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mrc

mrc(rc) snubber capacitor(rc--series, rc--parallel) 火花消制电容器(串联,并联)
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 and 1 watt resistors,0.001uf to 1.0ufcapacitors

多种电阻功率1/4,1/2和1瓦特,电容0.001uf至1.0uf 供选择

providing flexible wire, tubular and box type on request

可选软引线式、管状或盒子结构

application

用途:

protection for contacts from noise during switching operations of equipment

设备切换时,保护触点,消除火花及噪音

protection of electronic instruments during operation of relays, solenoids,motors and so on

按触器,继电器,电机等操作时保护电子设备

electrical noise protection of semiconductor equipment during the control of triacs,transistor motors,welders,etc,

消除晶闸管,电晶体,电机,焊接机等半导体设备之电谐干扰

 

 

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)

 
 
 

 

 

outline drawing  外形图               ★实物图:

 

 

 application example  应用场合

 

 

 

 

specifications  认证通过文件及引用标准

rc --串联 series

rc--并联(parallel

special size or items on request 可依需求制作各种规格

 

 

mrc规格书点击下载

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