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Features

■

Virtually inﬁnite electrical circuit isolation

■

Metal or plastic shaft options

■

DPST and DPDT switch options

■

RoHS compliant versions available*

Model 97 & 99

5/8 ” Square Single-Turn Panel Control with Rotary Switch

Potentiometer Speciﬁcations

Initial Electrical Characteristics

Conductive Plastic Element

Cermet Element

Standard Resistance Range

Linear Tapers (A, B, E, & H) .........................(B & E) 1 K ohms to 1 megohm ......................... (A & H) 100 ohms to 1 megohm

Audio Tapers (C, D, F, G, S, & T) .................(D,G,S, & T) 1 K ohms to 1 megohm ................. (C & F) 1 K ohms to 1 megohm

Total Resistance Tolerance ...............................10 % or 20 % .................................................... 5% or 10%

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

Absolute Minimum Resistance .........................2 ohms maximum .............................................. 2 ohms maximum

Effective Electrical Angle ..................................(Linear tapers) 240 ° ± 5 °.................................. (Linear tapers) 240 ° ± 6 °

(Audio tapers) 225 ° ± 5 ° .................................. (Audio tapers) 225 ° ± 6 °

Contact Resistance Variation ...........................±1 % .................................................................. ±1 % or 3 ohms (whichever is greater)

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

Sea Level ....................................................1,500 VAC minimum .......................................... 1,500 VAC minimum

70,000 Feet .................................................500 VAC minimum ............................................. 500 VAC minimum

Insulation Resistance (500 VDC) ......................1,000 megohms minimum ................................. 1,000 megohms minimum

Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)

+70 °C Single Section Assembly ................(Linear tapers) 0.5 watt ...................................... (Linear tapers) 2 watts

(Audio tapers) 0.25 watt .................................... (Audio tapers) 1 watt

+70 °C Multiple Section Assembly .............(Linear tapers) 0.5 watt/section ......................... (Linear tapers) 1 watt/section

(Audio tapers) 0.25 watt/section ....................... (Audio tapers) 0.5 watt/section

+125 °C .......................................................0 watt................................................................. 0 watt

Theoretical Resolution ......................................Essentially inﬁnite .............................................. Essentially inﬁnite

Environmental Characteristics

Operating Temperature Range .......................... -40 °C to +125 °C ................................................-40 °C to +125 °C

Storage Temperature Range.............................. -55 °C to +125 °C ................................................-55 °C to +125 °C

Temperature Coefﬁcient Over Storage

Temperature Range.......................................... ±1,000 ppm/°C.....................................................±150 ppm/°C

Vibration (Single Section) ................................... 15 G ......................................................................15 G

Total Resistance Shift ................................... ±2 % maximum....................................................±2 % maximum

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

Shock (Single Section) ....................................... 30 G ......................................................................30 G

Total Resistance Shift ................................... ±2 % maximum....................................................±2 % maximum

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

Load Life ............................................................ 1,000 hours ..........................................................1,000 hours

Total Resistance Shift ................................... ±10 % maximum..................................................±5 % maximum

Rotational Life (No Load) ................................... 100,000 cycles .....................................................100,000 cycles

Total Resistance Shift ................................... (Linear tapers) 10 ohms or ±15 % TRS max. ......(All tapers) ±5 % TRS max.

(whichever is greater)

(Audio tapers) ±20 % maximum

Contact Resistance Variation

@ 50,000 cycles ........................................... (Linear tapers) ±2 %.............................................±2 %

(Audio tapers) ±3 % .............................................±3 %

Moisture Resistance (MIL-STD-202, Method 103, Condition B)

Total Resistance Shift ................................... (Linear tapers) ±10 % TRS maximum .................(All tapers) ±5 % TRS maximum

(Audio tapers) ±20 % TRS maximum

Insulation Resistance (500 VDC) .................. 100 megohms minimum ......................................100 megohms minimum

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

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

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

Model 97 & 99

5/8 ” Square Single-Turn Panel Control with Rotary Switch

Potentiometer Speciﬁcations

Mechanical Characteristics

Stop Strength (1/4 ” D shaft) .............................................................................................................................................45.19 N-cm (4 lb.-in.)

(1/8 ” D shaft) .............................................................................................................................................33.89 N-cm (3 lb.-in.)

Mechanical Angle.................................................................................................................................................................................300 ° ±5 °

Torque

Starting ........................................................................................................................................... 0.3 max. above average running torque

Running Torque

Single or Dual Section (A & R Bushings) .................................................................................................. 0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.)

Single or Dual Section (C & U Bushings) .................................................................................................. 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)

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

Variation ...................................................................................................................... 0.35 N-cm (0.5 oz.-in.) maximum in 45 ° shaft travel

Weight (Single Section, Metal Bushing)...............................................................................................................................12.7 grams nominal

(Each Additional Section) ....................................................................................................................................................4 grams nominal

Terminals .................................................................................................................................Printed circuit terminals, J-Hooks or solder lugs

Soldering Condition ...........................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.

Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean ﬂux.

Marking ..................................................................................Manufacturer’s trademark, date code, resistance, manufacturer’s part number

Ganging (Multiple Section Potentiometers).............................................................................................................................2 cups maximum

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

NOTE:

Performance speciﬁcations do not apply to units subjected to printed circuit board cleaning procedures.

room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

Model 97 & 99

5/8 ” Square Single-Turn Panel Control with Rotary Switch

Rotary Switch Speciﬁcations

Initial Electrical Characteristics

Contacts:

DPST ........................................................................................................................................................N.O/N.O., N.C./N.C. or N.O./N.C.

DPDT ..........................................................................................................................................................2 N.O./N.C. (break before make)

Power Rating (Resistive Load):

DPST ..................................................................................... 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz

DPDT .....................................................................................................................................1 A @ 125 volts RMS-60 Hz or 1 A @ 28 VDC

Contact Resistance (0.1 VDC-10 mA) ...............................................................................................................................10 milliohms nominal

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

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

Sea Level ........................................................................................................................................................................1500 VAC minimum

Insulation Resistance ................................................................................................................................................. 1000 megohms minimum

Environmental Characteristics

Operating Temperature Range .................................................................................................................................................... 0 °C to +70 °C

Exposure Temperature Range ................................................................................................................................................-65 °C to +125 °C

Vibration (Dual Section).................................................................................................................................................................................. 8 G

Contact Resistance .................................................................................................................................................. 10 milliohms maximum

Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum

Shock (Dual Section).................................................................................................................................................................................... 20 G

Contact Resistance .................................................................................................................................................. 10 milliohms maximum

Contact Bounce ................................................................................................................................................... 0.1 millisecond maximum

Rotational Life ................................................................................................................................................................................25,000 cycles

Switch Actuating Torque (50% Duty cycle @ Rated Power Load) ........................................................... 1.41 to 4.94 N-cm (2 to 7 oz.-in.)

Contact Resistance ................................................................................................................................................ 100 milliohms maximum

Moisture Resistance (MIL-STD-202, Method 106, Condition B)

Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................... 10 milliohms maximum

Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) ..............................................................100 megohms minimum

Housing Material .......................................................................................................High temperature, ﬂame retardant, thermosetting plastic

Mechanical Characteristics

Actuating Torque (Each Section, Switch Module Only).............................................................................. 3.53 to 10.59 N-cm (5 to 15 oz.-in.)

Running Torque (Out of Detent, 2-4 Module Assembly) ............................................................................. 0.21 to 1.41 N-cm (0.3 to 2 oz.-in.)

Detent ................................................................................................................................................................................CW or CCW standard

Actuation Angle ......................................................................................................................................................................................20 ° ±5 °

Contact Materials.................................................................................................................................................... Fine silver with gold overlay

Terminal Styles .............................................................................................................................................................................Solder lug only

Standard Orientation ........................................................................................................................................ In-line with control terminals

Optional ....................................................................................................................................................Rotated 90 ° CCW from standard

Terminal Strength (Before and After Soldering Heat Exposure) .................................................................................... 0.9 kg (2 lbs.) minimum

NOTE:

Performance speciﬁcations do not apply to units subjected to printed circuit board cleaning procedures.

room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

Model 97 & 99

5/8 ” Square Single-Turn Panel Control with Rotary Switch

Product Dimensions

Model 97 PC Pin Terminals, “L” Pattern

MOUNTING

SURFACE

12.70 ± .229

(.500 ± .009)

0.79 ± .025

(.031 ± .010)

DIA.

13.72 ± 0.38

(.540 ± .015)

1.37 ± 0.08

(.054 ± .003)

2.36 ± 0.08

(.093 ± .003)

15.88

(.625)

7.92

(.312)

SEE

HOW TO ORDER

CHART FOR

BUSHING OPTIONS.

DIA.

0.81

TYP.

(.032)

5.08 ± 0.38

(.200 ± .015)

11.05 ± 0.20

(.435 ± .008)

1.19

(.047)

“A” STYLE

A.R. LUG

9.53

(.375)

12.7 ± 1.02

(.500 ± .040)

2.54

(.100)

2.54

(.100)

0.76 ± 0.05

(.030 ± .002)

TYP.

SEE

FOR SHAFT

OPTIONS.

Model 99 Solder Lug Terminals, "Triangular" Pattern

5.08 ± 1.02

(.200 ± .040)

5.59 ± .20

(.220 ± .008)

4.45 ± .38

(.175 ± .015)

2.54

(.100)

2.54

(.100)

2.03

(.080)

3 PLCS.

.41

(.016)

2.29

1.02

(.040) WIDE X (.090) LONG

3 PLCS.

.381

TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64

9.65

.XX ±

ANGLE ±5 °

(.38)

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

Model 97 & 99

5/8 ” Square Single-Turn Panel Control with Rotary Switch

Product Dimensions

Model 97

(2nd Cup - Switch)

MOUNTING

SURFACE

2.77 ± .38

(.109 ± .015)

15.88

(.625)

REF.

Horizontal Term.

(Switch Types R57, R59, R61, R73)

18.42 ± 0.38

(.725 ± .015)

15.88

(.625)

16.89 ± .51

(.665 ± .020)

8.74 ± 0.25

(.344 ± .010)

2.54

(.100)

4 5

2.41 X 1.14 SLOT 6 PLCS

(.095 ± .045)

2.29

6 PLCS.

(.090)

2.54 ± 0.25

2 PLCS.

(.100 ± .010)

6 2

15.88 ± 0.38

(.625 ± .015)

2 PLCS.

2.77 ± .38

(.109 ± .015)

8.26 ± 0.25

(.325 ± .010)

Model 99

(2nd Cup - Switch)

MOUNTING

SURFACE

2.77 ± .38

(.109 ± .015)

24.77 ± .51

(.975 ± .020)

15.88

(.625)

REF.

Switch Module Variations

Shaft Flat Orientation

120 ° ± 5 ° STD.

FLAT ORIENTATION

(SHAFT AT CCW END)

CCW

POTENTIOMETER

TOTAL ROTATION 300 °

5.59 ± .38

(.022 ± .015)

16.89 ± .51

(.665 ± .020)

2.41 X 1.14

SLOT 6 PLCS

(.095 ± .045)

CCW DETENT

25 ° MAX.

ACTUATION

ANGLE

(TYPES 51,

53, 55, 57, 59,

61, 71, 73)

CW DETENT

25 ° MAX.

ACTUATION ANGLE

(TYPES 50, 52, 54,

56, 58, 60, 70, 72)

4 5

NOTE: Switch terminals shown in vertical position.

DPST (NC/NC)

(TYPES 54, 55, 60, 61)

DPST (NO/NO)

(TYPES 52, 53, 58, 59)

DPDT (NC/NC)

(TYPES 70, 71, 72, 73)

2.29

6 PLCS.

(.090)

DPST (NO/NC)

(TYPES 50, 51, 56, 57)

Switch contacts shown in detent position.

4.45 ± .38

(.175 ± .015)

2.77 ± .38

(.109 ± .015)

.381

TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64

9.65

.XX ±

ANGLE ±5 °

(.38)

DIMENSIONS:

(INCHES)

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications.

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