捷创力高仪器有限公司
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软磁 B-H DC-bias test system
所属类别:被动元器件测试仪
产品简介:最大直流励磁电流达30A,交流纹波电流达+/-6A,是电感与变压器厂商非常重要的功能选件。
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B-H Analyzer - DC-bias test system

Automatic test on power inductor properties with DC biasing

DC-bias test system (SY-960, SY-961, SY-962)  
SMD Power inductor Toroidal coil inductor
SMD Power inductor Toroidal coil inductor
  • DC bias current: 30A, max
  • AC Ripple current: ±6A, max
  • Test frequency(Sinusoidal): 10kHz to 3MHz
  • Test frequency(Pulse): 10kHz to 1MHz (Duty10%-90%)
DC biasing non-sinusoidal signalPulse(Triangular signal waveform in current at specimen, called QUASI-CHOPPER), or Sinusoidal test with DC biasing

Test example on chip inductor (Chopper excitation)
Test example on chip inductor (Chopper excitation)

-[eys

Hint:
In actual operation, both AC magnetic field and DC magnetic field may be applied at the same time usually.
Magnetic property test with changing DC biasing level is considered important.

     
Ferrite(SMA)

ferrite

L=1.0μH

Graph
    Graph

Based amorphous core

Fe-Based amorphous

L=311μH

    Graph

Iron powder core

iron powder

L=8.4μH

Graph
    Graph
DC-bias test system is uniquely used as an option for SY-8218 or SY-8219 and not be used with other equipment. Adjustment and inspection as a system with BH analyzer is requited.
BH analyzers(SY-8218/SY-8219) at the customer end will be returned to our factory for adjustment and inspection when DC-bias test system can be configured as a system.

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地址:湖南省 长沙市雨花区韶山南路亚商国际大厦A座2524室   联系电话: 0731-85260926  传真:0731-85263946

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