Document
Ordering number:EN1944B
NPN Epitaxial Planar Silicon Transistor
2SC3771
UHF, VHF Oscillator Mixer, HF Amplifier Applications
Applications
· UHF/VHF frequency converters, local oscillators, HF amplifiers.
Features
· High power gain : PG=10dB typ (f=0.9GHz). PG=16dB typ (f=0.4GHz).
· Small noise figure : NF=3.5dB typ (f=0.9GHz). · High cutoff frequency : fT=2.2GHz typ.
Package Dimensions
unit:mm 2018A
[2SC3771]
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Base Current Collector Dissipation Junction Temperature Storage Temperature
Symbol
VCBO VCEO VEBO
IC IB PC Tj
Tstg
Electrical Characteristics at Ta = 25˚C
Conditions
Parameter
Symbol
Conditions
Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain-Bandwidth Product Output Capacitance Reverse Transfer Capacitance
ICBO IEBO hFE
fT Cob Cre
VCB=20V, IE=0 VEB=2V, IC=0 VCE=10V, IC=5mA VCE=10V, IC=5mA VCB=10V, f=1MHz VCB=10V, f=1MHz
* : The 2SC3771 is classified by 5mA hFE as follows : 40 2 80 (Note) Marking : KY
hFE rank : 2, 3, 4
60 3 120 100 4 200
C : Collector B : Base E : Emitter SANYO : CP
Ratings 30 20 3 30 10
250 150 –55 to +150
Unit V V V mA mA
mW ˚C ˚C
Ratings min typ
40* 1.4 2.2
0.7 0.5
max 1.0 10
200*
1.1
Unit
µA µA
GHz pF pF
Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N3098HA (KT)/5318MO/5137KI/O115KI, TS No.1944–1/5
Power Gain Noise Figure
Parameter
PG, NF Test Circuit
2SC3771
Symbol PG
NF
Conditions
VCE=10V, IC=10mA, f=0.4GHz VCE=10V, IC=10mA, f=0.9GHz VCE=10V, IC=3mA, f=0.9GHz, See specified Test Circuit.
Ratings min typ max
16 10
3.5
Unit
dB dB dB
900MHz C1 ~5pF C2 ~10pF C3 ~10pF C4 ~10pF C5 ~10pF L1 W ≈ 1.5mm, l ≈ 25mm
Strip line L2 W ≈ 4mm, l ≈ 25mm
Strip line L3 0.5φ, l ≈ 40mm CH 2t+bead core
No.1944–2/5
2SC3771
No.1944–3/5
2SC3771
No.1944–4/5
2SC3771
Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of t.