HIT 2SC5078 Datasheet
2SC5078
Silicon NPN Epitaxial
Application
VHF / UHF wide band amplifier
Features
• High gain bandwidth product
fT = 12 GHz Typ
• High gain, low noise figure
PG = 17 dB Typ, NF = 1.6 dB Typ at f = 900 MHz
ADE-208-221
1st. Edition
Outline
MPAK-4
2
3
1
4
1. Collector
2. Emitter
3. Base
4. Emitter
2SC5078
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol Ratings Unit
Collector to base voltage V
Collector to emitter voltage V
Emitter to base voltage V
Collector current I
Collector power dissipation P
CBO
CEO
EBO
C
C
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 cutoff current I
Emitter cutoff current I
DC current transfer ratio h
CBO
I
CEO
EBO
FE
Collector output capacitance Cob — 0.3 0.8 pF VCB = 5 V, IE = 0, f = 1 MHz
Gain bandwidth product f
T
Power gain PG 14 17 20 dB VCE = 5 V, IC = 10 mA,
Noise figure NF — 1.6 2.5 dB VCE = 5 V, IC = 5 mA,
Note: Marking is “ZC–”.
——10µAVCB = 15 V, IE = 0
——1 mAV
——10µAVEB = 1.5 V, IC = 0
50 120 160 VCE = 5 V, IC = 10 mA
9 12 — GHz VCE = 5 V, IC = 5 mA
15 V
8V
1.5 V
20 mA
150 mW
= 8 V, RBE = ∞
CE
f = 900 MHz
f = 900 MHz
Attention: This device is very sensitive to electro static discharge.
It is recommended to adopt appropriate cautions when handling this transistor.
2
2SC5078
Maximum Collector Dissipation Curve
150
(mW)
C
100
50
Collector Power Dissipation P
0
Ambient Temperature Ta (°C)
Gain Bandwidth Product vs.
20
16
T
Collector Current
V = 5V
CE
12
DC Current Transfer Ratio vs.
Collector Current
250
V = 5V
FE
200
CE
150
100
50
DC Current Transfer Ratio h
0
15010050
0.1
1 10 100
Collector Current I (mA)
C
Collector Output Capacitance vs.
Collector to Base Voltage
5
I = 0
E
f = 1 MHz
2
1
8
V = 1V
CE
4
Gain Bandwidth Product f (GHz)
0
12 51020
Collector Current I (mA)
C
50
0.5
0.2
Collector Output Capacitance Cob (pF)
0.1
0.1 0.2 0.5 1 2 5 10 20
Collector to Base Voltage V (V)
CB
3
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