EIMAC

8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube. 

Used
MFR: Eimac
SKU: 4PR400A-EI-P

8188/4PR400A Radial-beam Pulse Tetrode Modulator Oscillator Amplifier tube. 

Low Hour Pull
MFR: Eimac
SKU: 4PR400A-JAN-LHP

Low HOur Pull * No longer available for export
MFR: Penta
SKU: 4PR400A-PENTA-LHP

Eimac Transmitting Tube, Microwave Triode
New Old Stock * No longer available for export
MFR: Eimac
SKU: 2C39BA-EIMAC
Six Month Warranty

4-400A  EIMAC Transmit Tube (NOS)

New Old Stock * No longer available for export
MFR: Eimac
SKU: 4-400A-EI-NOS

New Old Stock * No longer available for export
MFR: Penta Labs
SKU: 4-400A-JAN-CBCZ-P

New Old Stock * New In Box * No longer available for export
MFR: Eimac
SKU: 4-400B-7427 EI-NOS-NIB

The VA-218 is a fixed frequency reflex klystron designed to operate in the increasingly important public service radio location band. 

Frequency: 10.525kMc  ±0.012kMc

New Old Stock * No longer available for export
MFR: Varian
SKU: VA-218B

• Filament: Thoriated Tungsten
• Voltage: 7.5
• Current: 20.0 – 22.7 Amps
• Amplification Factor: 6.1 – 7.7

Low Hour Pull * No longer available for export
MFR: Eimac
SKU: 4-1000A-EI-LPH

Data Sheet

This tube has been recently tested and meets all technical specifications. The Warranty period for this tube is Thirty Days from the date of purchase, for the original customer only.  Please follow the instruction insert for proper installation.