供应罗芬激光机射频激励功率源电子管*K12-4

    江西景光电子有限公司近年开发生产的适用于德国罗芬激光器作激励功率源用的*K12-4电子管现已大量供应欧美和国内市场。该电子管用在罗芬公司DC010、DC015激光器上，激励功率小于1.5千瓦，在国内与多家激光机生产厂家整机配套。如上海团结普瑞玛激光切割机SLCE-12*18H（非金属切割，如木材木板，PVC板材）激光功率源就选择这款产品。国内终端用户在更新维修时也多因性价比和国内售后服务便利的优势选择该国产管作为替代产品。The *K 12-4 is a high-power, high-μ triode designed specifically for industrial applications.This tube uses a coaxial design and metal-ceramic technology. It may be operated in CW or pulse modes. For operation in pulse mode, the parameters depends on each equipment characteristics,contact us for specific information.This product is designed, developed and manufactured at an ISO 9001 registered production site.

Electrical characteristics

Cathode thoriated tungsten

Filament voltage 灯丝电压 ( 5 %, -10 %) (1) 5.8 V

Filament current 灯丝电流   145 A

Surge current 600 A max.

Cold resistance 5 mÙ

Capacitances :

• grid-anode  输出电容21 pF

• grid-cathode输入电容 60 pF

• cathode-anode (2)跨路电容 0.2 pF

Amplification factor 放大系数220 approx.

Transconductance (Va : 10 kV, Ia : 4 A) 跨导65 mA/V approx.

Mechanical characteristics

Operating position vertical, anode up or down

Weight净重3.1 kg approx.

Dimensions see outline drawing

Filament connections connector TH 16143

Maximum ratings

Frequency (3)  工作频率120 MHz

Anode voltage 阳压:

• up to 80 MHz 12 kV

• from 80 to 100 MHz 10 kV

• from 100 to 120 MHz 8 kV

Control grid voltage控制栅栅压  - 1500 V

Peak cathode current, CW 28 A

Anode dissipation阳*耗散功率:

• industrial water 13 kW

• distilled or deionized water 15 kW

Grid dissipation 栅*耗散功率:

• up to 80 MHz 450 W

• from 80 to 100 MHz 420 W

• from 100 to 120 MHz 390 W

Grid resistance (tube non conducting) 10 KÙmax.

Cooling

Anode cooling water阳*水冷却

Cooling water flow and pressure gradient see cooling curves

Temperature at outlet (industrial water) 60 °C max.

Cooling water inlet pressure 5 bar max.

Temperature at any point on tube envelope 220 °C max.

Air flow on filament head 0.5 m3/mn

T*ical operation (4) 典型工作状态

Cl* C RF amplifier or oscillator, CW

Frequency                                     30       60 MHz

Anode voltage                              10         8 kV

Grid bias                                   - 210       - 200 V

Grid voltage                                515         500 V

Anode current (5)                           4         3.8 A

Grid current (5)                             1.4        1.4 A

Anode input power                       40       30.4 kW

Anode output power (oscillator)  30         22 kW

Anode dissipation (5)                    9          8 kW

Grid dissipation (5)                     370        370 W

Grid drive power (6)

(circuit losses not included)        665        645 W

Grid resistance (oscillator)            150       140Ù