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Tel: 82-32-817-4325 Resistors And Fax: 82-32-817-4329 Resistive Applications Web: http://www.raraohm.com Email: sg@raraohm.com Date: 2012-12-12 Copyright©RARA Electronics Corp. PR16 SINGLE-TURN ROTARY POTENTIOMETERS
Description
The PR 16 are single-turn, metal cased, rotary c arbon control potentiometers. They comprise a carbon resistive track fitted on a resin modified paper base. The base diameter of potentiometers is 16 mm. Res istance track can be linear-A, logarithmic-B, inverse logarithmic-C or type of M+N. Potentiometers are made single or tandem, either with or without tap, plastic or metallic spindle. Terminals are designed for a PCB or soldering pins. Potenctiometers can be fitted on devices to hold up spindles in precise location s: 1, 11, or 41 positions .
Applications
Potentiometers are widely used in e lectronic audio-video equipment, electric domestic equipment and outer control elements. Quick Reference Data Parameter Value Nominal Resistance RN According E3 series (1 - 2, 2 - 4, 7 - 10 etc.) Resistance range: A (linear law) (ohms) B (logarythmic law) (ohms) C (rewers logarythmi law) (ohms) M + N law (ohms) 100 ÷ 2,2M 1k ÷ 1M 1k ÷ 1M 1k ÷ 10k Tolerance of resistance (%) ±5% for RN less than or equal to 470kohms on request ±10% for RN more than 470kohms on request ±20% for RN less than or equal to 220kohms ±30 % for RN more than220kohms Maximum dissipation at Tamb= 40oC: A law (W) B law (W) C law (W) M + N law (W) 0.1 0.05 0.05 0.05 Maximum working voltage: A law (V) B law (V) C law (V) M+N law (V) 160 160 160 160 Synchronous characteristics: (only for tandem potentiometers G) A law – for range 10 – 90% efective way B law – for range 0 – 40 dB less than or equal to 2dB less than or equal to 4dB Insulation voltage (VDC) 240 Total mechanical angle of rotation (o) 300±5 Maxi,um dissipation in category temperature 25% PN Climatic category 25/070/10
Tel: 82-32-817-4325 Resistors And Fax: 82-32-817-4329 Resistive Applications Web: http://www.raraohm.com Email: sg@raraohm.com Date: 2012-12-12 Copyright©RARA Electronics Corp. Resistance Laws: Fig. 1. Resistance laws: A - linear; B-logarithmic, C-reverse logarithmic. Fig. 2. Derating curve versus ambient temperature. Derating curve: Potenctiometers could dissipated from 100% of nominal power at ambient temperature ≤ +40oC up to 25% nominal power at ambient temperature +70oC. Marking Marking on metal case: producer "TELPOD"; rated resistance; month and year of production. Ordering example: Please order by an example: We need potentiometer 16 mm; with tap; double 47kW; linear A low; diameter of spindle 6 mm, long of spindle 25 mm; end type of spindle P-6; for mounting on printed circuit board (PCB): Potentiometer PRPT 162G 47kohms A 25 P6 Packing: The potentiometers can be supplied in bulk packing in a plastic bags and a carton box.
Tel: 82-32-817-4325 Resistors And Fax: 82-32-817-4329 Resistive Applications Web: http://www.raraohm.com Email: sg@raraohm.com Date: 2012-12-12 Copyright©RARA Electronics Corp. Spindles Indicating Of spindle ends Dimensions (mm) Diameter D L/l/a/h P-5
Tel: 82-32-817-4325 Resistors And Fax: 82-32-817-4329 Resistive Applications Web: http://www.raraohm.com Email: sg@raraohm.com Date: 2012-12-12 Copyright©RARA Electronics Corp. Outline view of potentiometers