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03:17:24","2026-05-29 03:17:23",154354,4566,"154354","JFW Industries 75S-285 高隔离度1P3T射频开关","75S-285","JFW 75S-285是一款高隔离度75欧姆机电式1P3T射频开关，工作频率DC-2000 MHz，**隔离度80dB，采用常开吸收式设计，配备F型母头连接器及TTL控制逻辑。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75S-285是一款高隔离度75欧姆机电式1P3T（单刀三掷）射频开关，工作频率范围覆盖DC至2000 MHz。该开关具有出色的隔离性能，**隔离度达\u003Cstrong>80dB\u003C\u002Fstrong>，适用于多种射频信号切换应用场景。\u003C\u002Fp>\u003Ch3>主要特性\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75欧姆\u003C\u002Fli>\u003Cli>\u003Cstrong>开关配置：\u003C\u002Fstrong>1P3T（单刀三掷）\u003C\u002Fli>\u003Cli>\u003Cstrong>开关类型：\u003C\u002Fstrong>常开型、吸收式（自终端）\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-2000 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03:17:00",154353,4565,"154353","JFW Industries 75S-295 高隔离度单刀四掷射频开关","75S-295","JFW Industries 75S-295 是一款 75 欧姆机电式单刀四掷（1P4T）射频开关，工作频率覆盖 DC 至 2000 MHz，具备**小 80dB 的高隔离度性能，采用常开吸收式设计，支持 TTL 逻辑控制。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75S-295 是一款高隔离度 75 欧姆机电式单刀四掷（1P4T）射频开关，工作频率范围为 DC 至 2000 MHz。该开关的隔离度指标为最小 80 dB，性能优异。开关采用常开（Normally Open）设计，具备吸收式（自终端）特性，未使用的端口将自动以 75 欧姆阻抗进行终端匹配，有效减少信号反射和干扰。\u003C\u002Fp>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>品牌：\u003C\u002Fstrong>JFW Industries\u003C\u002Fli>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75S-295\u003C\u002Fli>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 欧姆\u003C\u002Fli>\u003Cli>\u003Cstrong>开关配置：\u003C\u002Fstrong>单刀四掷（1P4T）\u003C\u002Fli>\u003Cli>\u003Cstrong>开关类型：\u003C\u002Fstrong>常开，吸收式（自终端）\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC - 2000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>隔离度：\u003C\u002Fstrong>最小 80 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>10 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03:16:33",154352,4564,"154352","JFW 75S-348 75欧姆单刀单掷射频开关","75S-348","JFW Industries 75S-348是一款75欧姆机电式单刀单掷（1P1T）射频开关，工作频率覆盖DC至2150 MHz，采用常开吸收式设计，配备BNC或F型连接器，通过+12Vdc控制信号驱动。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 推出的 \u003Cstrong>75S-348\u003C\u002Fstrong> 是一款75欧姆机电式单刀单掷（1P1T）射频开关，工作频率范围为\u003Cstrong>DC至2150 MHz\u003C\u002Fstrong>。该开关采用常开型设计，具备吸收式（自终端）特性。\u003C\u002Fp>\u003Ch3>核心特性\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>开关配置：\u003C\u002Fstrong>单刀单掷（1P1T），常开型\u003C\u002Fli>\u003Cli>\u003Cstrong>开关类型：\u003C\u002Fstrong>吸收式（自终端），当开关关闭时，两个端口均以75欧姆阻抗实现自终端\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-2150 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