HIT 2SC2471 Datasheet
Application
• UHF Amplifier
• UHF TV Tuner, Local oscillator
Outline
TO-92 (2)
2SC2471
Silicon NPN Epitaxial
1. Base
2. Emitter
3. Collector
3
2
1
2SC2471
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 to base breakdown
V
(BR)CBO
voltage
Collector to emitter breakdown
V
(BR)CEO
voltage
Emitter to base breakdown
V
(BR)EBO
voltage
Collector cutoff current I
Emitter cutoff current I
Collector to emitter saturation
V
CBO
EBO
CE(sat)
voltage
Base to emitter voltage V
DC current transfer ratio h
Gain bandwidth product f
BE
FE
T
Collector output capacitance Cob — 0.9 1.5 pF VCB = 10 V, IE = 0, f = 1 MHz
Base time constant r
• CC—1220psVCB = 10 V, IC = 5 mA,
bb’
30 — — V IC = 10 µA, IE = 0
30 — — V IC = 1 mA, RBE = ∞
3——VI
— — 100 nA V
— — 100 nA V
— — 300 mV IC = 10 mA, IB = 5 mA
— — 0.95 V V
20 — — V
1000 2000 — MHz VCE = 10 V, IC = 5 mA
30 V
30 V
3V
50 mA
310 mW
= 10 µA, IC = 0
E
= 24 V, IE = 0
CB
= 2 V, IC = 0
EB
= 10 V, IC = 5 mA
CE
= 10 V, IC = 5 mA
CE
f = 31.8 MHz
2
Maximum Collector Dissipation Curve
400
(mW)
C
300
FE
2SC2471
DC Current Transfer Ratio vs.
Collector Current
100
VCE = 10 V
80
60
200
100
Collector Power Dissipation P
0
Ambient Temperature Ta (°C)
Gain Bandwidth Product vs.
Collector Current
2,500
2,000
(MHz)
T
1,500
1,000
500
Gain Bandwidth Product f
0
Collector Current I
VCE = 10 V
20 5010251
(mA)
C
40
20
DC Current Transfer Ratio h
15010050
0
21 5 10 5020
Collector Current I
(mA)
C
Collector Output Capacitance vs.
Collector to Base Voltage
5
(pF)
ob
f = 1 MHz
= 0
I
E
2
1.0
0.5
0.2
Collector Output Capacitance C
0.1
5012 51020
Collector to Base Voltage V
CB
(V)
3
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