Y654

Eimac miniature rugged high-mu planar power triode for continuous-wave and pulsed RF, modulator, and regulator service to approximately 3 GHz. High voltage and substantial dissipation support demanding microwave and control applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 1.3 A

Description

The EIMAC Y654 is a miniature rugged high-mu planar triode for cw and pulsed rf, modulator, and regulator service to 3 ghz.

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: 1.3 A
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

Transconductance: 0.038 S
Amplification factor: 135
Max plate voltage: 10000 V
Max plate dissipation: 300 W
Max grid dissipation: 1.5 W
Max cathode current: 150 mA

Promoted from printed planar-triode general characteristics and pulsed/CW maximum ratings.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
135
Transconductance
38000 uS

Other

Maximum plate voltage
10000 V
Maximum plate dissipation
150 W
Maximum grid dissipation
1.5 W
Maximum pulse cathode current
9 A

Data set 02

1975 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater voltage nominal
6.3 V
Heater current nominal
1.3 A
Transconductance
50000 uS
Amplification factor
135

Capacitance

Input/grid-cathode capacitance
9.75 pF
Output/plate-cathode capacitance
0.065 pF
Grid-plate/feedback capacitance
1.05 pF

Other

Maximum plate voltage
12000 V
Maximum plate dissipation
300 W
Maximum grid dissipation
1.5 W
Maximum cathode or pulse plate current
9 A
Maximum rated frequency
3 GHz
Grid-pulsed DC plate voltage
8000 V
GridPulsed
Plate-pulsed peak plate voltage
10000 V
PlatePulsed
Pulse plate current
6 A
Pulse grid current
2.5 A
Pulse duration
6 us
Duty factor
0.0033
Representative DC plate voltage
4000 V
GridPulsedAmplifier
Representative peak video plate current
1.8 A
GridPulsedAmplifier
Representative useful output
2500 W
GridPulsedAmplifier
Representative gain
11 dB
GridPulsedAmplifier
CW maximum plate voltage
7500 V
CW

Data set 03

1976 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater voltage nominal
6.3 V
Heater current nominal
1.3 A
Transconductance
50000 uS
Amplification factor
135

Capacitance

Input/grid-cathode capacitance
9.75 pF
Output/plate-cathode capacitance
0.065 pF
Grid-plate/feedback capacitance
1.05 pF

Other

Maximum plate voltage
12000 V
Maximum plate dissipation
300 W
Maximum grid dissipation
1.5 W
Maximum cathode or pulse plate current
9 A
Maximum rated frequency
3 GHz
Grid-pulsed DC plate voltage
8000 V
GridPulsed
Plate-pulsed peak plate voltage
10000 V
PlatePulsed
Pulse plate current
6 A
Pulse grid current
2.5 A
Pulse duration
6 us
Duty factor
0.0033
Representative DC plate voltage
4000 V
GridPulsedAmplifier
Representative peak video plate current
1.8 A
GridPulsedAmplifier
Representative useful output
2500 W
GridPulsedAmplifier
Representative gain
11 dB
GridPulsedAmplifier
CW maximum plate voltage
7500 V
CW