DATA SHEET
SILICON TRANSISTOR
2SC5181
NPN EPITAXIAL SILICON TRANSISTOR IN ULTRA SUPER MINI-MOLD PACKAGE
FOR LOW-NOISE MICROWAVE AMPLIFICATION
FEATURES
• Low current consumption and high gain
|S
21e
|
2
= 10.5 dB
TYP.
@ V
CE
= 2 V, I
C
= 7 mA, f = 2 GHz
|S
21e
|
2
= 9.0 dB
TYP.
@V
CE
= 1 V, I
C
= 5 mA, f = 2 GHz
• Ultra Super Mini-Mold package
PACKAGE DIMENSIONS
(Units: mm)
1.6 ± 0.1
0.8 ± 0.1
2
1.6 ± 0.1
0.2
+0.1
–0
0.5
0.3
+0.1
–0
0.15
+0.1
–0.05
ORDERING INFORMATION
PART
NUMBER
2SC5181
2SC5181-T1
QUANTITY
50 units/box
3 000 units/reel
ARRANGEMENT
Embossed tape, 8 mm wide, pin No. 3
(collector) facing the perforation
1.0
84
0.5
3
1
* Contact your NEC sales representatives to order samples for
evaluation (available in batches of 50).
0.75 ± 0.05
0.6
ABSOLUTE MAXIMUM RATINGS (T
A
= 25
°
C)
Collector to Base Voltage
Collector to Emitter Voltage
Emitter to Base Voltage
Collector Current
Total Power Dissipation
Junction Temperature
Storage Temperature
V
CBO
V
CEO
V
EBO
I
C
P
T
T
j
T
stg
5
3
2
10
30
150
–65 to +150
V
V
V
mA
mW
°C
°C
PIN CONNECTIONS
1. Emitter
2. Base
3. Collector
Caution;
This transistor uses high-frequency technology. Be careful not to allow excessive current to flow through the transistor, including static electricity.
Document No. P12105EJ2V0DS00 (2nd edition)
(Previous No. TC-2478)
Date Published November 1996 N
Printed in Japan
0 to 0.1
©
1994
2SC5181
ELECTRICAL CHARACTERISTICS (T
A
= 25
°
C)
PARAMETER
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Insertion Power Gain (1)
Insertion Power Gain (2)
Noise Figure (1)
Noise Figure (2)
Gain Bandwidth Product (1)
Gain Bandwidth Product (2)
Feedback Capacitance
SYMBOL
I
CBO
I
EBO
h
FE
|S
21e
|
2
|S
21e
|
2
NF
NF
f
T
f
T
C
re
10
8.5
70
8.0
7.0
10.5
9.0
1.5
1.5
13
12
0.4
0.6
2.0
2.0
MIN.
TYP.
MAX.
100
100
140
dB
dB
dB
dB
GHz
GHz
pF
UNIT
nA
nA
CONDITIONS
V
CB
= 5 V, I
E
= 0
V
EB
= 1 V, I
C
= 0
V
CE
= 2 V, I
C
= 7 mA
*1
V
CE
= 2 V, I
C
= 7 mA, f = 2 GHz
V
CE
= 1 V, I
C
= 5 mA, f = 2 GHz
V
CE
= 2 V, I
C
= 3 mA, f = 2 GHz
V
CE
= 1 V, I
C
= 3 mA, f = 2 GHz
V
CE
= 2 V, I
C
= 7 mA, f = 2 GHz
V
CE
= 1 V, I
C
= 5 mA, f = 2 GHz
V
CB
= 2 V, I
E
= 0 mA, f = 1 MHz
*2
*1.
*2.
Measured with pulses: Pulse width
≤
350
µ
s, duty cycle
≤
2 %, pulsed
Measured with a three-terminal bridge. The emitter and case terminal are connected to the guard terminal
of the bridge.
h
FE
Class
Class
Marking
h
FE
FB
84
70 to 140
2
2SC5181
CHARACTERISTICS CURVES (T
A
= 25
°
C)
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
COLLECTOR CURRENT vs.
BASE TO EMITTER VOLTAGE
50
V
CE
= 2 V
P
T
– Total Power Dissipation – mW
200
Passive air cooling
I
C
– Collector Current – mA
40
30
20
100
10
30 mW
0
50
100
150
0
0.5
V
BE
– Base to Emitter Voltage – V
DC CURRENT GAIN vs.
COLLECTOR CURRENT
1.0
T
A
– Ambient Temperature – °C
COLLECTOR CURRENT vs.
COLLECTOR TO EMITTER
25
500
I
C
– Collector Current – mA
h
FE
– DC Current Gain
20
15
200
µ
A
180
µ
A
160
µ
A
140
µ
A
120
µ
A
100
µ
A
80
µ
A
60
µ
A
40
µ
A
I
B
= 20
µ
A
1.0
2.0
3.0
200
V
CE
= 2 V
100
50
V
CE
= 1 V
10
5
20
10
0
1
2
5
10
20
50
100
V
CE
– Collector to Emitter Voltage – V
GAIN BANDWIDTH PRODUCT vs.
COLLECTOR CURRENT
I
C
– Collector Current – mA
INSERTION POWER GAIN vs.
COLLECTOR CURRENT
f
T
– Gain Bandwidth Product – GHz
V
CE
= 2 V
V
CE
= 1 V
10
|S
21e
|
2
– Insertion Power Gain – dB
15
f = 2 GHz
f = 2 GHz
10
V
CE
= 2 V
V
CE
= 1 V
5
5
1
2
3
5
7
10
20
0
1
2
3
5
7 10
20
I
C
– Collector Current – mA
I
C
– Collector Current – mA
3
2SC5181
NOISE FIGURE vs.
COLLECTOR CURRENT
3
f = 2 GHz
0.8
FEED-BACK CAPACITANCE vs.
COLLECTOR TO BASE VOLTAGE
C
re
– Feedback Capacitance – pF
f = 1 MHz
0.6
NF – Noise Figure – dB
2
V
CE
= 1 V
V
CE
= 2 V
0.4
0.2
1
1
2
3
5
7
10
20
0.0
2.0
4.0
6.0
8.0
10.0
I
C
– Collector Current – mA
V
CB
– Collector to Base Voltage – V
4
2SC5181
S-PARAMETERS
V
CE
= 1 V, I
C
= 1 mA, Z
O
= 50
Ω
FREQUENCY
MHz
600.00
800.00
1000.00
1200.00
1400.00
1600.00
1800.00
2000.00
2200.00
MAG
0.892
0.795
0.704
0.653
0.598
0.524
0.464
0.415
0.355
S11
ANG
–31.5
–40.9
–50.9
–60.1
–66.6
–73.7
–80.6
–88.8
–97.7
MAG
3.159
2.964
2.762
2.674
2.590
2.409
2.285
2.182
2.032
S21
ANG
142.3
130.8
119.7
110.1
103.0
94.9
87.2
81.7
74.6
MAG
0.113
0.152
0.180
0.204
0.228
0.253
0.265
0.270
0.278
S12
ANG
64.7
58.9
53.0
49.8
45.9
42.5
41.3
39.6
35.7
MAG
0.934
0.847
0.759
0.726
0.688
0.636
0.575
0.530
0.495
S22
ANG
–25.9
–32.1
–39.9
–47.4
–53.1
–58.2
–64.2
–68.9
–74.6
V
CE
= 1 V, I
C
= 3 mA, Z
O
= 50
Ω
FREQUENCY
MHz
600.00
800.00
1000.00
1200.00
1400.00
1600.00
1800.00
2000.00
2200.00
MAG
0.653
0.517
0.422
0.362
0.301
0.245
0.209
0.175
0.132
S11
ANG
–48.4
–59.5
–68.5
–76.1
–81.4
–88.0
–92.7
–105.8
–121.6
MAG
6.121
5.199
4.502
4.084
3.661
3.279
3.024
2.796
2.535
S21
ANG
124.0
111.4
100.6
92.8
86.8
79.5
74.1
70.4
64.5
MAG
0.095
0.123
0.143
0.165
0.183
0.204
0.220
0.230
0.244
S12
ANG
59.6
55.7
53.0
53.5
51.6
50.1
49.7
50.0
46.8
MAG
0.754
0.629
0.533
0.493
0.448
0.411
0.369
0.334
0.311
S22
ANG
–37.3
–43.1
–49.5
–54.2
–57.6
–61.1
–66.7
–69.5
–75.0
V
CE
= 1 V, I
C
= 3 mA, Z
O
= 50
Ω
FREQUENCY
MHz
600.00
800.00
1000.00
1200.00
1400.00
1600.00
1800.00
2000.00
2200.00
MAG
0.514
0.389
0.307
0.253
0.202
0.157
0.130
0.108
0.077
S11
ANG
–56.3
–66.9
–73.5
–79.7
–85.5
–91.8
–96.2
–116.1
–142.5
MAG
7.156
5.830
4.939
4.391
3.865
3.440
3.155
2.900
2.614
S21
ANG
115.3
103.5
93.6
86.9
81.4
74.7
70.1
67.0
61.5
MAG
0.082
0.109
0.131
0.151
0.175
0.196
0.213
0.227
0.241
S12
ANG
57.8
57.0
56.4
56.4
55.2
53.8
53.5
53.3
50.7
MAG
0.648
0.530
0.446
0.414
0.379
0.347
0.313
0.283
0.268
S22
ANG
–40.3
–44.6
–48.9
–52.5
–55.2
–58.4
–63.6
–65.6
–71.7
V
CE
= 1 V, I
C
= 7 mA, Z
O
= 50
Ω
FREQUENCY
MHz
600.00
800.00
1000.00
1200.00
1400.00
1600.00
1800.00
2000.00
2200.00
MAG
0.405
0.305
0.229
0.184
0.141
0.106
0.086
0.071
0.060
S11
ANG
–61.9
–72.5
–78.2
–84.9
–91.4
–98.8
–104.3
–136.6
–174.6
MAG
7.590
6.043
5.059
4.454
3.886
3.455
3.162
2.898
2.606
S21
ANG
109.4
98.4
89.2
83.2
78.0
71.6
67.6
64.6
59.4
MAG
0.077
0.101
0.124
0.145
0.169
0.191
0.210
0.224
0.237
S12
ANG
59.1
59.0
57.9
59.2
57.6
56.2
55.3
55.9
52.7
MAG
0.570
0.469
0.399
0.374
0.347
0.322
0.290
0.264
0.249
S22
ANG
–40.5
–43.6
–46.6
–49.4
–51.8
–54.5
–59.5
–61.4
–67.2
5
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