HITACHI 2SC1344, 2SC1345 User Manual
查询2SC1344, 2SC1345供应商
Application
Low frequency low noise amplifier
Outline
2SC1344, 2SC1345
Silicon NPN Epitaxial
2SC1344, 2SC1345
2
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol 2SC1344 2SC1345 Unit
Collector to base voltage V
CBO
30 55 V
Collector to emitter voltage V
CEO
30 50 V
Emitter to base voltage V
EBO
5 5 V
Collector current I
C
100 100 mA
Collector power dissipation P
C
200 200 mW
Junction temperature Tj 150 150 °C
Storage temperature Tstg –55 to +150 –55 to +150 °C
Electrical Characteristics (Ta = 25°C)
2SC1344 2SC1345
Item
CE
= 6 V, IC = 0.1 mA,
CE
= 6 V, IC = 0.1 mA,
Symbol Min Typ Max 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
Emitter cutoff current I
DC current transfer ratio hFE*
Base to emitter voltage V
Collector to emitter
saturation voltage
Gain bandwidth product f
Collector output
capacitance
Noise figure NF — — 8 — — 8 dB V
Note: 1. The 2SC1344 and 2SC1345 are grouped by hFE as follows.
D E F
250 to 500 400 to 800 600 to 1200
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
CBO
EBO
BE
V
CE(sat)
T
30 — — 55 — — V IC = –10 µA, IE = 0
30 — — 50 — — V IC = 1 mA, RBE = ∞
5 — — 5 — — V IE = 10 µA, IC = 0
— — 0.5 — — 0.5 µA VCB =18 V, IE = 0
— — 0.5 — — 0.5 µA VCB = 2 V, IC = 0
1
250 — 1200 250 — 1200 VCE = 12 V, IC = 2 mA
— — 0.75 — — 0.75 V VCE = 12 V, IC = 2 mA
— — 0.5 — — 0.5 V IC = 10 mA, IB = 1 mA
— 230 — — 230 — MHz VCE = 12 V, IC = 2 mA
Cob — — 3.5 — — 3.5 pF VCB = 10 V, IE = 0,
— — 1 — — 1 dB V
f = 1 MHz
f = 10 Hz, Rg = 10 kΩ
f = 1 kHz, Rg = 10 kΩ
2SC1344, 2SC1345
3
Small Signal h Parameters (VCE = 5V, IC = 0.1 mA, f = 270 Hz, Ta = 25°C, Emitter
common)
Item Symbol D E F Unit
Input impedance hie 110 170 240 kΩ
Voltage feedback ratio hre 9.5 14.5 16 × 10
–4
Current transfer ratio hfe 340 540 825
Output admittance hoe 12.0 12.5 13.5 µS
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