Model: CTH8A4/L787

Control Transformer Synchro
Description:

Steel, stainless body material, standard round a body style, 0.4995 inches pilot diameter, 1.6590 inches overall length, 0.7490 inches flange diameter.

Properties:

Body Material
Steel, stainless
Body Style
Standard round a
Pilot Diameter
Between 0.4995 inches and 0.5000 inches
Overall Length
1.6590 inches
Flange Diameter
Between 0.7490 inches and 0.7500 inches
Flange Thickness
0.0620 inches
Undercut Diameter
Between 0.6880 inches and 0.6910 inches
Undercut Width
0.0620 inches
Shaft Diameter
0.0895 inches single shaft and 0.0900 inches single shaft
Shaft Length
0.3600 inches single shaft and 0.3900 inches single shaft
Fragility Factor
Moderately rugged
Body Size
8
Stator Input Voltage Rating In Volts
11.8
Stator Input Current Rating
33.0 milliamperes
Stator Input Electrical Power Rating
88.0 milliwatts
Frequency In Hertz
400.0
Zro Impedance Magnitude In Ohms
Between 408.00 and 552.00
Zro Impedance Angle In Deg
Between 1620.00 and 1980.00
Zso Impedance Magnitude In Ohms
Between 69.70 and 9430.00
Zso Impedance Angle In Deg
Between 297.00 and 363.00
Zrs Impedance Magnitude In Ohms
Between 501.00 and 678.50
Zrs Impedance Angle In Deg
Between 161.00 and 218.00
Rotor Dc Resistance In Ohms
Between 328.00 and 402.00
Stator Dc Resistance In Ohms
Between 54.00 and 66.00
Phase Shift Angle In Deg
8.500 input to output
Maximum Total Null Voltage Output In Millivolts Per Volt
30.00
Electrical Error Angular Range In Minutes
-7.0/+7.0
Actuator Friction Torque At Minus 55 Deg Celsius
12.00 centimeter-grams
Actuator Friction Torque At Plus 25 Deg Celsius
4.00 centimeter-grams
Pilot Length
0.0430 inches
Mounting Surface To Terminal End Distance
1.2410 inches
Terminal Location
Rear
Shaft Slot Depth
0.0250 inches single shaft
Shaft Slot Width
0.0200 inches single shaft
Shaft Type
Round, slotted single shaft
Transformation Ratio
2.203 rotor to stator
Terminal Type And Quantity
5 wire lead
NSN
5990-00-009-3291
Part Number
CTH8A4/L787
Description
Synchro,control Transformer
CAGE
99932

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 CTH8A4/L787 NSN 5990-00-009-3291

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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