Model: RH251U

Nonwire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular w/mounting holes/slots
Reliability Indicator
Not established
Overall Length
1.312 inches
Terminal Length
Between 0.578 inches and 0.660 inches
Overall Height
0.953 inches
Overall Width
0.250 inches
Mounting Hole Diameter
0.093 inches
Shaft Diameter
0.156 inches
Shaft Length
0.125 inches
Body Length
1.250 inches
Body Width
0.250 inches
Body Height
0.334 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
9000.0
Maximum Starting Torque
8.00 inch-ounces
Center To Center Distance Between Terminals
Between 0.680 inches and 0.720 inches
Lateral Distance Between Mounting Hole Centers
1.000 inches
Mounting Facility Quantity
2
Terminal Location
Lower adjacent side single row
Mounting Method
Unthreaded hole
Electrical Resistance Per Section
250.0 ohms single section
Rotary Actuator Travel In Angular Deg
360.0
Center To Center Distance Between Center Terminal And Outside Terminal
Between 0.490 inches and 0.510 inches
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
125.0 single section
Power Dissipation Rating Per Section In Watts
0.25 free air single section
Resistance Tolerance Per Section In Percent
-10.0/+10.0 single section
Actuator Travel Control Feature
Continuous motion
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
70.0 single section
Standard Taper Curve Per Section
A single section
Terminal Type And Quantity
3 pin
NSN
5905-00-996-0425
Part Number
RH251U
Description
Resistor,variable,nonwire Wound,
CAGE
12697

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

Part RH251U NSN 5905-00-996-0425

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37405
FIIG:
A002A0
Concept No.:
1
App. Key:
B
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

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:
72D
TCC:
Z
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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