Name: EGL1689 thyratrons,EECTECH thyratrons
Brand: China industrial electronic components
SKU: ETH04021
Availability: InStock

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Description
Reviews

Introduce:
EGL1689 is a high voltage ceramic-metal structure thyratron, which has the characteristics of high peak anode
current and high peak pulse power. It can be mounted in any position by means of the grid mounting flange.
Cooling is achieved by natural convection, forced air, or dielectric fluid immersion.

Application：
thyratrons are widely used in scientific research,medical treatment and industry such fields,which include laser instruments,radar,pulse modulator,medical linear accelerator,tommy bar protection and other electric instruments and equipments.

Anode Parameter
Peak forward anode voltage： 35kV max
Peak inverse anode voltage： see note 1
Peak anode current： 2000A max (tp=5μs)
Peak anode current： 20000A max (tp＜１μs, see note 2)
Average anode current： 0.5A max
RMS anode current： 40A max (see note 3)

Grid drive
Unloaded grid drive pulse voltage： 750V～1500V
Grid pulse duration： 2μs (1μs min)
Rate of rise of grid pulse： 2kV/μs min
Impedance of grid circuit： 50Ω～200Ω
Loaded grid bias voltage： 0V～-150V

Electrical parameters
Cathode heater voltage： 6.3±5%V ac
Cathode heater current： 17A～22A
Reservoir heater voltage： 6.3±5%V ac (see note 4)
Reservoir heater current： 2.5A～3.5A
Minimum heater time： 5min (min)
Capacity between anode and grid： 16 pF
Capacity between grid cathode： 32 pF

Mechanical
Mounting position： Any (see note 5)
Weight About 1.5 kg
Dimension： See outline
Cooling way： Forced-air, natural, dielectric fluid immersion

Environmental
Ambient temperature： -55℃～+125℃

Typical characteristics
Critical conduction anode voltage： 2000V max
Anode delay time： 500ns max
Anode delay time drift： 150 ns max
Time jitter： 5 ns max

Notes:
1. Peak inverse anode voltage (include peak) must not exceed 10kV within 25μs after impulse current
discharge finished. Otherwise it will damage the grid and cause spark inside the tube and shorten the
working life.
2. The 20000A peak current rating presumes sub-microsecond pulse application.
3. The root mean square anode current is computed as the square root of the product of peak current and the
average current.
4. The recommended reservoir voltage is marked on the reservoir lead and is suitable for most applicatios.
5. The tube must be mounted by means of its grid mounting flange.

Outline Drawing:

For delivery time:
Generally, we will dispatch the items within 10 days upon order confirmation; some items may need 20~30 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.

For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.