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MICROTEST

DC Bias Current Test System 6632+ Series

The MICROTEST 6632+ Series DC Bias Current Test System is a high-performance solution for analyzing the saturation characteristics of inductors, coils, ferrites, and magnetic cores. With output currents up to 640 A, frequency response ranges up to 30 MHz, and integrated permeability (μr) testing, it delivers precise, real-time current curve analysis for both R&D and production environments..

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The MICROTEST 6632+ Series combines a MICROTEST 6632 Impedance Analyzer with a powerful DC bias current source, creating a complete solution for evaluating the electrical and magnetic performance of inductors, coils, ferrites, and core materials. Its ability to perform magnetic saturation current scanning and temperature rise current analysis allows engineers to detect performance thresholds and stability limits with high precision.

With built-in permeability (μr) measurement, the system enables direct material property evaluation, which is essential in the development of high-performance magnetic components. The DCR measurement function provides additional insights into component efficiency and heat generation.

Engineered for both laboratory research and production line integration, the 6632+ Series offers meter, list, and sweep modes, with direct handler interface control for automation. When connected to a PC, the system supports graphical current-frequency scanning, real-time analysis, and detailed reporting. Its continuous maximum power output ensures stable long-term testing, even under high-load conditions.

  • High Output Current Capability: Models available with max. output from 10 A to 640 A.

  • Wide Frequency Response: Options up to 3 MHz, 10 MHz, and 30 MHz for versatile testing needs.

  • Integrated Permeability Measurement: Built-in μr function for magnetic material characterization.

  • Comprehensive Test Modes: Meter mode, list mode, and sweep mode for flexible analysis.

  • Magnetic Saturation & Temperature Rise Testing: Ideal for inductor and coil performance evaluation.

  • DCR Measurement Function: Measures DC resistance for complete component analysis.

  • Long-Term Power Output: Continuous maximum power for extended testing periods.

  • Direct Impedance Analyzer Control: Seamless integration with MICROTEST 6632 series.

  • Production Line Ready: Supports ammeter mode and multi-step mode for automated workflows.

  • PC Connectivity: Stores test data, generates reports, and performs graphical current analysis.

Model Frequency Response Max. Output Current Power Consumption Number of DC Bias Units Output Current per Unit
6632+6210 100 Hz – 3 MHz 10 A 320 W 1 10 A
6632+6220 100 Hz – 3 MHz 120 A 320 W 6 20 A
6632+6223 100 Hz – 10 MHz 120 A 320 W 6 20 A
6632+6225 100 Hz – 30 MHz 20 A 320 W 1 20 A
6632+6240 100 Hz – 3 MHz 320 A 640 W 8 40 A
6632+6243 100 Hz – 10 MHz 320 A 640 W 8 40 A
6632+6243H 100 Hz – 10 MHz 640 A 640 W 16 40 A