High Frequency Metal Ceramic Power Grid Tube Vacuum Triode (8T25RA)

Product Description

8T25RA, it is metal ceramic high-power triode, with the directly heated thorium tungsten cathode, the anode is cooled by forced air. Max anode dissipation power 15kW, when the frequency is less than 40MHz, the continue output power can up to 28kW, this tube is mainly used as oscillators and amplifiers in industrial high frequency medium heated equipments. Electrical Characteristics

Filament Voltage	8±0.5V
Maximum filament impulse current	240A
Filament Current	130A
Amplification Factor	20
Transconductance(1a=2A)	24mA /V
Interelectrode Capacitances
Grid - Anode	32pF
Grid - Filament	46pF
Anode - Filament	1.8pF
Maximum working frequency	40MHz
Maximum Diameter	202mm
Maximum Height	402.5mm
Weight	10.7kg
Operating position	Vertical or anode down
Cooling	Forced air
Anode cooling air flow	25m³/min
Air flow on filament heat	1m³/min
Max temperature at any point tube envelope	250ºC
The highest temperature terminal	200ºC

Limit Working Conditions:
Rf Power Amplification and Oscillation
(Class C telegraphic state)

DC Anode Voltage	14kV
DC Anode Current	4.5A
DC Grid Voltage	-2000V
DC Grid Current	0.8A
Grid Dissipation	400W
Anode Dissipation	15kW

Typical Operation:
(Oscillating)

Frequency	40MHz
DC Anode Voltage	10V 12V
DC Anode Current	4 3.7A
DC Grid Current	0.4 0.4A
Grid Resistance	2.5 2.8kΩ
Anode Output Power	28 31kW

Dimension(mm) Product Picture
Product Description 8T25RA is a High frequency metal ceramic Power grid tube triode designed specifically for industrial applications. This tube uses a coaxial design and metal-ceramic technology. This tetrode may be operated in CW or pulse modes.
For operation in pulse mode, the parameters depend on each equipment characteristics.
We manufacture the following all models.
FC-10FA, FC-10FT, FC-732F, FC-735F, FC-735FT, FC305F, FC311, FC312F, FC620F, FC620FT,FD911S, FD003Z, FD-5S.
FC10FT, FC201F, FC307F, FC307FS, FC308C, FC310C, FC310F, FC502F, FC732F, FC734F, FC735F.
FU-33, FU-833A, 833A, 833C, FU-74F/RY-74B, FU-100F, FU-728F, FU-113F, FU-113FG, FU-998F, FU-5S, FU-62S, FU-610F, FU-610FA, FU-610S, FU-724F, FU-724S, FU-727F, FU-824F, FU-824FA, FU-832F, FU-834F, FU-834FA, FU-836F, FU-924F,FU-924FA,FU-928F,FU-101F,FU-101M,FU-101Z,FU-101C,FU-832C,FU-832FA, FU-832F,FU-832M, FU-917F,FU-917M, FU-307S, FU-74F, FU-250F, FU-252F, FU-946F, FU-947F FU611F, FU612F, FU613F, FU001F, FU104C, FU104Z, FU115F, FU116F, FU252F, FU615F, FU616C, FU617F, FU618F, FU720F, FU820C,FU820F, FU002F, FU617FT, FU-84F, FU-74F, FU-1608C, FU-1608F.
GU84B, GU74B, GU78B.
FM70FT,ML8533, ML8536,YU191B, YU191C, YU-148, YU-108,, YU-148, YU-191B,YL1050, YL1057, YL1631, YL1420,YD1202, YD1212.
BW1184J2F, BW1185J2F, BW1184J, BW1185J, BW1184J2, BW1185J2, BW1608J2F, BW1608J.CQK25-2,CQK50-2.
3CX4500H3,3CX6000A7,3CX2500H3,3CX2500A3,3CX2500F3,3CX3000A7,3CX3000F7,3CX1500D3,3CX10000D3,3CX10000A3,3CX10000A7,3CX10000H3,3CX15000A3,3CX15000A7,3CX15000H3,3CX20000H3,3CX20000A7,3CX800A7,3CPX800A7,3CX1500A7,3CPX1500A7,3CX5000A7,3CPX5000A7,YU-158.
YC-156,YC-156A,YC-179,YC-236,YC-257.
3CW5000F1,3CW5000F3,3CW40000H3,3CW45000H3,3CW20000A7,3CW20000H3,
3CW20000H7,3CW30000H3,3CW30000A7,3CW30000H7.
3CX2500A3,3CX2500F3,3CX2500H3,3CX3000A7, 3CX1500A7, 3CW20000A7.
4CX250B, 4CX250R, 4CX250FG, 4CX800A/RY-74B, 4CX800A, 4CX350A, 4CX350F, 4CX1000A,4CX1500B,4CX3500A,4CW1000A,4CX1500A,4CX3000A,4CX5000A,4CX5000R,4CX7500A,4CX10000D,4CX10000J,4CX15000A,4CX20000C,4CX20000D,4CX20000E,4CV100000C, 4CX250K, 4CX1500A, 4CX3000A, 4CX3500A, 4CX15000A, 4CV100000C, 4CX35000C, 4CX5000A,5CX1500A.
CTK12-4, CTK12-1, CTK15-2, CTK25-4, ITK12-1, ITK3-1, ITK5-1, ITK15-2, ITK30-2, ITK60-2, ITK70-2, ITK90-1, ITL12-1, ITL3-1, ITL5-1, ITL9-1, ITL15-2.
TH5-6, TH6-3A, TH382, TH382, TH584, TH338, TH331, TH537, TH527, TH327, TH582, TH558, TH610, TH375, TH576, TH373, TH328, TH347.
E3061, E3062, E3062E, E3069, E3130.
RS3060CL, RS3060CJ, RS3021CJ, RS3026CJ, RS3040CJ, RS3041CJ, RS3041CJ, RS3040CJ, RS3060CJC, RS3021, RS2048CJ, RS2048CJC, RS1034SK, RS1034SL, RS1072C, RS2054SK.
8560AS, 928F,836F, 8741, 7T85, 7T69, 8F75R, 7F71RA, 8F68R.
6T51, 6T58RA, 7T62R, 7T62RE, 7T85RB, FU-947F, 7T69RB, 7T84RB, 7T69RB, 8T25RA, 8T85B, 8T85RB, 8T87RB, 8F76R, 8T69JB.
SK300 Socket, SK1300 Socket, SK2210 Socket, SK184 Socket.. Certifications Packaging & Shipping FAQ

---

>> Eco friendly Compostable Disposable Wooden Travel Cutlery Knife Spoons Forks Made of smooth Birchwood
>> OEM Factory Customized Polyresin Tourist Souvenir Fridge Magnet Resin Souvenir Fridge Magnet Polystone Custom 3D Fridge Magnet Manufacturer in China
>> Wholesale Tackle Monofilament 300m Japan Fluorocarbon Japanese Long Stren High Impact Super Strong Fishing Line
>> Small 1.5 1.6 Ton Mini Digger Crawler Mini Excavator 1.8 Ton Excavator
>> Vertical Gyratory Crusher with Easy Maintenance Access Doors
>> Stainless Steel Exhaust Pipe Manifold Downpipe is Suitable for BMW 320i F30 N20 Auto Modification Electronic Valve whatsapp008618023549615
>> 100% Original Videojet 16-8540q 16-845q 16-3601q Ink and Make up Fluids for Cij Printers
>> High Quality Split Genuine Leather Wholesale Luxury Brand Fashion Belts
>> Sf6 Gas Density Relay Calibration Tester Automatic Sulfur Hexafluoride Calibrator
>> Lovely Role Play Interactive Pretend Cup Cool Mug Doll House Miniature Toy
>> Professional Energy-Saving 300W 30000lm IP65 LED High Bay Light for Warehouse Factory Workshop
>> OEM 1190521131 1190501711 Timing chain kit tensioner for Mercedes-Benz TN1059
>> 3547012M93 Landini Dual Clutch for Tractor
>> Artistic Rustic Wood Look Porcelain Tile for Floor Decoration
>> Grinding Head Move Type hydraulic Automatic Surface Grinding Machine M7150 500X1600
>> High Speed Automatic OSB Peeling Machinery for Woodworking
>> Low Noise Precision Machining Fixed Spindle Crushing Machine Multi Cylinder Hydraulic Cone Crusher with Intelligent Systems for Construction
>> Traffic Safety High Visibility Amber Solar LED Flashing Light for Road Barricade Warning
>> 3500 Ml Disposable Half Pan, Half Size Aluminum Foil Container, Kitchenware Cookware Baking Foil Cake Pan, Fast Food Packaging Container with Foil Lids
>> PVC Resin Plastic Mixer / PVC Powder Mixer Price in India