E1007

Triode

CV1205

E1046

CV0062 CV0219

E1148

IO	1	2	3	4	5	6	7	8	tc	tc
	-	h	-	-	-	-	h	k	a	g1

 
Triode

Triode	Vh	Ah	Va	mAa	Pdiss	Pout	freq	f.max
	6.3	0.2	300	25	3.5W	4.25W	50MHz	300MHz

 
CV0006 CV1135 CV2920 DET20

E1155

CV0044

E1190

CV0055 CV0155

E1191

Rectifier MV

CV0012

E1192

IO	1	2	3	4	5	6	7	8	tc
	-	h	g3	g1	g2	-	h	k	a

 
Beam Tetrode

Beam Tetrode

Vh

Ah

Va

Vs

Vg

mAa

mAs

Pdriv

Pdiss

Pout

freq

f.max

6.3

0.8

250

160

-50

30

8

0.12

2.7W

4.8W

100MHz

200MHz

 
CV1501 TT11 VT501

E1198

CV0068

E1199

Diode

CV1405

E1209

CV0007

E1228

CV0002

E1229

CV0004

E1231

Triode

CV0052

E1235

CV0029

E1248

CV0008

E1255

CV0040

E1256

CV0042

E1265

CV0114

E1266

CV0015

E1267

CV0041

E1271

	1	2	3	4	tc
	g1	h	g2	h,k	a

 
 

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs
	12.6	1.75	11,000	1,400	-800	5,000	-

 
CV0057

E1273

Triode

CV0058

E1278

CV0023

E1323

Triode

CV0063 CV0344

E1325

Magnetron	Va	mAa
	15,000	15,000

 
CV0056

E1326

CV0069

E1330

CV0123

E1336

CV0122

E1342

Magnetron	Vh	Ah	Va	mAa
	6.0	1.25	13,000	10,000

 
CV0064

E1342

CV0186

E1359

CV0076

E1362

CV0126

E1368

Triode

CV0090 CV0350

E1371

CV0105

E1373

CV0099

E1411

CV0153

E1415

CV0115

E1417

CV0117

E1419

CV0154

E1429

CV0079

E1430

CV0089

E1458

CV0178

E1459

CV0174

E1465

CV0236

E1468

Diode

CV0172

E1468

Diode

CV0172

E1474

CV0078

E1481

CV0192

E1485

B7G	1	2	3	4	5	6	7
	f-	a	g2	g1	fct	a	f+

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	Pdiss	Pout	freq
	1.4	0.2	150	135	18.3	6.5	2W	1.2W	50MHz

 
3A4 CV0807 DL93

E1488

CV0182

E1489

CV0222

E1494

CV0191

E1497

CV0215

E1516

CV0221

E1531

CV0214

E1599

Triode

Triode	Vh	Ah	Va	mAa	Pout	Pdiss	freq	f.max
	6.3	0.4	350	40	3	10	600	4000

 
CV0273 DET22

E180CC

Double Triode

CV8431

E180F

B9A	1	2	3	4	5	6	7	8	9
	k	g1	k	h	h	k	a	g3-s	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	190	160	-1	13	3.3	35K	16.5

 
5A/170K 6688 CV3998 EF861

E182CC

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g(2)	k(2)	h	h	k(1)	g(1)	hct	a(1)

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	6.3	0.64	120	-2.0	36	15

 
CV5766

E186F

Pentode

CV8667

E188CC

Double Triode

CV5354

E1920

B4	1	2	3	4	tc
	-	-	f	f	a

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	4.0	2.1	5800	75

 
CV0121

E1955

B7G	1	2	3	4	5	6	7
	g1	k	h	h	g2	a	g2

 
Thyratron

Thyratron	Vh	Ah	Va	mAa
	6.3	0.6	650	500

 
20A3 2D21 CV0797 EN91

E1T

	1	2	3	4	5	6	7	8	9	10	11	12
	h	g1	k,g3,g5	x(2)	a(2)	g4	t	a(1)	x(1)	g2	ic	h

 
Counter/Indicator

CRT	Vh	Ah	Va	Vs	Vg
	6.3	0.3	300	300	11.9

 
CV5106

E2016

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	g3	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.2	250	150	-0.65	8	2	0.5M	2.5

 
6CQ6 9D6 CV1758 EF92

E2157

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g1(2)	k(2)	h	h	a(1)	g1(1)	k(1)	hct

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.6	250	2.0	10.0	10,000	5.5

 
12AT7 B152 CV0455 ECC81

E2163

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g(2)	k(2)	h	h	a(1)	g(1)	k(1)	hct

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	6.3	0.3	250	-8.5	10.5	2.2

 
12AU7 B329 CV0491 ECC82

E2164

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g(2)	k(2)	h	h	a(1)	g(1)	k(1)	hct

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-2	1.2	62.5K	1.6

 
12AX7 6L13 CV0492 ECC83

E280F

Wideband Pentode

7722

E282F

Wideband Pentode

E283CC

B9A	1	2	3	4	5	6	7	8	9
	k(2)	g1(2)	a(2)	h	h	k(1)	s	a(1)	g1(1)

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	6.3	0.3	250	-1	1.25	1.6

 
 

E288CC

Double Triode

E4103/B/4

B9	1	2	3	4	5	6	7	8	9
	x1	y1	a2	h,k	h	g1	a1,a3	y2	x2

 
Cathode Ray Tube

CRT	Vh	Ah	Va	Vg
	4.0	1.1	1,000	-25

 
401A CV0320

E415

B5	1	2	3	4	5
	a	g1	h	h	k

 
Triode

Pentode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	4.0	1.0	200	-8.0	6.0	0.1M	1.4	45

 
 

E4205/B/7

B12B	1	2	3	4	5	6	7	8	9	10	11	12
	k	g1	h	h	a2	-	y2	x2	a1,a3	x1	y1	-

 
Cathode Ray Tube

CRT	Vh	Ah	Va	Vg
	4.0	1.0	800	-18

 
CV1588 ECR30 701A

E4412/B/9

Cathode Ray Tube

CV1587 ECR35

E4504/B/16

Cathode Ray Tube

CV1385

E55L

B9D	1	2	3	4	5	6	7	8	9
	a	g3	g2	h	h	g3	k	g1	k

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.6	200	175	-55	50	5.5	20k	45

 
CV5808

E639/10

Magnetron

E80CC

B9A	1	2	3	4	5	6	7	8	9
	a(1)	g1(1)	k(1)	h	h	a(2)	g1(2)	k(2)	hct

 
Double Triode

Triode	Vh	Ah	Va	mAa	ra	gm
	6.3	0.6	250	6.0	10,000	2.7

 
CV5989

E80CF

Triode Pentode

E80F

B9A	1	2	3	4	5	6	7	8	9
	g2	s	k	h	h	a	s	g3	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-2	3.0	0.7	1.5M	1.8

 
CV2729

E80L

B9A	1	2	3	4	5	6	7	8	9
	s	g1	k	h	h	s	a	g2	g3

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.75	200	200	-4.4	30	4.1	90,000	9.0

 
6227

E810F

B9A	1	2	3	4	5	6	7	8	9
	k	g1	k	h	h	g2	a	g3,s	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.34	120	150	-1.9	35.0	5.0	42,000	50

 
CV5809 7788

E81L

Pentode

E82CC

Double Triode

E83F

B9A	1	2	3	4	5	6	7	8	9
	g2	g1	k	h	h	a	ic	ic	g3,s

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	ra	gm
	6.3	0.3	210	120	10	2.1	0.5M	9.0

 
CV9933

E84L

Pentode SQ EL84

CV2975

E86C

B9A	1	2	3	4	5	6	7	8	9
	g1	k	g1	h	h	g1	g1	a	g1

 
UHF Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.165	175	-1.5	12.0	5,000	14.0

 
 

E88C

B9A	1	2	3	4	5	6	7	8	9
	g	k	g	h	h	g	g	a	g

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.155	160	-1.25	12.5	4800	13.5

 
CV9155

E88CC

B9A	1	2	3	4	5	6	7	8	9
	a(2)	g(2)	k(2)	h	h	a(1)	g(1)	k(1)	s

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	6.3	0.3	90	-1	15	12.5

 
6922 CV2492 CV5472

E88CC/01

Double Triode

CV2493

E90CC

B7G	1	2	3	4	5	6	7
	a(2)	a(1)	h	h	g1(1)	g1(2)	k

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.4	100	-2.1	8.5	4,500	6.0

 
CV5214

E90F

Pentode

E91H

B7G	1	2	3	4	5	6	7
	g1	k,g5	f	f	a	g2,g4	g3

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra
	6.3	0.27	150	75	-1.5	3.3	-	20,000

 
 

E92CC

B9A	1	2	3	4	5	6	7
	a(1)	a(2)	h	h	g1(2)	g1(1)	k

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ	Pdiss
	6.3	0.4	300	-1.7	8.5	-	6.0	45	2.0W

 
 

E99F

RF Pentode

EA50

B3G	1	2	3	tc
	h	k	h	a

 
Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.15	50	5.0

 
6D1 CV0375 CV1092 SD61 2B35

EA52

Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.3	-	0.3

 
CV5140

EA76

Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.15	400	9.0

 
CV0469

EAB1

Triple Diode

EABC80

B9A	1	2	3	4	5	6	7	8	9
	a(d3)	a(d2)	k(d2),s	h	h	a(d1)	k	g	a

 
Triple Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.45	250	-3	1.0	50,000	1.4

 
6AK8 6LD12 6T8 DH719

EAC91

B7G	1	2	3	4	5	6	7
	ad	kd	h	h	g1	g2	k

 
Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	200	-3.8	7.5	12.8k	2.8

 
CV0137 CV1804 CV4059 M8097

EAF41

B8A	1	2	3	4	5	6	7	8
	h	a	a(d)	g3	g2	g1	k,s	h

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.2	250	85	-2.0	5.0	1.5	1.4M	2.0

 
EAF42 WD150 6CT7

EAF42

B8A	1	2	3	4	5	6	7	8
	h	a	a(d)	g3	g2	g1	k,s	h

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.2	250	85	-2.0	5.0	1.5	1.4M	2.0

 
6CT7 CV3883 W150

EAM86

B9A	1	2	3	4	5	6	7	8	9
	a(t)	a(d)	K,K(d),g	h	h	t	a	g1(t)	k(t)

 
Tuning Indicator

CRT	Vh	Ah	Va	Vg
	6.3	0.3	250	-8.0

 
6GX8

EB34

IO	1	2	3	4	5	6	7	8
	m	h	a(2)	k(2)	a(1)	-	h	k(1)

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.2	140	0.8

 
6H6GT ARDD5 CV1054 OM3 VR54 D63

EB4

Double Diode

EB41

B8A	1	2	3	4	5	6	7	8
	h	-	k(2)	a(2)	s	a(1)	k(1)	h

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.3	150	9.0

 
CV3881

EB91

B7G	1	2	3	4	5	6	7
	k(1)	a(2)	h	h	k(2)	s	a(1)

 
Double Diode

Diode	Vh	Ah	Va	mAa
	6.3	0.3	150	9

 
6AL5 6D2 CV0140 D77 DD6 M8212 D152 EAA91

EBC21

Double Diode Triode

CV0347

EBC3

Ct8	1	2	3	4	5	6	7	8	tc
	m	h	h	k	a(d1)	a(d2)	-	a	g1

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.2	250	-5.5	5.0	15,000	2.0

 
CV1428

EBC33

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	a(d2)	a(d1)	-	h	k	g1

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.2	250	-5.5	5.0	15,000	2.0

 
AR21 CV1055 NR48 OM4 VR55 6R7G DH147

EBC41

B8A	1	2	3	4	5	6	7	8
	h	a	g1	s	a(d2)	a(d1)	k	h

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.23	250	-3	1.0	58,000	1.2

 
6CV7 6LD3 CV3882 DH150 62DDT DH718

EBC81

B9A	1	2	3	4	5	6	7	8	9
	a(t)	g1	k	h	h	a(d1)	s	a(d2)	ic

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.23	250	-3.0	1.0	58,000	1.2

 
6BDYA 6LD13 EBC80

EBC90

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a(d2)	a(d1)	a

 
Double Diode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-3	1.0	58,000	1.2

 
6AT6 CV0452 DH77

EBC91

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a(d2)	a(d1)	a(t)

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-2.0	1.2	62,500	1.6

 
6AV6 CV2526

EBF2

Ct8	1	2	3	4	5	6	7	8	tc
	m	h	h	k	a(d1)	a(d2)	g2	a	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.2	250	250	-2	5	2	2M	1.8

 
 

EBF32

Double Diode Pentode

CV0501

EBF80

B9A	1	2	3	4	5	6	7	8	9
	g2	g1	k,s	h	h	a	a(d1)	a(d2)	g3

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	85	-2	5.0	1.75	1.4M	2.2

 
6N8 ZD152 WD709

EBF83

B9A	1	2	3	4	5	6	7	8	9
	g2	g1	k,s	h	h	a	ad(1)	ad(2)	g3

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	ra	gm
	6.3	0.3	12.6	12.6	0.45	0.14	1M	1

 
6DR8

EBF89

B9A	1	2	3	4	5	6	7	8	9
	g2	g1	k,s	h	h	a	ad(1)	ad(2)	g3

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-2	9	2.7	1M	3.8

 
6DC8 6FD12

EBL1

Ct8	1	2	3	4	5	6	7	8	tc
	m	h	h	k	a(d1)	a(d2)	g2	a	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	6.3	1.4	250	250	-6.0	36	4.0	9.5	3.6	10%

 
 

EBL21

B8B	1	2	3	4	5	6	7	8
	h	a	g1	g2	a(d2)	a(d1)	k	h

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.8	250	275	-6.2	44	5.8	50K	9.5	5.5	10%

 
DN143

EBL31

IO	1	2	3	4	5	6	7	8	tc
	m	h	a(p)	a(d2)	a(d1)	g2	h	k	g1

 
Double Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rk	rl	Pout	D
	6.3	1.2	250	250	-6	36.0	5.0	55,000	9.5	146	7,000	4.3	10%

 
CV2926

EC157

Triode

EC158

Triode

EC31

IO	1	2	3	4	5	6	7	8
	m	h	a	-	g1	-	h	k

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.65	250	-16	20.0	3300	3.2

 
CV1433

EC50

Triode

CV2927

EC52

B9G	1	2	3	4	5	6	7	8	9
	h	g1	k	a	-	-	-	-	h

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	Pdiss	freq	f.max
	6.3	0.43	250	-2.6	10	0.7W	300MHz	400MHz

 
CV1137 VR137

EC53

B3G	1	2	3	tc	tc
	h	k	k	a	g1

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.25	200	-3.3	7.5	11,400	2.9

 
CV1197 NR88

EC54

B9G	1	2	3	4	5	6	7	8	9
	h	g1	g1	a	a	g1	g1	k	h

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.45	250	0	12	11100	9

 
CV0066 RL37

EC56

Triode

EC57

Triode

EC70

B8D	1	2	3	4	5	6	7	8
	g1	a	h	ic	-	h	k	ic

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	Pdiss	Pout	freq
	6.3	0.15	175	-	20.0	3.0W	0.75W	500MHz

 
6K4 CV0468

EC71

B8D	1	2	3	4	5	6	7	8
	g1	-	h	-	k	h	-	a

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.15	100	-1.25	8.5	4,700	5.8

 
5718 CV3930

EC80

Triode

CV1886

EC81

B9A	1	2	3	4	5	6	7	8	9
	g1	-	k	h	h	-	-	a	-

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	gm	μ
	6.3	0.175	275	-2	30.0	5.5	16

 
CV1865

EC86

B9A	1	2	3	4	5	6	7	8	9
	a	g1	k	h	h	g1	k	g1	a

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.2	175	-1.75	12.0	4,850	14.0

 
6CM4

EC88

B9A	1	2	3	4	5	6	7	8	9
	g1	k	g1	h	h	g1	g1	a	g1

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.155	160	-1.25	12.5	4,800	13.5

 
6LD4

EC90

B7G	1	2	3	4	5	6	7
	a	k	h	h	a	g	k

 
Triode

Triode	Vh	Ah	Va	mAa	gm	Pdriv	Pout	Pdiss	freq	f.max
	6.3	0.15	250	10.5	2.2	0.35W	5.5W	5W	70	150

 
6C4 CV0133 L77 V741

EC903

B7G	1	2	3	4	5	6	7
	a	g1	h	h	k	g1	a

 
Triode

Triode	Vh	Ah	gm	μ
	6.3	0.2	6.0	15

 
 

EC91

B7G	1	2	3	4	5	6	7
	g	k	h	h	k	g	a

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.3	250	-1.5	10	12k	8.5

 
6AQ4 6L34 CV0417 M8099