ROHM 2SA821S

2SA821S
Transistors
High-voltage Amplifier Transistor (−210V, −30mA)
2SA821S
zExternal dimensions (Unit : mm)
zFeatures
1) High breakdown voltage, (VCER = −210V )
2) Complements the 2SC1651S.
SPT
2.0
(15Min.)
3Min.
3.0
4.0
0.45
2.5
0.5
0.45
5.0
(1) (2) (3)
(1)Emitter
(2)Collector
Taping specifications
(3)Base
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
Symbol
Limits
Unit
VCBO
VCES
−210
−210
VEBO
IC
−5
−30
V
V
V
A
PC
Tj
250
150
Tstg
−55 to +150
∗
W
°C
°C
∗ RBE=10kΩ
zElectrical characteristics (Ta=25°C)
Symbol
Min.
Typ.
Max.
Unit
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Parameter
BVCBO
BVCEO
BVEBO
−210
−210
−5
−
−
−
−
−
−
V
V
V
IC= −50µA
IC= −100µA, RBE=10kΩ
IE= −50µA
Conditions
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
ICBO
IEBO
VCE(sat)
−
−
−
−
−
−
−
−1
−1
µA
µA
V
VCB= −150V
VEB= −4.5V
IC/IB= −2mA/−0.2mA
DC current transfer ratio
hFE
82
−
−1
−
Transition frequency
fT
−
50
270
MHz
Output capacitance
Cob
−
8
−
pF
VCE= −3V, IC= −5A
VCE= −5V , IE=2mA , f=30MHz
VCE= −10V , IE=0A , f=1MHz
zPackaging specifications and hFE
Type
2SA821S
Package
hFE
SPT
PQ
Code
Basic ordering unit (pieces)
TP
5000
Rev.A
1/2
2SD1834
Transistors
Ta=25°C
VCE=−5V
−10
COLLECTOR CURRENT : IC (mA)
−5
−2
−1
−0.5
−20
Ta=25°C
−120µA
−100µA
−80µA
−60µA
−10
−40µA
−20µA
Ta=25°C
−20
0µA
−20 0µA
−18 160µA
−
µA
−140
µA
−120
−100µA
−16
−80µA
−12
−60µA
−8
−40µA
−4
−20µA
−0.2
−0.1
−0.1
−0.2
−0.4
−0.6
−0.8
−1.0
−1.2
0
0
−1.4
Ta=25°C
VCE= −3V
DC CURRENT GAIN : hFE
200
100
50
20
10
5
2
1
−0.1 −0.2
−0.5
−1
−2
−5
−10 −20
−50 −100
COLLECTOR CURRENT : IC (mA)
EMITTER INPUT CAPACITANCE : Cib (pF)
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
−16
0
0
−20
−0.4
−0.8
−1.2
−1.6
−2.0
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
1000
Ta=25°C
IC/IB=10
−1000
−500
−200
−100
−50
−0.1 −0.2
−0.5 −1
−2
−5
−10 −20
−50 −100
COLLECTOR CURRENT : IC (mA)
Fig.4 DC current gain vs. collector current
100
−12
Fig.2 Ground emitter output characteristics ( Ι ) Fig.3 Ground emitter output characteristics ( ΙΙ )
COLLECTOR SATURATION VOLTAGE : VCE(sat) (mV)
Fig.1 Ground emitter propagation characteristics
500
−8
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
BASE TO EMITTER VOLTAGE : VBE (V)
1000
−4
Fig.5 Collector-emitter saturation voltage
vs. collector current
TRANSITION FREQUENCY : fT (MHz)
COLLECTOR CURRENT : Ic (mA)
−20
COLLECTOR CURRENT : IC (mA)
zElectrical characteristics curves
Ta=25°C
VCE= −5V
500
200
100
50
20
10
5
2
1
0.1 0.2
0.5
1
2
5
10
20
50
100
EMITTER CURRENT : IE (mA)
Fig.6 Gain bandwidth product
vs. emitter current
Ta=25°C
f=1MHz
IE=0A
IC=0A
50
Cib
20
10
5
Cob
2
1
−0.2
−0.5
−1
−2
−5
−10
−20
−50
EMITTER TO BASE VOLTAGE : VEB (V)
COLLECTOR TO BASE VOLTAGE : VCB (V)
Fig.7 Emitter input capacitance
vs. emitter-base voltage
Collector output capacitance
vs. collector-base voltage
Rev.A
2/2
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