KyteLabs InfoBase - Electron Tubes & Valves Data	Last modified: 2007-10-02 (15308)

9	Grenzwerte Maximum Ratings
9.5	Tetroden und Pentoden Tetrodes and Pentodes
9.5.1	Indirekt geheizte Kleinsignaltypen Indirectly-Heated, Small-Signal Types

Pa = 0.1 ... 1.0 W
		Pa	Pg2		Ua	Ug2		Ik	Rg1 @Rk	Ufk+	Ufk–	Tb		Rate	Ref *?
6GE8		1.0	0.5		330	275		-	2.2	200	100	-		MAX	Tse60
		W	W		V	V		mA	MOHM	V	V	°C		15307
		Pa	Pg2		Ua	Ug2		Ik	Ufk	Uf	fmax	Tb		Rate	Ref *?
5905		-	-		55	55		10	±100	25.2- 27.8	400	220		ABS	Syl57
		W	W		V	V		mA	V	V	MHz	°C		14676

		Pa	Pg2		Ua	Uao	Ug2	Ug1		Rg1	Ufk	Uf	Tb		Rate	Ref *?
6788		0.5	0.15		250	500	150	–55 /0		4.0	±100	5.7- 6.9	250		ABS	Syl57
		W	W		V	V	V	V		MOHM	V	V	°C		14677

		Pa	Pg2		Ua	Ug3	Ug2	Ug1		Ig3	Ig1	Ik	Rg1	Ufk	Uf	Tb		Rate	Ref *?
5784 WA						–55		–55						–200	5.7			min	Ray57 MAX
		0.79	0.6		165	30	155	0		0.2	1.0	16.5	1.2	+200	6.9	220		max
		W	W		V	V	V	V		mA	mA	mA	MOHM	V	V	°C		14678

		Pa	Pg2		Ua	Uao	Ug2	Ug2o		Ik	Rg1	Rg1 @Ig1	Ufk	Tb		Ref *?
EF40		1.0	0.2		300	550	200	550		6.0	3.0	22	100	-		Phi52 Phi54
		0.2									10
EF804S  EF806S		1.0	0.2		300	550	200	550		6.0	3.0	22	100	170		Tfk65
		0.2									10
		W	W		V	V	V	V		mA	MOHM		V	°C		14318

Pa = 1.1 ... 2.0 W
		Pa	Pg2		Ua	Uao	Ug2	Ug2o		Ik	Rg1	Rg1 @Ig1	Ufk	Tb		Ref *?
EF804		1.5	0.2		300	550	200	550		6.0	3.0	22	100	170		Tfk65
		0.2									10
		W	W		V	V	V	V		mA	MOHM		V	°C		14809
		Pa	Pg2		Ua	Uao	Ug2	Ug2o		Ia	Ik	Rg1	Rg1 @Rk	Ufk		Ref *?
UAF41		2.0	0.3		250	550	250	550		3.0	10	3.0	-	150		Phi53
							150			6.0
EAF41		2.0	0.3		300	550	300	550		2.5	10	3.0	-	50		Phi53
							125			5.0
UF21		2.0	0.3		250	550	250	550		3.0	10	3.0	-	150		Phi53
							150			6.0
UF41		2.0	0.3		250	550	250	550		4.0	10	-	3.0	150		Phi52 Phi53
							150			7.2
EF41		2.0	0.3		300	550	300	550		3.0	10	3.0	-	100		Phi53
							125			6.0
EF410		2.0	0.3		300	-	125	-		-	10	1.0	-	50		Rtt94
		W	W		V	V	V	V		mA	mA	MOHM		V		14809
		Pa	Pg2		Ua	Uao	Ug2	Ug2o		Ik	Rg1	Ufk–	Ufk+	Tb		Ref *?
ECF804		2.0	0.5		250	-	175	-		-	-	-	-	-		Rat64
ECF82		2.0	0.5		300	550	300	550		20	1.0	90	220	150		Wfb61
		W	W		V	V	V	V		mA	MOHM	V	V	°C		15308

		Pa	Pg2		Ua	Uao	Ug2	Ug2o		Ia	Ik	Rg3	Rg1	Rg1 @Ig1	Ufk		Ref *?
UAF42		2.0	0.3		250	550	250	550		2.5	10	3.0	3.0	-	150		Phi52 Phi53
							125			5.0
EAF42		2.0	0.3		300	550	300	550		2.5	10	3.0	3.0	22	100		Phi52 Phi53
							125			5.0
		W	W		V	V	V	V		mA	mA	MOHM			V		14322

		Pa	Pg2		Ua	Uao	Ug2	Ug2o	Ug1		Ik	Rg1 @Ug1	Rg1 @Rk	Ufk		Rate	Ref *?
12A7		1.1	-		135	-	135	-	-		-	-	-	-			Rca43
UF42		2.0	0.5		250	550	250	550	–100		15	-	1.0	150			Phi50
ECF801		2.0	0.45		250	550	250	550	–50		18	1.0	2.2	100		CEN	Phi62
		W	W		V	V	V	V	V		mA	MOHM		V		14491

		Pa	Pg2		Ua	Ubg2	Ug1		Ik	Rg1	Ufk	Ufk (PK)		Rate	Ref *?
6CY5		2.0	0.5		180	180	0		20	-	±100	-		MAX	G2 Get58
		2.0	0.5		180	180	0		20	0.5	-	±100		MAX	G2 Rca59
		W	W		V	V	V		mA	MOHM	V	V		15073

		Pa	Pg2		Ua	Uao	Ug2	Ug1		Ik	Rg1	Ufk	Uf	Tb	fmax		Rate	Ref *?
5906								–55				–200	25.2				min	Ray57 ABS
		1.1	0.55		165	330	155	0		16.5	1.1	+200	27.8	220	400		max
		W	W		V	V	V	V		mA	MOHM	V	V	°C	MHz		14687

Pa = 2.1 ... 3.0 W
Pa Pg2 Ua Ug2 Ik Rg1 Ufk Tb Ref *? PTT212P  PTT213P 2.4 0.6 225 225 15 1.0 ±70 175 Csf64   W W V V mA MOHM V °C 15264
Pa Pg2 Ua Uao Ug2 Ug2o Ik Rg1 Ufk fmax Ref *? 19Q9 3.0 - - - - - - - - - Syl64 EF54 3.0 1.7 300 550 300 550 15 3.0 100 250 Mul47   W W V V V V mA MOHM V MHz 14528
Pa Pg2 Ua Ug2 Ik Rg1 Ufk Uf tf Tamb Tb Ref *? 6K4P 3.0 0.6 300 125 20 0.5 ±90 5.7/6.9 - –45/+70 - Ccc77 6K4P-EW 3.0 0.6 300 125 20 0.5 90 5.7/7.0 30 –60/+90 160 Ccc77   W W V V mA MOHM V V s °C °C 14815
Pa Pg2 Ua Ug2 Ug1 Ik Ik (PK) Rg1 Ufk (PK) Ufk– (DC) Uf Rate Ref *? 6GH8A  2.5 0.55 350 330 –175 .. 0 20 0.3 2.2 ±200 100 5.7 ..6.9 [MAX] Get58   W W V V V mA A MOHM V V V V 15094

Pa = 3.1 ... 4.0 W
Pa Pg2 Ua Uao Ug2 Ug2o Ug1 Ik Rg1 @Rk Ufk Ref *? EF42 3.5 0.7 300 550 300 550 –100 25 - 1.0 100 Phi53 EF43 3.75 0.7 300 550 250 550 - 20 1.0 - 100 Phi51 UF43 3.75 0.7 300 550 250 550 - 20 1.0 - 150 Phi52 6F14 4.0 1.0 250 - 250 - - - - - 150 Mik60   W W V V V V V mA MOHM V 14467
Pa Pg2 Ua Ug2 Ubg2 Ug1 Ik Ufk Ufk (PK) Ufk– (DC) Rate Ref *? 6EW6 3.1 0.65 330 165 330 0 - - ±200 100 [MAX] G2 Get58 6AH6 3.2 0.4 300 150 300 - 13 90 - - [CEN] Get51 Tse62 6485 3.2 0.6 300 150 - - 25 - - - [CEN] Ray55   W W V V V V mA V V V 15074

Telefunken   RS248	Telefunken   RS381