精密电阻按材料分,有金属膜精密电阻、线绕精密电阻和金属箔精密电阻几类。金属膜精密电阻的精度较高,但阻值温度系数和分布参数指标略低;线绕精密电阻的阻值精度和温度系数指标---,但分布参数指标偏低;金属箔精密电阻的精度、阻值温度系数和分布参数各项指标都---:精度可达10-6,温度系数可达±0.3×10-6/℃,分布电容可低于0.5pf,分布电感可低于0.1μh。由于上述三类精密电阻器的价格随性能而提高,所以在应用中应根据实际情况合理选用。例如,在直流或频率很低的交流电路中,一般只需选用线绕精密电阻或金属膜精密电阻即可,没有---选用价格高昂的金属箔精密电阻。
melf type resistors: rjm series precision melf resistors are made by --- precision resistors.
--- precision resistors portfolio is comprised of discrete resistors&resistor networks both in surface mount&through-hole (leaded) ...
盛雷城精密电阻有限公司生产的高精密电阻器支持分立电阻器与电阻网络,同时满足表面贴装加工与传统有引线的安装方式
盛雷城精密电阻有限公司重视产品研发与技术,拥有从美国、奥地利引进的---生产加工设备,公司建立了切实有效的---体系并通过了iso9001体系,生产的各类精密产品精度高、稳定性好。模压金属膜产品能适应高温环境。公司销售网络遍及全国各地,经过长期持续经营,积累了丰富的经验,既能为客户提供合适的产品,又能提供的技术服务。
--- precision resistors focus on new product&development&technical innovation,we use advanced production line&processing equipments from usa&austria, also has established a practicable&effective quality assurance system&passed iso9001 quality system, all kinds of our high precision resistors have high accurary&good stability.the mold type high precision resistors can work reliably under high temperature environment.
the companys sales network extends to the national wide.after a long-term managerment,we have accumulated abundant production experience,which can provide suitable products&sufficient technical support.
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