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    开关电源

    开关电源是什么？

    开关电源，又称SMPS(Switch-mode Power Supply)，是一种用于转换电源的电子电路。

    开关电源的工作原理

    • 开关电源的功能是将一个位准的电压，透过不同形式的架构转换为用户端所需求的电压或电流。
    • 开关电源的输入多半是交流电源（例如市电）或是直流电源，而输出多半是需要直流电源的设备，例如个人电脑，而开关电源就进行两者之间电压及电流的转换。
    • 开关电源内容纳了复杂的电容器，通过稳定的电压输出，可以保证主板、CPU、内存、硬盘能够获得稳定的直流电压。
    • 开关电源在能耗上等级越高，越节能，同时也意味着发热量低，从而可以很好地稳定工作，并让输出点的需求方获得更佳性能。

    开关电源的应用

    我们生活中使用的台式机电源就是常见的开关电源。其他常见的应用有：

    • 工业自动化控制
    • 军工设备
    • 科研设备
    • LED照明
    • 工控设备
    • 通讯设备
    • 电力设备
    • 仪器仪表
    • 医疗设备
    • 半导体制冷制热
    • 空气净化器
    • 电子冰箱
    • 液晶显示器
    • LED灯具
    • 通讯设备
    • 视听产品
    • 安防监控
    • LED灯带

    RS 欧时为您提供了不同品牌的开关电源，如BEL POWER SOLUTIONS INC 、RS PRO、OEP等多款不同规格、型号的产品供您挑选，从而满足不同的应用场景需求。

    欢迎查看和订购RS的开关电源及相关产品，订购现货24小时内发货，线上下单满额免运费。

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    973 产品
    单价（不含税）
    品牌
    输出电压
    输出电流
    额定功率
    输出数目
    输入电压
    安装类型
    封装类型
    长度
    宽度
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    嵌入式
    深度
    Better World产品
    Better World宣言
    Better World认证
    效能
    系列
    产品详述
    单价（不含税）
    品牌
    输出电压
    输出电流
    额定功率
    输出数目
    输入电压
    安装类型
    封装类型
    长度
    宽度
    医疗认证
    嵌入式
    深度
    Better World产品
    Better World宣言
    Better World认证
    效能
    系列
    MEAN WELL 203W开关电源, +5 V dc, ±12 V dc, +24V 直流, 1A, 4路输出, 底盘安装
    • RS 库存编号 414-064
    • 制造商零件编号 QP-200D
    个
    RMB862.63
    MEAN WELL
    +5 V dc, ±12 V dc, +24V 直流
    1 A, 6 A, 7 A, 20A
    203W
    4
    127 → 370 V dc, 90 → 264 V ac
    底盘
    封闭
    215mm
    115mm
    -
    -
    50mm
    -
    -
    -
    75%
    -
    MEAN WELL 113W开关电源, 24V 直流, 6.5A, 底盘安装
    • RS 库存编号 424-465
    • 制造商零件编号 RPS-160-24
    个
    RMB347.54
    MEAN WELL
    24V 直流
    6.5A
    113W
    1
    127 → 370 V dc, 90 → 264 V ac
    底盘
    开放式
    127mm
    76.2mm
    是
    -
    34.6mm
    -
    -
    -
    -
    -
    N
    MEAN WELL 540W开关电源, 15V, 36A
    • RS 库存编号 424-801
    • 制造商零件编号 HEP-600-15
    个
    RMB2,356.80
    MEAN WELL
    15V
    36A
    540W
    -
    120 → 370V 直流
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    MEAN WELL 110W开关电源, 48V 直流, 2.3A, 底盘安装
    • RS 库存编号 644-7017
    • 制造商零件编号 RS-100-48
    个
    RMB177.88
    MEAN WELL
    48V 直流
    2.3A
    110W
    1
    125 → 373 V dc, 88 → 264 V ac
    底盘
    封闭
    159mm
    97mm
    -
    -
    38mm
    -
    -
    -
    84%
    -
    MEAN WELL 11.6W开关电源, 3.3V 直流, 3.5A, PCB安装
    • RS 库存编号 174-8032
    • 制造商零件编号 MFM-15-3.3
    个
    RMB77.09
    MEAN WELL
    3.3V 直流
    3.5A
    11.6W
    1
    80 → 264V 交流
    PCB
    -
    49mm
    23.8mm
    是
    -
    18.5mm
    -
    -
    -
    -
    -
    MEAN WELL 500.4W开关电源, 18V 直流, 27.8A, PCB安装, RPS-500系列
    • RS 库存编号 187-5548
    • 制造商零件编号 RPS-500-18-TF
    个
    RMB820.95
    MEAN WELL
    18V 直流
    27.8A
    500.4W
    1
    113 → 370 V dc, 80 → 264 V ac
    PCB
    封闭
    130mm
    86mm
    是
    -
    58.5mm
    -
    -
    -
    92.5%
    RPS-500
    MEAN WELL 753.6W开关电源, 48V 直流, 15.7A, UHP-300系列
    • RS 库存编号 186-0186
    • 制造商零件编号 UHP-750-48
    个
    RMB1,443.45
    MEAN WELL
    48V 直流
    15.7A
    753.6W
    1
    127 → 370 V dc, 90 → 264 V ac
    -
    封闭
    237mm
    100mm
    -
    -
    41mm
    -
    -
    -
    95%
    UHP-300
    MEAN WELL 1608W开关电源, 24V 直流, 67A, 机架安装, RCP-1600系列
    • RS 库存编号 123-4991
    • 制造商零件编号 RCP-1600-24
    个
    RMB3,949.05
    MEAN WELL
    24V 直流
    67A
    1608W
    1
    127 → 370 V dc, 90 → 264 V ac
    机架
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    RCP-1600
    MEAN WELL 2W开关电源, 3.3V 直流, 600mA, 贴片安装
    • RS 库存编号 135-9249
    • 制造商零件编号 IRM-02-3.3SMD
    个
    RMB45.89
    MEAN WELL
    3.3V 直流
    600mA
    2W
    1
    120 → 430 V dc, 85 → 305 V ac
    贴片
    密封
    33.7mm
    22.2mm
    -
    -
    16mm
    -
    -
    -
    66%
    -
    MEAN WELL 65W开关电源, 48V 直流, 1.36A, MPM-65系列
    • RS 库存编号 200-6215
    • 制造商零件编号 MPM-65-48ST
    个
    RMB195.20
    MEAN WELL
    48V 直流
    1.36A
    65W
    1
    80 → 264V 交流
    -
    密封
    -
    -
    是
    -
    -
    -
    -
    -
    -
    MPM-65
    N
    MEAN WELL 300W开关电源, 5V, 60A
    • RS 库存编号 424-965
    • 制造商零件编号 HSP-300-5
    个
    RMB588.09
    MEAN WELL
    5V
    60A
    300W
    -
    127 → 190V 直流
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    MEAN WELL 1W开关电源, 15V 直流, 67mA, PCB安装
    • RS 库存编号 135-8887
    • 制造商零件编号 IRM-01-15
    毎管：10 个
    RMB353.24
    MEAN WELL
    15V 直流
    67mA
    1W
    1
    120 → 430 V dc, 85 → 305 V ac
    PCB
    密封
    33.7mm
    22.2mm
    -
    -
    15mm
    -
    -
    -
    75%
    -
    MEAN WELL 5W开关电源, 5V 直流, 1A, PCB安装
    • RS 库存编号 174-8049
    • 制造商零件编号 MPM-05-5
    个
    RMB64.33
    MEAN WELL
    5V 直流
    1A
    5W
    1
    80 → 264V 交流
    PCB
    密封
    45.7mm
    25.4mm
    是
    -
    21.5mm
    -
    -
    -
    -
    -
    MEAN WELL 45W开关电源, 15V 直流, 3A, MPM-45系列
    • RS 库存编号 200-6197
    • 制造商零件编号 MPM-45-15
    个
    RMB159.50
    MEAN WELL
    15V 直流
    3A
    45W
    1
    80 → 264V 交流
    -
    密封
    -
    -
    是
    -
    -
    -
    -
    -
    -
    MPM-45
    MEAN WELL 45W开关电源, 48V 直流, 940mA, PCB安装
    • RS 库存编号 135-8960
    • 制造商零件编号 IRM-45-48
    个
    RMB107.97
    MEAN WELL
    48V 直流
    940mA
    45W
    1
    85 → 264V 交流
    PCB
    密封
    87mm
    52mm
    -
    -
    29.5mm
    -
    -
    -
    90.5%
    -
    MEAN WELL 53.9W开关电源, 26.5 V dc, 27.6 V dc, 1.8 A, 160mA, 2路输出, 底盘安装
    • RS 库存编号 660-0145
    • 制造商零件编号 AD-55B
    个
    RMB304.29
    MEAN WELL
    26.5 V dc, 27.6 V dc
    1.8 A, 160mA
    53.9W
    2
    124 → 370 V dc, 88 → 264 V ac
    底盘
    封闭
    159mm
    97mm
    -
    -
    38mm
    -
    -
    -
    74%
    -
    N
    65W Triple Output Switching Power Supply
    • RS 库存编号 534-621
    • 制造商零件编号 PT-65A
    个
    RMB135.35
    MEAN WELL
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    MEAN WELL 720W开关电源, 12V 直流, 60A, 底盘安装
    • RS 库存编号 151-379
    • 制造商零件编号 RSP-1000-12
    个
    RMB1,997.66
    MEAN WELL
    12V 直流
    60A
    720W
    1
    127 → 370 V dc, 90 → 264 V ac
    底盘
    封闭
    295mm
    127mm
    -
    -
    41mm
    -
    -
    -
    83%
    -
    MEAN WELL 21.6W开关电源, 12V 直流, 1.8A, PCB安装
    • RS 库存编号 174-8065
    • 制造商零件编号 MPM-20-12
    个
    RMB106.79
    MEAN WELL
    12V 直流
    1.8A
    21.6W
    1
    80 → 264V 交流
    PCB
    密封
    52.4mm
    27.2mm
    是
    -
    24mm
    -
    -
    -
    -
    -
    MEAN WELL 451W开关电源, 24V 直流, 18.8A, 底盘安装
    • RS 库存编号 721-1715
    • 制造商零件编号 HRPG-450-24RS
    个
    RMB1,191.80
    MEAN WELL
    24V 直流
    18.8A
    451W
    1
    120 → 370 V dc, 85 → 264 V ac
    底盘
    封闭
    218mm
    105mm
    -
    -
    41mm
    -
    -
    -
    88%
    -
    每页结果数
    1
    15
    49