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
Request Quote
Series R potentiometers feature carbon composition elements and a compact size for applications requiring
high reliability in extreme environments.
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
Examp
le: 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"
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