MRF951
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
Features
•
•
•
•
Fully Implanted Base and Emitter Structure.
High Gain, Gain at Optimum Noise Figure = 14 dB @ 1 GHz
Low Noise Figure – 1.3dB @ 1GHz
Ftau - 8.0 GHz @ 6v, 30mA
Cost Effective Macro X Package
•
Macro X
DESCRIPTION:
Designed for use in high gain, low noise small-signal amplifiers.
ABSOLUTE MAXIMUM RATINGS
(Tcase = 25
°
C)
Symbol
V
CEO
V
CBO
V
EBO
I
C
Parameter
Value
10
20
1.5
100
Unit
Vdc
Vdc
Vdc
mA
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Thermal Data
P
D
Total Device Dissipation @ TC = 75ºC
.475
Storage Junction Temperature Range
-65 to +150
Maximum Junction Temperature
150
ºC
ºC
Watts
Tstg
T
Jmax
053-7030 Rev - 9-2002
MRF951
ELECTRICAL SPECIFICATIONS (Tcase = 25
°
C)
STATIC
(off)
Symbol
BVCEO
BVCBO
ICBO
IEBO
Test Conditions
Min.
Collector-Emitter Breakdown Voltage
(IC = 0.1 mAdc, IB = 0)
Collector-Base Breakdown Voltage
(IC = 0.1 mAdc, IE = 0)
Collector Cutoff Current
(VCE = 10 Vdc, VBE = 0 Vdc)
Collector Cutoff Current
(VCE = 1.0 Vdc, VBE = 0 Vdc)
10
20
-
-
Value
Typ.
-
-
-
-
Max.
-
-
0.1
0.1
Unit
Vdc
Vdc
µA
µA
(on)
HFE
DC Current Gain
(IC = 5.0 mAdc, VCE = 6.0 Vdc)
50
-
200
-
DYNAMIC
Symbol
CCB
Ftau
Test Conditions
Min.
Collector-Base Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Current-Gain Bandwidth Product
(IC = 30 mAdc, VCE = 6 Vdc, f = 1.0 GHz)
-
-
Value
Typ.
.45
8.0
Max.
1.0
-
Unit
pF
GHz
053-7030 Rev - 9-2002
MRF951
FUNCTIONAL
Symbol
Test Conditions
Min.
NFmin
Minimum Noise Figure
(IC = 5 mAdc, VCE = 6 Vdc, f = 1 GHz)
Power Gain @ NFmin
(IC = 5.0 mAdc, VCE = 6 Vdc, f = 1 GHz)
Maximum Unilateral Gain (1)
IC = 30 mAdc, VCE = 8 Vdc, f = 1 GHz
Insertion Gain
IC = 30 mAdc, VCE = 6 Vdc, f = 1 GHz
-
-
-
12
Value
Typ.
1.3
14
17
14.5
Max.
-
-
-
-
Unit
dB
dB
dB
dB
G
G
NF
U max
2
|S
21
|
Table 1. Common Emitter S-Parameters, @ VCE = 6 V, IC = 30 mA
(MHz)
100
500
1000
1500
2000
2500
3000
3500
4000
f
|S11|
.45
.46
.47
.48
.50
.51
.53
.55
.57
S11
∠φ
-95
-170
169
154
142
132
119
109
99
|S21|
36.80
10.20
5.30
3.60
2.80
2.30
1.90
1.60
1.50
S21
∠φ
132
89
72
58
45
36
23
12
2.0
|S12|
.02
.04
.08
.11
.15
.18
.22
.25
.29
S12
∠φ
64
65
66
63
58
54
47
41
35
|S22|
.68
.27
.22
.22
.23
.25
.28
.30
.33
S22
∠φ
-38
-55
-62
-73
-86
-97
-113
-125
-137
053-7030 Rev - 9-2002
MRF951
RF Low Power PA, LNA, and General Purpose Discrete Selector Guide
GPE Freq (MHz)
Efficiency (%)
Gu Max (dB)
12
15
17
13
IC max (mA)
SO-8
TO-39
POWER MACRO
POWER MACRO
TO-39
TO-39
TO-72
MRF4427, R2
2N4427
MRF553
MRF553T
MRF607
2N6255
2N5179
NPN
NPN
NPN
NPN
NPN
NPN
NPN
175 0.15
175
1
175 1.5
175 1.5
175 1.75
175
3
200
18
10
11.5
11.5
11.5
7.8
20
60
50
60
50
50
50
12
12
12.5
12.5
12.5
12.5
6
20 400
20 400
16 500
16 500
16 330
18 1000
12 50
TO-39
TO-39
SO-8
TO-72
TO-72
TO-39
TO-72
TO-72
MACRO T
MACRO T
SO-8
MACRO X
Macro
TO-72
TO-72
MACRO X
TO-39
2N5109
MRF5943C
2N5179
2N2857
MRF517
MRF904
2N6304
BFR91
BFR96
MRF581A
BFR90
BFY90
MRF914
MRF581
MRF586
NPN 200
NPN 200
NPN 200
NPN 300
NPN 300
NPN 450
NPN 450
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
3
10 15
1200
1300
900
1600
3.5
3.4 30 15
3.4 30 15
4.5 1.5
5.5 50
6
6
11.4 1000
1
1
3
1
1
1
2.6
MRF5943, R1, R2 NPN 200
7.5 50 15
1.5
5
1.9
2
2
2
2.4
2.5
2.5
3
5
2
2
6
5
5
11
5.5 4600
11
14
4000
1400
16.5 5000
14.5 500
MACRO X
MRF559
MACRO X
MRF559
TO-39
2N3866A
SO-8
MRF3866, R1, R2
POWER MACRO
MRF555
POWER MACRO
MRF555T
NPN
NPN
NPN
NPN
NPN
NPN
512
512
400
400
470
470
0.5
0.5
1
1
1.5
1.5
10
13
10
10
11
11
6.5
9.5
8
8
8
65 7.5 16 150
60 12.5 16 150
45 28 30 400
45 28 30 400
50 12.5 16 400
50 12.5 16 400
70
65
55
55
55
7.5
12.5
12.5
12.5
12.5
16
16
16
16
16
150
150
200
400
400
10 10
50 10
2
2
5
10
5
10
15
11
14
15
MRF5812, R1, R2 NPN 500
50 10 15.5 17.8 5000
15
18
20
15
5000
5000
1300
4500
2.2
1
2.5 50 10
90 15
17.8 5000
14.5 4500
MACRO X
MRF559
NPN 870 0.5
MACRO X
MRF559
NPN 870 0.5
SO-8
MRF8372,R1,R2 NPN 870 0.75
POWER MACRO
MRF557
NPN 870 1.5
POWER MACRO
MRF557T
NPN 870 1.5
MACRO X
MACRO X
MACRO T
MACRO T
MRF951
MRF571
BFR91
BFR90
NPN 1000 1.3
NPN 1000 2.5
NPN 1000
3
5
2
2
6
6
5
10
14
10
8
10
17
11
8000 0.45 10 100
8000
5000
1
1
1
10 70
12 35
15 30
NPN 1000 1.5 10
12.5 5000
TO-39
TO-39
MRF545
MRF544
PNP
NPN
14 1400
13.5 1500
RF (Low Power PA / General Purpose) Selection Guide
RF (LNA / General Purpose) Selection Guide
Low Cost RF Plastic Package Options
4
Macro T
Macro X
Power
SO-8
053-7030 Rev - 9-2002
Ccb(pF)
BVCEO
IC max (mA)
20 400
30 400
30 400
12 50
15 40
25 150
15 30
15 50
12 35
15 100
15 200
15 200
15 30
15 50
12 40
16 200
17 200
Pout (watts)
NF (dB)
NF IC (mA)
NF VCE
GN (dB)
Device
Freq (MHz)
Ftau (MHz)
GPE (dB)
GPE VCC
Package
BVCEO
Device
Type
Packag
Type
2
70 400
70 400
MRF951
PIN 1. COLLECTOR
2. EMITTER
3. BASE
4. EMITTER
1.
4.
2.
3.
053-7030 Rev - 9-2002
国产芯片交流
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
