81C1A-E28-A20L Bourns Inc., 81C1A-E28-A20L Datasheet - Page 2

• Manufacturer Part Number: 81C1A-E28-A20L
• Description: POT 100K OHM CERMET 2W
• Manufacturer: Bourns Inc.
• Series: 81r
• Type: Potentiometerr

Specifications of 81C1A-E28-A20L

• Number Of Turns: Single
• Termination Style: Through Hole
• Temperature Coefficient: ±150ppm/°C
• Resistance (ohms): 100K
• Power (watts): 2W
• Tolerance: ±10%
• Rotation: 300°
• Adjustment Type: Side Adjustment
• Resistive Material: Cermet
• Actuator Length: 22.23mm
• Actuator Type: Slotted Shaft
• Actuator Diameter: 3.18mm
• Package / Case: Square - 0.625" L x 0.625" W x 0.625" H (15.88mm x 15.88mm x 15.88mm
• Resistance In Ohms: 100K
• Resistance: 100kohm
• Power Rating: 2W
• Tolerance (+ Or -): 10%
• Technology: Cermet
• Mounting Style: Panel
• Operating Temp Range: -40C to 125C
• Failure Rate: Not Required
• Shaft Diameter (mm): 3.18mm
• Product Diameter (mm): Not Requiredmm
• Product Length (mm): 38.11mm
• Product Height (mm): 17.52mm
• Product Depth (mm): 15.88mm
• Taper: Linear
• Element Type: Cermet
• Shaft Type: Slotted
• Shaft Length: 7/8 in
• Shaft Diameter: 1/8 in
• Product: Precision Potentiometers
• Track Resistance: 100kohm
• Track Taper: Linear
• No. Of Turns: 1
• Resistance Tolerance: ± 10%
• Potentiometer Mounting: Panel
• No. Of Gangs: 1
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant

Contacts:
Power Rating (Resistive Load):
Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................................................... 10 milliohms nominal
Contact Bounce ................................................................................................................................................................................ 5 milliseconds maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Insulation Resistance ....................................................................................................................................................................... 1000 megohms minimum
Operating Temperature Range ...........................................................................................................................................................................0 °C to +70 °C
Storage Temperature Range ........................................................................................................................................................................ -65 °C to +125 °C
Vibration (Dual Section) ....................................................................................................................................................................................................... 8 G
Shock (Dual Section) ......................................................................................................................................................................................................... 20 G
Rotational Life ..................................................................................................................................................................................................... 25,000 cycles
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Switch Housing Material ................................................................................................................. High temperature, fl ame retardant, thermosetting plastic
Actuating Torque (Each Section, Switch Module Only) ....................................................................................................... 3.53 to 10.6 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 ...................................................................................................................................................................................................................25 °
Contact Materials ..........................................................................................................................................................................Fine silver with gold overlay
Terminal Styles .................................................................................................................................................................................................. Solder lug only
Terminal Strength (Before and After Soldering Heat Exposure) .......................................................................................................... 0.9 Kg (2 lbs.) minimum
NOTE: Model 81/82 performance specifi cations do not apply to units subjected to printed circuit board cleaning procedures.
1 At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
Initial Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
Rotary Switch Specifi cations
DPST ...............................................................................................................................................................................N.O/N.O.,N.C./N.C. or N.O./N.C.
DPDT ................................................................................................................................................................................2 N.O./N.C. (break before make)
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
Sea Level ............................................................................................................................................................................................. 1500 VAC minimum
Contact Resistance ........................................................................................................................................................................ 10 milliohms maximum
Contact Bounce ......................................................................................................................................................................... 0.1 millisecond maximum
Contact Resistance ........................................................................................................................................................................ 10 milliohms maximum
Contact Bounce ......................................................................................................................................................................... 0.1 millisecond maximum
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
Contact Resistance (0.1 VDC-10 mA) ............................................................................................................................................ 10 milliohms maximum
Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) .................................................................................... 100 megohms minimum
Standard Orientation ..............................................................................................................................................................In-line with control terminals
Optional .......................................................................................................................................................................... Rotated 90 ° CCW from standard
81/82 - 5/8 ” Square Single-Turn Panel Control
85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
(Triple Section) ...................................................................................................................................................................................................... 15 G
(Quadruple Section) ............................................................................................................................................................................................. 10 G
(Triple Section) .................................................................................................................................................................................................... 5 G
(Quadruple Section) ........................................................................................................................................................................................... 3 G
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