开关电源常用元器件

《开关电源常用元器件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、开关电源技术（二）第二章常用元器件一、电阻二、电容三、二极管四、晶体管五、MOSFET和IGBT1开关电源技术（二）无源器件RCLT有源器件DQMOSFETIGBT2开关电源技术（二）电阻ResistorWHAT3电阻表面贴装-SMD直插型4电阻氧化膜电阻金属膜电阻铝壳电阻功率线绕电阻压敏电阻贴片电阻陶瓷电阻碳膜电阻径向热敏电阻高压片状玻璃釉膜电阻高压电阻玻封热敏电阻网络电阻光敏电阻可调电阻5贴片电阻型号尺寸(mm)英寸LWHMNRR10051.00±0.100.50±0.050.35±0.050.20±0.100.25±0.100402RR16081.60±0

2、.151.60±0.150.50±0.150.30±0.150.30±0.150603RR20122.00±0.151.25±0.150.50±0.150.40±0.250.40±0.250805RR32163.20±0.151.60±0.150.55±0.150.50±0.250.50±0.2512066贴片电阻型号额定功率(70℃)使用温度最大工作电压最高负荷电压阻值范围阻值误差电阻温度系数JK04021/32W-55℃--+125℃50V100V10Ω-1MΩ±5%±1%±250ppm/℃(RR1005)1/16W25V50V100Ω-1MΩ060

3、31/10W50V100V10Ω-10MΩ100Ω-1M±100ppm/℃±200ppm/℃<10Ω±250ppm/℃>1MΩ±250ppm/℃(RR1608)1/16W08051/10W100V200V(RR2012)1/8W12061/8W200V400V(RR3216)1/4W7碳膜电阻名称型号功率(W)最高使用电压(V)最高过载电压(V)阻值误差(%)阻值范围(Ω)温度系数(PPm/℃)碳膜电阻RT130.125200400±2±1±51Ω～1MΩ全系列+300/-500RT140.252505001Ω～1MΩ全系列RT150.53507001

4、Ω～1MΩ全系列8薄膜电阻型号RJ72RJ73RJ74RJ16RJ17DIN-4406102040207041106170719MIL-R-10509FRN50RN55RN60RN65RN70阻值范围0.1Ω-22MΩ0.1Ω-22MΩ0.1Ω-22MΩ0.1Ω-22MΩ0.1Ω-22MΩ精度%F（±1）；D（±0.5）；C（±0.25）；B（±0.10）；J(±5.0)温度系数ppm/°CC1（±100）C2（±50）C3（±25）C5（±15）C6（±10）额定功率(W)P701/8W1/4W1/2W1.0W2.0W工作电压200V250V300V350V4

5、00V尺寸(mm)L±0.503.25.910.01216D±0.301.82.43.245.4d±0.050.450.600.600.700.809绕线电阻10绕线电阻功率尺寸(mm)阻值范围(Ω)ABCDEFGHIJKLMO75W11025163081505186166581.26270.1~8Ω90W9028183281305196146601.26270.1~9Ω120W11028183281505196166601.26270.1~12Ω150W14028183281805196196601.26270.1~15Ω180W160281832820051

6、96216601.26270.1~18Ω225W19528183282355196251601.26270.1~23Ω240W185352436102255198245761.66340.1~24Ω300W210352436102505198274761.66340.3~30Ω375W210402538122505208274781.66340.3~38Ω450W260402538123005208320781.66340.3~45Ω600W330402538123705208395781.66340.3~60Ω750W330503550123806259400

7、1001.68400.3~75Ω900W4005035501245062594701001.68400.3~90Ω1000W4605035501251062595301001.68400.5~100Ω1200W46060405515515630105351101.610500.5~120Ω1500W54060405515595630106151101.610500.5~150Ω2000W65065426215702630107221151.610500.5~200Ω11压敏电阻温度为20度，压敏电阻上流过1mA直流电流时，加在该压敏电阻两端的相应电压叫做压敏电压

8、。220V一般选择600