F/5726

Pentode

CV4050 M8237

F/5750

Heptode

CV4037

F/6057

Double Triode

CV4035 M8214

F/6060

Double Triode

CV4033 M8144

F/6061

B9G	1	2	3	4	5	6	7	8	9
	h	g1(1)	k(1),bp	a(1)	g2	a(2)	k(2),bp	g1(2)	h

 
Double Beam Tetrode

Tetrode	Vh	Ah	Va	Vs	mAa	mAs	ra	gm
	6.3	1.6	400	400	55	5	0.1M	3.9

 
CV4046

F/6063

Rectifier FW

CV4001

F/6064

Pentode

CV4002 M8140

F/6067

Double Triode

CV4034 M8149

F/6132

Pentode

CV4056

F/6158

Voltage Stabiliser

CV4052 CV4069

F/7001

Beam Tetrode

CV4067 M8167

FC13

Ct8	1	2	3	4	5	6	7	8	tc
	m	h	h	k	g2	g1	g3,g5	a	g4

 
Octode

Octode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	13.0	0.2	200	70	-1.5	1.6	3.8	2M	0.6

 
 

FC13C

B7	1	2	3	4	5	6	7	tc
	g2	g1	g3,g5	h	h	m,k	a	g4

 
Octode

Octode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	13.0	0.2	200	70	-1.5	1.6	3.8	2M	0.6

 
13PGA 15D1 CV2956 VO13

FC141

MO	1	2	3	4	5	6	7	8	tc
	f	-	a	g2	g1	m	g3,g5	f	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	82	45	0	0.55	0.6	0.6M	0.25

 
 

FC2

Octode

FC2A

Octode

CV2951

FC4

B7	1	2	3	4	5	6	7	tc
	g2	g1	g3,g5	h	h	m,k	a	g4

 
Octode

Octode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	4.0	0.65	250	70	-1.5	1.6	3.8	0.6

 
15A2 41MPG CV2955 MX40 VO4 VHT4 X42 A80 A80A

FE7B

Photocell

FER1

B4	1	2	3	4
	f	a	g1	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	4.0	0.1	100	-	-	13,000	0.46	6.0

 
 

FW4-500

B4	1	2	3	4
	a(1)	a(2)	f	f

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	4.0	3.0	500	250

 
451U AU1 CV1264 NU12 RV200/600 U18/20

FW4-800

B4	1	2	3	4
	a(1)	a(2)	f	f

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	4.0	3.0	850	125

 
CV0031 U20

FX2505

Thyratron

CV1787 4C35

Fleming

Diode

Fleming Diode

Diode