NEC 2SC4184 Datasheet
DATA SHEET
UHF OSCILLATOR AND VHF MIXER
NPN SILICON EPITAXIAL TRANSISTOR
SUPER MINI MOLD
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.
SILICON TRANSISTOR
2SC4184
PACKAGE DIMENSIONS
in millimeters
2.1 ± 0.1
1.25 ± 0.1
2
0.65
+0.1
–0
0.3
2.0 ± 0.2
0.65
1
3
+0.1
–0
0.3
ABSOLUTE MAXIMUM RATINGS (TA = 25 ˚C)
Collector to Base Voltage VCB0 30 V
Collector to Emitter Voltage V
Emitter to Base Voltage V
Collector Current I
Total Power Dissipation P
Junction Temperature T
Storage Temperature T
CE0 15 V
EB0 4.0 V
C 50 mA
T 160 mW
j 150 ˚C
stg –65 to +150 ˚C
0.3
0.9 ± 0.1
PIN CONNECTIONS
1. Emitter
2. Base
3. Collector
Marking
0 to 0.1
ELECTRICAL CHARACTERISTICS (TA = 25 ˚C)
Characteristics Symbol MIN. TYP. MAX. Unit Test Conditions
Collector Cutoff Current ICB0 0.1
DC Current Gain hFE 40 100 200 VCE = 3 V, IC = 5 mA
Collector Saturation Voltage
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(sat) 0.5 V
µ
AVCB = 20 V, IE = 0
IC = 10 mA, IB = 1 mA
VCE = 3 V, IE = –5 mA, f = 31.9 MHz
+0.1
0.15
–0.05
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
©
1996
TYPICAL CHARACTERISTICS (TA = 25 ˚C)
2SC4184
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
200
150
100
50
- Total Power Dissipation - W
T
P
0
50 100 150
TA - Ambient Temperature - ˚C
DC CURRENT GAIN vs.
COLLECTOR CURRENT
200
100
Free Air
VCE = 10 V
TYPICAL DEVICE CAPACITANCE vs.
COLLECTOR TO BASE VOLTAGE
3
2
1
0.7
0.5
0.3
- Feed-back Capacitance - pF
0.2
re
C
0.1
CB
- Collector to Base Voltage - V
V
71
INSERTION GAIN, MAXIMUM AVAILABLE
GAIN vs. COLLECTOR CURRENT
15
VCE = 10 V
f = 1.0 GHz
f = 1.0 MHz
201053230
MAG
50
- DC Current Gain
FE
h
20
10
0.5
I
C
- Collector Current - mA
511050
GAIN BANDWIDTH PRODUCT vs.
COLLECTOR CURRENT
10
5.0
3.0
2.0
1.0
0.5
0.3
0.2
- Gain Bandwidth Product - MHz
VCE = 10 V
T
f
0.1
0.1
I
C
- Collector Current - mA
10
2
S
21e
- Insertion Gain - dB
5
2
21e
- Maximum Available Gain - dB
S
max
G
0
0.5 1
510
I
C
- Collector Current - mA
50
70
COLLECTOR TO BASE TIME
CONSTANT vs. COLLECTOR CURRENT
15
10
5
VCE = 10 V
- Collector to Base Time Constant - ps
b
f = 31.9 MHz
·
b
0
100.5
305.01.0
·r
C
C
0.5 50101
5
I
C
- Collector Current - mA
70
2
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