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Brushless Pancake Resolvers

Low-Cost Pancake Brushless Resolvers

FOR COMMUTATION, POSITION, AND VELOCITY FEEDBACK

Rugged, reliable - ideal for demanding environments. Brushless resolvers provide accurate position and velocity feedback as well as commutation in precision equipment, without the structural or temperature restrictions imposed by other electronic feedback devices. They are resistant to the shock and vibration levels often encountered in industrial and instrument applications.

These low cost brushless resolvers are available in standard sizes or with custom modifications. Our Engineering Department is available for consultation to help tailor a brushless resolver to fit your needs.

CONTACT OUR EXPERTS >

Details, Features, Product Specifications

FEATURES

  • 1, 2, 3, 4 speeds standard; others available
  • Ideal for brushless dc motor commutation
  • Compact design
  • Mounts directly on motor shaft - no coupling devices needed
  • No brushes or contacts
  • High reliability: long-life design - no bearing or electronics
  • Compatible with A / D converters
  • 1,200 – 10,000 Hz frequency range standard
  • Low electrical noise
  • Ruggedness in demanding environments no glass discs or optics to fail
  • Low cost
  • Custom modifications available
  • High speeds, up to 15 kRPM for size 21 and 22, up to 20 kRPM for smaller sizes

TYPICAL APPLICATIONS

  • Brushless DC servo commutation, position, and velocity feedback
  • Robotics and factory automation
  • Machine tools
  • Material handling equipment
  • Packaging equipment
  • Commercial aircraft
  • Oil and gas market
  • COTS military - aerospace/radar
  • Gimbals
  • Guidance systems 

Size 11

 

Parameter Primary Speed Input Voltage Input Current Input Power Trans.
Ratio (±10%)		 Phase Shift Impedance - Zro Impedance - Zso Impedance - Zrs DC Resistanc e - Stator DC Resistanc e - Rotor Null Voltage Electrical Error † Output
Voltage

JSSB-11-A-02A

 Rotor One 5 Vrms
5 KHz		 43 mA max 0.125 watt 0.5 6.5° 83 + j170 175 + j335 76 + j90 47 ohms 77 ohms 20 mV ±10 minutes 2.5 Vrms
JSSB-11-A-06D Rotor One 4 Vrms
4.74 KHz		 14.4 mA max 0.036 watt 0.5 6.3° 174 + j220 322 + j575 157 + j195 84 ohms 164 ohms 15 mV ±24 minutes 2 Vrms
JSSB-11-A-05D Rotor One 5.3 Vrms
5 KHz		 18.3 mA max 0.06 watt 0.5 5.5° 180 + j228 330 + j596 162 + j203 84 ohms 164 ohms 20 mV ±20 minutes 2.65 Vrms

Size 14

 

Parameter Primary Speed Input Voltage Input Current Input Power Trans.
Ratio (±10%)		 Phase Shift Impedance - Zro Impedance - Zso Impedance - Zrs DC Resistanc e - Stator DC Resistanc e - Rotor Null Voltage Electrical Error † Output
Voltage

JSSB-14-A-01A

 Rotor One 7 Vrms
10 KHz		 0.042 mA max

 0.126 watt 0.5 –2.3° ± 2° 100 + j170 220 + j460 192 + j420 48 ohms 77 ohms 15 mV ±10 minutes 3.5 Vrms
JSSB-14-C-01D Rotor One 4 Vrms
3.4 KHz		 18.8 mA max 0.046 watt 0.5 –12.5° ± 3° 129 + j169 283 + j399 123 + j146 67 ohms 159 ohms 15 mV ±20 minutes 2 Vrms

Size 15

 

Parameter Primary Speed Input Voltage Input Current Input Power Trans.
Ratio (±10%)		 Phase Shift - 14.5° Impedance - Zro Impedance - Zso Impedance - Zrs DC Resistanc e - Stator DC Resistanc e - Rotor Null Voltage Electrical Error † Output
Voltage

JSSB-15-J-05K

 Rotor One 7 Vrms
10 KHz		 0.050 A max 0.20 watt 0.5 4° 103.6 + j158.4 144.7 + j126.5 88.9 + j136.9 77 ohms 40 ohms 20 mV

 ±15 minutes £ 3.5 Vrms
JSSB-15-D-01H Rotor One 4 Vrms
3.4 KHz		 0.075 A
max		 0.13 watt 0.5 5° ± 3° 38 + j60 23 + j34 25 + j34 10.8 ohms 5.6 ohms 15 mV

 ±20 minutes 2 Vrms
DSSB-15-AB-01AM Rotor One 4 Vrms
3.4 KHz		 0.075 A
max		 0.13 watt 0.5 5° ± 3° 28 + j60 23 + j34 25 + j34 10.8 ohms 5.6 ohms 15 mV

 ±20 minutes 2 Vrms
JSMB-15-J-05A Rotor Three 7 Vrms
10 KHz		 0.0457 A max 0.176 watt 0.286 10° 103.6 + j158.4 144.7 + j126.5 88.9 + j136.9 77 ohms 40 ohms 20 mV ±15 minutes 3.5 Vrms
JSMB-15-K-06P Rotor Three 5 Vrms
6 KHz		 0.025 A max 0.050 watt 0.4 20° ± 3° 129 + j221 148 + j232 142 + j192 82 ohms 21 ohms 20 mV ±3 minutes 2 Vrms

Alternate phasing available on request.

Typical performance characteristics at 25°C
† Higher accuracies available
*± 21 minutes max with 30 minutes max spread
**Contact the Engineering Department
£ 20 minutes spread 

Size 21

 

Parameter Primary Speed Input Voltage Input Current Input Power Trans.
Ratio (±10%)		 Phase Shift Impedance - Zro Impedance - Zso Impedance - Zrs DC Resistanc e - Stator DC Resistanc e - Rotor Null Voltage Electrical Error † Output
Voltage

JSSB-21-B-02J

 Rotor One 7.5 Vrms
6.6 KHz		 0.055 A max 0.22 watt 1 -14.5° 100 + j125 862 + j1760 762 + j1700 290 ohms 25 ohms 30 mV ±21 minutes 7.5 Vrms
JSSB-21-B-04J Rotor One 6 Vrms
1.2 KHz		 0.010 A max 0.03 watt 0.46 21° 505 + j590 1120 + j975 1130 + j830 675 ohms 200 ohms 30 mV ±10 minutes 2.76 Vrms
JSSB-21-C-08D Rotor One 10 Vrms
3.5 KHz		 0.0181 A max 0.09 watt 0.8 0° 274 + j480 941 + j1710 800 + j1440 306 ohms 127 ohms 30 mV ±21 minutes 8 Vrms
JSSB-21-F-02J Rotor One 7.5 Vrms
6.6 KHz		 0.055 A max 0.22 watt 1 -14.5° 100 + j125 862 + j1760 762 + j1700 290 ohms 25 ohms 30 mV ±21 minutes 7.5 Vrms
JSMB-21-B-06J Rotor Four 7.5 Vrms
4 KHz		 0.070 A max 0.225 watt 1 12° 70 + j115 730 + j1400 700 + j1250 450 ohms 25 ohms 30 mV ±10 minutes 7.5 Vrms
JSMB-21-B-04J Rotor Three 7.5 Vrms
4 KHz		 0.066 A max 0.29 watt 1 4° 85 + j100 1000 + j1650 - 590 ohms 25 ohms 30 mV ±10 minutes 7.5 Vrms
JSMB-21-F-08E Rotor Three 14 Vrms
10 KHz		 0.055 A max 0.5 watt 0.5 5° 165 + j210 295 + j690 265 + j640 65 ohms 70 ohms 30 mV ±8 minutes 7 Vrms
JSMB-21-D-02A Stator Two 7 Vrms
2.5 KHz		 0.06 A
max		 0.025 watt 1.7 8° 8500 + j15000 580 + j1500 7300 +12000 3530 ohms 1970 ohms 30 mV ±10 minutes 11.9 Vrms

Size 22

 

Parameter Primary Speed Input Voltage Input Current Input Power Trans.
Ratio (±10%)		 Phase Shift Impedance - Zro Impedance - Zso Impedance - Zrs DC Resistanc e - Stator DC Resistanc e - Rotor Null Voltage Electrical Error †

JSSB-22-A-01A

 Rotor One 5 Vrms
4 KHz		 0.030 A max 0.061 watt 0.5 -9° 92 + j175 217 + j404 181 + j367 71 ohms 19.5 ohms 20 mV 4 minutes
JSMB-22-A-03A Rotor One 4 Vrms
5 KHz		 0.025 A max 0.053 watt 0.5 -9° 102 + j142 202 + j348 170 + j324 75 ohms 25 ohms 25 mV 14 minutes
JSMB-22-D-03D Rotor Two 7.5 Vrms
4 KHz		 0.065 A max 0.29 watt 0.75 2.6° 80 + j106 435 + j725 72 + j95 217 ohms 25 ohms 25 mV ±7 minutes

Alternate phasing available on request.

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