#300WS278 Wire Wound Variable Resistor | Resistors

300WS278

Pre Wire Wound Variable Resistor

NSN 5905-00-231-3858

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002313858

Product Features

Sections 1, 4, and 5 each have a 5k ohm wiper load; sections 2, 6, and 7 each have a resistance element located across the tap

Technical Specifications of NSN

Section Quantity:
7
Body Style:
Cylindrical servo mounted
Reliability Indicator:
Not established
Pilot Diameter:
2.8750 inches
Pilot Length:
0.0620 inches
Overall Length:
5.250 inches
Undercut Diameter:
2.875 inches
Undercut Width:
0.0730 inches
Body Diameter:
3.031 inches
Shaft Diameter:
Between 0.2494 inches and 0.2497 inches
Shaft Length:
0.625 inches
Body Length:
4.500 inches
Mounting Lip Diameter:
3.0000 inches
Mounting Lip Depth:
0.0930 inches
Shaft Style:
Round, slotted
Shaft Bearing Type:
Ball
Actuator Type:
Double ended shaft
Effective Electrical Rotation In Deg Angular Rotation:
358.0
Maximum Starting Torque:
5.90 inch-ounces
Maximum Running Torque:
3.60 inch-ounces
Shaft End Play:
0.0025 inches
Shaft Runout:
0.001 inches
Terminal Location:
Radially positioned over less than half the circumference
Mounting Method:
Clamp ring
Features Provided:
Humidity proof
Electrical Resistance Per Section:
5.0 kilohms all sections
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation:
0.0 7th section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation:
345.0 2nd section
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation:
345.0 6th section
Rotary Actuator Travel In Angular Deg:
360.0
Function Conformity Tolerance Per Section:
-0.25/+0.25 6th section
Function Conformity Tolerance Per Section:
-0.50/+0.50 2nd section
Function Conformity Tolerance Per Section:
-0.50/+0.50 3rd section
Function Conformity Tolerance Per Section:
-0.50/+0.50 7th section
Function Conformity Tolerance Per Section:
-1.00/+1.00 1st section
Function Conformity Tolerance Per Section:
-1.00/+1.00 4th section
Function Conformity Tolerance Per Section:
-1.00/+1.00 5th section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power:
125.0 all sections
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius:
-150.0/+150.0 all sections
Power Dissipation Rating Per Section In Watts:
2.0 free air all sections
Function Conformity Per Section:
All sections absolute conformity
Fixed Tap Quantity Per Section:
1 2nd section
Fixed Tap Quantity Per Section:
1 6th section
Fixed Tap Quantity Per Section:
1 7th section
Resistance Tolerance Per Section In Percent:
-1.0/+1.0 3rd section
Resistance Tolerance Per Section In Percent:
-5.0/+5.0 1st section
Resistance Tolerance Per Section In Percent:
-5.0/+5.0 2nd section
Resistance Tolerance Per Section In Percent:
-5.0/+5.0 4th section
Resistance Tolerance Per Section In Percent:
-5.0/+5.0 5th section
Resistance Tolerance Per Section In Percent:
-5.0/+5.0 6th section
Resistance Tolerance Per Section In Percent:
-5.0/+5.0 7th section
Actuator Travel Control Feature:
Continuous motion
Function Characteristic Per Section:
10 oclock 12th primary
Function Characteristic Per Section:
11 oclock 5th primary
Function Characteristic Per Section:
12 oclock 12th primary
Function Characteristic Per Section:
8 oclock all primaries
Function Characteristic Per Section:
9 oclock 12th primary
Function Characteristic Per Section:
Cold rolled 12th primary
Function Characteristic Per Section:
Drawn and pickled 12th primary
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power:
40.0 all sections
Precious Material And Location:
Terminal surfaces gold
Precious Material:
Gold
Test Data Document:
10001-2552844 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity:
24 tab, solder lug
NSN:
5905-00-231-3858
Item Name:
Resistor,variable,wire Wound
Cage Code:
08815

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2552844
Cage Code:
10001
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
402-5025
Cage Code:
02111
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
24017
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
19176
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
NL5713-1479-0
Cage Code:
73138
RNCC:
5
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
C7407
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
402-5025
Cage Code:
C7407
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
83986
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
97235
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
12205
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
02111
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
08815
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
2552844
Cage Code:
11534
RNCC:
5
RNVC:
9
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Resistors
--------- Pre Wire Wound Variable Resistors
------------ P/N 300WS278

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Last Updated: 12/30/2024