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MRF2947 Datasheet, PDF (1/12 Pages) Motorola, Inc – LOW NOISE TRANSISTORS | |||
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MRF2947/D
The RF Line
NPN Silicon
Low Noise Transistors
Motorolaâs MRF2947 device contains two high performance, lowânoise NPN
silicon bipolar transistors. This device has two 941 die housed in the high
performance six leaded SCâ70ML package; yielding a 9 GHz current
gainâbandwidth product.
The RF performance at levels of 1 volt and 1 mA makes the MRF2947 well
suited for lowâvoltage, lowâcurrent, frontâend applications such as paging,
cellular, GSM, DECT, CT2 and other portable wireless systems. The MRF2947
is fully ionâimplanted with gold metallization and nitride passivation for
maximum device reliability, performance and uniformity.
⢠Low Noise Figure, NF = 1.5 dB (Typ) @ 1 GHz @ 5 mA
⢠High Current GainâBandwidth Product, ft = 9 GHz (Typ) @ 6 Volts, 15 mA
⢠Maximum Stable Gain, 18 dB @ 1 GHz @ 5 mA
⢠Output Third Order Intercept, OIP3 = +27 dBm
⢠Available in Tape and Reel Packaging Options:
T1 Suffix = 3,000 Units per 8 mm, 7 inch Reel
T2 Suffix = 3,000 Units per 8 mm, 7 inch Reel (reverse device
orientation in tape)
MRF2947AT1,T2
MRF2947RAT1,T2
ICmax = 50 mA
LOW NOISE
TRANSISTORS
CASE 419Bâ01, STYLES 16 & 17
SCâ70ML/SOTâ363
STYLE 16
STYLE 17
B1
C1 B1
C1
E2
E1 E1
E2
C2
B2 C2
B2
MRF2947AT1,T2
MRF2947RAT1,T2
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
CollectorâEmitter Voltage
VCEO
10
Vdc
CollectorâBase Voltage
EmitterâBase Voltage
Power Dissipation (1) TC = 75°C
Derate linearly above TC = 75°C @
VCBO
VEBO
PDmax
20
1.5
0.188
2.5
Vdc
Vdc
Watts
mW/°C
Collector Current â Continuous (2)
Maximum Junction Temperature
Storage Temperature
Thermal Resistance, Junction to Case
DEVICE MARKINGS
IC
TJmax
Tstg
RθJC
50
150
â 55 to +150
400
mA
°C
°C
°C/W
MRF2947AT1,T2 = WU
MRF2947RAT1,T2 = XR
(1) To calculate the junction temperature use TJ = PD x RθJC + TC. The case temperature is measured on collector lead adjacent to the package
body.
(2) IC â Continuous (MTBF > 10 years).
©MMOotoTrOolaR, OIncL.A19R97F DEVICE DATA
MRF2947AT1,T2 MRF2947RAT1,T2
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