Model 97 & 99—5/8" Square Single-Turn
Panel Control with Rotary Switch
|
|
|
| Features: |
| • |
Cermet or Conductive Plastic Elements |
| • |
±5% Independent Linearity |
| • |
Metal Bushing; Plastic or Metal Shaft |
| • |
DPST and DPDT Rotary Switch Options |
| • |
IP40 Rating |
| • |
RoHS Compliant |
|
|
Model
|
Model 97
| Single-Turn, L-Pattern PC Pins with Switch
|
Model 99
| Single-Turn, Triangle-Pattern Solder Lugs with Switch
|
|
|
|
Potentiometer Electrical Specifications
|
Output
|
Conductive Plastic: 1K to 1M ohm
Cermet Linear Taper: 100 to 1M ohm
Cermet Audio Taper: 1K to 1M ohm
|
Tolerance
|
Conductive Plastic: 10%
Cermet: 5% or 10%
|
Linearity
|
±5%
|
Minimum Resistance
|
2 ohms maximum
|
Effective Electrical Angle
|
Conductive Plastic Linear: 240°±5°
Conductive Plastic Audio: 225°±5°
Cermet Linear: 240°±6°
Cermet Audio: 225°±6°
|
Contact Resistance Variation
|
±1% or 3 ohms (whichever is greater)
|
Dielectric Withstanding Voltage
|
Sea Level: 1,500 VAC minimum
70,000 Feet: 500 VAC minimum
(MIL-STD-202, Method 301) |
Insulation Resistance
|
1,000 megohms minimum (500 VDC)
|
Power Rating
(Voltage limited by power dissipation or 350 VAC, whichever is less) |
+70°C Single Section:
CP Linear: 1 watt; Cermet Linear: 2 watts
+70°C Multiple Section:
CP Linear: .5 watt; Cermet Linear: 1 watt
CP Audio: 0.25 watt; Cermet Audio: .5 watt
+125 °C: 0 watt
|
Theoretical Resolution
|
Essentially infinite
|
|
|
|
Potentiometer Mechanical Specifications
|
Mechanical Angle
|
300° ±5°
|
Stop Strength
|
1/4" Dia. shaft: 45.19 N-cm (4 lb.-in.)
1/8" Dia. shaft: 33.89 N-cm (3 lb.-in.)
|
Running Torque
|
A & R Bushings:
0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.)
C & U Bushings:
0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) |
Starting Torque
|
0.3 max. above average running torque
|
Mounting Torque
|
1.7-2.0 N-m (15-18 lb.-in.) maximum |
Torque Variation
|
0.35 N-cm (0.5 oz.-in.) max. 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
|
2 potentiometer modules maximum |
Hardware
|
One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number. |
|
|
|
Potentiometer Environmental Specifications
|
Operating Temperature Range
|
-40°C to +125°C
|
Storage Temperature Range
|
-55°C to +125°C
|
Temperature Coefficient
Over Storage Temperature Range |
Conductive Plastic: ±1,000 ppm/°C
Cermet: ±150 ppm/°C
|
Vibration 15G
(Single Section) |
Total Resistance Shift: ±2% maximum
Voltage Ratio Shift: ±5% maximum
|
Shock 30G
(Single Section)
|
Total Resistance Shift: ±2 % maximum
Voltage Ratio Shift: ±5 % maximum |
Load Life
1,000 hours
|
Total Resistance Shift
Conductive Plastic: ±10% maximum
Cermet: ±5% maximum |
Rotational Life (No Load)
100,000 cycles
|
Total Resistance Shift
CP Linear taper: 10 ohms or ±15% TRS max.
(whichever is greater)
CP Audio taper: ±20% maximum
Cermet All tapers: ±5% TRS maximum |
Contact Resistance Variation—50,000 cycles
|
Linear taper: ±2%
Audio taper: ±3% |
Moisture Resistance
MIL-STD-202, Method 103B, Condition B
|
Total Resistance Shift
CP Linear taper: ±10% TRS maximum
CP Audio tapers: ±20% TRS maximum
Cermet All tapers: ±5% TRS maximum
Insulation Resistance (500 VDC):
100 megohms minimum |
IP Rating
|
IP40
|
|
|
|
Switch Electrical Specifications
|
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: 2A @ 125 volts RMS-60 Hz or 2A @ 28 VDC, 1A @ 250 volts RMS-60 Hz
DPDT: 1A @ 125 volts RMS-60 Hz or 1A @ 28 VDC |
Contact Resistance
(0.1 VDC-10 mA) |
10 milliohms nominal
|
| Contact Bounce |
5 milliseconds maximum
|
Dielectric Withstanding Voltage
|
Sea Level: 1500 VAC minimum
MIL-STD-202, Method 301 |
Insulation Resistance
|
1000 megohms minimum |
|
|
|
Switch Mechanical Specifications
|
Actuating Torque
|
3.53 to 10.59 N-cm (5 to 15 oz.-in.)
(Each Section, Switch Module Only) |
| Running Torque |
0.21 to 1.41 N-cm (0.3 to 2 oz.-in.)
(Out of Detent, 2-4 Module Assembly) |
| 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
|
0.9 kg (2 lbs.) minimum
(Before and After Soldering Heat Exposure) |
|
|
|
Switch Environmental Specifications
|
Operating Temp. Range
|
0°C to +70°C
|
| Exposure Temp. Range |
-65°C to +125°C |
Vibration (Dual Section)
8G |
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 |
|
|
|
|
|
|
|
