2SC4259
Absolute Maximum Ratings
(Ta = 25°C)
Item
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Collector current
Collector power dissipation
Junction temperature
Storage temperature
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
C
Tj
Tstg
Ratings
30
25
3
20
100
150
–55 to +150
Unit
V
V
V
mA
mW
°C
°C
Electrical Characteristics
(Ta = 25°C)
Item
Collector to base breakdown
voltage
Collector cutoff current
Symbol
V
(BR)CBO
I
CBO
I
CEO
Emitter cutoff current
Collector to emitter saturation
voltage
DC current transfer ratio
Collector output capacitance
Gain bandwidth product
Power gain
Noise figure
AGC voltage
I
EBO
V
CE(sat)
h
FE
Cob
f
T
PG
NF
V
AGC
Min
30
—
—
—
—
50
—
0.7
10
—
1.8
Typ
—
—
—
—
—
—
0.6
1.0
15
3.0
—
Max
—
0.3
10
1.0
5.0
180
0.9
—
—
4.5
2.7
pF
GHz
dB
dB
V
Unit
V
µA
µA
µA
V
Test conditions
I
C
= 10 µA, I
E
= 0
V
CB
= 15 V, I
E
= 0
V
CE
= 25 V, R
BE
=
∞
V
EB
= 3 V, I
C
= 0
I
C
= 10 mA, I
B
= 1 mA
V
CE
= 5 V, I
C
= 2 mA
V
CB
= 10 V, I
E
= 0, f = 1MHz
V
CE
= 5 V, I
C
= 2 mA
V
CC
= 4 V, I
C
= 2 mA,
f = 900 MHz
V
CC
= 4 V, I
C
= 2 mA,
f = 900 MHz
V
CC
= 4 V, I
C
= 2 mA,
f = 900 MHz, P
in
= –50 dBm,
GR = 30 dB
Note: Marking is “UI–”.
See characteristic curves of 2SC4229.
2
2SC4259
When using this document, keep the following in mind:
1. This document may, wholly or partially, be subject to change without notice.
2. All rights are reserved: No one is permitted to reproduce or duplicate, in any form, the whole or
part of this document without Hitachi’s permission.
3. Hitachi will not be held responsible for any damage to the user that may result from accidents or
any other reasons during operation of the user’s unit according to this document.
4. Circuitry and other examples described herein are meant merely to indicate the characteristics and
performance of Hitachi’s semiconductor products. Hitachi assumes no responsibility for any
intellectual property claims or other problems that may result from applications based on the
examples described herein.
5. No license is granted by implication or otherwise under any patents or other rights of any third party
or Hitachi, Ltd.
6. MEDICAL APPLICATIONS: Hitachi’s products are not authorized for use in MEDICAL
APPLICATIONS without the written consent of the appropriate officer of Hitachi’s sales company.
Such use includes, but is not limited to, use in life support systems. Buyers of Hitachi’s products
are requested to notify the relevant Hitachi sales offices when planning to use the products in
MEDICAL APPLICATIONS.
4
Analog electronics
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