©
1996
DATA SHEET
SILICON TRANSISTOR
2SC4184
DESCRIPTION
The 2SC4184 is designed for use as an oscillator or a mixer in a UHF
TV tuners. Super mini mold package makes it suitable for use in small
type equipments especially recommended for Hibrid Integrated Circuits
and other applications.
FEATURES
• High Gain Bandwidth Product : fT = 1.8 GHz TYP.
• Low Collector to Base Time Constant: CC · rb’b = 3.5 ps TYP.
• Low Feedback Capacitance : C
re = 1.2 pF MAX.
ABSOLUTE MAXIMUM RATINGS (TA = 25 ˚C)
Collector to Base Voltage VCB0 30 V
Collector to Emitter Voltage V
CE0 15 V
Emitter to Base Voltage V
EB0 4.0 V
Collector Current I
C 50 mA
Total Power Dissipation P
T 160 mW
Junction Temperature T
j 150 ˚C
Storage Temperature T
stg –65 to +150 ˚C
ELECTRICAL CHARACTERISTICS (TA = 25 ˚C)
Characteristics Symbol MIN. TYP. MAX. Unit Test Conditions
Collector Cutoff Current ICB0 0.1
µ
AVCB = 20 V, IE = 0
DC Current Gain hFE 40 100 200 VCE = 3 V, IC = 5 mA
Collector Saturation Voltage
VCE(sat) 0.5 V
IC = 10 mA, IB = 1 mA
Gain Bandwidth Product fT 1.2 1.8 GHz VCE = 3 V, IC = 5 mA
Feedback Capacitance Cre 0.55 1.2 pF VCB = 3 V, IE = 0, f = 1 MHz
Collector to Base Time Constant CC ·rb’b 3.5 8.0 ps
VCE = 3 V, IE = –5 mA, f = 31.9 MHz
hFE Classifications
Rank T42 T43 T44
Marking T42 T43 T44
hFE 40 to 80 60 to 120 100 to 200
Document No. P11189EJ2V0DS00 (2nd edition)
(Previous No. TP-2253)
Date Published February 1996 P
Printed in Japan
PACKAGE DIMENSIONS
in millimeters
UHF OSCILLATOR AND VHF MIXER
NPN SILICON EPITAXIAL TRANSISTOR
SUPER MINI MOLD
2.1 ± 0.1
1.25 ± 0.1
2
1
3
2.0 ± 0.2
0.3
+0.1
–0
0.65
0.65
0.3
+0.1
–0
0.15
+0.1
–0.05
0 to 0.1
0.3
0.9 ± 0.1
Marking
PIN CONNECTIONS
1. Emitter
2. Base
3. Collector
