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Click Here to view Power Grid Tubes in our Online Catalog! Power Grid Tubes

Richardson maintains a wide range of triodes, tetrodes and planar triodes to meet your high voltage switching needs. We offer products for laser and medical diagnostics systems made by:

Bystronics, Carl Baasel Lasertechnik, Coherent, Convergent Technologies, Electrox, GE, Iowa Laser, Laser Maching, Lumonics, Mazak, Philips, Photon Sources, PRC, Rofin Sinar, Synchron, Trumpf, Wegman Baasel Laser, Zed Instruments and a host of others.

No matter what application your working on, you can count on Richardson to deliver quality products at competitive prices. Our product offering includes products manufactured by the worlds leading power and special purpose tube manufacturers - Eimac, Amperex, National Electronics, Thales (formerly Siemens) and Toshiba to name a few. We have products in stock and ready to ship the same day you call. For tubes you only need one source-Richardson Electronics.

Power Grid Triodes and Planar Triodes

Part Number Amplification Factor (µ) Cooling Method Filament Current (A) Filament Voltage (V) Peak Anode Voltage (kV) Peak Cathode Current (A) Typical Anode Current (A) Typical Anode Voltage (V) Typical Power Out (kW)
AX3021CJ 120 Water 135 5.7 14 25 2.5 10000 18
E3097 35 Forced Air 22 6.3 20 1.5 0.6 15000 5.4
NL11826 130 Forced Air 14.6 5 20 4.5 1 18000 0.6
RS3021CJ See AX3021CJ  For A Direct Drop In Replacement!
Y504 200 Forced Air 14.1 5 10 0.5 0.4 8000 500
Y811 200 Mixed 2.25 6.3 70 10 8 65000  
Y812 200 Mixed 2.25 6.3 45 10 8 40000  
Y820 200 Mixed 2.25 6.3 30 12 10 25000  
Y870 200 Forced Air 11.2 5.5 30 50 40 40000 0.5
Y871 200 Mixed 2.25 6.3 18 16 14 15000  
YC156 See YC156A For A Direct Drop In Replacement!
YC156A 200 Forced Air 14 15 12 67 60 12000 60
YC179 See 3CPX5000A7-MED  For A Direct Drop In Replacement!
YD1177/8958 45 Water 130 5.8     3.4 10000 27
YU124 200 Mixed 2.25 6.3 25 12 10 20000  
3CPX800A7 200 Forced Air 1.5 13.5 3.5 0.6 0.43 3200 0.9
3CPX1500A7 200 Forced Air 11.2 5.5 15 50 40 40000 0.5
3CPX3500U7 200 Forced Air 13 15 6.5 54 12 6400 41
3CPX5000A7 200 Forced Air 14 15 12 67 60 12000 60
3CPX5000A7-MED 200 Forced Air 14 15 12 67 60 12000 60
3CW40000A5 55 Water 12 120 12 9 7 10000 60
7003/ML7003 200 Forced Air 60 6 45 60 40 40000 1.2
7003A/ML7003A Ruggedized Version Of The 7003/ML7003
8972/X2176 23 Water 640 16.3 20 200 110 18000 1500
NOTE: The information in the table above is for reference only and is subject to change without notice. Please consult a Richardson Electronics salesperson for the most up to date information available.

Power Grid Tetrodes

Part Number Cooling Method Filament Current (A) Filament Voltage (V) Peak Anode Voltage (kV) Peak Cathode Current (A) Plate Dissipation (W) Typical Anode Current (A) Typical Anode Voltage (V) Typical Power Out (kW)
4CM2500KG/X2274 Vapor 675 15.5 27 200 2500000 175 24000 2800
4CPL1000C Forced Air 4.9 6.3 20 8 1000 7 15000 -
4CPW300000A/9008 Water 660 12 100 90 300000 70 83000 -
4CPW1000KA/9009 Water 215 15.5 110 100 1000000 50 90000 4350
4CV50000J Vapor 215 12 17.5 12 50000 9.8 8300 45
4CW100000E Water 215 15.5 20 16 100000 19.5 15000 200
4CW250000B Water 660 12 20 40 250000 33 19000 460
4CW25000A Water 160 6.3 10 5 25000 4.5 10000 36.5
4CW25000B Water 160 6.3 10 6 25000 4 8000 30
4CW30000A Water 140 10 10 5 30000 4.2 9000 28.9
4CW50000J Water 215 12 17.5 12 50000 9.8 8300 45
4CX5000A-MED Forced Air 90 5 7.5 3 5000 2.8 7500 16
4PR1000A/8189 Forced Air 21.3 7.5 30 8 1000 8 30000 0.22
4PR125A/8247 Forced Air 6.5 5 6 0.22 125 5 4000 -
4PR250C/8248 Forced Air 14.7 5 50 5.5 250 4 35000 -
4PR400A/8188 Forced Air 14.7 5 20 5.4 400 3.5 18000 0.64
7378/QE08/200 Forced Air 3.9 6.3 1.1 0.4 100 0.385 750 0.2
8960 Forced Air 36 7 50 12 1200 10 4500 0.425
8973 Water 650 18.5 22.5 65 1000000 59 21000 1025
AX1583A Force Air 14.1 5 30 0.45 500 0.69 15000 0.66
AX5184 Oil 17 7.5 85 5 1000 0.3 4000 -
AX5186 Oil 17 7.5 100 5 1500 1.5 5000 -
C1583A Forced Air See AX1583A For A Direct Drop In Replacement!
NL10277 Forced Air 14.7 5 20 5.4 500 3.8 18000 0.64
NL10277-1 Forced Air 14.7 5 20 5.4 500 3.8 18000 0.64
Q450-2 Forced Air See NL10277-1 For A Direct Drop In Replacement!
Q450-4/AXQ450-4 Forced Air See NL10277-1 For A Direct Drop In Replacement!
Q450-5/AXQ450-5 Forced Air See AX1583A For A Direct Drop In Replacement!
RS2058CJ Forced Air 185 11 12 100 90000 8.8 10000 64
TH5184 Oil See AX5184 For A Direct Drop In Replacement!
TH5186 Oil See AX5186 For A Direct Drop In Replacement!
YC108 Forced Air See 4CX5000A-MED For A Direct Drop In Replacement!
YU204 Forced Air 21.3 7.5 30 8 1000 8 30000 220
NOTE: The information in the table above is for reference only and is subject to change without notice. Please consult a Richardson Electronics salesperson for the most up to date information available.

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