Model: 7RS900-2A

Control Transformer Synchro

Properties:

Body Material
Steel, corrosion resisting
Body Style
Standard round c
Shoulder Diameter
Between 0.9995 inches and 1.0000 inches
Pilot Diameter
0.7500 inches
Overall Length
Between 2.6130 inches and 2.6370 inches
Flange Diameter
Between 1.0570 inches and 1.0600 inches
Flange Thickness
Between 0.0900 inches and 0.0960 inches
Undercut Diameter
Between 0.9995 inches and 1.0000 inches
Undercut Width
0.0450 inches
Shaft Diameter
0.1195 inches single shaft and 0.1200 inches single shaft
Shaft Length
0.3200 inches single shaft and 0.3260 inches single shaft
Maximum Tempurature Rise
2.0 degrees celsius
Body Size
11
Stator Input Voltage Rating In Volts
90.0
Stator Input Current Rating
18.0 milliamperes
Stator Input Electrical Power Rating
166.0 milliwatts
Frequency In Hertz
400.0
Zro Resistance In Ohms
625.00
Zso Resistance In Ohms
875.00
Zrs Resistance In Ohms
625.00
Rotor Dc Resistance In Ohms
Between 327.25 and 442.75
Stator Dc Resistance In Ohms
Between 471.75 and 635.25
Phase Shift Angle In Deg
4.500 input to output
Maximum Fundamental Null Voltage In Millivolts Per Volt
59.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt
94.00
Electrical Error Angular Range In Minutes
-6.0/+6.0
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
0.0650 inches
Shoulder Length
Between 0.0590 inches and 0.0650 inches
Mounting Surface To Terminal End Distance
1.8120 inches
Terminal Location
Rear
Plus J Zro Reactance In Ohms
3280.00
Shaft Slot Depth
0.0350 inches single shaft
Plus J Zso Reactance In Ohms
5400.00
Shaft Slot Width
0.0300 inches single shaft
Plus J Zrs Reactance In Ohms
352.00
Shaft Type
Round, slotted single shaft
Transformation Ratio
Between 0.706 rotor to stator and 0.764 rotor to stator
Terminal Type And Quantity
5 wire lead
NSN
5990-01-027-5433
Part Number
7RS900-2A
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 7RS900-2A NSN 5990-01-027-5433

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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