Model: 78WS144

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.7500 inches
Pilot Length
0.0620 inches
Overall Length
1.438 inches
Undercut Diameter
0.781 inches
Undercut Width
0.0620 inches
Body Diameter
0.875 inches
Shaft Diameter
0.125 inches
Shaft Length
0.438 inches
Body Length
1.000 inches
Overall Diameter
1.250 inches
Mounting Lip Diameter
0.8750 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round
Shaft Bearing Type
Bearing
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
327.0
Maximum Starting Torque
10.00 inch-ounces
Maximum Running Torque
0.75 inch-ounces
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
2.500 percent, rated amperes c and better industrial clears
Electrical Resistance Per Section
2.500 percent, rated amperes c and better finish
Rotary Actuator Travel In Angular Deg
322.0
Function Conformity Tolerance Per Section
-0.20/+0.20 single section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
100.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-400.0/-300.0 single section
Power Dissipation Rating Per Section In Watts
2.0 free air single section
Function Conformity Per Section
Single section independent linearity
Resistance Tolerance Per Section In Percent
-1.0/+1.0 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Terminal Type And Quantity
6 tab, solder lug
NSN
5905-00-723-6978
Part Number
78WS144
Description
Resistor,variable,wire Wound,pre
CAGE
08815

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity) of the output is equal to or less than plus or munus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable, for items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, nonprecision.

Part 78WS144 NSN 5905-00-723-6978

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37408
FIIG:
A002A0
Concept No.:
1
App. Key:
D
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:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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