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Description

High-slope pentodes for high-frequency broadband voltage amplification in the input stages of electronic devices. Design - in a glass shell, miniature. Weight 15 g.

**Main parameters at U n = 6.3 V, U a = 150 V, U c2 = 150 V (for E180F U c2 = 180 V), U c1 = 0 V, R k = 80 Ohm (for E180F R k = 100 Ohm)**
Parameter	Terms	6Zh9P	6Zh9P-E	E180F	Unit rev.
Analog	—	E180F, 6688	—	—	—
Filament current	—	300±30	300 +20 -25	300	mA
Anode current	—	15±4	15±4	11.5	mA
Anode current	at the beginning of the characteristic at U c1 = -8 V	≤10	≤10	—	μA
Second grid current	—	≤4.5	2.4 +0.6 -0.8	2.9	mA
Reverse current of the first grid	at U c1 = -2 V	≤0.3	≤0.2	0.5	μA
Leakage current between cathode and heater	—	≤20	≤15	—	μA
Slope	—	17.5±3.5	17.5±3.5	15.9	mA/V
Slope	U n \u003d 5.7 V	≥11	≥12	—	mA/V
Internal noise resistance	—	150	100	90	kOhm
Equivalent noise impedance	—	0.35	0.35±0.25	—	kOhm
Input impedance	at f = 60 MHz	5	5	—	kOhm
Input impedance	at f = 100 MHz	—	—	2	kOhm
Vibration voltage	at R a = 700 Ohm	≤70	≤40	—	mV
Interelectrode capacitances	input	8.5±1	7.8±0.8	7.5 +0.9 -1.1	pF
	day off	3±0.5	2.7±0.8	3.5±1
	checkpoint	≤0.03	0.02-0.03	0.03
	cathode heater	≤7	4.5-6.5	—
Operating time	—	≥2000	≥5000	10000	h
Criteria for evaluation
Reverse current of the first grid	—	≤1.5	≤2	≤1	μA
Slope	—	≥11	≥11	≥11	mA/V
Slope change	—	≤±25	≤15	—	%

**Limiting performance data**
Parameter	Terms	6Zh9P	6Zh9P-E	E180F	Unit ism
Heating voltage	—	5.7-7	6-6.6	6-6.6	AT
Anode voltage	—	250	160	210	AT
	with the lamp off	285	285	—
	when turned on	—	—	400
Voltage of the second grid	—	160	150	175	AT
	with the lamp off	285	200	—
	when turned on	—	—	400
Negative voltage of the first grid	—	100	100	100	AT
Voltage between cathode and heater	at positive heater potential	100	100	60	AT
Voltage between cathode and heater	at negative heater potential	150	100	60	AT
cathode current	—	35	22	25	mA
Power dissipated by the anode	—	3	3	3	Tue
Power dissipated by the second grid	—	0.75	0.45	0.9	Tue
Resistance in the circuit of the first grid	—	one	0.5	0.5	MOm
Bulb bulb temperature	—	130	130	155	°C
Resistance to external influences
Acceleration	at vibration with a frequency of 5-600 Hz	6	6	—	g
	with multiple hits	75	150	—
	in single strikes	—	500	—
	permanent	—	100	—
Ambient operating temperature range	—	-60…+150	-60…+100	—	°C