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產品中心鳥牌BIRD│半導體解決方案鳥牌│Bird假負載8645B 8646B系列Bird 25KW負載（8645B 8646B系列）
產品簡介
Bird 25KW 負載（8645B 8646B系列）25 kW, Forced-Air Cooled Terminations（風冷）25 kW continuous** See note 21.1 max. 1 kHz - 900 MHz （DC for continuity checks）Water Only: +5 to +45 °C （41 to 113 °F）35% Et
Bird 25KW 負載（8645B 8646B系列）
（8645B115 8645B230 8645B230-6 8646B115 8646B230 8646B230-6）
8640B Series, 25 kW, Forced-Air Cooled Terminations are available in models to work with 115 or 230 volts at 50 or 60 Hz. This compact high-power 50-ohm termination efficiently dissipates up to 25 kW of RF over a wide frequency range up to 1 GHz. The RF input connector is located in the center of the side of the nearly cube-shaped unit.
Forced-air heat exchanger cooled load for high-power applications up to 1 GHz
Compact, low-profile design saves space in crowded transmitter sites
Interlock control circuit provides fail-safe protection of the transmitter and load resistor in the event of an ac power failure to the blower or coolant pump
8640b系列，25千瓦風冷式終端可在115或230V在50或60赫茲的電壓工作。這種緊湊型高功率50歐姆終端有效地消散到射頻功率25在很寬的頻率范圍高達1 GHz。射頻輸入連接器位于正方形側面中心。
強制空氣熱交換器冷卻負荷大功率應用到1 GHz
結構緊湊，低剖面設計節省空間
聯鎖控制電路提供安全保護的變送器和負載電阻在發生交流斷電的風機或水泵
·
8640B Series, Terminations（系列負載終端） | ||
Model（型號） | Connector（連接器） |
|
8645B | 3-1/8" EIA, Flanged（法蘭） |
|
8646B | 3-1/8" EIA, Unflanged（法蘭） |
|
Power（電源） | Add Suffix to Model（后綴） |
115 V 60 Hz | -115 |
230 V 50 Hz | -230 |
230 V 60 Hz | -230-6 |
Notes:
1. * Below 5°C, ONLY use 35% E.G. and 65% Dist. H2O mixture
2. ** Above 30°C (86 °F) with water only, or 25°C (77 °F) with a 35% ethylene glycol mixture, derate power to 20 kW max.
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