140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
BFR91
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
BFR91G
* G Denotes RoHS Compliant, Pb Free Terminal Finish
Features
•
•
•
High Current-Gain – Bandwidth Product, fT = 5 GHz (typ) @ IC = 30 mA
Low Noise Figure – NF = 1.9 dB (typ) @ f = 0.5 GHz, 2.5 dB (typ) @ 1GHz
High Power Gain – Gmax = 16 dB (typ) @ f = 0.5 GHz, 10.9dB (typ) @ 1GHz
Macro T
(STYLE #2)
DESCRIPTION:
Designed primarily for use in high-gain, low noise, small-signal amplifiers. Also used in
applications requiring fast switching times.
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
12
15
3.0
35
Unit
Vdc
Vdc
Vdc
mA
Thermal Data
P
D
Total Device Dissipation @ TA = 60ºC
Derate above 60ºC
Storage Temperature
-65 to +150
ºC
ºC/W
Total Device Dissipation @ TA = 60ºC
Derate above 60ºC
180
2.0
mWatts
mW/
ºC
Tstg
R
θ
JA
500
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
BFR91
BFR91G
ELECTRICAL SPECIFICATIONS (Tcase = 25
°
C)
STATIC
(off)
Symbol
BVCEO
BVCB0
BVEBO
ICBO
Test Conditions
Collector-Emitter Breakdown Voltage
(IC = 1.0 mAdc, IB = 0)
Collector-Base Breakdown Voltage
(IC = 0.1 mAdc, IE = 0)
Emitter-Base Breakdown Voltage
(IE = 0.1 mAdc, IC = 0)
Collector Cutoff Current
(VCB = 5.0 Vdc, VBE = 0 Vdc)
Value
Min.
12
15
3.0
-
Typ.
-
-
-
-
Max.
-
-
-
50
Unit
Vdc
Vdc
Vdc
nA
(on)
HFE
DC Current Gain
(IC = 30 mAdc, VCE = 5.0 Vdc)
25
-
250
-
DYNAMIC
Symbol
Ftau
CCB
Test Conditions
Current-Gain – Bandwidth Product
(IC = 30 mA, VCE = 5.0 Vdc, f = 0.5 GHz)
Output Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Value
Min.
-
-
Typ.
5.0
0.7
Max.
-
1.0
Unit
GHz
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
BFR91
BFR91G
FUNCTIONAL
Symbol
NF
Test Conditions
Noise Figure
(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)
(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)
Power Gain at Optimum Noise Figure
(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)
(IC = 2.0 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)
Insertion Gain
(IC = 30 mAdc, VCE = 5.0 Vdc, f = 0.5 GHz)
(IC = 30 mAdc, VCE = 5.0 Vdc, f = 1.0 GHz)
Maximum Stable Gain
(IC = 30 mAdc, VCE = 5.0 Vdc, f
(IC = 30 mAdc, VCE = 5.0 Vdc, f
Maximum Unilateral Gain (1)
(IC = 30 mAdc, VCE = 5.0 Vdc, f
(IC = 30 mAdc, VCE = 5.0 Vdc, f
Value
Min.
-
Typ.
1.9
2.5
11
8.0
15.5
10.2
Max.
-
Unit
dB
GNF
|S
21
|
2
-
-
dB
14.5
-
dB
MSG
= 0.5 GHz)
= 1.0 GHz)
= 0.5 GHz)
= 1.0 GHz)
-
18.6
12.9
16.5
10.9
-
dB
G
U max
-
-
dB
Table 1. Common Emitter S-Parameters, @ VCE = 5.0 V, IC = 30 mA
f
S11
S21
S12
S22
(MHz)
100
200
300
500
700
800
1000
1500
|S11|
0.258
0.290
0.298
0.305
0.302
0.304
0.304
0.256
∠φ
-115
-149
-164
-179
170
166
158
134
|S21|
25.77
14.66
10.05
6.18
4.5
3.98
3.24
2.3
∠φ
123
103
94
84
77
73
67
54
|S12|
0.021
0.038
0.054
0.085
0.117
0.133
0.166
0.24
∠φ
76
74
75
75
73
72
70
65
|S22|
0.536
0.384
0.311
0.264
0.256
0.257
0.251
0.263
∠φ
-33
-43
-45
-49
-52
-54
-57
-69
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
BFR91
BFR91G
RF Low Power PA, LNA, and General Purpose RF Discrete Selector Guide
GPE Freq (MHz)
Efficiency (%)
IC max (mA)
Gu Max (dB)
Ccb(pF)
BVCEO
IC max (mA)
3.5
20 400
30 400
30 400
1
1
3
1
1
1
2.6
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
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
15
15
6
6
15
6
5
5
10
10
10
5
10
10
15
15
11
14
15
11
12
15
17
13
1200
1300
900
1600
3.4 30
3.4 30
4.5 1.5
5.5
7.5
1.5
5
1.9
2
2
2
2.4
2.5
2.5
3
11.4 1000
MRF5943, R1, R2 NPN 200
Ftau (MHz)
GPE (dB)
GPE VCC
Package
Type
GN (dB)
Device
BVCEO
Type
12 50
15
40
25 150
15
15
12
30
50
35
50
50
5
2
2
10
50
50
2
2
5
90
5.5 4600
11
14
4000
1400
16.5 5000
14.5 500
15
18
20
15
5000
5000
1300
4500
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
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
1
4
3
2
4
3
1
2
3
8
1
5
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
BFR91
BFR91G
PIN 1. COLLECTOR
2. EMITTER
3. BASE
1.
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
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