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mrc185k300v

mrc185k300v
产品特性 产品规格 产品认证

mrc(rc) snubber capacitor(rc--series, rc--parallel)   

                     火花消制电容器(串联,并联)

feature                             特点:

· small size with supperior performance                 ·小体积、性能佳

· suitable for pcb mounting                          ·可安装于pcb

· ideal for ac or dc application                       ·适用于交/直流

· large product selection range with 1/4,1/2             ·多种电阻功率1/4,1/2和1瓦特,电容0.001uf

  and 1 watt resistors,0.001uf to 1.0ufcapacitors          至1.0uf 供选择

· providing flexible wire, tubular and box type           ·可选软引线式、管状或盒子结构

 on request 

application                         用途:

· protection for contacts from noise during              · 设备切换时,保护触点,消除火花及噪音

 switching operations of equipment

· protection of electronic instruments during            ·按触器,继电器,电机等操作时保护电子设备

 operation of relays, solenoids,motors and so on

· electrical noise protection of semiconductor           ·消除晶闸管,电晶体,电机,焊接机等半导体

 equipment during the control of triacs,transistor,           设备之电谐干扰    

 motors,welders,etc    

specifications技术要求:

 dielectric

介质

metallized polypropylene film

金属化聚丙烯薄膜

  resistor

电阻

non-inductive,high pulse resistor

无感型,耐脉冲电阻

leads

导线

tinned wire or polyvinylchloride(pvc)insulation stranded copper wire

径向镀锡导线或绝缘导线

coating

灌封

expoxy resin(ul94v-0)

环氧树脂(阻燃等级ul94v-0)

  category

类别

x2 class

reference standard

引用标准

 iec384-14  gb/t14472-98 ;en132400;ul1283

 climatic catalogue

气候类别

40/100/21

 capacitance versus

  rated voltage(ur)

   静电容量与额定电压

 串联(series)0.01μf~1.0μf   300vac

 并联(parallel)0.001μf~0.68μf   3000vac

     resistance and power

电阻功率及阻值

  串联(series)10~470ω,1/4、1/2、1.0 or 2.0 watt

  并联(parallel)1.0~2.2 mω,1/4、1/2、1watt

 voltage proof

耐电压

4.3*ur   unit:vdc   ( 1 minute at 20℃)

    insulation resistance

 绝缘电阻

c≤0.33µf ir≥15,000mω; c>0.33µf ,ir*c≥5,000s----仅指串联类型(series only)

(1minute at 20℃ and rh≤65%)                

   capacitance tolerance

 容量误差

m=±20%  k=±10%  j=±5%

  endurance

 耐久性

the test voltage 125% shall be applied for 1000 hours in the 85℃ chamber.  each of these voltage shall be applied to each capacitor individually through a resistor of 47ω±5%, during this period, 1000vac 60hz for 0.1sec be applied once each hour. after the test:

85℃试验温度下,125%ur交流电压1000小时,试验过程中,每个电容器串联一个47ω电阻。1000v交流电压 (60hz),每一小时施加0.1s验完成后:    

△c/c≤10%; ir ≥50% of the specified value(标称值);

△df≤0.8%(c≤1µf);  △df≤0.5%(c>1µf); (at 20℃ 1khz)

 

mrc产品规格书 点击下载

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