Model: 20548

Nonwire Wound Variable Resistor

Properties:

Section Quantity
3
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
1.0300 inches
Pilot Length
0.0400 inches
Undercut Diameter
1.030 inches
Undercut Width
0.0600 inches
Body Diameter
1.094 inches
Shaft Diameter
0.125 inches
Shaft Length
0.500 inches
Body Length
1.260 inches
Mounting Lip Diameter
1.0940 inches
Mounting Lip Depth
0.0600 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
353.0
Maximum Starting Torque
0.90 inch-ounces
Maximum Running Torque
0.80 inch-ounces
Terminal Location
Radially positioned over more than half the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
1.0 gallons per minute c and better finish
Electrical Resistance Per Section
1.0 gallons per minute c and better industrial clears
Electrical Resistance Per Section
300.0 percent, rated amperes c and better select
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
60.0 all sections
Rotary Actuator Travel In Angular Deg
360.0
Function Conformity Tolerance Per Section
-2.00/+2.00 1st section
Function Conformity Tolerance Per Section
-2.00/+2.00 2nd section
Function Conformity Tolerance Per Section
-3.00/+3.00 3rd 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
-400.0/+400.0 all sections
Power Dissipation Rating Per Section In Watts
0.25 7th secondary grams
Power Dissipation Rating Per Section In Watts
1.0 7th secondary pattern
Power Dissipation Rating Per Section In Watts
1.0 7th secondary finish
Function Conformity Per Section
All sections absolute conformity
Fixed Tap Quantity Per Section
1 all sections
Tap Location Tolerance Per Section
-1.0/+1.0 degrees angular rotation all sections
Resistance Tolerance Per Section In Percent
-0.01/+0.01 all sections
Actuator Travel Control Feature
Continuous motion
Tap Location From Ccw Terminal Per Section In Ohms
150000.0 2nd section
Tap Location From Ccw Terminal Per Section In Ohms
500000.0 1st section
Function Characteristic Per Section
All sections equation
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 1st section
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 2nd section
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
90.0 3rd section
Terminal Type And Quantity
12 turret
NSN
5905-00-784-2201
Part Number
20548
Description
Resistor,variable,nonwire Wound,
CAGE
10112

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 finctional tolerance (linearity) of the output is equal to or less 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 postioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rehostat 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, nonprecision; and resistor (1), variable, wire wound, precision.

Part 20548 NSN 5905-00-784-2201

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37407
FIIG:
A002A0
Concept No.:
1
App. Key:
C
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:
--
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:
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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