392 Series, RV6 Series 0.5 W Conductive Plastic
Potentiometers
Potentiometers convert rotary motion into a change of resistance, supplying a smooth transition of voltage or current levels.
The resulting voltage output may be used to control position transducers in a wide variety of potential applications.
The 392 Series and RV6 Series 0.5 W Plastic Potentiometers are economical devices designed to meet wave soldering
process requirements for mounting to printed circuit boards (PCBs). All versions contain an internal shaft seal for moisture
protection and comply with PCB washability test requirements and MIL-R-94 standards where appropriate. Termination
types are PC pin or solder hook, both are solder-dipped.
These small, single turn devices have a 3,18 mm [0.125 in] diameter shaft that is available in a range of lengths. Most
configurations have either a standard or split locking 1/4-32 NEF-2A bushing in panel seal or no panel seal versions. The
shaft/bushing materials are nickel-plated brass or thermoplastic. They are available in metal/metal, plastic/plastic, or a
combination of the two. Custom designs are available upon request.
The 392 Series and RV6 Series are available in resistances from 1
00 Ohm to 5 MOhm, inclusive.
Tapers include linear, log,
and antilog to meet a wide range of application requirements.
RV6 Series devices meet requirements of MIL-R-94.
Key Features and Benefits
•
Wave solderable:
Allows the devices to be automatically
soldered on a PCB using the wave soldering process instead
of being manually soldered, saving time and yielding consistent
results
•
PCB washable:
Permits the PCB board containing the soldered
devices to be washed after soldering, saving time and yielding
consistent results
•
•
•
Cost-effective:
Supplies good performance at a reasonable
price
Wide range of resistance values (100 Ohm to 5 MOhm,
inclusive):
Promotes flexibility in the applications
Small package size:
Allows use where space contraints may
be present
Potential
Applications
INDUSTRIAL/COMMERCIAL
•
•
•
•
•
•
Audio and visual equipment (i.e., guitars, sound mixers,
projectors)
Light switches
Hand-held equipment (e.g., multimeters and mobile
monitoring devices)
Test and measurement equipment (e.g. oscilloscopes)
Communications equipment (e.g. walkie-talkies)
Thermostats
MEDICAL
•
•
Hand-held equipment (e.g., mobile monitoring devices)
Laboratory and diagnostic equipment
,
Table of Contents
General Specifications . . . . . . . . . . . . . . . . . 3-6
General Configuration Guide . . . . . . . . . . . . . . 7
392 Series:
Specific Configurations . . . . . . . . . . . . . . 8-10
Order Guides . . . . . . . . . . . . . . . . . . . . . .11-21
RV6 Series:
Specific Configurations . . . . . . . . . . . . . . . . 22
Order Guides . . . . . . . . . . . . . . . . . . . . . 23-27
Mounting Hardware . . . . . . . . . . . . . back page
Additional Information. . . . . . . . . . . . back page
TRANSPORTATION
•
Vehicle manual controls (e.g. joysticks)
Wave solderable • Washable • Cost-effeCtive
2
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General Specifications
Table 1. Electrical Specifications
Parameter
Characteristic
Maximum working voltage
Dielectric strength
Power rating:
solder hook
Taper
CRV
1
:
linear tapers
log, reverse log tapers
Resistance:
linear tapers
log, reverse log tapers
Resistance tolerance:
linear tapers:
100 Ohm to 1 MOhm
>1 MOhm
log, reverse log tapers:
500 Ohm to 250 kOhm
>250 kOhm
End resistance
Linearity
100 Ohm to 5 MOhm
500 Ohm to 2 MOhm
392 Series
350 Vdc max.
750 Vac for 60 s at 1 mPa [atm], 350 Vac for 60 s at 11,5 kPa [3.4 inHg]
0.5 W at 70 °C [158 °F], derated to 120 °C [248 °F] 0.25 W
linear (S), linear (special), log (Z), reverse log (RZ)
1.5% max. of total resistance
linear (S), log (Z)
RV6 Series
100 Ohm to 1 MOhm
500 Ohm to 1 MOhm
±10%
±20%
±10%
±20%
4 Ohm max. at each end of rotation
±5% independent
Electrical rotation:
nominal
effective
1
265
°
(
+0°/-10°)
295
°
(
±5°)
Contact resistance variation is the maximum momentary change in contact resistance that occurs when the wiper is moved from one
location to another location. The larger this change, the more difficult it is to set the trimmer potentiometer and the more unstable the long
term setting will be.
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3
General Specifications
Table 2. Mechanical Specifications
Parameter
Characteristic
392 Series
RV6 Series
Shaft:
diameter
material:
metal
plastic
Bushing:
diameter/thread size
material:
metal
plastic
Termination base material
Termination types:
solder hook material
PC pin:
PCB fit
material
Cover material
Housing material
Base material
Mounting hardware material:
jam nut
mounting nut
lock washer
panel O-ring
Sealant
Operating torque
Stop torque
Weight (approx.):
metal shaft and metal bushing
plastic shaft and plastic bushing
Table 3. Environmental Specifications
3,18 mm [0.125 in]
nickel-plated brass
thermoplastic
1/4-32 NEF-2A
nickel-plated brass
thermoplastic
thermoset plastic
brass, solder (tin-lead) dip finish
2,54 mm [0.100 in] grid spacing, 0,86 mm [0.034 in] holes
brass, solder (SAC305) dip finish
stainless steel
thermoplastic
thermoset
nickel-plated brass
nickel-plated brass
nickel-plated phospher bronze
Buna-N
epoxy
3,5 mN m to 14 mN m [0.5 in-oz to 2.0 in-oz]
34 N m [3 in-lb]
7,09 g [0.25 oz]
2,84 g [0.1 oz]
Parameter
Characteristic
392 Series
RV6 Series
Operating temperature
Base material
Rotational life
Soldering
—
-55 °C to 120 °C [-67 °F to 248 °F]
-40 °C to 120 °C [-40 °F to 248 °F]
tested to 50,000 cycles
MIL-R-94
Table 4. Maximum Percent Temporary Resistance from 25 °C [77 °F]
Nominal
Resistance
Temperature
-55 °C
[-67 °F]
±
5.0
-40 °C
[-40 °F]
±4
.0
0 °C
[32 °F]
±1.5
25 °C
[77 °F]
55 °C
[131 °F]
±
1.5
±
1.5
±
2.0
±
2.5
85 °C
[185 °F]
±
2.0
±
2.5
±
3.5
±
4.0
120 °C
[248 °F]
±
3.5
±
5.5
±
6.0
±
7.5
100 Ohm
10 kOhm
100 kOhm
1 MOhm
4
0
0
0
0
+7.0
+8.0
+10.0
+5.5
+6.0
+8.0
+2.0
+2.5
+3.0
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