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Power - Triode ·Triode

YD1352S

Water-cooled magnetically focused metal-ceramic triode designed for industrial Class C RF oscillator service to approximately 5 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 6.1 A

Description

Water-cooled magnetically focused metal-ceramic triode intended for industrial RF class-C oscillator service up to 5 MHz.

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: 5 V
Nominal heater current: 6.1 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: 0.004 S
Amplification factor: 25
Max plate voltage: 4500 V
Max plate dissipation: 2000 W
Max grid dissipation: 25 W
Max cathode current: 730 mA

Water-cooled industrial RF triode

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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

8867 YD1
352 S
Oscillator output power (W,~-Wgeeqh), typical Wosc
3 kw
Oscillator
Frequency for full ratings f max
5 MHz
Oscillator
Frequency f
5 MHz
Oscillator
Oscillator output power (Wo~Wseedh) Wose
3094 W
Oscillator
Transformer voltage Vtr rms
5000 V
Oscillator
Anode voltage, mean Va
4500 V
Oscillator
Anode current, mean Iy
720 mA
Oscillator
Anode input power Wia
4000 W
Anode dissipation W,
900 W
Anode output power Wo
3100 W
Grid current, on load Ig
4.5 mA
Oscillator
off load Ig
9 mA
Grid voltage, negative Vg
360 v
Grid dissipation Wg
4.4 W
Grid resistor dissipation wRg
1.6 W
1) Max
565 V
YD1
352 S
Frequency for full ratings f max
5 MHz
Anode current, mean I, max
725 mA
Anode input power Wiy max
4 kW
Anode dissipation Wa max
2 kW
Grid dissipation w max
25 w
Grid circuit resistance Rg max
88 kQ
Cathode current, mean Ix max
730 mA
Seal temperature t max
200 °c
Heater voltage V§
5 v
Heater current If
6.1 A

Capacitance

Anode to cathode Cak
0.3 pF
Grid to cathode Cgk
9.8 pF
Anode to grid C
11.5 pF

Characteristic

CHARACTERISTICS measured at V, [1]
3 kV
CHARACTERISTICS measured at V, [2]
500 mA
Transconductance S
4 mA
Magnetic flux density B min
115 mT
Amplification factor i 25
1150 Gs
YD1
352 S
YDI1
352 S
1000 | N P Ig
20 mA
™ NS
410 mA
500 [T imA ST A
15 A
\
5 A