1A3

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

 
Diode

Diode	Vh	Ah	Va	mAa
	1.4	0.15	117	0.5

 
1D13 CV0753 DA90

1A5G

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rl	Pout	D
	1.4	0.05	90	90	-4.5	4.0	1.1	0.3M	0.85	25,000	115mW	7%

 
CV0755

1A5GT

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rl	Pout	D
	1.4	0.05	90	90	-4.5	4.0	1.1	0.3M	0.85	25,000	115mW	7%

 
 

1A7G

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

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	45	-0	0.6	0.7	0.6M	0.25

 
CV1800

1A7GT

IO	1	2	3	4	5	6	7	8	tc
	s	f+	a	g3,g5	g1	g2	f-	-	g4

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra
	1.4	0.05	110	60	-0	0.6	0.7	0.6M

 
CV1802 DK32 X14

1AB6

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

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.025	85	68	0	0.6	0.14	0.8M	0.3

 
1C3 DK96 X25 DK98

1AC6

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

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	85	60	0	0.7	0.15	0.65M	0.325

 
1C2 DK92 X18 X20

1AH5

B7G	1	2	3	4	5	6	7
	f-	-	a(d)	g2	a	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	1.4	0.025	67.5	67.5	-1.5	0.17	0.055	0.17

 
1FD1 DAF96 ZD25

1AJ4

B7G	1	2	3	4	5	6	7
	f-,g3	a	g2	ic	f-,g3	g1	f+

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.025	85	64	0	1.65	0.55	1M	0.85

 
1F1 DF96 W25

1AM5

B7G	1	2	3	4	5	6	7
	f-	-	a(d)	g2	a	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	1.4	0.025	67.5	67.5	-1.5	0.17	0.055	0.17

 
1FD1 1P1 DAF96 ZD25

1B3GT

IO	1	2	3	4	5	6	7	8	tc
	ic	f	ic	-	ic	-	f	ic	a

 
Rectifier EHT

Rectifier	Vh	Ah	Va	mAa
	1.25	0.2	22,000	0.5

 
 

1B35A

TB Cell (X-Band)

BS412

1B59

Glow Modulator

1B5L

IO	1	2	3	4	5	6	7	8
	-	f+	a	a(d2)	a(d1)	g1	f-	-

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.06	135	-3	0.8	35,000	0.58

 
1H6G

1C1

B7G	1	2	3	4	5	6	7
	f-	a	g2-g4	g1	f-	g3	f+

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	45	-0	0.8	1.9	0.8M	0.25

 
1R5 CV0782 DK91 X17

1C2

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

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	85	60	0	0.7	0.15	0.65M	0.325

 
1AC6 DK92 X18 X20

1C3

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

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.025	85	68	0	0.6	0.14	0.8M	0.3

 
1AB6 DK96 X25

1C5G

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.1	90	90	-7.5	7.5	1.6	110k	1.55	0.24W	10%

 
CV1803 DL35 N14

1C5GT

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.1	90	90	-7.5	7.5	1.6	110k	1.55	0.24W	10%

 
CV1805 DL35 N14

1C610

Triode

1C6F

Heptode

1CP1

B8B	1	2	3	4	5	6	7	8
	h	a(1,3,Y2)	Y1	X2	g1	X1	k,a(2)	h

 
Cathode Ray Tube

CRT	Vh	Ah	Va
	6.3	0.3	1000

 
CV2302 DH3/91

1D13

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

 
Diode

Diode	Vh	Ah	Va	mAa
	1.4	0.15	117	0.5

 
1A3 CV0753 DA90

1D5

B5	1	2	3	4	5
	a	-	h	h	k

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	40.0	0.2	250	100

 
405UA 40SUA CV1267 RZ U4020 UR1C C10B

1D5GP

Pentode

CV0705

1D5GT

B5	1	2	3	4	5
	a	-	h	h	k

 
Tetrode

Rectifier	Vh	Ah	Va	mAa
	40	0.2	250	100

 
CV1806

1D6

UX6	1	2	3	4	5	6
	h	a	-	k	a	h

 
Rectifier HW

Rectifier	Vh	Ah	Va	mAa
	25	0.3	250	100

 
 

1D7

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

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0V	0.06	135	67.5	-3	1.3	2.5	0.6M	0.3

 
1A6

1D8GT

Diode Triode Pentode

CV1811

1E7G

IO	1	2	3	4	5	6	7	8
	-	f+	a(2)	g1(2)	g1(1)	a(1)	f-	g2

 
Double Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	Pout
	2.0	0.24	135	135	-7.5	10.5	3.5	0.57W

 
 

1E7GT

Double Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	rl	Pout	D
	2.0	0.24	135	135	-7.5	10.5	3.5	24,000	0.57W	5.5%

 
CV1812

1F1

B7G	1	2	3	4	5	6	7
	f-,g3	a	g2	ic	f-,g3	g1	f+

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.025	85	64	0	1.65	0.55	1M	0.85

 
1AJ4 DF96 W25

1F2

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	67.5	0	3.7	1.4	0.5M	1.0

 
1L4 CV1758 DF92

1F3

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	67.5	0	3.5	1.5	0.5M	0.9

 
1T4 CV0785 DF91 W17

1F4

UX5	1	2	3	4	5
	f+	a	g1	g2	f-

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rl	Pout	D
	2.0	0.12	135	135	-4.5	8.0	2.4	0.2M	1.7	16,000	0.31W	5%

 
 

1F5G

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	2.0	0.12	135	135	-4.5	8.0	2.4	0.2M	1.7	0.31	5%

 
KL35

1F6

UX6	1	2	3	4	5	6	tc
	f+	a	g2	a(d2)	a(d1)	f-	g1

 
Double Diode Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.06	180	67.5	-1.5	2.2	0.7	1M	0.65

 
 

1FD1

B7G	1	2	3	4	5	6	7
	f-	-	a(d)	g2	a	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	1.4	0.025	67.5	67.5	-1.5	0.17	0.055	0.17

 
1AH5 DAF96 ZD25

1FD9

B7G	1	2	3	4	5	6	7
	f-	nc	a(d)	g2	a	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	0	2.7	0.63	0.5M	0.72

 
1S5 CV0784 DAF91 ZD17

1G35P

Thyratron (Hydrogen)

FX2505

1G45P

Thyratron (Hydrogen)

FX227

1G4GT/G

Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	1.4	0.05	90	-6	2.3	10,700	0.83

 
CV1817

1G6G

IO	1	2	3	4	5	6	7	8
	-	f+	a(2)	g1(2)	g1(1)	a(1)	f-	-

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	Pout
	1.4	0.1	90	0	11.0	0.35W

 
 

1H4G

IO	1	2	3	4	5	6	7	8
	-	f+	A	-	g1	-	f-	-

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	2.0	0.06	180	-13.5	3.1	11,000	0.9	9.3

 
 

1H5

IO	1	2	3	4	5	6	7	8	tc
	m	f+	a	-	a(d)	-	f-	-	g1

 
Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	1.4	0.05	90	-0	0.15	0.24M	0.275

 
CV1818

1H5G

IO	1	2	3	4	5	6	7	8	tc
	m	f+	a	-	a(d)	-	f-	-	g1

 
Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	1.4	0.05	90	-0	0.15	0.24M	0.275

 
CV1818

1H5GT

IO	1	2	3	4	5	6	7	8	tc
	-	f	a	-	a(d)	-	f	-	g1

 
Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	μ
	1.4	0.05	90	0	0.15	0.24M	0.275	65

 
CV1820 DAC32

1H6G

IO	1	2	3	4	5	6	7	8
	-	f+	a	a(d2)	a(d1)	g1	f-	-

 
Double Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.06	135	-3	0.8	35,000	0.58

 
1B5L

1K24

UX4	1	2	3	4	tc
	f(tap)	f	-	f	a

 
Rectifier HW

Rectifier	Vh	Ah	mAa
	5.0	3.0	60

 
3B24W

1L4

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	67.5	0	3.7	1.4	0.5M	1.0

 
1F2 CV1758 DF92

1LA6E

Heptode

1LB4

B8B	1	2	3	4	5	6	7	8
	f+	a	g2	ic	-	g1	-	f-

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rl	Pout
	1.4	0.1	90	90	-9	5.0	1.0	0.2M	0.93	12,000	0.2W

 
 

1LC6

B8B	1	2	3	4	5	6	7	8
	f+	a	g2	g1	g3,g5	g4	-	f-

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra
	1.4	0.05	90	35	0	0.75	0.7	0.65M

 
 

1LD5

B8B	1	2	3	4	5	6	7	8
	f+	a	g2	a(d)	-	g1	-	f-

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	45	-0	0.6	0,1	0.95M	0.6

 
 

1LE3

B8B	1	2	3	4	5	6	7	8
	f+	a	-	-	ic	g1	-	f-

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	1.4	0.05	90	-3	1.3	19,000	0.76

 
 

1LN5

B8B	1	2	3	4	5	6	7	8
	f+	a	g2	g3	f-	g1	-	f-

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	-0	1.6	0.35	1.1M	0.8

 
CV0781

1M1

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

 
Tuning Indicator

CRT	Vh	Ah	Va	mAa
	1.4	0.025	85	0.17

 
DM71 1N3 Y25 1M3 DM70

1M3

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

 
Tuning Indicator

CRT	Vh	Ah	Va	mAa
	1.4	0.025	85	0.17

 
DM70

1N3

Tuning Indicator

DM71

1N5G

IO	1	2	3	4	5	6	7	8	tc
	m	f+	a	g2	-	-	f-	-	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	0	1.2	0.3	1.5M	0.75

 
CV1821 DF33 Z14

1N5GT

IO	1	2	3	4	5	6	7	8	tc
	m	f(+)	a	g2	-	-	f(-)	-	g1

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	-0	1.2	0.3	1.5M	0.75

 
CV1823 DF33 Z14 1N5VG

1P1

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.05	85	85	-5.2	5	0.9	150,000	1.4	0.2	10%

 
3C4 DL96 N25

1P10

B7G	1	2	3	4	5	6	7
	f	a	g1	g2	hct-g3	a	f+

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.1	90	67.5	-7	7.4	1.4	0.1M	1.58	0.27	12%

 
3S4 CV0820 DL92 N17

1P11

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.1	90	90	-4.5	9.5	2.1	100,000	2.15	0.27	7%

 
3V4 DL94 N19

1P11/3V4

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.1	90	90	-4.5	9.5	2.1	100,000	2.15	0.27	7%

 
3V4 DL94 N19

1P39

Photocell

Photocell	Va
	-

 
 

1Q5

Tetrode

1Q5G

Tetrode

CV1824

1Q5G/GT

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Tetrode

CRT	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.1	90	90	-4.5	9.5	1.3	75,000	2.2

 
 

1Q5GT

Tetrode

CV1826

1R5

B7G	1	2	3	4	5	6	7
	f-	a	g2,g4	g1	f-	g3	f+

 
Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	45	-0	0.8	1.9	0.8M	0.25

 
1C1 CV0782 DK91 X17

1R5/DK91

Heptode

1S2

Rectifier HW

DY86

1S2A

Rectifier HW

DY87

1S4

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

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rl	Pout	D
	1.4	0.1	90	67.5	-7.0	7.4	1.4	0.1M	1.575	8,000	0.27W	12%

 
CV0783 DL91

1S5

B7G	1	2	3	4	5	6	7
	f-	nc	a(d)	g2	a	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	0	2.7	0.63	0.5M	0.72

 
1FD9 CV0784 DAF91 ZD17

1S5/DAF91

B7G	1	2	3	4	5	6	7
	f-	nc	a(d)	g2	a	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	0	2.7	0.63	0.5M	0.72

 
1FD9 CV0784 DAF91 ZD17

1T2

Rectifier EHT

Rectifier	Vh	Ah	mAa
	1.4	0.14	2

 
U37

1T4

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	67.5	0	3.5	1.5	0.5M	0.9

 
1F3 CV0785 DF91 W17

1T4/DF91

Pentode

1T5GT

IO	1	2	3	4	5	6	7	8
	-	f+	a	g2	g1	-	f-	-

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.05	90	90	-6.0	6.5	1.5	250,000	1.15	0.17	7.5%

 
 

1U4

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

 
Pentode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	90	90	-0	1.6	0.45	1.5M	0.9

 
CV2507

1U5

B7G	1	2	3	4	5	6	7
	f-	a	g2	a(d)	-	g1	f+

 
Diode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.05	67.5	67.5	-0	1.6	0.4	0.6M	0.625

 
CV3912

1V2

B9A	1	2	3	4	5	6	7	8	9
	-	-	-	f	f	-	-	-	a

 
Rectifier HW

Rectifier	Vh	Ah	mAa
	0.625	0.3	0.5

 
 

1W4-350

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

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	4.0	2.0	350	120

 
R2 UU5

1W4-500

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

 
Rectifier FW

Rectifier	Vh	Ah	Va	mAa
	4.0	2.3	500	120

 
CV1039 R3 UU5

1X2B

Rectifier EHT

CV5427 R19+C358