Power tube 5867A Glass Tube TB3/750 Power Valve Vacuum Glass tube
Specifications
| Return Shipping Will Be Paid By | Seller |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 30 Days |
| Refund Will Be Given As | Money Back |
| Brand | sanle |
| Type | 5867a |
| Model | 5867a |
| Country/Region Of Manufacture | China |
Brand NEW.Package listing:5867a *1pcs The electronic tube TB3/750 -（5867A） is a direct heating thorium tungsten carbidecathode and glass triode.The anode cooling method is natural cooling, with a maximum anode dissipation powerof 350W, a maximum operating frequency of 50MHz, and an output power of 1.2KW.This tube can be used for power amplification or oscillation in industrial heating equipment.电参数Electrical parameters灯丝电压 Filament voltage……………………………………5V灯丝电流 Filament current……………………………………14.5A最大瞬时灯丝电流 Maximum instantaneous filament current………………………21A放大系数 Amplification factor……………………………………25跨导（Ia=2A) Transconductance………………………………5mA/V极间电容 Interpolar capacitance阳极—栅极 Anode Grid……………………………6.2pF阴极—栅极 Cathode Grid……………………………7.5pF阳极—阴极 Anode Grid……………………………0.5pF机械性能 Mechanical performance质量 Weight ………………………………………About 0.23Kg安装方式 Installation method ……………… 垂直,阳极引出端向上 Vertical, with the anode outlet facing upward冷却方式 Cooling method……………………………………自然冷却 Natural cooling最小风量 Minimum air volume ……………………………………25m³/min管壳最高温度 Maximum temperature of the shell………………………………225℃ 阳极封接处最高温度 Highest temperature at the anode sealing………………………220℃芯柱封接处最高温度 Highest temperature at the sealing point of the core column………180℃极限运用值 Extreme operating value最大阳极直流电压 Maximum anode DC voltage………………… 4KV最大栅极直流负偏压 Maximum gate DC negative bias………………………—500V最大阳极直流电流 Maximum anode DC current…………………………400mA最大阳极耗散功率 Maximum anode dissipation power…………………………350W最大栅极耗散功率 Maximum gate dissipation power…………………………30W典型工作状态:丙类电报 Typical working state: Class C telegraphy灯丝电压 Filament voltage……………………………………5V阳极直流电压 Anode DC voltage………………………………4KV栅极直流电压 Gate DC voltage………………………………-350V阳极直流电流 Anode DC current………………………………380mA栅极直流电流 Gate DC current………………………………80mA阳极输出功率 Anode output power………………………………1.2KW Note:Natural cooling can generally be used when working under matching loads, but the equipment must have good ventilation inside.If forced air cooling is required when working under nonmatching loads, high positive pressure, and high frequency conditions, air should be supplied fromthe bottom to the top of the electronic tube through a socket.
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