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产品中心鸟牌BIRD│半导体解决方案鸟牌│Bird假负载8645B 8646B系列Bird 25KW负载（8645B 8646B系列）
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Bird 25KW 负载（8645B 8646B系列）25 kW, Forced-Air Cooled Terminations（风冷）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 负载（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，25千瓦风冷式终端可在115或230V在50或60赫兹的电压工作。这种紧凑型高功率50欧姆终端有效地消散到射频功率25在很宽的频率范围高达1 GHz。射频输入连接器位于正方形侧面中心。
强制空气热交换器冷却负荷大功率应用到1 GHz
结构紧凑，低剖面设计节省空间
联锁控制电路提供安全保护的变送器和负载电阻在发生交流断电的风机或水泵
·
8640B Series, Terminations（系列负载终端） | ||
Model（型号） | Connector（连接器） |
|
8645B | 3-1/8" EIA, Flanged（法兰） |
|
8646B | 3-1/8" EIA, Unflanged（法兰） |
|
Power（电源） | Add Suffix to Model（后缀） |
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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