15BRCX-500-F12/10 Danaher
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The Danaher 15BRCX-500-F12/10 is part of the Dynapar Resolvers series and has a housing length and rotor length of 1.0 inch each. It operates with an excitation frequency of 5 kHz, an input voltage of 4 Vrms, and an input current of 23 mA. This resolver features a 1/4 inch rotor bore, a weight of 4.5 ounces, and a pilot diameter of 1.449 inches.
Internal Product Review
The 15BRCX-500-F12/10 is a Danaher Dynapar resolver well suited for precise position feedback in motion control systems. Operation at 5 kHz excitation frequency with 4 Vrms input supports stable signal behavior and consistent electrical performance. A 0.50 transformation ratio and 25 mV null voltage make this resolver a strong choice for accurate feedback applications.
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Product Description:
The 15BRCX-500-F12/10 resolver is an electromagnetic position transducer produced by Danaher. It belongs to the Dynapar Resolvers series. In automation systems, it supplies absolute shaft-angle feedback to servo drives and motion controllers, allowing accurate motor commutation and position tracking without relying on fragile optical components.
Its excitation winding is designed for an operating carrier frequency of 5 kHz. At this frequency, the resolver accepts a reference signal of 4 Vrms while drawing only 23 mA from the drive. The primary-to-secondary transformation ratio is 0.50, so the sine and cosine output amplitudes reach one-half of the applied reference, simplifying drive interface scaling. Electrical quadrature integrity is supported by a phase shift of +6° between the secondary windings, which maintains orthogonality for accurate vector calculations. Under these conditions, the stator impedance is 200 + j270 Ω, and the rotor impedance is 105 + j170 Ω. These impedance values represent the electrical load that the drive must energize while limiting thermal rise during continuous operation.
The housing and rotor each measure 1.0 inch in length, while the pilot diameter is 1.449 inches. The hollow shaft accepts a 0.25-inch drive pin, and signal conductors exit through 26 AWG leads. Electrical losses in the measurement channel are limited by a stator resistance of 94 Ω and a rotor resistance of 41 Ω, helping minimize internal heating and preserve accuracy. Residual error at electrical zero is held to a null voltage of 25 mV, supporting fine alignment procedures. The resolver has a mass of 4.5 oz, which limits the additional mechanical load placed on high-speed spindles. Its compact dimensions also allow installation where available axial space and pilot clearance are restricted.
