103H7522-72XS42
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The 103H7522-72XS42 is a high-performance stepping motor with a voltage rating of 72 V and a continuous current of 103 A. Manufactured by Sanyo Denki, it is part of the StepSyn Stepping Motors series and features a maximum junction temperature of 150 °C. It operates with a switching frequency of 200 kHz.
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Product Description:
The 103H7522-72XS42 belongs to the StepSyn Stepping Motors series and is specified with a voltage of 72 V. This voltage rating guarantees that the motor will function within the specified electrical parameters making it suitable for use with systems that are designed under this voltage range. Its defined continuous current capability is 103 A per phase. The device’s pin configuration is a simple 3-pin which eases the layout and interconnection on the board.
The conduction losses during operation are minimized with an On-state Resistance (rds(on)) of 2.5 mΩ. It helps in minimizing the losses contributed during conduction. There is a specified gate charge of 75 nC; this charge is low enough to enable quick switching transitions. The device is able to be modulated with pulsed signals at a rate of 200 kHz switching frequency which makes it possible for the device to operate at high speeds. Its thermal resistance (junction-to-case) is 0.8 °C/W and thermal resistance (junction-to-ambient) is 40 °C/W which will determine the total heat dissipated to the surroundings. The insulation against high voltage spikes is strong as the dielectric withstand voltage is rated at 1000 V.
The specified input capacitance is 350 pF for the stepping motor 103H7522-72XS42. This relatively low capacitance value increases the speed of response in switching circuits. The output capacitance is 500 pF, and it also helps in reducing the rate of unwanted voltage fluctuations during operation. The device has a reverse recovery time of 30 ns. Also, the unit has a maximum power dissipation of 750 W which enables the device to support considerable thermal loads during sustained operation. In addition, the avalanche energy is 200 mJ which enhances the protection during voltage transients.
Frequently Asked Questions about 103H7522-72XS42:
Q: How does the continuous current specification benefit 103H7522-72XS42?
A: It is rated for a continuous current of 103 A per phase, which provides strong drive capability. This high current capacity supports heavy-load applications without performance degradation.
Q: What is the significance of the maximum junction temperature for 103H7522-72XS42?
A: The maximum junction temperature is 150 °C, which allows operation under high thermal stress. This ensures the device remains reliable even when temperatures rise during intensive use.
Q: What is the voltage rating of the Sanyo Denki 103H7522-72XS42?
A: It has a voltage rating of 72 V, ensuring operation within designed electrical limits. This rating guarantees compatibility with systems rated at 72 V.
Q: Why is a switching frequency of 200 kHz beneficial for this 103H7522-72XS42?
A: A switching frequency of 200 kHz enables rapid transitions, contributing to high-speed performance. This improves overall system efficiency in fast-switching applications.
Q: How does an on-state resistance of 2.5 mΩ impact performance?
A: A low on-state resistance minimizes conduction losses during operation. This leads to improved energy efficiency and reduced heat generation in 103H7522-72XS42.
