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Datasheet: 2SC4956 (NEC)

High Frequency Low Noise Amplifier Npn Silicon Epitaxial Transistor 4 Pins Mini Mold

 

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NEC
The information in this document is subject to change without notice.
SILICON TRANSISTOR
2SC4956
HIGH FREQUENCY LOW NOISE AMPLIFIER
NPN SILICON EPITAXIAL TRANSISTOR
4 PINS MINI MOLD
FEATURES
Low Noise, High Gain
Low Voltage Operation
Low Feedback Capacitance
C
re
= 0.20 pF TYP.
ORDERING INFORMATION
PART
QUANTITY
PACKING STYLE
NUMBER
2SC4956-T1
3 Kpcs/Reel.
Embossed tape 8 mm wide.
Pin3 (Base), Pin4 (Emitter) face to perforation
side of the tape.
2SC4956-T2
3 Kpcs/Reel.
Embossed tape 8 mm wide.
Pin1 (Collector), Pin2 (Emitter) face to perfora-
tion side of the tape.
*
Please contact with responsible NEC person, if you require evaluation
sample. Unit sample quantity shall be 50 pcs. (Part No.: 2SC4956)
ABSOLUTE MAXIMUM RATINGS (T
A
= 25 C)
Collector to Base Voltage
V
CBO
9
V
Collector to Emitter Voltage
V
CEO
6
V
Emitter to Base Voltage
V
EBO
2
V
Collector Current
I
C
10
mA
Total Power Dissipation
P
T
60
mW
Junction Temperature
T
j
150
C
Storage Temperature
T
stg
65 to +150
C
1993
DATA SHEET
2.8
0.3
+0.2
1.5
0.1
+0.2
0.4
0.05
+0.1
0.4
0.05
+0.1
2.9 0.2
(1.8)
0.85
0.95
0.6
0.05
+0.1
0.4
0.05
+0.1
1.1
0.1
+0.2
0.8
0 to 0.1
0.16
0.06
+0.1
2
3
1
4
5
5
5
5
(1.9)
PACKAGE DIMENSIONS
in millimeters
PIN CONNECTIONS
1.
2.
3.
4.
Collector
Emitter
Base
Emitter
Caution; Electrostatic Sensitive Device.
Document No. P10378EJ2V0DS00 (2nd edition)
(Previous No. TD-2407)
Date Published July 1995 P
Printed in Japan
2
2SC4956
ELECTRICAL CHARACTERISTICS (T
A
= 25 C)
CHARACTERISTIC
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITION
Collector Cutoff Current
I
CBO
0.1
A
V
CB
= 5 V, I
E
= 0
Emitter Cutoff Current
I
EBO
0.1
A
V
EB
= 1 V, I
C
= 0
DC Current Gain
h
FE
75
150
V
CE
= 3 V, I
C
= 5 mA*
1
Gain Bandwidth Product
f
T
12
GHz
V
CE
= 3 V, I
C
= 5 mA, f = 2.0 GHz
Feed back Capacitance
C
re
0.2
0.4
pF
V
CB
= 3 V, I
E
= 0, f = 1 MHz*
2
Insertion Power Gain
|S
21e
|
2
9
11
dB
V
CE
= 3 V, I
C
= 5 mA, f = 2.0 GHz
Noise Figure
NF
2.5
4.0
dB
V
CE
= 3 V, I
C
= 3 mA, f = 2.0 GHz
*1
Pulse Measurement; PW
350
s, Duty Cycle
2 % Pulsed.
*2
Measured with 3 terminals bridge, Emitter and Case should be grounded.
h
FE
Classification
Rank
T82
Marking
T82
h
FE
75 to 150
TYPICAL CHARACTERISTICS (T
A
= 25 C)
TOTAL POWER DISSIPATION
vs. AMBIENT TEMPERATURE
T
A
Ambient Temperature C
P
T
Total Power Dissipation mW
COLLECTOR CURRENT
vs. BASE TO EMITTER VOLTAGE
V
BE
Base to Emitter Voltage V
I
C
Collector Current mA
50
200
100
0
50
100
150
60 mW
40
30
20
10
0
0.5
1
V
CE
= 3 V
Free Air
3
2SC4956
COLLECTOR CURRENT
vs. COLLECTOR TO EMITTER VOLTAGE
V
CE
Collector to Emitter Voltage V
I
C
Collector Current mA
40
DC CURRENT GAIN
vs. COLLECTOR CURRENT
I
C
Collector Current mA
h
FE
DC Current Gain
200
0.1
GAIN BANDWIDTH PRODUCT
vs. COLLECTOR CURRENT
I
C
Collector Current mA
f
T
Gain Bandwidth Product GHz
14
0.5
INSERTION POWER GAIN
vs. COLLECTOR CURRENT
I
C
Collector Current mA
|S
21e
|
2
Insertion Power Gain dB
12
0.5
30
20
10
0
2
4
6
500 A
400 A
300 A
200 A
100
0
0.5 1
5
10
50 100
5 V
V
CE
= 3 V
12
10
8
6
4
2
1
2
5
10
20
5 V
3 V
V
CE
= 1 V
10
8
6
4
1
5
10
50
5 V
3 V
V
CE
= 1 V
I
B
= 100 A
20
2

f = 2 GHz
f = 2 GHz
NOISE FIGURE
vs. COLLECTOR CURRENT
I
C
Collector Current mA
NF Noise Figure dB
FEED-BACK CAPACITANCE
vs. COLLECTOR TO BASE VOLTAGE
V
CB
Collector to Base Voltage V
C
re
Feed-back Capacitance pF
0.5
5
0.4
0.3
0.2
0.1
0
0.5
20
1
2
5
10
4
3
2
1
0
0.5
20
1
2
5
10
f = 2 GHz
V
CE
= 3 V
f = 1 MHz
4
2SC4956
S-PARAMETER
(V
CE
= 3 V, I
C
= 1 mA, Z
O
= 50
)
f
S
11
S
21
S
12
S
22
(GHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
0.200
0.9570
8.1
3.2990
169.6
0.0210
88.3
0.9910
5.8
0.400
0.9200
15.5
3.1190
158.2
0.0400
81.3
0.9840
10.8
0.600
0.8920
24.1
3.1280
149.0
0.0700
69.7
0.9600
17.0
0.800
0.8330
31.0
3.0280
138.7
0.0850
68.1
0.9260
21.7
1.000
0.7910
38.7
2.9450
129.2
0.1030
62.3
0.8800
26.8
1.200
0.7370
46.5
2.9190
119.4
0.1260
55.3
0.8520
32.6
1.400
0.6590
54.0
2.7560
111.2
0.1430
51.6
0.8190
37.1
1.600
0.5980
60.7
2.6260
102.3
0.1530
48.7
0.7840
41.2
1.800
0.5420
66.6
2.4840
93.7
0.1640
42.9
0.7320
46.8
2.000
0.4630
73.6
2.3700
86.2
0.1740
41.6
0.6960
50.4
2.200
0.4080
82.7
2.3120
78.8
0.1920
36.1
0.6710
56.3
2.400
0.3560
89.3
2.2100
71.9
0.1980
32.6
0.6330
58.7
2.600
0.3220
96.9
2.0970
66.3
0.1920
32.8
0.6060
65.9
2.800
0.2550
110.8
1.9980
58.7
0.2060
29.1
0.5720
72.0
3.000
0.2190
118.1
1.9210
53.9
0.2320
22.8
0.5320
77.4
(V
CE
= 3 V, I
C
= 3 mA, Z
O
= 50
)
f
S
11
S
21
S
12
S
22
(GHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
0.200
0.8730
13.5
7.7390
162.0
0.0230
84.8
0.9630
9.0
0.400
0.7880
24.1
6.8700
145.7
0.0440
78.6
0.9250
15.8
0.600
0.7090
34.8
6.3160
133.1
0.0570
68.6
0.8750
22.8
0.800
0.6030
42.7
5.6650
121.1
0.0710
58.9
0.8040
27.5
1.000
0.5280
50.4
5.1110
110.7
0.0820
59.1
0.7360
31.5
1.200
0.4530
56.7
4.7060
101.4
0.1000
59.3
0.6910
36.0
1.400
0.3720
62.0
4.1970
93.8
0.1120
54.4
0.6570
39.6
1.600
0.3160
67.3
3.8590
86.0
0.1320
50.9
0.6130
42.7
1.800
0.2650
70.2
3.4780
78.9
0.1360
51.4
0.5820
46.3
2.000
0.2080
75.0
3.2210
72.7
0.1400
49.0
0.5530
49.7
2.200
0.1460
84.0
3.0510
66.9
0.1560
46.2
0.5210
55.2
2.400
0.1250
94.7
2.8660
61.0
0.1680
39.9
0.4920
53.7
2.600
0.1070
103.5
2.6500
56.5
0.1790
42.4
0.4750
62.6
2.800
0.0670
128.8
2.5070
50.5
0.1790
35.7
0.4460
66.1
3.000
0.0410
175.4
2.3660
45.5
0.1860
34.4
0.4210
72.9
5
2SC4956
S-PARAMETER
(V
CE
= 3 V, I
C
= 5 mA, Z
O
= 50
)
f
S
11
S
21
S
12
S
22
(GHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
0.200
0.8040
16.5
10.2510
157.1
0.0200
76.7
0.9490
10.8
0.400
0.6940
28.1
8.6340
138.6
0.0420
74.7
0.8910
18.4
0.600
0.5950
39.3
7.5490
125.1
0.0580
67.5
0.8100
24.7
0.800
0.4830
46.5
6.5000
113.2
0.0670
65.6
0.7490
28.0
1.000
0.4210
53.1
5.6980
103.3
0.0830
63.1
0.6800
32.4
1.200
0.3410
58.3
5.1160
94.6
0.0930
56.9
0.6330
35.5
1.400
0.2810
63.4
4.5060
87.8
0.1030
59.5
0.6050
37.9
1.600
0.2770
68.8
4.0840
80.7
0.1150
57.4
0.5710
41.0
1.800
0.1840
64.8
3.6580
74.0
0.1260
53.5
0.5390
43.3
2.000
0.1300
61.9
3.3690
68.8
0.1400
48.5
0.5090
47.4
2.200
0.0880
78.7
3.1690
63.1
0.1490
49.1
0.4840
53.6
2.400
0.0540
98.6
2.9460
57.9
0.1690
47.0
0.4710
53.8
2.600
0.0190
67.4
2.7220
53.5
0.1760
45.3
0.4450
60.7
2.800
0.0200
132.7
2.5900
47.8
0.1770
42.8
0.4290
63.6
3.000
0.0450
106.6
2.4410
42.7
0.2010
40.2
0.4000
72.4
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