ROHM 2SA1579

2SA1579 / 2SA1514K / 2SA1038S
Transistors
High-voltage Amplifier Transistor
(−120V, −50mA)
2SA1579 / 2SA1514K / 2SA1038S
zExternal dimensions (Unit : mm)
2.0
1.3
0.9
(1)
(2)
0.65 0.65
(3)
0.3
0.7
2SA1579
1.25
0~0.1
0.15
0.2
2.1
0.1Min.
Each lead has same dimensions
ROHM : UMT3
EIAJ : SC-70
JEDEC : SOT-323
(1) Emitter
(2) Base
(3) Collector
0.95 0.95
1.9
2.9
(2)
(3)
0.4
(1)
2SA1514K
1.6
0 to 0.1
0.3Min.
Each lead has same dimensions
ROHM : SMT3
EIAJ : SC-59
JEDEC : SOT-346
2SA1038S
1.1
0.8
0.15
2.8
(1) Emitter
(2) Base
(3) Collector
2
3Min.
3
4
(15Min.)
zFeatures
1) High breakdown voltage. (BVCEO = −120V)
2) Complements the 2SC4102 / 2SC3906K / 2SC2389S.
0.45
2.5
0.5 0.45
5
(1) (2) (3)
ROHM : SPT
EIAJ : SC-72
Taping specifications
(1) Emitter
(2) Collector
(3) Base
Rev.A
1/3
2SA1579 / 2SA1514K / 2SA1038S
Transistors
zAbsolute maximum ratings (Ta=25°C)
Parameter
Symbol
VCBO
VCEO
VEBO
IC
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power 2SA1579 / 2SA1514K
dissipation
2SA1038S
Limits
−120
−120
−5
−50
0.2
0.3
150
−55 to +150
PC
Tj
Tstg
Junction temperature
Storage temperature
Unit
V
V
V
mA
W
°C
°C
zPackaging specifications and hFE
Type
Package
hFE
Marking
Code
Basic ordering unit (pieces)
∗Denotes hFE
2SA1579
UMT3
RS
2SA1514K
SMT3
RS
R∗
T106
3000
R∗
T146
3000
2SA1038S
SPT
RS
−
TP
5000
zElectrical characteristics (Ta=25°C)
Symbol
Min.
Typ.
Max.
Unit
Collector-base breakdown voltage
Parameter
BVCBO
−120
−
−
V
Collector-emitter breakdown voltage
BVCEO
−120
−
−
V
IC= −1mA
Emitter-base breakdown voltage
BVEBO
−5
−
−
V
IE= −50µA
Collector cutoff current
ICBO
−
−
−0.5
µA
VCB= −100V
Emitter cutoff current
IEBO
−
−
−0.5
µA
VEB= −4V
VCE(sat)
−
−
−0.5
V
IC/IB= −10mA/−1mA
hFE
180
−
560
−
Transition frequency
fT
−
140
−
MHz
Output capacitance
Cob
−
3.2
−
pF
Collector-emitter saturation voltage
DC current transfer ratio
Conditions
IC= −50µA
VCE= −6V, IC= −2mA
VCE= −12V, IE=2mA, f=100MHz
VCB= −12V, IE=0A, f=1MHz
Rev.A
2/3
2SA1579 / 2SA1514K / 2SA1038S
Transistors
zElectrical characteristic curves
−50
Ta=25°C
−8
−20.0
−17.5
−6
−15.0
−12.5
−4
−10.0
−2
−5.0
−7.5
−2.5µA
IB=0
−4
−8
−12
−16
−20
−10
−5
−2
−1
−0.5
−0.1
−0.2 −0.4
0
20/1
10/1
−0.05
−0.2
−0.5
−1
−2
−5
−10
−20
−50
COLLECTOR CURRENT : IC (mA)
Fig.4 Collector-Emitter saturation voltage
vs. collector current
EMITTER INPUT CAPACITANCE : Cib (pF)
20
100
−0.6
−0.8
−1.0
−1.2 −1.4
−1.6
−0.2
500
200
100
50
1
2
5
10
20
−1
−2
−5
−10
−20
−50
Fig.3 DC current gain vs. collector current
Ta=25°C
VCE= −6V
0.5
−0.5
COLLECTOR CURRENT : IC (mA)
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
TRANSITION FREQUENCY : fT (MHZ)
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
IC/IB=50/1
200
BASE TO EMITTER VOLTAGE : VBE (V)
Ta=25°C
−0.1
−5V
VCE= −1V
50
Fig.1 Ground emitter output characteristics Fig.2 Ground emitter propagation
characteristics
−0.2
500
−0.2
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
−0.5
Ta=25°C
−20
DC CURRENT GAIN : hFE
COLLECTOR CURRENT : IC (mA)
−22.5
0
Ta=25°C
VCE= −6V
−25.0
V
−3
COLLECTOR CURRENT : IC (mA)
−10
50
20
Ta=25°C
f=1MHZ
IE=0A
10
Cob
5
2
1
−0.5
−1
−2
−5
−10
−20
EMITTER CURRENT : IE (mA)
COLLECTOR TO BASE VOLTAGE : VCB (V)
Fig.5 Transition frequency
vs. emitter current
Fig.6 Collector output capacitance
vs. collector-base voltage
Ta=25°C
f=1MHZ
IC=0A
Cib
10
5
2
1
−0.5
−1
−2
−5
−10
−20
EMITTER TO BASE VOLTAGE : VEB (V)
Fig.7 Emitter input capacitance
vs. emitter-base voltage
Rev.A
3/3
Appendix
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.
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.
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.
Appendix1-Rev1.1