P1

Triode (Bright Emitter)

Triode	Ah
	0.75

 
 

P12/250

B4	1	2	3	4
	a	g	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout	D
	4.0	1.0	300	-38	50	1200	5	3.5	5%

 
4XP AC044 LP4 PP3/250 PX4 S30C

P.17C

Ct8	1	2	3	4	5	tc
	h	g2	g1	k	h	a

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	6.3	0.9	300	250	-14	83	8	20k	6.5	6.7W

 
 

P2 

B4	1	2	3	4
	a	g1	f	f

 
Triode (Bright Emitter)

Triode	Vh	Va	ra	gm
	3.5 - 4.0	30-120	40,000	0.25,mu_10

 
 

P2

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.3	150	-10	19	2150	3.5

 
CV1246

P215

Triode

P2060

Ct8	1	2	3	4	5	6	7	8
	g1	-	k	h	h	-	a	g2

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	24	0.2	200	100	-19	40	5	23,000	3.15	3W

 
 

P220

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	2.0	0.2	150	-7.0	5.5	3.4

 
AR5 CV3620

P220A

Triode

P27/500

B4	1	2	3	4
	a	g	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	Pout	D
	4.0	2.0	500	-54	82	26	4%

 
PX25 PP5-400 DO24 CV1040

P41

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

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	4.0	0.95	250	-11.8	16	3,700	4.5

 
CV1408

P410

Triode

CV3621

P5283

Photomultiplier

P57

Pentode

CV1466

P61

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

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.6	250	-11.8	16	3,700	4.5

 
CV1066 VR66

P610

Triode

CV3622

P625

Triode

CV1208

P633

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.6	200	200	-1.3	27	4	65k	5	2.5W	10%

 
ECL83

P650

Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm	Pout
	6.0	0.5	200	-40	22	1300	2.7	1.1W

 
 

P788

Rectifier HW

PA1

B5	1	2	3	4	5
	a	g	h	h	k

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	4.0	1.0	200	-10	40	2000	5.0

 
41MXP ACP1 LL4 O54V

PA20

Triode

PA40

B4	1	2	3	4
	a	g1	f	f

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	Pout	rl	D
	4.0	2.0	450	-96.5	107	40W pair	4,000	5%

 
CV3623

PABC80

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

 
Triple Diode Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	9.5	0.3	200	-2.3	1	50k	1.4

 
9AK8

PC86

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

 
UHF Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	3.8	0.3	175	-1.5	12	4850	3.6

 
4CM4

PC88

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
	3.8	0.3	160	-1.25	12.5	4,800	13.5

 
4DL4

PC900

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

 
Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	4.0	0.3	200	-0.5	17	5,000	14.5

 
 

PC95

Triode

PC97

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

 
UHF Triode

Triode	Vh	Ah	Va	Vg	mAa	gm
	4.5	0.3	135	-1	11	13

 
4FY5

PCC189

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	ra	gm
	7.6	0.3	90	-1.4	15	2500	12.5

 
7ES8

PCC805

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	ra	gm
	7	0.3	90	-1.2	15	3100	9

 
30L15

PCC806

B9A	1	2	3	4	5	6	7	8	9
	k(2)	g1,s(2)	a(2)	h	h,s2	g1(1)	k(1)in	k(1)out	a(1)

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	7.2	0.3	75	-0.75	15	2.400	16.5

 
30L17

PCC84

B9A	1	2	3	4	5	6	7	8	9
	k(2)	g(2),s	a(2)	h	h	g(1)	k1-in	k1-out	a(1)

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	7.0	0.3	90	-1.5	12	4000	6

 
30L1 7AN7 B319 CV5191

PCC85

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

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	9.5	0.3	170	-1.5	10	8,000	6.2

 
9AQ8

PCC88

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

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	7.0	0.3	90	-1.2	15	2,650	12.5

 
7DJ8

PCC89

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

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	7.5	0.3	90	-1.2	15	2900	12.3

 
4021 7FC7

PCE800

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

 
Triode Beam Tetrode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	9.4	0.3	170	170	-2.1	10	2.5	7.5

 
30FL1 9GB8 LN339

PCE82

Triode Beam Tetrode

30FL12

PCF200

B10B	1	2	3	4	5	6	7	8	9	10
	k(t)	k(p)	g1	g3,s	h	h	a(p)	g2	a(t)	g1(t)

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	8.0	0.3	160	135	-1.7	13.0	5.3	14.0

 
 

PCF80

B9A	1	2	3	4	5	6	7	8	9
	at	g1	g2	h	h	ap	kp,s,g3	kt	gt

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	9	0.3	170	170	-5.5	5.2	1.5	0.87M	2.1

 
30C1 9A8 LZ319 LZ329 8A8

PCF800

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	ra	gm
	9.0	0.3	164	138	7.6	2.3	0.6M	3.3

 
30C15

PCF801

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	8.5	0.3	175	120	-1.4	10	3.0	0.35M	5.0

 
8GJ7

PCF802

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	9.0	0.3	100	100	-1	6.0	1.7	0.4M	5.5

 
9JW8

PCF805

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	7.4	0.3	155	135	-3.0	7.8	2.4	0.4M	4.7

 
30C18 7GV7

PCF806

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	8.0	0.3	170	150	-1.2	10	3.3	0.35M	12

 
 

PCF808

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	7.4	0.3	160	160	-1.7	12	4	0.4M	14.5

 
30FL14

PCF82

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	ra	gm
	9.5	0.3	250	110	10.0	3.5	0.4M	5.2

 
9U8

PCF84

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	9.0	0.3	170	170	-0	8.0	2.7	0.4M	2.5

 
 

PCF86

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	8.0	0.3	190	140	-1.5	8.5	2.7	0.35M	4.5

 
8HG8

PCF87

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	7.4	0.3	155	135	-3.0	7.8	2.4	0.4M	4.7

 
30C17

PCH200

B10B	1	2	3	4	5	6	7	8	9	10
	k,g5,s	g3	g1	g2,g4	h	h	a	g1(t)	k(t)	a(t)

 
Triode Heptode

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs
	8.5	0.3	14.0	14	-1.8	0.02	-

 
 

PCL800

Triode Pentode

30PL13 16GK8

PCL801

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	13	0.3	170	180	-9.6	28	6.5	6.5	2.0W	7%

 
30PL1 LN319 13GC8

PCL805

B9A	1	2	3	4	5	6	7	8	9
	at	gt	kt	h	h	ap	g2	kp,s,g3	g1

 
Triode Pentode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	18	0.3	170	170	-15	41	2.3	25k	7.5	3.4W

 
PCL85

PCL805/85

B9A	1	2	3	4	5	6	7	8	9
	at	gt	kt	h	h	ap	g2	kp,s,g3	g1

 
Triode Pentode

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout
	18	0.3	170	170	-15	41	2.3	25k	7.5	3.4W

 
PCL85 PCL805

PCL82

B9A	1	2	3	4	5	6	7	8	9
	gt	kp,g3,s	g1	h	h	ap	g2	kt	at

 
Triode Pentode

Pentode

Vh

Ah

Va

Vs

Vg

mAa

mAs

ra

gm

Pdiss

Pout

D

16

0.3

170

170

-11.5

41

7.5

16k

7.5

7.0W

3.3W

10%

 
16A8 30PL12 9U8

PCL83

B9A	1	2	3	4	5	6	7	8	9
	at	gt	kt	h	h	ap	kp,g3	g2	g1

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pdiss	Pout
	12.6	0.3	170	170	-9.5	30	5	53k	5.5	5.4W	2.2W

 
CV5144 LN309

PCL84

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	15.0	0.3	220	220	-3.4	18.0	3.1	150,000	10

 
15DQ8

PCL85

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	18.0	0.3	170	170	-15	41	2.7	25,000	7.25

 
18GV8 PCL805

PCL86

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

 
Triode Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	13.3	0.3	230	230	-5.7	41	10.5	45,000	10.5	4.1W	10%

 
14GW8 8HG8

PCL88

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

 
Triode Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	16.0	0.3	170	170	-15	50	3.0	7.6

 
30PL14 LN329

PD220

B7	1	2	3	4	5	6	7
	g1(2)	g1(1)	a(1)	f	f	-	a(2)

 
Double Triode

Triode	Vh	Ah	Va	Vg	mAa	gm	Pout	D
	2.0	0.2	150	-1.15	0.4	0.9	2.85W	5%

 
 

PD500

B9D	1	2	3	4	5	6	7	8	9	tc
	k	s	-	h	h	-	-	g1	-	a

 
Triode

Triode	Vh	Ah	Va	mAa	Pdiss
	7.3	0.3	25,000	1.6	30W

 
 

PE7B

Photocell

GS56

PE8

Photocell

VS18MO

PF818

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

 
30F5 Z329 7ED7 30FS

PFL200

B10B	1	2	3	4	5	6	7	8	9	10
	g1(2)	k,g3(2)	g2(2)	a(2)	h	h	k,g3,s(1)	g1(1)	g2(1)	a(1)

 
Double Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	16.5	0.3	170	170	-2.6	30	6.5	40k	21

 
 

PJ23

Photocell

3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU1 PJ23 R59A WL735

PK150

Klystron

CV0150

PL302

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

 
Pentode

Beam Tetrode	Vh	Ah	Va	Vs	Pdiss
	25.0	0.3	400	250	10.0W

 
30P19 N389

PL33

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	19	0.3	250	250	-6	36.0	4.0	50,000	9.0	4.5	10%

 
 

PL36

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	Pdiss
	25	0.3	170	170	100	8.0	10.0W

 
25E5 

PL38

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	Pdiss
	30	0.3	200	200	75	9.0	25W

 
 

PL500

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	Pdiss
	27	0.3	230	200	100	10	12W

 
27GB5 PL504

PL504

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs
	27	0.3	75	200	440	30

 
27GB5 PL500

PL508

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa	mAs	Pdiss	ra
	17	0.3	190	190	60.0	5.0	12W	10,000

 
17KW6

PL509

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	mAa
	40	0.3	160	160	1400,Pdiss_30W

 
 

PL519

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs
	40.0	0.3	160	160	-10	1,400	45.0

 
 

PL801

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

 
Beam Tetrode

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm	Pout	D
	12.6	0.3	170	180	-10.3	31	7.3	6.7	2.25	7%

 
30P12 N369 12FB5

PL802

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	16.0	0.3	170	170	-1.3	30.0	6.5	40.0

 
 

PL81

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	Pout	D
	21.5	0.3	200	200	-31.5	87	12.5	20W	5.5%

 
21A6 CV5077 N152 N359

PL82

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rk	rl	Pout	D
	16.5	0.3	170	170	-10.4	53.0	10.0	20,000	9.0	165	3,000	4.0W	10%

 
16A5 30P16 N329 N154

PL83

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	15	0.3	170	170	-2.3	36.0	5.0	0.1M	10.0

 
15A5 N153 N309

PL84

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	15	0.3	170	170	-12.5	70	5.0	20,000	6.4	3.5W	10%

 
15CW5 30P18 N379

PM04

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

 
Pentode

Pentode	Vh	Ah	Va	Vs	Vg	mAa	gm