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Worldwide distributor of NSN parts and consumables located in the USA.

Electrical Resolver

Model / MPN: VRB15-20-4A30 | NSN: 5990-00-102-9600
ITAR Registered seal

An item consisting of a rotor and a stator inductively coupled. It usually has two rotor windings displaced from each other by 90 degrees and two stator windings similarly displaced. The output voltag (s) is a trigonometric function of the input voltage(s) and the angular displacement of the rotor with respect to the stator. See also synchro (as modified) and goniometer, electrical. Excludes transolver, electrical and potentiometer sine/cosine electrical resolvers.

Product Details
NATO Stock Number
5990-00-102-9600
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Steel, stainless
Body Style
Standard round b
Shoulder Diameter
Between 1.3115 inches and 1.3120 inches
Pilot Diameter
Between 0.6745 inches and 0.6750 inches
Overall Length
2.6590 inches
Flange Diameter
Between 1.4320 inches and 1.4390 inches
Flange Thickness
0.0950 inches
Undercut Width
0.0750 inches
Shaft Diameter
0.1870 inches single shaft and 0.1872 inches single shaft
Shaft Length
0.5400 inches single shaft
Fragility Factor
Moderately rugged
Body Size
15
Stator Input Voltage Rating In Volts
Between 5.0 and 26.0
Frequency In Hertz
400.0
Zso Resistance In Ohms
480.00
Rotor Dc Resistance In Ohms
320.00
Stator Dc Resistance In Ohms
390.00
Compensation Method
Winding compensated
Compensator Dc Resistance In Ohms
520.00
Compensator Transformation Ratio In Percent
0.990 rotor to compensator
Phase Shift Angle In Deg
8.500 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
15.00 output
Interaxis Error Angular Range In Minutes
-5.0/+5.0
Electrical Error Angular Range In Minutes
-0.1/+0.1
Electrical Error Angular Range In Minutes
-0.1 to 0.1
Spline Tooth Quantity
21 single shaft
Alignment Hole Quantity
4
Pilot Length
0.0400 inches
Shoulder Length
0.1320 inches
Mounting Surface To Terminal End Distance
1.7870 inches
Spline Tooth Diametral Pitch
120 single shaft
Shaft Thread Series Designator
Unf single shaft
Shaft Thread Direction
Right-hand single shaft
Shaft Thread Class
2a single shaft
Terminal Location
Rear
Shaft Thread Length
0.2000 inches single shaft
Plus J Zso Reactance In Ohms
2500.00
Shaft Type
Spline w/threads single shaft
Alignment Hole Depth
0.1120 inches
Transformation Ratio
0.980 rotor to stator
Alignment Hole Bolt Circle Diameter
1.1000 inches
Shaft Thread Size
0.190 inches single shaft
Terminal Type And Quantity
12 screw

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VRB15-20-4A30 Cross Reference
  • MIL-R-23417/8
  • 632338
  • 1474922
  • 474922
  • VRB15-204A30
  • 1474922
  • 1R1SW4-424C