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Voltage - Triode (single high frequency) ·Triode

E86C

Special-quality UHF triode for professional high-frequency service, co-designated with EC806S.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
Noval
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 165 mA

Description

Special-quality UHF triode for professional high-frequency service; equivalent to E86C. This is the E86C co-designation of EC806S.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
Noval
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
165 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Noval - 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
2500 Ω
Transconductance
0.014 S
Amplification factor
68
Max plate voltage
440 V
Max plate dissipation
2.4 W
Max cathode current
20 mA

Published Telefunken ratings and characteristics promoted from the supplied source.

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

1955 Lorenz

Published operating points and test conditions from this source.

SECTION 1

Triode

Construction

  • Ruggedized construction

    TRUE

Application

  • Maximum intended frequency

    800 MHz

Data set 02

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    300 mA

  • EquivalentDesignation

    EC806S

  • Application

    UHF amplifier

Data set 03

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Frequency limit

    800 MHz

    Amplifier service

Characteristics

  • Noise figure

    2 dB

    700MHz

  • Cathode resistance

    250 Ohm

Data set 04

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • oscillating mixer (max. frequency

    800 MHz

    Published datasheet value

  • Lite

    10000 h

    Published datasheet value

  • Heater voltage V¢

    6.3 V

    Published datasheet value

  • Heater current I¢

    165 mA

    Published datasheet value

  • Anode current I,

    12 mA

    Published datasheet value

  • Mutual conductance S

    14 mA/V

    Published datasheet value

  • Heater current It

    175 mA

    Published datasheet value

  • Cathode resistor Ry

    800 Q

    Published datasheet value

  • Mutual conductance S

    9.5 mA/V

    Published datasheet value

  • Anode current I; =

    0.1 mA

    Published datasheet value

  • Equivalent noise resistance Req

    250 Q

    Published datasheet value

  • Frequency =

    100 MHz

    Published datasheet value

  • cathode and heater Ikt max

    10 µA

    Published datasheet value

  • and heater Vif =

    100 V

    Published datasheet value

  • anode and other electrodes Rins min

    100 MQ

    Published datasheet value

  • other clectrode =

    300 V

    Published datasheet value

  • other clectrode =

    100 V

    Published datasheet value

  • Grid to cathode Cgk

    5.6 pF

    Published datasheet value

  • Anode current I, =

    12 mA

    Published datasheet value

  • The tube is subjected during

    32 h

    Published datasheet value

  • during

    10000 h

    Published datasheet value

  • Heater voltage: The average heater voltage should be

    6.3 V

    Published datasheet value

  • heater voltage exceeding the range of

    6.6 V

    Published datasheet value

  • Anode voltage Vao max

    440 V

    Published datasheet value

  • Va max

    250 V

    Published datasheet value

  • Anode dissipation W, max

    2.4 W

    Published datasheet value

  • Grid voltage —Vg max.,

    50 V

    Published datasheet value

  • Grid dissipation Wg max,

    20 mW

    Published datasheet value

  • Grid resistor Rg max.,

    1.2 MQ

    Published datasheet value

  • Cathode current Ik max

    20 mA

    Published datasheet value

  • Voltage between cathode and heater Vit max.,

    100 V

    Published datasheet value

  • Frequency (as amplifier) f up to

    800 MHz

    Published datasheet value

  • Anode supply voltage Vha

    175 V

    Published datasheet value

  • Cathode resistor Rk

    125 Q

    Published datasheet value

  • Anode current Iy

    12 mA

    Published datasheet value

  • Anode supply voltage Vba

    220 V

    Published datasheet value

  • Grid current Ig

    50 mA

    Published datasheet value