Page 1
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
140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
MRF5812, R1, R2
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 Parameter Value Unit
V
CEO
V
CBO
V
EBO
I
C
Collector-Emitter Voltage 15 Vdc
Collector-Base Voltage 30 Vdc
Emitter-Base Voltage 2.5 Vdc
Collector Current 200 mA
Thermal Data
P
D
Total Device Dissipation @ TC = 25ºC
Derate above 25ºC
1.25
10
Watts
mW/ ºC
MSC1319.PDF 10-25-99
Page 2
MRF5812, R1, R2
ELECTRICAL SPECIFICATIONS (Tcase = 25°C)
STATIC
(off)
Symbol Test Conditions Value
Min. Typ. Max. Unit
BVCEO Collector-Emitter Breakdown Voltage
(IC = 5.0 mAdc, IB = 0) 15 - - Vdc
BVCBO Collector-Base Breakdown Voltage
(IC = 1.0 mAdc, IE = 0) 30 - - Vdc
BVEBO Emitter-Base Breakdown Voltage
(IE = 0.1 mAdc, IC = 0) 2.5 - - Vdc
ICBO Collector Cutoff Current
(VCE = 15 Vdc, VBE = 0 Vdc) - - 0.1 mA
IEBO Collector Cutoff Current
(VCE = 2.0 Vdc, VBE = 0 Vdc) - - 0.1 mA
(on)
DYNAMIC
HFE DC Current Gain
(IC = 50 mAdc, VCE = 5.0 Vdc) 50 200
Symbol Test Conditions Value
Min. Typ. Max. Unit
COB Output Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Ftau Current-Gain Bandwidth Product
(IC = 75 mAdc, VCE = 10 Vdc, f = 1.0 GHz)
-
-
1.4 2.0 pF
5.0 - GHz
MSC1319.PDF 10-25-99
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MRF5812, R1, R2
FUNCTIONAL
Symbol Test Conditions Value
Min. Typ. Max. Unit
Minimum Noise Figure
NFmin
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz) - 2.0 3.0 dB
G
NF
G
U max
MSG Maximum Stable Gain
|S21|
Power Gain @ Nfmin
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz) 13 15.5 dB
Maximum Unilateral Gain (1)
IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz - 17.8
IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz - 20
2
Insertion Gain
IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz - 15 - dB
-
-
Table 1. Common Emitter S-Parameters, @ VCE = 10 V, IC = 50 mA
(MHz) |S11|
100 .579 -141 24 107 .024 49 .397 -76
300 .593 -173 8.93 85 .045 66 .233 -103
500 .598 175 5.14 74 .066 69 .248 -110
1000 .592 158 2.64 52 .132 72 .347 -119
2000 .615 115 1.55 20 .310 63 .531 -141
3000 .691 72 1.10 -5 .518 41 .648 -172
∠ φ
|S21|
∠ φ
|S12|
∠ φ
|S22|
dB
dB
∠ φ
MSC1319.PDF 10-25-99
Page 4
Efficiency (%)
GPE Freq (MHz)
(MHz)
Freq (MHz)
Gu Max (dB)
IC max (
Package
Device
IC max (mA)
RF (Low Power PA / General Purpose) Selection Guide
Pout (watts)
GPE (dB)
GPE VCC
BVCEO
Type
Package
Device
Type
NF (dB)
NF IC (
NF VCE
GNF (dB)
Ftau (MHz)
Ccb
BVCEO
RF (LNA / General Purpose) Selection Guide
RF Low Power PA, LNA, and General Purpose Discrete Selector GuideRF Low Power PA, LNA, and General Purpose Discrete Selector Guide
MRF5812, R1, R2
SO-8 MRF4427, R2 NPN 175 0.15 18 60 12 20 400
TO-39 2N4427 NPN 175 1 10 50 12 20 400
POWER MACRO MRF553 NPN 175 1.5 11.5 60 12.5 16 500
POWER MACRO MRF553T NPN 175 1.5 11.5 50 12.5 16 500
TO-39 MRF607 NPN 175 1.75 11.5 50 12.5 16 330
TO-39 2N6255 NPN 175 3 7.8 50 12.5 18 1000
TO-72 2N5179 NPN 200 20 6 12 50
MACRO X MRF559 NPN 512 0.5 10 65 7.5 16 150
MACRO X MRF559 NPN 512 0.5 13 60 12.5 16 150
TO-39 2N3866A NPN 400 1 10 45 28 30 400
SO-8 MRF3866, R1, R2 NPN 400 1 10 45 28 30 400
POWER MACRO MRF555 NPN 470 1.5 11 50 12.5 16 400
POWER MACRO MRF555T NPN 470 1.5 11 50 12.5 16 400
MACRO X MRF559 NPN 870 0.5 6.5 70 7.5 16 150
MACRO X MRF559 NPN 870 0.5 9.5 65 12.5 16 150
SO-8 MRF8372,R1,R2 NPN 870 0.75 8 55 12.5 16 200
POWER MACRO MRF557 NPN 870 1.5 8 55 12.5 16 400
POWER MACRO MRF557T NPN 870 1.5 8 55 12.5 16 400
mA)
(pF)
TO-39 2N5109 NPN 200 3 10 15 12 1200 3.5 20 400
TO-39 MRF5943C NPN 200 3.4 30 15 11.4 1000 30 400
SO-8 MRF5943, R1, R2 NPN 200 3.4 30 15 15 1300 30 400
TO-72 2N5179 NPN 200 4.5 1.5 6 17 900 1 12 50
TO-72 2N2857 NPN 300 5.5 50 6 13 1600 1 15 40
TO-39 MRF517 NPN 300 7.5 50 15 5.5 4600 3 25 150
TO-72 MRF904 NPN 450 1.5 5 6 11 4000 1 15 30
TO-72 2N6304 NPN 450 5 2 5 14 1400 1 15 50
MACRO T BFR91 NPN 500 1.9 2 5 11 16.5 5000 1 12 35
MACRO T BFR96 NPN 500 2 10 10 14.5 500 2.6 15 100
SO-8 MRF5812, R1, R2 NPN 500 2 50 10 15.5 17.8 5000 15 200
MACRO X MRF581A NPN 500 2 50 10 14 15 5000 15 200
Macro BFR90 NPN 500 2.4 2 10 15 18 5000 1 15 30
TO-72 BFY90 NPN 500 2.5 2 5 20 1300 15 50
TO-72 MRF914 NPN 500 2.5 5 10 15 4500 12 40
MACRO X MRF581 NPN 500 2.5 50 10 15 17.8 5000 16 200
TO-39 MRF586 NPN 500 3 90 15 11 14.5 4500 2.2 17 200
MACRO X MRF951 NPN 1000 1.3 5 6 14 17 8000 0.45 10 100
MACRO X MRF571 NPN 1000 1.5 10 6 10 8000 1 10 70
MACRO T BFR91 NPN 1000 2.5 2 5 8 11 5000 1 12 35
MACRO T BFR90 NPN 1000 3 2 10 10 12.5 5000 1 15 30
TO-39 MRF545 PNP 14 1400 2 70 400
TO-39 MRF544 NPN 13.5 1500 70 400
mA)
MSC1319.PDF 10-25-99
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MRF5812, R1, R2
PIN 1. EMITTER
2. COLLECTOR
3. COLLECTOR
4. EMITTER
8.
1.
5.
4.
5. EMITTER
6. BASE
7. BASE
8. EMITTER
MSC1319.PDF 10-25-99
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