Model: BH273

Non Wire Wound Variable Resistor

Special Features:

Extend existing locking pin using 0.12 dia. X 0.25 lg copper rod; slot one end of rod 0.12 x 0.03 and solder to existing pin

Properties:

Section Quantity
2
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
First Flat Length
0.250 inches
Flat Height
0.216 inches
Body Diameter
1.688 inches
Shaft Diameter
0.250 inches
Shaft Length
0.745 inches
Mounting Bushing Length
0.375 inches
Body Length
1.906 inches
Shaft Style
Round, flatted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
280.0
Nonturn Device Location
At 9 oclock
Nonturn Device Radius
0.531 inches
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Electrical Resistance Per Section
31.500 kilohms all sections
Rotary Actuator Travel In Angular Deg
300.0
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
105.0 all sections
Power Dissipation Rating Per Section In Watts
3.0 7th secondary pattern
Power Dissipation Rating Per Section In Watts
4.0 7th secondary finish
Power Dissipation Rating Per Section In Watts
3.0 free air 2nd section
Power Dissipation Rating Per Section In Watts
4.0 free air 1st section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 all sections
Resistance Tolerance Per Section In Percent
-10.0 to 10.0 all sections
Actuator Travel Control Feature
Stops
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
40.0 all sections
Standard Taper Curve Per Section
A all sections
Terminal Type And Quantity
6 tab, solder lug
NSN
5905-00-575-1158
Part Number
BH273
Description
Resistor,variable,wire Wound,non
CAGE
98869

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 of 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, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Part BH273 NSN 5905-00-575-1158

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
77.5
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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