Z14

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

 
1N5GT DF33 IN5VG

Z1545

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	22	0.1	200	200	-1.8	10	2.6	0.9M	9

 
10F1

Z152

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.7	0.3	250	250	-8	9.5	3.5	0.75M	8.5

 
6BW7 6BX6 6F28 8D6 CV1376 EF80 Z719

Z21

B4	1	2	3	4	tc
	g2	g1	f	f	a

 
Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	μ
	2.0	0.15	150	80	-1.5	7.0	-	0.3M	1.1	330

 
215SG CV1018 CV3835 CV3837 VR18

Z21Met

B4	1	2	3	4	tc
	g2	g1	f	f	a

 
Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	μ
	2.0	0.15	150	80	-1.5	7.0	-	0.3M	1.1	330

 
CV3836 215SG 220SG PM12

Z22

Pentode

2201PT ARP14 CV1333 CV1469

Z22Met

B7	1	2	3	4	5	6	7	tc
	m	g1	g3	f	f	-	g2	a

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.1	150	60	-0	2.95	0.75	0.6M	1.3

 
STP2 210SPT SP2

Z300T

IO	1	2	3	4	5	6	7	8
	Base Shell	-	a	-	tr	ic	ic	k

 
Thyratron

Thyratron	Va	mAa
	240	50

 
G240/2D

Z319

Pentode

CV2276 Z152 EF80 64SPT

Z329

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	7.5	0.3	170	170	-1.9	10	2.6	8.8

 
7ED7 PF818 30F5

Z359

Pentode

Z504S

B13B	1	2	3	4	5	6	7	8	9	10	11	12	13
	k5	k4	k3	gdb	k2	k1	k0	gda	k9	k8	a	k7	k6

 
Counter/Indicator

Indicator	Va
	475

 
 

Z520M

	1	2	3	4	5	6	7	8	9	10	11	12	13
	ic	a	k0	k9	k8	k7	k6	ic	k5	k4	k3	k2	k1

 
Counter/Indicator

Indicator	Va
	350

 
 

Z62

Pentode

ARP21 CV1192 CV3838 NR79

Z63

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	100	-2	1.0	0.25	1.5M	1.23

 
6J7G KTZ63

Z66

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

 
Triode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.63	250	250	-1.85	8	2	1.5M	7.5

 
CV3839

Z700U

Thyratron

CCT6 CV6016

Z700W

Thyratron

Z701U

Thyratron

Z719

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.7	0.3	250	250	-8	9.5	3.5	0.75M	8.5

 
6BW7 6BX6 6F28 8D6 CV1376 EF80 Z152

Z729

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

 
Pentode

Pentode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.2	250	-5	4	16k	2

 
6267 CV2901 CV4086 EF86

Z749

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	6.3	0.3	170	170	-1.9	10.0	2.6	9.2

 
6F23 6EL7 EF812

Z759

Pentode

CV5060

Z77

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	0.3	250	250	-2	10	2.5	1M	7.6

 
6AM6 6F12 8D3 CV0138 EF91 HP6

Z800U

Thyratron

Z801U

Thyratron

Z803U

B9A	1	2	3	4	5	6	7	8	9
	a	ic	ic	k	k(1)	p	k	tr	tr

 
Thyratron

Thyratron	Va	mAa
	290	25

 
 

Z804U

Thyratron

Z88U

Cold Cathode Valve

CV2236

Z90

B9G	1	2	3	4	5	6	7	8	9
	h	g2	a	g3	s	k	g1	s	h

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	250	-2	10	3	1.0M	6.5

 
63SPT ARP35 CV1091 CV1578 EF50 VR91

Z900T

B7G	1	2	3	4	5	6	7
	a	ic	k	t	ic	ic	k

 
Thyratron

Thyratron	Va	mAa
	290	100

 
CV5122

ZA1

Pentode

CV1175 NR54

ZA2

Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	μ
	6.3	0.15	250	100	-3.0	1.2	0.5	1.0M	11.0	1100

 
954 CV1095 CV1579

ZD

Diode

ZD152

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

 
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 EFB80 WD709

ZD17

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 1S5 CV0784 DAF91

ZD25

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 1FD1 DAF96

ZM1175

Numerical Indicator