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MRF581A

P1-P3P4-P6
Microsemi reserves the right to change, without notice, the specifications and information contained herein
Visit our website at www.microsemi.com or contact our factory direct.
MRF581
MRF581G
MRF581A
MRF581AG
C1, C4, C5, C6, C8, C9 — 1000 pF, Chip Capacitor C2, C3 — 1.0–10 pF, Johanson Capacitor
C7, C10 — 10 µF, Tantalum Capacitor R1 — 1.0 kΩ Res.
RFC — VK–200, Ferroxcube FB — Ferrite Bead, Ferroxcube, 56–590–65/3B
TL1, TL7, TL8 — Microstrip 0.162, x 0.600, TL2 — Microstrip 0.162, x 1.000,
TL3 — Microstrip 0.162, x 0.800, TL4 — Microstrip 0.162, x 0.440,
TL5 — Microstrip 0.120, x 0.440, TL6 — Microstrip 0.120, x 1.160,
TL9, TL10 — Microstrip 0.025, x 4.250,
Board Material — 0.0625, Thick Glass Teflon ε r = 2.55
Figure 1. Minimum Noise Figure and Gain @ Minimum Noise Figure.
Microsemi reserves the right to change, without notice, the specifications and information contained herein
Visit our website at www.microsemi.com or contact our factory direct.
MRF581
MRF581G
MRF581A
MRF581AG
Efficienc
y
(
%
)
GPE Fre
q
(
MHz
)
Fre
q
(
MHz
)
Gu Max (dB)
IC max (mA)
Package
Device
IC max
(
mA
)
RF
(
Low Power PA / General Pur
p
ose
)
Selection Guide
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
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 NPN4001 10452830400
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
SO-8 MRF4427, R2
N
PN 175 0.15 18 60 12 20 400
TO-39
2N4427
N
PN 175 1 10 50 12 20 400
POWER MACRO
MRF553
N
PN 175 1.5 11.5 60 12.5 16 500
POWER MACRO
MRF553T
N
PN 175 1.5 11.5 50 12.5 16 500
TO-39
MRF607
N
PN 175 1.75 11.5 50 12.5 16 330
TO-39
2N6255
N
PN 175 3 7.8 50 12.5 18 1000
TO-72
2N5179
N
PN 200 20 6 12 50
Pout
(
watts
)
GPE
(
dB
)
GPE VCC
BVCEO
T
yp
e
Packa
g
Device
T
yp
e
NF (dB)
NF IC (mA)
NF VCE
GN (dB)
Ftau (MHz)
Ccb(pF)
BVCEO
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
PN 13.5 1500 70 400
RF
(
LNA / General Pur
p
ose
)
Selection Guide
1
2
3
4
1
2
3
4
1
4
8
5
M
ac
r
o
X
P
o
w
e
r
Macro T
SO-8
RF Low Power PA, LNA, and General Purpose Discrete Selector Guide
Low Cost RF Plastic Package Options
Microsemi reserves the right to change, without notice, the specifications and information contained herein
Visit our website at www.microsemi.com or contact our factory direct.
MRF581
MRF581G
MRF581A
MRF581AG
PIN 1. COLLECTOR
2. EMITTER
3. BASE
4. EMITTER
1.
2.
3.
4.
P1-P3P4-P6

MRF581A

Mfr. #:
Buy MRF581A
Manufacturer:
Advanced Semiconductor, Inc.
Description:
RF Bipolar Transistors RF Transistor
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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