39LA-1PB-503 Bourns Inc., 39LA-1PB-503 Datasheet

39LA-1PB-503

Manufacturer Part Number

39LA-1PB-503

Description

PANEL CONTROL-1/2" 13MM 1T ROUND CP

Manufacturer

Bourns Inc.

Series

39r

Datasheet

1.39LB-1PB-103.pdf (2 pages)

Specifications of 39LA-1PB-503

Resistance (ohms)

50K

Power (watts)

0.25W, 1/4W

Tolerance

±20%

Number Of Turns

Single

Rotation

270°

Adjustment Type

Top Adjustment

Resistive Material

Conductive Plastic

Termination Style

Through Hole

Actuator Length

12.70mm

Actuator Type

Slotted Shaft

Actuator Diameter

3.18mm

Package / Case

Round - 0.512" Dia x 0.217" H (13.00mm x 7.01mm)

Resistance In Ohms

50.0K

Resistance

50 KOhms

Power Rating

0.25 Watt (1/4 Watt)

Taper

Linear

Element Type

Conductive Plastic

Shaft Type

Slotted

Shaft Length

12.7 mm

Shaft Diameter

3.17 mm

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Temperature Coefficient

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Standard Resistance Range ........................................................................................................................................................................................... 5 K - 100 K ohms

Total Resistance Tolerance ...............................................................................................................................................................................................................±20 %

Independent Linearity .........................................................................................................................................................................................................................±5 %

End Resistance...............................................................................................................................................................................................................2 ohms maximum

Effective Electrical Angle

Contact Resistance Variation .............................................................................................................................................................................................. 3 % maximum

Dielectric Withstanding Voltage (MIL-STD-202, Method 301)

Insulation Resistance ...........................................................................................................................................................................................100 megohms minimum

Power Rating @ 70 ºC (Derated to 0 @ 125 °C)

Rotary Switch Type.................................................................................................................................................................................................................... SPST N.O.

Momentary Push Switch Type ................................................................................................................................................................................................... SPST N.O.

Operating Temperature Range .......................................................................................................................................................... -40 °C to +85 °C (-40 °F to +185 °F)

Storage Temperature Range ............................................................................................................................................................. -55 °C to +85 °C (-67 °F to +185 °F)

Vibration ..............................................................................................................................................................................................................................................15 G

Shock ..................................................................................................................................................................................................................................................30 G

Load Life .................................................................................................................................................................................................................................. 1,000 Hours

Rotational Life (No Load) ...................................................................................................................................................................................................... 50,000 cycles

Switch Life

Moisture Resistance ................................................................................................................................................................... MIL-STD-202, Method 103, Condition B

IP Rating ............................................................................................................................................................................................................................................. IP 40

Stop Strength ...........................................................................................................................................................................................................19.8 N-cm (28 oz.-in.)

Mechanical Angle

Torque

Shaft Retentiion

Weight (Single Section)...................................................................................................................................................................................................4 grams (0.14 oz.)

Terminals

Marking ................................................................................................................................................................ Manufacturer’s trademark, part number and date code

Ganging .............................................................................................................................................................................................................................1 cup maximum

Hardware .............................................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number

Packaging .............................................................................................................................................................................................................................. 100 pcs./tray

Electrical Characteristics

Switch Characteristics

Environmental Characteristics

Mechanical Characteristics

Non-Switch Type (Bushing Type “S”) ..................................................................................................................................................................................220 ° ± 5 °

Rotary Switch Type (Bushing Type “S”) ................................................................................................................................................................................220 ° ±5 °

Momentary Push Switch Type (Bushing Type “L”) ............................................................................................................................................................ 201 ° ±5 %

Sea Level .............................................................................................................................................................................................................750 VRMS minimum

(Voltage Limited by Power Dissipation or 350 VAC, whichever is less)

Linear Taper ...........................................................................................................................................................................................................................0.25 watt

Audio Taper ..........................................................................................................................................................................................................................0.125 watt

Power Rating (Resistive Load) ............................................................................................................................................................................. 1.5 amps @ 12 VDC

Contact Resistance @ 10 mA ........................................................................................................................................................................200 milliohms maximum

Contact Bounce .............................................................................................................................................................................................................5 milliseconds

Actuation Torque .................................................................................................................................................................................. 0.7 to 4.9 N-cm (1 to 7 oz.-in.)

Contact Resistance @ 10 mA (w/500 gm Shaft Load) ...........................................................................................................................................50 ohms maximum

Actuation Force .......................................................................................................................................................................................................... 500 ± 100 gram

Total Resistance Shift ..................................................................................................................................................................................................................±3 %

Voltage Ratio Shift .......................................................................................................................................................................................................................±5 %

Rotary Switch Type ........................................................................................................................................................................................................ 25,000 cycles

Non-Switch and Rotary Switch Type ..................................................................................................................................................................................270 ° ±10 °

Starting .......................................................................................................................................................................0.07 to 0.70 N-cm (0.1 to 1.0 oz.-in.) minimum

Running....................................................................................................................................................................0.07 to 0.53 N-cm (0.1 to 0.75 oz.-in.) maximum

Mounting ...........................................................................................................................................................................1.7 to 2.0 N-m (15 to 18 lbs.-in.) maximum

Pull Force .........................................................................................................................................................................................................4 Kg (8.8 lb.) maximum

Push Force .....................................................................................................................................................................................................4.5 Kg (10 lb.) maximum

Potentiometer ...................................................................................................................................................................................... Printed circuit board terminals

Switch ............................................................................................................................................................................................................................. Flat terminals

Soldering Condition

Manual Soldering ..................................................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire; 370 °C (700 °F) max. for 3 seconds

Wave Soldering .......................................................................................... 96.5Sn/3.0Ag/0.5Cu solder with no-clean ﬂ ux; 260 °C (500 °F) max. for 5 seconds

Wash processes ............................................................................................................................................................................................. Not recommended

Features

■

39 – 13 mm Single Turn Panel Control with Switch Option

Conductive plastic technology

Low proﬁ le package

50,000 cycle rotational life

Available with momentary push or rotary

switch option

PCB mount terminal conﬁ guration

Customers should verify actual device performance in their speciﬁ c applications.

*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.

■

Rugged metal housing for industrial

applications

Flatted or slotted shaft options

RoHS compliant*

Speciﬁ cations are subject to change without notice.

Related parts for 39LA-1PB-503

39LA-1PB-503 Summary of contents

Page 1

Electrical Characteristics Standard Resistance Range ........................................................................................................................................................................................... 100 K ohms Total Resistance Tolerance ...............................................................................................................................................................................................................±20 % Independent Linearity .........................................................................................................................................................................................................................±5 % End Resistance...............................................................................................................................................................................................................2 ohms maximum Effective Electrical Angle Non-Switch Type (Bushing Type “S”) ..................................................................................................................................................................................220 ° ± 5 ° Rotary Switch ...

Page 2

Single Turn Panel Control with Switch Option Product Dimensions BUSHING STYLE "L" 0.30 ± 0.10 25 ° ± 10 ° (.012 ± .004) 4.83 ± 0.30 5.50 ± 0.40 (.190 ± .012) (.217 ± .016) CCW ...

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