Bipolar Low Noise Transistors
Electrical Specifications @ 25°C
Parameter
Collector Cut-off Current
Collector-Emitter breakdown
Voltage
Collector-Base breakdown
Voltage
Emitter-Base breakdown
Voltage
Forward Current Gain
Collector-Base
Junction Capacitance
Base-Emitter Voltage
Saturated
Collector-Emitter Voltage
Saturated
Condition
V
CB
= 15 volts
I
E
= 0
µA
I
C
= 30 mA
I
C
= 1 uA
I
C
= 1 uA
V
CE
= 1 volts
I
C
= 3 mA
V
CB
= 10 volts
f = 1 MHz
I
C
= 10 mA
I
B
= 1 mA
I
C
= 10 mA
I
B
= 1 mA
Symbol
I
CBO
BV
CEO
BV
CBO
BV
EBO
h
FE
C
CB
Min
15
30
3
30
Typical
25
47
5.5
100
.6
150
1.0
Max
10
----
2N2857
Units
nA
Volts
Volts
Volts
pF (509)
VBE
SAT
VCE
SAT
----
----
.8
.2
1.0
.4
Volts
Volts
Typical Scattering Parameters in the TO-72 Can Package
FREQUENCY
(MHz)
100
COLLECTOR
CURRENT
(mA)
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
1.0
1.5
3.0
5.0
INPUT
REFLECTION
COEFFICIENT
MAG
ANGLE
.91
-26°
.88
-39°
.75
-48°
.67
-53°
.82
-43°
.77
-48°
.61
-65°
.49
-77°
.69
-64°
.63
-70°
.45
-89°
.37
-100°
.62
-76°
.56
-81°
.39
-100°
.32
-111°
.56
-80°
.55
-86°
.39
-104°
.32
-117°
.54
-87°
.49
-93°
.34
-112°
.29
-123°
.46
-102°
.41
-108°
.30
-126°
.26
-138°
.44
-111°
.38
-117°
.29
-135°
.25
-145°
FORWARD
TRANSMISSION
COEFFICIENT
MAG
ANGLE
3.2
152°
3.9
149°
6.5
136°
8.2
128°
3.0
138°
3.6
135°
5.4
122°
6.4
114°
2.5
120°
3.0
117°
4.0
105°
4.5
99°
2.3
110°
2.6
108°
3.9
97°
3.7
91°
2.1
107°
2.2
102°
2.8
92°
3.4
87°
2.0
101°
2.2
97°
2.8
87°
3.0
83°
1.7
91°
1.9
88°
2.3
79°
2.5
76°
1.6
85°
1.8
83°
2.1
75°
2.2
79°
REVERSE
TRANSMISSION
COEFFICIENT
MAG
ANGLE
.04
73°
.04
71°
.04
70°
.03
69°
.06
65°
.06
65°
.05
61°
.04
60°
.08
54°
.07
52°
.06
55°
.06
58°
.09
51°
.09
50°
.07
56°
.06
60°
.09
49°
.08
51°
.07
55°
.06
60°
.10
49°
.09
50°
.08
56°
.07
61°
.11
47°
.10
49°
.09
57°
.09
63°
.11
47°
.11
50°
.10
60°
.09
64°
OUTPUT
REFLECTION
COEFFICIENT
MAG
ANGLE
.96
-11°
.95
-12°
.89
-15°
.84
-16°
.92
-16°
.92
-16°
.82
-18°
.78
-18°
.89
-21°
.84
-23°
.76
-22°
.72
-21°
.84
-25°
.81
-26°
.79
-24°
.71
-23°
.84
-26°
.80
-26°
.74
-25°
.72
-23°
.82
-28°
.78
-28°
.73
-26°
.70
-24°
.77
-31°
.74
-31°
.70
-28°
.68
-26°
.72
-34°
.72
-33°
.68
-30°
.67
-28°
200
300
400
450
500
600
700
Specification Subject to Change Without Notice
M-Pulse Microwave____________________________________________________________________________________
576 Charcot Avemue, San Jose, California 95131
3
Tel (408) 432-1480
Fax (408)) 432-3440
MPLUSE [ M-PULSE MICROWAVE INC. ]
