Model: 3RS901-3A

Control Transformer Synchro

Properties:

Body Material
Steel, stainless
Body Style
Standard round c
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
Between 0.6245 inches and 0.6250 inches
Overall Length
2.1390 inches
Flange Diameter
Between 1.0570 inches and 1.0650 inches
Flange Thickness
0.0930 inches
Undercut Diameter
0.9750 inches
Undercut Width
0.0500 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.3740 inches single shaft
Body Size
11
Stator Input Voltage Rating In Volts
11.8
Stator Input Current Rating
21.0 milliamperes
Stator Input Electrical Power Rating
30.0 milliwatts
Frequency In Hertz
400.0
Zro Impedance Magnitude In Ohms
3340.00
Zro Impedance Angle In Deg
79.20
Zso Impedance Magnitude In Ohms
577.00
Zso Impedance Angle In Deg
80.70
Zrs Impedance Magnitude In Ohms
659.00
Zrs Impedance Angle In Deg
30.10
Rotor Dc Resistance In Ohms
385.00
Stator Dc Resistance In Ohms
60.00
Phase Shift Angle In Deg
4.200 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
30.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
40.00
Electrical Error Angular Range In Minutes
-3.0/+3.0
Actuator Friction Torque At Minus 55 Deg Celsius
16.0 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
4.0 centimeter-grams
Pilot Length
0.0620 inches
Shoulder Length
0.0620 inches
Mounting Surface To Terminal End Distance
1.7650 inches
Terminal Location
Rear
Shaft Slot Depth
0.0300 inches single shaft
Shaft Slot Width
0.0250 inches single shaft
Shaft Type
Round, slotted single shaft
Transformation Ratio
2.203 rotor to stator
Terminal Type And Quantity
5 wire lead
NSN
5990-00-242-2705
Part Number
3RS901-3A
Description
Synchro,control Transformer
CAGE
88818

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

Part 3RS901-3A NSN 5990-00-242-2705

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15289
FIIG:
A07800
Concept No.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9014900000
  • SITC: 87412
  • End Use: Marine engines, parts
  • NAICS: 334511
  • USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances

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