Model: 7603-18

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
2
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
4.548 inches
Body Diameter
1.812 inches
Shaft Diameter
0.250 inches
Shaft Length
0.563 inches
Body Length
3.985 inches
Overall Diameter
2.438 inches
Shaft Style
Round, slotted
Shaft Bearing Type
Ball
Actuator Type
Single shaft
Maximum Starting Torque
1.20 inch-ounces
Maximum Running Torque
0.80 inch-ounces
Maximum Stop Torque
1000.00 inch-ounces
Shaft End Play
0.00500 inches
Shaft Runout
0.002 inches
Lateral Runout
0.002 inches
Pilot Diameter Runout
0.00200 inches
Shaft Radial Play
0.002 inches
Fragility Factor
Moderately delicate
Terminal Location
Longitudinally positioned on the circumference
Mounting Method
Flange
Electrical Resistance Per Section
5.000 percent, rated amperes c and better
Function Conformity Tolerance Per Section
-0.05/+0.05 all sections
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 7th secondary at 10'30 oclock
Function Conformity Per Section
All sections independent linearity
Fixed Tap Quantity Per Section
1 all sections
Tap Location Tolerance Per Section
-1.0/+1.0 ohms all sections
Resistance Tolerance Per Section In Percent
-5.0/+5.0 all sections
Tap Location From Ccw Terminal Per Section In Ohms
-2500.0 all sections
Function Characteristic Per Section
6 oclock all primaries
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 all sections
Precious Material And Location
Terminals gold
Precious Material
Gold
Terminal Type And Quantity
8 tab, solder lug
NSN
5905-00-617-9557
Part Number
7603-18
Description
Resistor,variable,wire Wound,pre
CAGE
73138

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 7603-18 NSN 5905-00-617-9557

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:
G
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:
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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