HIT 2SC1342 Datasheet
Application
• VHF amplifier, mixer
• Local oscollator
Outline
TO-92 (2)
2SC1342
Silicon NPN Epitaxial Planar
1. Emitter
2. Collector
3. Base
3
2
1
2SC1342
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
CBO
DC current transfer ratio hFE*
Collector to emitter saturation
V
CE(sat)
voltage
Collector output capacitance Cob — 1.1 1.5 pF VCB = 10 V, IE = 0, f = 1 MHz
Base time constant r
Gain bandwidth product f
•C
bb’
T
Noise figure NF — 5.5 8.5 dB VCE = 6 V, IC = 1 mA,
Reverse transfer capacitance Cre — 0.9 1.2 pF VCE = 10 V, IE = –1 mA,
Power gain PG 13 17 — dB VCE = 6 V, IC = 1 mA,
Note: 1. The 2SC1342 is grouped by hFE as follows.
ABC
35 to 70 60 to 120 100 to 200
30 — — V IC = 10 µA, IE = 0
20 — — V IC = 1 mA, RBE = ∞
4——VI
— — 0.5 µAV
1
35 — 200 V
— 0.8 1.2 V IC = 10 mA, IB = 1 mA
—2035psVCB = 6 V, IC = 1 mA,
C
150 320 — MHz VCE = 6 V, IC = 1 mA
30 V
20 V
4V
30 mA
100 mW
= 10 µA, IC = 0
E
= 10 V, IE = 0
CB
= 6 V, IC = 1 mA
CE
f = 31.8 MHz
f = 100 MHz, R
= 50 Ω
g
f = 1 MHz
f = 100 MHz, R
R
= 550 Ω, Unneutralized
L
= 100 Ω,
g
2
2SC1342
Maximum Collector Dissipation Curve
150
(mW)
C
100
50
Collector Power Dissipation P
0
Ambient Temperature Ta (°C)
Typical Output Characteristics (2)
5
4
(mA)
C
3
50
40
30
20
2
Typical Output Characteristics (1)
20
200
240
180
160
140
120
100
(mA)
C
16
12
80
8
60
PC = 100 mW
40
Collector Current I
4
20 µA
IB = 0
15010050
0
41220816
Collector to Emitter Voltage V
CE
(V)
Typical Transfer Characteristics (1)
20
16
(mA)
C
VCE = 6 V
12
8
1
Collector Current I
0
41220816
Collector to Emitter Voltage V
10 µA
IB = 0
CE
(V)
4
Collector Current I
0
0.60 0.64 0.68 0.72 0.76 0.80
Base to Emitter Voltage V
BE
(V)
3
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