MRF544 Microsemi Power Products Group, MRF544 Datasheet - Page 2

• Manufacturer Part Number: MRF544
• Description: TRANS NPN 70V 400MA TO-39
• Manufacturer: Microsemi Power Products Group

Specifications of MRF544

• Transistor Type: NPN
• Voltage - Collector Emitter Breakdown (max): 70V
• Frequency - Transition: 1.5GHz
• Gain: 13.5dB
• Power - Max: 3.5W
• Dc Current Gain (hfe) (min) @ Ic, Vce: 15 @ 50mA, 6V
• Current - Collector (ic) (max): 400mA
• Mounting Type: Through Hole
• Package / Case: TO-39
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure (db Typ @ F): -
• Other names: MRF544MI; MRF544MI

Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
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ELECTRICAL SPECIFICATIONS (Tcase = 25
STATIC
(off)
DYNAMIC
(on)
Symbol
Symbol
BVCEO
BVCBO
BVEBO
ICBO
ICES
COB
HFE
CIB
f
T
Collector-Emitter Breakdown Voltage
(IC = 1.0 mAdc, IB = 0)
Collector-Base Breakdown Voltage
(IC= 100 µAdc, IE=0)
Emitter-Base Breakdown Voltage
(IE = 100 µAdc, IC = 0)
Collector Cutoff Current
(VCE = 80 Vdc, IE = 0 Vdc)
Collector Cutoff Current
(VCE = 80 Vdc, IE = 0 Vdc)
DC Current Gain
(IC = 50 mAdc, VCE = 6.0 Vdc)
Output Capacitance
(VCB = 10Vdc, IE=0, f=1 MHz)
Input Capacitance
(VEB = 3Vdc, IE=0, f=1 MHz)
Current-Gain - Bandwidth Product
(IC = 50 mAdc, VCE = 10 Vdc, f = 250 MHz)
Test Conditions
Test Conditions
°
C)
1000
Min.
Min.
100
3.0
70
15
-
-
-
-
Value
Value
1500
Typ.
Typ.
1.0
2.5
6.1
-
-
-
-
-
MRF544
Max.
Max.
100
20
-
-
-
-
-
-
-
MHz
Unit
Unit
Vdc
Vdc
Vdc
µA
µA
pF
pF
-