MRF557 Datasheet, PDF (1/6 Pages) Motorola, Inc – RF LOW POWER TRANSISTOR NPN SILICON

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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by MRF557/D
The RF Line
NPN Silicon
RF Low Power Transistor
Designed primarily for wideband large signal predriver stages in the
800 MHz frequency range.
• Specified @ 12.5 V, 870 MHz Characteristics
Output Power = 1.5 W
Minimum Gain = 8.0 dB
Efficiency 60% (Typ)
• Cost Effective PowerMacro Package
• Electroless Tin Plated Leads for Improved Solderability
• Circuit board photomaster available upon request by
contacting RF Tactical Marketing in Phoenix, AZ.
MRF557
1.5 W, 870 MHz
RF LOW POWER
TRANSISTOR
NPN SILICON
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Collector–Emitter Voltage
Collector–Base Voltage
VCEO
16
Vdc
VCBO
36
Vdc
Emitter–Base Voltage
VEBO
4.0
Vdc
Collector Current — Continuous
Total Device Dissipation @ TC = 75°C (1, 2)
Derate above 75°C
Storage Temperature Range
THERMAL CHARACTERISTICS
IC
400
mAdc
PD
3.0
Watts
40
mW/°C
Tstg
– 55 to +150
°C
CASE 317D–02, STYLE 2
Characteristic
Symbol
Max
Unit
Thermal Resistance, Junction to Case
R_θJC
25
°C/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(IC = 5.0 mAdc, IB = 0)
V(BR)CEO
16
—
—
Vdc
Collector–Emitter Breakdown Voltage
(IC = 5.0 mAdc, VBE = 0)
V(BR)CES
36
—
—
Vdc
Emitter–Base Breakdown Voltage
(IE = 0.1 mAdc, IC = 0)
V(BR)EBO
4.0
—
—
Vdc
Collector Cutoff Current
(VCE = 15 Vdc, VBE = 0, TC = 25°C)
ICES
—
—
0.1
mAdc
ON CHARACTERISTICS
DC Current Gain
(IC = 100 mAdc, VCE = 5.0 Vdc)
DYNAMIC CHARACTERISTICS
hFE
50
90
200
—
Output Capacitance
(VCB = 15 Vdc, IE = 0, f = 1.0 MHz)
Cob
—
3.5
5.0
pF
NOTES:
(continued)
1. TC, Case temperature measured on collector lead immediately adjacent to body of package.
2. The MRF557 PowerMacro must be properly mounted for reliable operation. AN938, “Mounting Techniques in PowerMacro Transistor,”
discusses methods of mounting and heatsinking.
REV 7
©MMOotoTrOolaR, OIncL.A19R95F DEVICE DATA
MRF557
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