SILICON TRANSISTOR
2SC4568
NPN SILICON EPITAXIAL TRANSISTOR
UHF TV TUNER OSC/MIXER
DATA SHEET
Document No. PU10035EJ01V0DS (1st edition)
(Previous No. P10373EJ2V1DS00)
Date Published October 2001 CP(K)
Printed in Japan
The mark
shows major revised points.
NEC Corporation 1989
NEC Compound Semiconductor Devices 2001
The information in this document is subject to change without notice. Before using this document, please confirm that
this is the latest version.
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DESCRIPTION
The 2SC4568 is an NPN silicon epitaxial transistor intended for use as
UHF oscillator and UHF mixer in a tuner of TV rceiver.
FEATURES
High gain bandwidth product
fT = 5.5 GHz TYP.
Low output capacitance
Cob = 0.7 pF TYP.
Surface mount package
EIAJ: SC-59
ABSOLUTE MAXIMUM RATINGS (TA = 25
°°°°C)
Maximum Voltages and Current
Collector to Base Voltage
VCBO
20
V
Collector to Emitter Voltage
VCEO
12
V
Emitter to Base Voltage
VEBO
3.0
V
Collector Current
IC
30
mA
Total Power Dissipation
PT
150
mW
Junction Temperature
Tj
125
°C
Storage Temperature
Tstg
55 to +125
°C
ELECTRICAL CHARACTERISTICS (TA = 25
°°°°C)
CHARACTERISTIC
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
Collector Cutoff Current
ICBO
0.1
AVCB = 15 V, IE = 0
Emitter Cutoff Current
IEBO
0.1
AVEB = 1 V, IC = 0
Collector Saturation Voltage
VCE(sat)
0.5
V
hFE = 10, IC = 5 mA
DC Current Gain
hFE
40
100
200
VCE = 5 V, IC = 5 mA *1
Gain Bandwidth Product
fT
5.5
GHz
VCE = 5 V, IC = 5 mA, f = 1.0 GHz
Output Capacitance
Cob
0.7
0.9
pF
VCB = 5 V, IE = 0, f = 1.0 MHz
Insertion Gain
S21e
2
5.0
dB
VCE = 5 V, IC = 5 mA, f = 1.0 MHz
*1 Pulsed: PW = 35
S, Duty Cycle ≤ 2 %
hFE Classification
Class
T72/EB *
T73/FB *
T74/GB *
Marking
T72
T73
T74
hFE
40 to 80
60 to 120
100 to 200
* Old Specification / New Specification
PACKAGE DIMENSIONS
(Units: mm)
1.5
2
1
3
Marking
PIN CONNECTIONS
1.
2.
3.
Emitter
Base
Collector
2.8±0.2
2.9±0.2
1.1
to
1.4
0
to
0.1
0.95
0.3
0.95
0.4
+0.1
0.05
0.4
+0.1
0.05
0.16
+0.1
0.06
0.65
+0.1
0.15