6188

Special-quality twin triode designed for long-life, high-reliability amplifier service, providing two similar sections for critical industrial or professional electronic equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 300 mA

Description

THE 6188/6SU7WGT IS A RUGGEDIZED, HIGH MU, TWIN TRIODE IN THE OCTAL

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 300 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 44000 Ω
Transconductance: 0.0016 S
Amplification factor: 70
Max plate voltage: 275 V
Max plate dissipation: 1.1 W
Max cathode current: 12 mA

Representative row for electrically identical repeated sections.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 44000 Ω
Transconductance: 0.0016 S
Amplification factor: 70
Max plate voltage: 275 V
Max plate dissipation: 1.1 W
Max cathode current: 12 mA

Second physical triode restored.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate Voltage
250 V
ClassA;EachSection
Service
Military/industrial voltage amplifier or oscillator

Characteristic

Plate Current
2.3 mA
ClassA;EachSection

Data set 02

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater voltage
6.3 V
Nominal
Heater current
300 mA
Nominal
Maximum plate voltage
275 V
Promoted published value
Maximum plate dissipation
1.1 W
Promoted published value
HEATER VOLTAGE
6 V
RATINGS
MAXIMUM DC PLATE VOLTAGE
275 V
RATINGS
MAXIMUM HEATER-CATHODE VOLTAGE
1100 V
RATINGS
MAXIMUM PLATE DISSIPATION (EACH SECTION)
1.1 W
RATINGS
MAXIMUM BULB TEMPERATURE +165 oG
165 mA
RATINGS
PLATE VOLTAGE
250 V
CLASS A l AMPLIFIER (EACH SECTION)
GRID VOLTAGE _
2 V
CLASS A l AMPLIFIER (EACH SECTION)
PLATE CURRENT
2.3 mA
CLASS A l AMPLIFIER (EACH SECTION)
PLATE RESISTANCE
0 ohm
CLASS A l AMPLIFIER (EACH SECTION)
AMPLIFICATION FACTOR 70
70 A
CLASS A l AMPLIFIER (EACH SECTION)
HEATER CURRENT
325 mA
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN
HEATER CATHODE LEAKAGE (Ehk=f
10 V
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN

Characteristic

Plate resistance
44000 ohm
Promoted published value
Transconductance
1600 uS
Promoted published value
Amplification factor
70
Promoted published value
PLATE CURRENT 1.55 3.05 2.00 2.60 --- --- mAdc
2.6 mA
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN
PLATE CURRENT DIFFERENCE F --- t0.1 _-- _-- Vdc
0.1 V
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN
GRID CURRENT DIFFERENCE F --- t
1.5 V
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN
ENVELOPE TEMPERATURE =
165 C
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN
PINS. TEMP.= 25+5 L~ HUMIDITY=O, VOLTAGE SHALL BE OF SINUSOIDAL WAVEFORM AT F=
60 Hz
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN
OHMS RESISTANCE BETWEEN #1 GRID AND GROUND.
1 ohm
CHARACTERISTICS RANGE VALUES FOR EQUIPMENT DESIGN