MICROSEMI MRF544

140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
MRF544
RF & MICROWAVE DISCRETE
LOW POWER TRANSISTORS
Features
•
Silicon NPN, high Frequency, high breakdown, To-39 packaged,
Transistor
•
Maximum Unilateral Gain = 13.5 dB (typ) @ f = 200 MHz
•
High Collector Base Breakdown Voltage - BVCBO = 100 V (min)
•
High FT - 1400 MHz
1. Emitter
2. Base
3. Collector
TO-39
DESCRIPTION:
Designed primarily for use in high frequency and medium and high resolution color video display monitors as well as other
applications requiring high breakdown characteristics.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symbol
VCEO
Parameter
Collector-Emitter Voltage
Value
70
Unit
Vdc
VCBO
Collector-Base Voltage
100
Vdc
VEBO
Emitter-Base Voltage
3.0
Vdc
IC
Collector Current
400
mA
3.5
20
Watts
mW/ ºC
Thermal Data
P
D
Total Device Dissipation @ TA = 25ºC
Derate above 25ºC
MSC1314.PDF 10-25-99
MRF544
ELECTRICAL SPECIFICATIONS (Tcase = 25°C)
STATIC
(off)
Symbol
BVCEO
BVCBO
BVEBO
ICBO
ICES
Test Conditions
Value
Min.
Typ.
Max.
Unit
Collector-Emitter Breakdown Voltage
(IC = 1.0 mAdc, IB = 0)
70
-
-
Vdc
Collector-Base Breakdown Voltage
(IC= 100 µAdc, IE=0)
100
-
-
Vdc
Emitter-Base Breakdown Voltage
(IE = 100 µAdc, IC = 0)
3.0
-
-
Collector Cutoff Current
(VCE = 80 Vdc, IE = 0 Vdc)
-
-
20
µA
Collector Cutoff Current
(VCE = 80 Vdc, IE = 0 Vdc)
-
1.0
100
µA
15
-
-
-
Vdc
(on)
HFE
DC Current Gain
(IC = 50 mAdc, VCE = 6.0 Vdc)
DYNAMIC
Symbol
Test Conditions
Value
Min.
Typ.
Max.
Unit
COB
Output Capacitance
(VCB = 10Vdc, IE=0, f=1 MHz)
-
2.5
-
pF
CIB
Input Capacitance
(VEB = 3Vdc, IE=0, f=1 MHz)
-
6.1
-
pF
1000
1500
-
MHz
fT
Current-Gain - Bandwidth Product
(IC = 50 mAdc, VCE = 10 Vdc, f = 250 MHz)
MSC1314.PDF 10-25-99
MRF544
FUNCTIONAL
Symbol
G
U max
MAG
2
|S21|
Test Conditions
Maximum Unilateral Gain
Maximum Available Gain
Insertion Gain
Value
Min.
Typ.
Max.
Unit
IC = 50 mAdc, VCE = 25Vdc,
f = 200 MHz
-
13.5
-
dB
IC = 50 mAdc, VCE = 25Vdc,
f = 200 MHz
-
13.5
-
dB
IC = 50 mAdc, VCE = 25Vdc,
f = 200 MHz
11.7
12.7
-
dB
Table 1. Common Emitter S-Parameters, @ VCE = 25 V, IC = 50 mA
f
S11
S21
S12
S22
100
|S11|
0.221
∠φ
-143
|S21|
8.54
∠φ
97
|S12|
0.047
∠φ
82
|S22|
0.508
∠φ
14
200
0.219
-108
4.36
87
0.091
87
0.413
49
300
0.250
-72
2.98
79
0.141
87
0.406
82
400
0.329
-34
2.39
72
0.178
84
0.445
108
500
0.338
9
2.11
70
0.237
87
0.409
140
600
0.348
51
1.83
65
0.292
86
0.412
176
700
0.371
94
1.61
61
0.35
86
0.411
-147
800
0.374
140
1.44
59
0.383
85
0.413
-112
900
0.402
-170
1.45
63
0.428
88
0.386
-78
1000
0.438
-126
1.56
64
0.503
86
0.405
-42
(MHz)
MSC1314.PDF 10-25-99
MRF544
MSC1314.PDF 10-25-99