Model: 78WS250

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
0.7900 inches
Pilot Length
0.0620 inches
Undercut Diameter
0.750 inches
Undercut Width
0.0570 inches
Body Diameter
0.875 inches
Shaft Diameter
0.125 inches
Shaft Length
0.625 inches
Body Length
0.790 inches
Mounting Lip Diameter
0.8750 inches
Mounting Lip Depth
0.0620 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
360.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
25.0 ohms single section
Rotary Actuator Travel In Angular Deg
360.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Power Dissipation Rating Per Section In Watts
2.5 free air single section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Continuous motion
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
25.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 turret
NSN
5905-00-903-0803
Part Number
78WS250
Description
Resistor,variable,nonwire Wound,
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), if given, of the output is greater than plus or minus 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, wire wound, nonprecision; resistor (1), variable, nonwire wound precision; and resistor (1), variable, wire wound, precision.

Part 78WS250 NSN 5905-00-903-0803

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37405
FIIG:
A002A0
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:
B
ESD:
B
MMAC:
EH
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:
658
TCC:
3
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533400080
  • SITC: 77235
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Variable resistors, including potentiometers, nesoi

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