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Pulse Current Capacitors /

DC Filter Capacitors DCF :

STP-03QI STP-03QT STP-03QL

STP-04QI STP-04QT STP-04QL

Typical Applications :

  • high ripple pulse rms current and medium range frequency application

  • is designed for 20Hz ~ 100kHz frequency range

  • Switch-mode Power Supply SMPS filtering circuitry

  • DC / AC Filter Capacitor and applications

  • Welding Equipment and EDM machinery

  • MMC Capacitors module

Properties and Electrical Characteristics :

STP-03QI / STP-03QL / STP-03QT

     o higher RMS current

     o Rated Voltage : 100 ~ 400Vdc  /  70 ~ 250Vac

     o RMS Current up to 20A

STP-04QI / STP-04QL / STP-04QT

     o high RMS current

     o smaller size & higher voltage range

     o Rated Voltage : 250 ~ 700Vdc  /  160 ~ 400Vac

     o RMS Current up to 13A

Electrical Characteristics :

     o low ESR and low inductance

     o Capacitance range : 1.0~30uF

     o temperature range -25C~+85C / -40C~+105C

This series of capacitors can be customized as low voltage high capacitance capacitor with high RMS Current up to 100A.

Thermocouple can be built in, capacitor internal temperature can be measured. The output temperature signal can be used as one of the reference signals in the circuit and trigger other function.

There are some other capacitor configurations available for Pulse Current Capacitor. Please refer to the more capacitor photos page.

For AC Voltage filter application, please refer to the AC Filter Capacitors. This capacitor series support up to 300uF, 700Vac and 75Arms.

For higher voltage requirement, please refer to the Snubber Capacitors (700Vdc~3000Vdc) and High Voltage Power Film Capacitors (4500Vdc~20,000Vdc).

For even larger capacitor current requirement, please refer to our GTO Snubber Capacitors and DC Link Capacitors.

For high discharge pulse current and energy discharge application, with lower repetition rate, high dv/dt and high peak discharge current, please refer to Energy Storage Capacitors / Pulse Grade Capacitors. This series of capacitor can be direct discharged or short circuit discharged at the rated voltage.

For Pulse Current capacitance / DC Filter Capacitor > 30uF, please send e-mail to us for a suggestion. We can support up to 900uF.

For further details, please contact us.

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