140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
MRF5812, R1, R2
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
Features
•
•
•
•
Low Noise - 2.5 dB @ 500 MHZ
Associated Gain = 15.5 dB @ 500 MHz
Ftau - 5.0 GHz @ 10v, 75mA
Cost Effective SO-8 package
SO-8
R1 suffix–Tape and Reel, 500 units
R2 suffix–Tape and Reel, 2500 units
DESCRIPTION:
Designed for high current, low power, low noise, amplifiers up to 1.0 GHz.
ABSOLUTE MAXIMUM RATINGS
(Tcase = 25
°
C)
Symbol
V
CEO
V
CBO
V
EBO
I
C
Parameter
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Value
15
30
2.5
200
Unit
Vdc
Vdc
Vdc
mA
Thermal Data
P
D
Total Device Dissipation @ TC = 25ºC
Derate above 25ºC
1.25
10
Watts
mW/ ºC
PRELIMINARY
MRF581/MRF581A.PDF
3-10-99
MRF5812, R1, R2
ELECTRICAL SPECIFICATIONS (Tcase = 25
°
C)
STATIC
(off)
Symbol
BVCEO
BVCBO
BVEBO
ICBO
IEBO
Test Conditions
Min.
Collector-Emitter Breakdown Voltage
(IC = 5.0 mAdc, IB = 0)
Collector-Base Breakdown Voltage
(IC = 1.0 mAdc, IE = 0)
Emitter-Base Breakdown Voltage
(IE = 0.1 mAdc, IC = 0)
Collector Cutoff Current
(VCE = 15 Vdc, VBE = 0 Vdc)
Collector Cutoff Current
(VCE = 2.0 Vdc, VBE = 0 Vdc)
15
30
2.5
-
-
Value
Typ.
-
-
-
-
-
Max.
-
-
-
0.1
0.1
Unit
Vdc
Vdc
Vdc
mA
mA
(on)
HFE
DC Current Gain
(IC = 50 mAdc, VCE = 5.0 Vdc)
50
200
DYNAMIC
Symbol
COB
Ftau
Test Conditions
Min.
Output Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Current-Gain Bandwidth Product
(IC = 75 mAdc, VCE = 10 Vdc, f = 1.0 GHz)
-
-
Value
Typ.
1.4
5.0
Max.
2.0
-
Unit
pF
GHz
PRELIMINARY
MRF581/MRF581A.PDF
3-10-99
MRF5812, R1, R2
FUNCTIONAL
Symbol
Test Conditions
Min.
NFmin
Minimum Noise Figure
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz)
Power Gain @ Nfmin
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz)
Maximum Unilateral Gain (1)
IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz
Maximum Stable Gain
IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz
Insertion Gain
IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz
-
13
-
-
-
Value
Typ.
2.0
15.5
17.8
20
15
-
-
-
Max.
3.0
Unit
dB
dB
dB
dB
dB
G
G
NF
U max
MSG
|S
21
|
2
Table 1. Common Emitter S-Parameters, @ VCE = 10 V, IC = 50 mA
f
S11
(MHz)
100
300
500
1000
2000
3000
|S11|
.579
.593
.598
.592
.615
.691
∠φ
-141
-173
175
158
115
72
S21
|S21|
24
8.93
5.14
2.64
1.55
1.10
∠φ
107
85
74
52
20
-5
S12
|S12|
.024
.045
.066
.132
.310
.518
∠φ
49
66
69
72
63
41
S22
|S22|
.397
.233
.248
.347
.531
.648
∠φ
-76
-103
-110
-119
-141
-172
PRELIMINARY
MRF581/MRF581A.PDF
3-10-99
MRF5812, R1, R2
RF Low Power PA, LNA, and General Purpose Discrete Selector Guide
GPE Freq (MHz)
(MHz)
Pout (watts)
Efficiency (%)
IC max (mA)
Gu Max (dB)
Ccb(pF)
BVCEO
IC max (mA)
3.5
20
30
30
1
1
3
1
1
1
2.6
12
15
25
15
15
12
15
15
15
1
15
15
12
16
2.2
0.45
1
1
1
17
10
10
12
15
400
400
400
50
40
150
30
50
35
100
200
200
30
50
40
200
200
100
70
35
30
Freq (MHz)
SO-8
TO-39
POWER MACRO
POWER MACRO
TO-39
TO-39
TO-72
MA C R O X
MA C R O X
TO-39
SO-8
P O W ER MA C R O
P O W ER MA C R O
MA C R O X
MA C R O X
SO-8
P O W ER MA C R O
P O W ER MA C R O
MRF4427, R2
2N4427
MRF553
MRF553T
MRF607
2N6255
2N5179
MRF559
MRF559
2N3866A
MRF555
MRF555T
MRF559
MRF559
MRF8372,R1,R2
MRF557
MRF557T
NPN 175
NPN 175
NPN 175
NPN 175
NPN 175
NPN 175
NPN 200
NPN 5 1 2
NPN 5 1 2
NPN 4 0 0
NPN 4 7 0
NPN 4 7 0
NPN 8 7 0
NPN 8 7 0
NPN 8 7 0
NPN 8 7 0
NPN 8 7 0
0.15
1
1.5
1.5
1.75
3
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
20
16
16
16
18
12
16
16
30
30
16
16
16
16
16
16
16
400
400
500
500
330
1000
50
150
150
400
400
400
400
150
150
200
400
400
TO-39
TO-39
SO-8
TO-72
TO-72
TO-39
TO-72
TO-72
MACRO T
2N5109
MRF5943C
MRF5943, R1, R2
2N5179
2N2857
MRF517
MRF904
2N6304
BFR91
BFR96
MRF5812, R1, R2
MRF581A
BFR90
BFY90
MRF914
MRF581
MRF586
MRF951
MRF571
BFR91
BFR90
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
200
200
200
200
300
300
450
450
500
500
500
500
500
500
500
500
500
1000
1000
1000
1000
NF (dB)
NF IC (mA)
NF VCE
GNF (dB)
Package
Device
3
3.4
3.4
4.5
5.5
7.5
1.5
5
1.9
2
2
2
2.4
2.5
2.5
2.5
3
1.3
1.5
2.5
3
10
30
30
1.5
50
50
5
2
2
10
50
50
2
2
5
50
90
5
10
2
2
15
15
15
6
6
15
6
5
5
10
10
10
10
5
10
10
15
6
6
5
10
15
11
14
10
8
10
15.5
14
15
11
12
11.4
15
17
13
5.5
11
14
16.5
14.5
17.8
15
18
20
15
17.8
14.5
17
1200
1000
1300
900
1600
4600
4000
1400
5000
500
5000
5000
5000
1300
4500
5000
4500
8000
8000
0.5
0.5
1
1
1.5
1.5
0.5
0.5
0.75
1.5
1.5
10
13
10
10
11
11
6.5
9.5
8
8
8
65
60
45
45
50
50
70
65
55
55
55
7.5
12.5
28
28
12.5
12.5
7.5
12.5
12.5
12.5
12.5
MACRO T
SO-8
MACRO X
Macro
TO-72
TO-72
MACRO X
TO-39
MACRO X
MACRO X
MACRO T
MACRO T
M R F 3 8 6 6 , R 1 , R 2 NPN 4 0 0
11
12.5
5000
5000
TO-39
TO-39
MRF545
MRF544
PNP
NPN
14
13.5
1400
1500
Ftau (MHz)
GPE (dB)
GPE VCC
Package
Device
BVCEO
Type
Type
2
70 400
70
400
RF (Low Power PA / General Purpose) Selection Guide
RF (LNA / General Purpose) Selection Guide
1
1
2
3
4
4
3
3
2
1
4
1
8
RF Low Pow
PRELIMINARY
MRF581/MRF581A.PDF
3-10-99
MRF5812, R1, R2
PIN 1. EMITTER
2. COLLECTOR
3. COLLECTOR
4. EMITTER
5. EMITTER
6. BASE
7. BASE
8. EMITTER
8.
5.
1.
4.
PRELIMINARY
MRF581/MRF581A.PDF
3-10-99
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