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Transistor Specifications
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(This page is for reference only. Transistors listed here may or may not be available through RF Parts Co.)
RF Power MOSFETS | HF Transistors | UHF Transistors | Back to Transistors Home
RF POWER MOSFETS
—N Channel
Device Pout Watts Pin Watts Gps/Freq.

dB/MHz		 Package/Style
To 54 MHz HF/SSB
VDD=12.5 Volts
MRF255 55 1.2 16/54 211-11
 
To 150 MHz HF/SSB
VDD=28 Volts
MRF138 30 0.5 17 211-07/2
MRF140 150 4.7 15 211-11/2
VDD=50 Volts
MRF148 30 0.5 18 211-07/2
MRF150 150 2.9 17 211-11/2
MRF154 600 12 17 368-02/2
MRF157 600 6 20 368-02/2
 
To 225 MHz AM/FM
VDD=28 Volts
MRF134 5 0.2 14/150 211-07/2
MRF136 15 0.38 16/150 211-07/2
MRF166 20 0.5 16/150 211-07/2
MRF137 30 0.75 16/150 211-07/2
MRF171 45 1.4 15/150 211-07/2
VDD=50 Volts
MRF151 150 7.5 13/175 211-11/2
MRF176GV 200 4 17/225 375-03/2
MRF151G 300 7.5 16/175 375-03/2
 
To 500 MHz UHF AM/FM
VDD=28 Volts
MRF158 2 .02 20/400  
MRF161 5 0.4 13.5/400 244-04/3
MRF162 15 0.65 13.6/400 244-04/3
MRF166C 20 0.4 17/400 319-06/3
MRF166W 20 0.4 17/400 412-01/1
MRF163 25 1.6 12/400 244-04/3
MRF166 40 4 10/400 211-11
MRF175GU 150 9.5 12/400 375-021/2
MRF177 100 6.4 12/400 744A-021/2
MRF177M 100 6.4 12/400 390A-01/1
VDD=50 Volts
MRF176GU 150 6 14/400 375-03/2
 
HF Transistors
Device Pout Watts Pin Watts GPE(Min)

dB @ 30 MHz		 Package/Style
1.5–30 MHz, HF/SSB
VCC=12.5 or 13.6 Volts
MRF476 3 0.1 15 221A-04/1
MRF475 12 1.2 10 221A-04/1
MRF433 12.5 0.125 20 211-07
2SC3133 13 0.5 14 221A-04/2
MRF406 20 1.25 12 211-04/2
SD1285 30 0.8 15 211-07
MRF477 40 1.25 15 221A-04/2
MRF460 60 4 11 211-11
MRF412 70 1.6 16 211-11
2SC2097 75 4 13 316-01
2SC3241 75 4 12 211-11
2SC2290 80 4 13 211-11
MRF458 80 4 12 211-11
2SC2904 100 7 12 316-01
2SC3240 100 7 12 211-11
2SC3908 100 7 12 316-01
SD1487 100 5 12 211-11
SD1405 100 5 13 211-11
MRF421 100 10 10 211-11
SRF3662 110 10 11 211-11
2SC2879 120 7 15 211-11
VCC=28 Volts
MRF485 15 1.5 10 211A-04/1
MRF426 25 .16 22 211A-07
MRF426A 25 .10 22 145A-09
MRF401 25 1.25 13 145A-09
MRF466 40 1.25 15 211-07
MRF496 40 1.25 15 221A-04/2
MRF464 80 2.53 15 211-11
SD1407 100 2.5 16 211-11
SD1726 150 6 14 211-11
MRF422 150 15 10 211-11
VCC=50 Volts
MRF427 25 0.4 18 211-11
MRF428 150 7.5 13 211-11
MRF429 150 7.5 13 211-11
MRF448 250 15.7 12 211-11
 
14–30 MHz, CB/AMATEUR
VCC=12.5 or 13.6 Volts
MRF476 3 0.1 15 221A-04/1
MRF475 4 0.4 10 221A-04/1
MRF449 30 1.5 13 211-07
MRF449A 30 1.5 13 145A-09
MRF453 60 4 11 211-11
MRF455 60 3 11 211-07
SRF2072 65 3 14 211-07
SRF7000-90 70 3 14 211-07
SRF3775 70 3 14 211-07
MRF458 80 3 13 211-11
MRF454 80 5 12 211-11
MRF492 90 4 13 211-11
SD1446 90 5 13 211-07
SRF3749 85 5 13 211-11
SRF3795 90 5 13 211-11
SRF3800 100 4 14 211-11
 
Device Pout Watts Pin Watts GPE(Min)
dB @ 50 MHz		 Package/Style
27–50 MHz, LOW FM BAND
VCC=12.5 or 13.6 Volts
MRF475 4 0.4 10 221A-04/1
MRF497 40 4 10 221A-04/2
SD1446 70 7 10 211-07
MRF492 70 5.6 11 211-11/1
MRF492A 70 5.6 11 145-10
SRF3800 80 5.6 12 211-11
SD1405 100 20 7 211-11
 
66–88 MHz BAND
VCC=12.5 Volts
MRF229 1.5 0.15 10/90 79-05/5
MRF232 7.5 0.8 9/90 145A-09
MRF233 15 1.5 10/90 145A-09
MRF234 25 2.8 9.5/90 145A-09/1
 
Device Pout Watts Pin Watts GPE(Min)/Freq.

dB/MHz		 Package/Style
88–108 MHz FM BROADCAST
VCC=28 Volts
SD1460 150 18 9.2/108 211-11
 
30–200 MHz BAND
VCC=28 Volts
MRF475 4 0.4 10 221A-04/1
2N3553 2.5 0.25 10/175 79-04/1
2N5641 7 1 8.4/175 144B-05/1
MRF340 8 0.4 13/136 221A-04/2
2N5642 20 3 8.2/175 145A-09/1
MRF314 30 3 10/150 211-07/1
MRF314A 30 3 10/150 145A-09/1
2N5643 40 6.9 7.6/175 145A-09/1
MRF315 45 5.7 9/150 211-07/1
MRF315A 45 5.7 9/150 145A-09/1
MRF316 80 8 10/150 316-01/1
MRF317 100 12.5 9/150 316-01/1
 
100–500 MHz BAND
VCC=28 Volts
MRF313 1 0.03 15/400 305A-01/1
MRF321 10 0.62 12/400 244-04/1
MRF323 20 2 10/400 244-04/1
MRF338 80 12 7.3/470 333-03
MRF393(6) 100 18 7.5/500 744-01/1
2N6986(6) 100 18 7.5/500 382-01/1
(6)=Internal Impedance Matched Push-Pull Transistors
 
806–960 MHz BAND
VCC=12.5 Volts–Class C
MRF559 0.5 0.08 8/870 317-01/2
MRF581 0.6 0.06 10/870 317-01/2
MRF837 0.75 0.11 8/870 317-01/1
MRF557 1.5 0.23 8/870 317D-02/2
MRF839 3 0.46 8 305A-01
MRF839F 3 0.46 8/870 319-06/2
MRF841 5 0.7 8.5 244-04
MRF840 10 2.5 6 319-06
MRF846 40 15 4.3/870 319-06/1
MRF847 45 16 4.5/870 319-06/1
VCC=50 Volts–Class C
MRF1035MB 35 3.5 10 332A-03/1
MRF1091MA 90 9 10 332-04/1
MRF1090MB 90 9 10 332A-03/1
MRF1150MA 150 25 7.8 332-04/1
MRF1150MB 150 25 7.8 332A-03/1
 
Device Pout Watts Pin Watts GPE (Min)

dB @ 400 MHz		 Package/Style
100–400 MHz BAND
VCC=28 Volts
2N3866 1 0.1 10 79-04/1
MRF5174 2 0.125 12 244-04/1
2SC3375 3 1 4.8/400 36-03
MRF5175 5 0.4 11 244-04/1
MRF325 30 4.3 8.5 316-01/1
MRF326 40 8 9 316-01/1
JO2015A 50 5 10 316-01/1
MRF309 50 21 7 316-01/1
MRF327 80 14.9 7.3 316-01/1
MRF329 100 20 7 333-04/1
MRF392 125 19.8 8 744A-01/1
2N6985(6) 125 19.8 8 382-01/1
(6)=Internal Impedance Matched Push-Pull Transistors
 
Device Pout Watts Pin Watts GPE (Min)

dB @ 175 MHz		 Package/Style
136–174 MHz BAND
VCC=12.5 Volts
MRF234 25 2.8 9.5/90 145A-09/1
2N4427 1 0.1 10 79-04/1
2SC1970 1.3 0.1 10 221A-04/2
MRF607 1.75 0.12 11.5 79-04/1
2N5589 3 0.35 9 144-B05
2N6255 3 0.8 7.8 19-02
MRF220 4 0.25 12 211-07/1
MRF237 4 0.25 12 79-05/5
2N6080 4 0.10 12 145A-09
MRF260 5 0.5 10 221A-04/2
2SC1971 7 0.6 10 221A-04/2
2SC2237 7.5 0.3 138 T31E
2N5590 10 3.0 5.2 145A-09
MRF261 10 3.0 5.2 10-220
MRF212 10 1.25 9 145A-09
SD1143 10 1 10 145A-09
2N6081 15 3.5 6.3 145A-09
2SC1972 15 2.5 7.5 221A-04/2
MRF221 15 3.5 6.3 221-07
MRF262 15 3.5 6.3 221A-04/2
MRF2628 15 0.95 12 224-04/1
2SC1729 16 1.4 10 T31E
2SC2094 17 2.0 8.8 T31E
2SC2539 17 0.5 14.5 T31E
2SC2549 17 0.5 14.5 T31E
2N5591 25 10 4.4 145A-09
2N6082 25 6 6.2 145A-09
MRF222 25 6 6.2 211-07
2N6083 30 8 5.7 145A-09
MRF238 30 7 9 145A-09
SD1274 30 3 10 145A-09
MRF239 30 3 10 145A-09
MRF264 30 9.1 5.2 221A-04/2
MRF1946 30 3 10 211-07
MRF1946A 30 3 10 145A-09
2SC1946 32 6.0 6.7 T31E
2SC1946A 35 3.0 10 T31E
SD1273 40 2.7 9 145A-09
SD1273 40 2.7 9 145A-09
SD1275 40 5 9 145A-09
SD1275-01 40 5 9 211-07
2N6084 40 14 4.5 145A-09
MRF224 40 14.3 4.5 211-07
MRF240 40 5 9 145A-09
MRF240A 40 5 9 211-07
SD1428 45 10 6.5 316-01
2SC2540 45 6.0 8.2 316-01
MRF250 50 14 4.4 211-11
2SC2630 50 10 7 316-01
2SC2694 70 15 6.7 316-01
MRF247 75 15 7 316-01
MRF245 80 12 6.4 316-01
2SC2782 80 12 6.4 316-01
SD1477 100 12.5 6 316-01
SD1441 150 40 5.5 316-01
VCC=28 Volts
SRF3841H 40 7 7.6 145A-09
Minimum gain & power ratings are at 175 MHz. Operation at 146 MHz will be higher by 10-20%.
 
Device Pout Watts Pin Watts GPE (Min)

dB @ 225 MHz		 Package/Style
225 MHz, ULTRA HIGH BAND
VCC=12.5 Volts
MRF207 1 0.15 8.2 79-04/1
MRF227* 3 0.135 13.5 79-05/5
MRF208 10 1 10 145A-09/10
MRF226 13 1.6 9 145A-09/1
VCC=28 Volts
2SC2133 34 4.5 8.2 311-11
2SC2134 60 12 7 311-11
2N6439 60 10 7.8 316-11
*Grounded Emitter TO-39 package.
 
UHF Transistors
400-512 MHz BAND
VCC=7.5 Volts
MRF750 0.5 0.05 10/470 305A-01/1
MRF752 2.5 0.4 8/470 249-05/1
MRF754 8 2 6/470 249-05/1
VCC=12.5 Volts
MRF627 0.5 0.05 10/470 305A-01/1
MRF750 0.5 0.05 10 305A-01
MRF581 0.6 0.05 13/500 317-01/2
MRF515 0.75 0.05 8/470 79-04
MRF555 1.5 0.15 10/470 317D-02/2
MRF629 2 0.3 8/470 79-05/5
2N5944 2 0.18 9/470 244-04
MRF630 3 0.33 9.5/470 79-05/5
2SC3020 3 0.3 10/520 T31E
2N5945 4 0.6 8/470 244-04
MRF652 5 0.5 10/512 249-04/1
MRF652S 5 0.5 10/512 249-05/1
MRF660 7 2 5.4/470 221A-04/2
2N5946 10 1 6/470 244-04
MRF653 10 2 7/512 244-04/1
MRF653S 10 2 7/512 244-05/1
SD1433 10 1.2 8 244-04
SD1429 12 4 7.8 311-11
MRF641 15 2.5 7.8/470 316-01/1
MRF654 15 2.5 7.8/470 244-04/1
SD1429-03 15 5 7.5 311-11
J03020 20 7.5 7.6/470 311-11
SD1422 25 6 6 311-11
MRF644 25 5.9 6.2/470 316-01/1
MRF646 40 13.3 4.8/470 316-01/1
SD1434 45 14 5 316-01
SRF3614 45 13 6/470 311-11
MRF650 50 11.7 6.3/470 316-01/1
2SC2905 50 15 4.8/512 316-01
J03055 55     311-11
MRF648 60 22 4.4/470 316-01/1
MRF658 65 25 4.15/512 316-01/1
VCC=28 Volts
MRF340 8 0.4 13 221a-04
MRF338 80 15 7.3 333-04
Note: Transistor gain performance improves at lower frequency of operation.
Example: 430-450 MHz gain & power will increase 10-20%.
RF Power MOSFETS | HF Transistors | UHF Transistors | Back to Transistors Home



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