140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
MRF557
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
Features
•
•
•
•
•
•
Specified @ 12.5 V, 870 MHz Characteristics
Output Power = 1.5 W
Minimum Gain = 8 dB
Efficiency 60% (Typ)
Cost Effective PowerMacro Package
Electroless Tin Plated Leads for Improved Solderability
MRF557G
* G Denotes RoHS Compliant, Pb Free Terminal Finish
Power Macro
Designed primarily for wideband large signal stages in
the UHF frequency range.
DESCRIPTION:
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
16
30
3.0
500
Unit
Vdc
Vdc
Vdc
mA
Thermal Data
P
D
Total Device Dissipation @ TC = 75
°C
Derate above 75
°C
3.0
40
Watts
mW/
°C
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
Rev A 9/2005
MRF557
MRF557G
ELECTRICAL SPECIFICATIONS (Tcase = 25
°
C)
STATIC
Symbol
Test Conditions
Min.
BV
CEO
BV
CES
BV
EBO
I
CES
HFE
Collector-Emitter Breakdown Voltage
(I
C
= 5 mAdc, I
B
= 0)
Collector-Emitter Sustaining Voltage
(I
C
= 5.0 mAdc, I
B
= 0)
Emitter-Base Breakdown Voltage
(I
E
= 0.1 mAdc, I
C
= 0)
Collector Cutoff Current
(V
CE
= 15 Vdc, V
BE
= 0 Vdc)
DC Current Gain
(I
C
= 100 mA, V
CE
= 5.0 Vdc) Both
16
30
3.0
-
50
Value
Typ.
-
-
-
-
-
Max.
-
-
-
5
200
Unit
Vdc
Vdc
Vdc
mA
-
DYNAMIC
Symbol
Test Conditions
Min.
C
OB
Output Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
-
Value
Typ.
---
Max.
5.5
Unit
pF
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
Rev A 9/2005
MRF557
MRF557G
FUNCTIONAL
Symbol
Power Gain
G
PE
Collector Efficiency
η
Test Conditions
Min.
Test Circuit-Figure 1
Pout = 1.5 W, VCE =12.5Vdc
f = 870 MHz
Test Circuit-Figure 1
Pout = 1.5 W, VCE =12.5Vdc
f = 870 MHz
Test Circuit-Figure 1
Pout = 1.5 W, VCE =12.5Vdc
f = 870 MHz
8
Value
Typ.
9
Max.
-
Unit
dB
55
60
-
%
ψ
Load Mismatch
VSWR
≥
10:1 All Phase Angles
No Degradation in Output Power
-
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
Rev A 9/2005
MRF557
MRF557G
RF Low Power PA, LNA, and General Purpose Discrete Selector Guide
GPE Freq (MHz)
Efficiency (%)
Gu Max (dB)
IC max (mA)
Ccb(pF)
BVCEO
IC max (mA)
3.5
20 400
30 400
30 400
1
1
3
12 50
15
40
25 150
Pout (watts)
Freq (MHz)
Package
NF (dB)
NF IC (mA)
NF VCE
Device
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
2N5109
MRF5943C
2N5179
2N2857
MRF517
NPN 200
NPN 200
NPN 200
NPN 300
NPN 300
3
10
15
15
15
6
6
15
12
15
17
13
1200
1300
900
1600
3.4 30
3.4 30
4.5 1.5
5.5
7.5
50
50
11.4 1000
MRF5943, R1, R2 NPN 200
5.5 4600
TO-72
TO-72
MACRO T
MACRO T
SO-8
MACRO X
Macro
TO-72
TO-72
MACRO X
TO-39
MRF904
2N6304
BFR91
BFR96
MRF581A
BFR90
BFY90
MRF914
MRF581
MRF586
NPN 450
NPN 450
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
NPN 500
1.5
5
1.9
2
2
2
2.4
2.5
2.5
3
5
2
2
10
50
50
2
2
5
6
5
5
10
10
10
5
10
10
15
11
14
15
11
11
14
14.5
15
18
20
15
4000
1400
500
5000
5000
1300
4500
Ftau (MHz)
GPE (dB)
GPE VCC
Package
GN (dB)
Device
BVCEO
Type
Type
1
1
1
2.6
15
15
12
30
50
35
16.5 5000
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
15 100
15 200
15 200
MRF5812, R1, R2 NPN 500
10 15.5 17.8 5000
1
15 30
15
12
50
40
2.5 50
17.8 5000
14.5 4500
2.2
16 200
17 200
90 15
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
12
15
70
35
30
NPN 1000 1.5 10
12.5 5000
TO-39
TO-39
MRF545
MRF544
PNP
NPN
14
1400
2
70 400
70 400
13.5 1500
RF (Low Power PA / General Purpose) Selection Guide
RF (LNA / General Purpose) Selection Guide
Low Cost RF Plastic Package Options
1
8
2
4
3
3
2
4
1
4
Macro T
Macro X
Power Macro
SO-8
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
Rev A 9/2005
MRF557
MRF557G
PACKAGE MECHANICAL DATA
PIN 1. COLLECTOR
2. EMITTER
3. BASE
4. EMITTER
1.
4.
2.
3.
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
Rev A 9/2005
嵌入式系统
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