage vs. collector current (
ΙΙ
)
Ta
=
100 C
25 C
-
55 C
500.5 20
50
100
200
500
1000
12 510
TRANSITION FREQUENCY : f
T
(
MHz)
EMITTER CURRENT : I
E
(
mA)
Fig.8 Gain bandwidth product vs.
emitter current
Ta
=
25 C
V
CE
=
-
5V
COLLECTOR OUTPUT CAPACITANCE : Cob
(
pF)
EMITTER INPUT CAPACITANCE : Cib
(
pF)
COLLECTOR TO BASE VOLTAGE : V
CB
(
V)
EMITTER TO BASE VOLTAGE : V
EB
(
V)
Fig.9 Collectur output capacitance vs.
collector-base voltage. Emitter input
capacitance vs. emitter -base voltage
-50-0.5 -20
2
5
10
50
100
-1 -2 -5 -10
20
Ta
=
25 C
f
=
1MHz
I
E
=
0A
I
C
=
0A
Appendix
Appendix1-Rev1.1
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
