2SA1084, 2SA1085
Electrical Characteristics
(Ta = 25°C)
Item
Collector to base
breakdown voltage
Collector to emitter
breakdown voltage
Emitter to base
breakdown voltage
Collector cutoff current
Emitter cutoff current
DC current transfer ratio
Collector to emitter
saturation voltage
Base to emitter voltage
Gain bandwidth product
Collector output
capacitance
Noise voltage referred to
input
Symbol
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
I
EBO
h
FE
*
1
V
CE(sat)
V
BE
f
T
Cob
e
n
2SA1084
Min
Typ
Max
–90
—
—
–90
–5
—
—
250
—
—
—
—
—
—
—
—
—
—
—
–0.6
90
3.5
0.5
—
—
–0.1
–0.1
800
–0.2
—
—
—
—
2SA1085
Min
Typ
Max
–120
—
—
–120
–5
—
—
250
—
—
—
—
—
—
—
—
—
—
—
–0.6
90
3.5
0.5
—
—
–0.1
–0.1
800
–0.2
—
—
—
—
Unit
V
V
V
µA
µA
Test conditions
I
C
= –10
µA,
I
E
= 0
I
C
= –1 mA,
R
BE
=
∞
I
E
= –10
µA,
I
C
= 0
V
CB
= –50 V, I
E
= 0
V
EB
= –2 V, I
C
= 0
V
CE
= –12 V,
I
C
= –2 mA
V
V
MHz
pF
nV/
√Hz
I
C
= –10 mA,
I
B
= –1 mA
V
CE
= –12 V,
I
C
= –2 mA
V
CE
= –12 V,
I
C
= –2 mA
V
CB
= –10 V, I
E
= 0,
f = 1 MHz
V
CE
= –6V,
I
C
= –10 mA,
f = 1 kHz,
R
g
= 0,
∆f
= 1Hz
1. The 2SA1084 and 2SA1085 are grouped by h
FE
as follows.
D
E
250 to 500
400 to 800
Note:
Rev.3.00 Aug 10, 2005 page 2 of 5
RENESAS [ RENESAS TECHNOLOGY CORP ]
