HIT 2SC1775 Datasheet
2SC1775, 2SC1775A
Silicon NPN Epitaxial
Application
• Low frequency low noise amplifier
• Complementary pair with 2SA872/A
Outline
TO-92 (1)
1. Emitter
2. Collector
3. Base
3
2
1
2SC1775, 2SC1775A
Absolute Maximum Ratings (Ta = 25°C)
Item Symbol 2SC1775 2SC1775A 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 150 150 °C
Storage temperature Tstg –55 to +150 –50 to +150 °C
Electrical Characteristics (Ta = 25°C)
2SC1775 2SC1775A
Item Symbol Min Typ Max Min Typ Max Unit Test conditions
Collector to emitter
breakdown voltage
Collector cutoff current I
DC current transfer ratio h
Base to emitter voltage V
Collector to emitter
saturation voltage
Gain bandwidth product f
Collector output
capacitance
Noise figure NF — — 5.0 — — 5.0 dB VCE = 6 V,
Note: 1. The 2SC1775/A is grouped by h
EF
400 to 800 600 to 1200
V
(BR)CEO
CBO
90 — — 120 — — V IC = 1 mA, RBE = ∞
— — 0.5 — — — µAVCB = 75 V, IE = 0
———— —0.5µAVCB = 100 V, IE = 0
1
*
400 — 1200 400 — 1200 VCE = 12 V, IC = 2 mA
160 — — 160 — — VCE = 12 V,
— — 0.75 — — 0.75 V VCE = 12 V, IC = 2 mA
— — 0.5 — — 0.5 V IC = 10 mA, IB = 1 mA
— 200 — — 200 — MHz VCE = 12 V, IC = 2 mA
h
V
FE1
FE2
BE
CE(sat)
T
Cob — 1.6 — — 1.6 — pF VCB = 25 V, IE = 0,
— — 1.5 — — 1.5 dB f = 1
as follows.
FE1
90 120 V
90 120 V
55V
50 50 mA
300 300 mW
I
= 0.1 mA
C
f = 1 MHz
I
= 50 µA,
C
R
= 50 kΩ
g
f = 10
Hz
kHz
2
2SC1775, 2SC1775A
Maximum Collector Dissipation Curve
300
(mW)
C
200
100
Collector Power Dissipation P
0
Ambient Temperature Ta (°C)
Typical Transfer Characteristics
10
3
VCE = 12 V
(mA)
1.0
C
0.30
0.10
Collector Current I
0.03
75
Ta = 100°C
0.01
0.40.30.2
Base to Emitter Voltage V
25
0
100 150
50
50
–25
0.5 0.6 0.7 0.8
(V)
BE
Typical Output Characteristics
10
8
(mA)
C
10
8
6
6
4
4
2
Collector Current I
2 µA
IB = 0
0
2010
Collector to Emitter Voltage V
DC Current Transfer Ratio vs.
Collector Current
1,200
FE
1,000
VCE = 12 V
Ta = 100°C
800
600
400
200
DC Current Transfer Ratio h
0
0.10.030.01
Collector Current I
P
C
= 300 mW
30 40 50
(V)
CE
75
50
25
0
–25
0.3 1.0 3 10 30
(mA)
C
3
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