Model: MDH20-10/1869

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical servo mounted
Reliability Indicator
Not established
Pilot Diameter
1.1875 inches
Pilot Length
0.0620 inches
Undercut Diameter
1.812 inches
Undercut Width
0.0620 inches
Body Diameter
1.812 inches
Angle Of Mounting Hole In Deg
90.0
Angle Between Centerlines Of Mounting Holes In Deg
120.0
Shaft Diameter
Between 0.2494 inches and 0.2497 inches
Shaft Length
0.462 inches
Body Length
4.000 inches
Mounting Lip Diameter
2.0050 inches
Mounting Lip Depth
0.0620 inches
Mounting Hole/stud Circle Diameter
1.250 inches
Shaft Style
Round
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
3600.0
Maximum Starting Torque
3.50 inch-ounces
Maximum Running Torque
3.00 inch-ounces
Shaft End Play
0.0025 inches
Shaft Runout
0.001 inches
Lateral Runout
0.005 inches
Pilot Diameter Runout
0.0015 inches
Shaft Radial Play
0.004 inches
Mechanical Backlash In Deg Angular Rotation
0.5
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Clamp ring
Electrical Resistance Per Section
20.0 kilohms all sections
Tap Location From Ccw Terminal Per Section In Deg Of Effective Electrical Rotation
1800.0 all sections
Rotary Actuator Travel In Angular Deg
3780.0
Function Conformity Tolerance Per Section
-0.033/+0.033 2nd section
Function Conformity Tolerance Per Section
-0.066/+0.066 1st section
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 all sections
Power Dissipation Rating Per Section In Watts
5.0 free air all sections
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
-5.0/+5.0 all sections
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
All sections graph
Tempurature Coefficient Of Resistance Wire Per Section In Ppm Per Deg Celsius
-20.0/+20.0 all sections
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 single section
Test Data Document
06481-900217-113 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
8 tab, solder lug
NSN
5905-00-887-9469
Part Number
MDH20-10/1869
Description
Resistor,variable,wire Wound,pre
CAGE
04454

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 MDH20-10/1869 NSN 5905-00-887-9469

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:
A
ESD:
ESD:
MMAC:
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:
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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