Z2835

General Electric high-mu ceramic-metal planar triode for RF oscillator and power-amplifier applications. High transconductance and compact planar construction provide useful gain from a small high-frequency power device.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 400 mA

Description

The Z-2835 is a high-mu triode of ceramic-and-metal planar comstruction. The tube is intended for radio-frequency oscillator and power-amplifier applications.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: 400 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 5450 Ω
Transconductance: 0.0165 S
Amplification factor: 90
Max plate voltage: 330 V
Max plate dissipation: 5.5 W
Max cathode current: 30 mA

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater Voltage AC or DC+ 6
310.3 V
Heater Characteristics and Ratings
Heater Current
400 mA
Heater Characteristics and Ratings
Grid to Plate (g to p)
1.4 pF
Heater Characteristics and Ratings
Grid to Cathode and Heater g to (h + k)
5.1 pF
Heater Characteristics and Ratings
Plate to Cathode and Heater p to (h + k)
0.03 pF
Heater Characteristics and Ratings
Heater to Cathode (h to k)
2.4 pF
Heater Characteristics and Ratings
Plate Voltage
330 V
MAXIMUM RATINGS
Positive DC Grid Voltage
0 V
MAXIMUM RATINGS
Negative DC Grid Voltage
50 V
MAXIMUM RATINGS
Plate Dissipation
5.5 W
MAXIMUM RATINGS
DC Grid Current
10 mA
MAXIMUM RATINGS
DC Cathode Current
30 mA
MAXIMUM RATINGS
Peak Cathode Current
120 mA
MAXIMUM RATINGS
Heater Positive with Respect to Cathode
50 V
MAXIMUM RATINGS
Heater Negative with Respect to Cathode
50 V
MAXIMUM RATINGS
With Fixed Bias
0.1 MOhm
MAXIMUM RATINGS
With Cathode Bias
0.18 MOhm
MAXIMUM RATINGS

Characteristic

Plate Voltage
200 V
Average Characteristics
Cathode Bias Resistor
68 Ohm
Average Characteristics
Plate Resistance approximate
5450 Ohm
Average Characteristics
Transconductance
16500 uS
Average Characteristics
Plate Current
17 mA
Average Characteristics
Ib 10 Microamperes
-5.5 V
Average Characteristics
Heater current of a bogey tube at Ef
6.3 V
Average Characteristics