SHERBURN ELECTRONICS
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Series R potentiometers feature carbon composition elements and a compact size for applications requiring
high reliability in extreme environments.
Picture
Picture

Series R Specs
Precision Series R
 

Features
  • hot molded carbon element
  • all metal shaft and housing
  • sealed shaft and housing
  • quality meeting or exceeding MIL-R-94

Electrical Specifications
  • Resistance range, linear taper: 100  to 5 Meg 
  • Resistance range, logarithmic taper: 150  to 1 Meg 
  • Resistance tolerance: ±10% or ±20%
  • Resistance taper: linear, logarithmic, reverse logarithmic; other tapers by special order
  • Power rating: 0.75 watts at 70°C derated to 0 watts at 120°C
  • Insulation resistance:
  • dry: 10K Meg 
  • wet: 100K Meg 
  • Dielectric strength: 900 V RMS at sea level
  • Operating voltage: 500 V, subject to power rating


Mechanical Specifications
  • Mechanical rotation: 300°
  • Operating torque: 1 oz/in to 6 oz/in
  • Rotational life: 25,000 cycles
Environmental Specifications
  • Operating temperature: -65°C to +125°C
  • Resistance to soldering heat: 350°C for 5 seconds
  • Humidity range: per MIL-R-94
  • Vibration range: per MIL-R-94
  • Shock resistance: per MIL-R-94
  • Load life: 1000 hours at 70°C

Ordering Information - Series R

Example: RW4U1031S28
  Series:


R
 = series R


  Bushing:


​W =
panel &
shaft seal
   Bushing        length

4 = 1/4"
blank = 3/8"


​
      Taper:


​U = linear
A = logarithmic
B = reverse logarithmic
Resistance value:


Total resistance
value in : first two digits significant,
third digit =
number of zeroes
Tolerance:


1 = 10% of nominal
2 =
20% of nominal
 Shaft     style:

R = round
S = slotted
F = flatted
   Shaft         length:

16 = 1/2"
20 = 5/8"
24 = 3/4"
28 = 7/8"
Sherburn Electronics Inc.  2024
Your Authorized Source for Electronic Components!
[email protected]

800-366-3066
  • Home
  • About
  • Products
  • Line Card
    • TE Connectivity (TYCO) >
      • Hartman
      • Mid-Range Relays
      • Solid State Relays
      • Contactors
      • Circuit Breakers
      • Time Delay Relays & Timing Modules
    • JFW Industries
    • ThermoKonnect
    • PEC (Precision Electronics Corp) >
      • MIL Style RV4
      • MIL Style 2RV7
      • MIL Style RV2
      • Series P
      • Series R
      • MIL Style RV6
      • MIL Style RV8
      • MIL Style RV5
      • Series V
    • Nelson Firestop
    • Dunbar
    • LEDTRONICS
    • Zippertubing
    • Schneider Electric (SE Relays) >
      • 9A Series
      • 792 Relays
    • Struthers Dunn Relays >
      • General Purpose Relays
      • Traffic Cabinet Relays
      • Power Contactors
      • Motor Reversing
      • Latching/Sequencing
      • Special Purpose
      • Sensitive Relays
      • Timer / Sensor Relays
      • Reed Relays
      • Accessories and Sockets
    • EHC Knobs
    • Burndy
    • Rayovac >
      • Lantern Batteries
      • Portable Power
      • Flashlights
      • Batteries
      • Specialty Batteries
      • Lights
    • PRO Charging Systems
    • Weldex Corporation
    • ShockWatch >
      • 298 ShockLog
      • 248 ShockLog
      • 208 ShockLog
      • g-View
      • ShockTrack
      • OPSWatch
    • Dialight
    • Sensata Klixon
    • Ohmite
    • Seastrom Manufacturing
  • RFQ
  • Quality
  • Contact Us