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Silicon NPN Epitaxial
Application
• UHF frequency converter
• Local oscillator, wide band amplifier
Outline
2SC2734
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2SC2734
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Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Ratings Unit
Collector to base voltage V
CBO
20 V
Collector to emitter voltage V
CEO
11 V
Emitter to base voltage V
EBO
3 V
Collector current I
C
50 mA
Collector power dissipation P
C
150 mW
Junction temperature Tj 150 °C
Storage temperature Tstg –55 to +150 °C
Electrical Characteristics (Ta = 25°C)
Item
Symbol Min Typ Max Unit Test conditions
Collector to base breakdown
voltage
Collector to emitter breakdown
voltage
Emitter to base breakdown
voltage
Collector cutoff current I
Collector to emitter saturation
voltage
DC current transfer ratio h
Gain bandwidth product f
Collector output capacitance Cob — 0.9 1.5 pF VCB = 10 V, IE = 0, f = 1 MHz
Conversion gain CG — 15 — dB VCC = 6 V, IC = 2 mA,
Noise figure NF — 9 — dB VCC = 6 V, IC = 2 mA,
Oscillating output voltage V
Note: Marking is “GC”.
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
CBO
V
CE(sat)
FE
T
OSC
20 — — V IC = 10 µA, IE = 0
11 — — V IC = 1 mA, RBE = ∞
3 — — V IE = 10 µA, IC = 0
— — 0.5 µA V
= 10 V, IE = 0
CB
— — 0.7 V IC = 10 mA, IB = 5 mA
20 90 200 V
= 10 V, IC = 5 mA
CE
1.4 3.5 — GHz VCE = 10 V, IC = 10 mA
f = 900 MHz,
f
= 930 MHz (0dBm),
OSC
f
= 30 MHz
out
f = 900 MHz,
f
= 930 MHz (0dBm),
OSC
f
= 30 MHz
out
— 140 — mV VCC = 6 V, IC = 5 mA,
f = 930 MHz
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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.
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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
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