POPULAR TRIODES

Type Number

Filament

µ

Maximum Ratings

Typical Operation

Max. Freq.
for Full Ratings

Volts

Amps

Plate Diss.
kW

Pg. W

Eb, kV

Ib, A

Eb, kV

Ib, IA

Po, kW

Gain dB

8873

6.3

3.0

 240  

0.2

5

2.2

0.4

2.0

0.3

0.3

15.3

500

3CX400A7 / 8874

6.3

3.0

240

0.4

5

2.2

0.4

2.0

0.3

0.3

15.3

500

3CX800A7

13.5

1.5

200

0.8

4

2.3

0.6

2.2

0.5

0.8

15.1

350

3CPX800A7

13.5

1.5

200

0.8

4

3.5

0.6

3.2

0.4

0.9

15.9

500

3CX1200A7

7.5

21.0

200

1.2

50

5.0

0.8

3.6

0.7

1.5

12.5

110

3CX1200D7 / YU-121

6.3

25.0

200

1.2

50

5.5

0.8

4.0

0.6

1.6

14.8

110

3CX1200D7 / YU-181

6.3

25.0

200

1.2

50

5.5

0.8

4.0

0.6

1.6

14.8

110

YC-236

5.0

10.5

200

1.5

20

4.0

1.0

4.0

0.9

2.0

16.0

250

3CX1000A7 / 8283

5.0

30.5

200

1

45

3.5

1.0

3.5

0.9

2.1

13.1

220

3CX1500A7 / 8877

5.0

10.5

200

1.5

20

4.0

1.0

3.5

1.0

2.1

15.1

250

3CX5000A7

10.0

17.5

200

5

35

6.5

2.5

6.0

1.6

5.0

14.2

110

3CX3000A / 8238

7.5

51.5

5

4

50

6.0

2.5

5.5

1.1

5.1

14.5

110

3CX3000F1 / 8239

7.5

51.5

5

4

50

6.0

2.5

5.5

1.1

5.1

14.5

75

3CX3000A7

7.5

51.5

160

4

225

5.0

2.5

4.8

2.0

7.2

11.0

110

3CX3000F7

7.5

50.5

160

4

225

5.0

2.5

4.8

2.0

7.2

-

75

3CX2500F3 / 8251

7.5

51.5

20

4

150

6.0

2.5

6.0

2.1

10.0

18.7

75

3CX6000A7 / YU-148

7.0

78.0

200

6

225

7.0

3.5

5.7

2.5

10.0

12.2

110

3CX10,000A3 / 8159

7.5

99.0

20

10

250

7.0

5.0

7.0

4.0

22.4

15.3

160

3CX10,000A7 / 8160

7.5

100.0

200

10

500

9.0

4.0

7.6

3.7

22.5

11.7

160

3CX15,000A7

6.3

160.0

200

15

500

10.0

5.0

7.0

4.6

25.5

9.9

110

3CX20,000A7

6.3

160.0

200

20

500

10.0

5.0

7.8

4.2

27.5

10.8

110

3-500Z

5.0

14.6

130

0.5

20

4.0

0.4

3.0

0.4

0.74

14.0

110

3-1000Z

7.5

20.0

200

1

50

6.0

0.7

6.0

0.7

3.2

13.2

110

811A

6.3

4.0

 

60 watts

8

1.5

0.175

1.5

0.16

0.16

13.0

30

572B

6.3

4.0

170

160 watts

50

2.7

0.275

2.4

0.25

0.30

7.5

30


TETRODES

Type Number

Filament

Maximum Ratings

Typical Operation

Max. Freq.
for Full Ratings

Volts

Amps

Plate Diss.
kW

Pg.1, W

Pg.2, W

Eb, kV

Ib, A

Eb, kV

Ib, IA

Po, kW

Gain dB

8122

13.5

1.3

0.4

8

2.2

0.3

2.0

0.3

0.4

500

8930

6.0

2.6

0.4

2

12

2.4

0.3

2.0

0.3

0.4

21.0

500

4CX250B / 7203

6.0

2.6

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

500

4CX250BC / 8957

6.0

2.4

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

500

4CX250FG / 8621

26.5

0.5

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

500

4CX250R / 7580W

6.0

2.6

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

500

4CX300A / 8167

6.0

2.9

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

500

4CX350A / 8321

6.0

2.9

0.4

0

8

2.5

0.3

2.2

0.3

0.4

20.5

110

4CX350AC / 8321A

6.0

2.9

0.4

0

8

2.5

0.3

2.2

0.3

0.4

20.5

110

4CX350F / 8322

26.5

0.7

0.4

0

8

2.5

0.3

2.2

0.3

0.4

20.5

110

4CX350FJ / 8904

26.5

0.7

0.4

0

8

2.5

0.3

2.2

0.3

0.4

20.5

110

4CX150A / 7034

6.0

2.6

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

150

8560AS

6.3

2.6

0.3

2

12

2.0

0.3

2.0

0.3

0.4

21.3

500

4CX300Y / 8561

6.0

3.5

0.4

1

8

2.0

0.4

2.0

0.4

0.6

21.9

110

4CX400A

6.3

3.2

0.4

2

8

2.5

0.4

2.5

0.27

0.4

500

4CX600JB

6.0

5.4

0.6

1

15

3.0

0.6

2.8

0.6

1.0

20.0

30

4CX800A / GU-74B

12.6

3.6

0.8

2

15

2.5

0.8

3.2

0.63

0.8

 

150

GU-84B / 4CX2500E

27.0

3.7

2.5

1

30

2.2

2.0

2.0

1.25

1.5

75

4CX800A / GU74B

12.6

3.6

0.8

2.5

0.8

3.2

0.63

0.8

150

4CX1500B / 8660

6.0

10.0

1.5

1

12

3.0

0.9

2.9

0.7

1.1

28.6

110

4CX1000A / 8168

6.0

9.0

1.0

1

12

3.0

1.0

3.0

0.9

1.6

20.0

110

4CX1500A

5.0

38.5

1.5

25

75

5.0

1.0

4.0

0.8

2.5

28.4

150

4CX1600B

12.6

4.4

1.6

3.3

1.4

2.4

0.87

2.1

250

4CX3000A / 8169

9.0

41.5

3.5

50

175

7.0

2.0

6.0

1.5

7.1

23.1

150

4CX3500A

5.0

90.0

3.5

50

165

5.5

2.0

5.0

1.3

5.3

23.2

220

4CX5000A / 8170

7.5

75.0

5.0

75

250

7.5

3.0

7.0

2.2

12.5

20.7

110

4CX5000R / 8170W

7.5

75.0

5.0

75

250

7.5

3.0

7.0

2.2

12.5

20.7

110

4CX7500A

7.0

110.0

7.5

50

165

7.5

3.0

7.0

2.4

13.0

20.1

220

4CX10,000D / 8171

7.5

75.0

10.0

75

250

7.5

3.0

7.5

2.8

16.0

20.3

110

4CX12,000A / 8989

6.5

120.0

12.0

150

300

10.0

3.5

10.0

2.8

22.5

19.1

220

4CX15,000A / 8281

6.3

160.0

15.0

200

450

10.0

6.0

10.0

4.6

36.5

22.2

110

4CX20,000A / 8990

10.0

140.0

20.0

200

450

10.0

5.0

9.0

4.1

28.8

19.5

110

9010 / YC-130

7.5

160.0

18.0

200

450

10.0

5.0

10.0

4.6

36.5

22.2

110

4-250A

5.0

14.5

.25

10

35

4.0

0.35

3.0

0.31

1.0

110

4-400A

5.0

14.7

.4

10

35

4.0

0.35

3.0

0.35

1.1

110

4-1000A

7.5

21.3

1.0

25

75

6.0

0.7

6.0

0.7

3.4

110

Characteristics listed on this page are approximate, and for comparison only. 4CV100,000 specs 8F75R

 

 

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