81C1A-E28-A20L Bourns Inc., 81C1A-E28-A20L Datasheet - Page 6

• 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

How To Order
81
82
85
86
G
M
A
B
C
E
F
K
L
N
P
R
T
V
81/82 - 5/8 ” Square Single-Turn Panel Control
85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
Single-Turn, PC Pins
Single-Turn, J-Hooks
Single-Turn, Pot/Rotary Switch, PC Pins
Single-Turn, Pot/Rotary Switch, J-Hooks
R
A
B
C
N
S
U
SHAFT TYPE
Single Plain 1/4 ” (6.35 mm) D
Single Slotted 1/4 ” (6.35 mm) D
Single Flatted 1/4 ” (6.35 mm) D
Single Slotted 1/8 ” (3.18 mm) D
Single Flatted 1/8 ” (3.18 mm) D
Dual Concentric Plain 1/4 ” (6.35 mm) D - 1/8 ” (3.18 mm) D
Outer Operates Section 1
Dual Concentric Plain 1/8 ” (3.18 mm) D - 5/64 ” (1.98 mm) D
Outer Operates Section 1
Dual Concentric Plain 1/4 ” (6.35 mm) D - 1/8 ” (3.18 mm) D
Outer Operates Section 1/2
Dual Concentric Plain 1/8 ” (3.18 mm) D - 5/64 ” (1.98 mm) D
Outer Operates Section 1
Dual Concentric Plain 1/4 ” (6.35 mm) D - 1/8 ” (3.18 mm) D
Outer Operates Section 1/2/3
Dual Concentric Plain 1/8 ” (3.18 mm) D - 5/64 ” (1.98 mm) D
Outer Operates Section 1/2
Single Slotted 6 mm D
Single Slotted 4 mm D
Dual Concentric Plain 6 mm D - 3 mm D
Outer Operates Section 1
E
J
# SECTIONS
1
2
3
4
Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
Locking 3/8 ” (9.53 mm) D x 1/2 ” (12.7 mm) L
Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
Locking 1/4 ” (6.35 mm) D x 1/2 ” (12.7 mm) L
Plain 3/8 ” (9.53 mm) D x 1/4 ” (6.35 mm) L
Plain 1/4 ” (6.35 mm) D x 3/8 ” (9.53 mm) L
Plain 10 mm D x 9 mm L
Locking 10 mm D x 12.5 mm L
Plain 7 mm D x 6 mm L
Single
Double
Triple
Quad
MODEL
A
B
C
D
K
E
F
J
8 1
8 5
BUSHING
APPLICABLE MODELS
81,82
81,82,85,86
81,82,85,86
81,82,85,86
Single .305 R, 90 °CW
Double .305 R, 90 ° & 270 °CW
Single .305 R, 270 °CW
No Lug
Single .531 R, 90 °CW
Single .305 R, 180 °CW
Single .375 R, 90 °CW
Double .375 R, 90 ° & 270 °CW
ANTI-ROTATION LUG
A
A
2
2
A
A
-
-
B
B
Code
12
16
20
24
28
32
36
40
10
13
16
19
22
30
42
50
2 8
2 8
LENGTHS
(CODE)
16,20,24,28
16,20,24,28
20,24,28
12,16,20,24,28
24
36,40
32,36
36,40
32,36
36,40
32,36
16,19,22,50
10, 13, 22
30, 42
LENGTH
AVAILABLE ONLY IN
(FMS)
SHAFT
Description
3/8 ” L
1/2 ” L
5/8 ” L
3/4 ” L
7/8 ” L
1 ” L
1-1/8 ” L
1-1/4 ” L
10 mmL
13 mmL
16 mmL
19 mmL
22 mmL
30 mmL
42 mmL
50 mmL
-
-
Metric
A
A
BUSHINGS
(CODE)
A, B, J
A, B, J
A, B, J
C, E, N
C, N
A, J
C, N
A, J
C, N
A, J
C, N
R, S
U
R
C, N, J
A, C, J, N
A, B, C, E, J, N
A, B, C, E, J, N
A, B, C, E, J, N
A, B, C, E, J, N
A, B, C, E, J, N
A, B, C, E, J, N
U
U
R, S
R, S
R, S, U
R, S
R, S
R, S
AVAILABLE
1 5
1 5
BUSHING
ONLY IN
Code
/
/
Customers should verify actual device performance in their specifi c applications
Boldface features are Bourns standard options.
All others are available with higher minimum order
quantities.
A15
R51
(B)
(D)
(A)
(H)
(E)
(C)
(F)
(G)
(S)
(T)
TYPE/TOLERANCE
ELEMENT TAPER
Linear Cermet ±10 %
Linear Cermet ±5 %
Linear C-P ±20 %
Linear C-P ±10 %
CW Audio Cermet ±10 %
CW Audio C-P ±20 %
CCW Audio Cermet ±10 % (13) - 5 K
CCW Audio C-P ±20 %
CW Audio C-P ±10 %
CCW Audio C-P ± 10 %
L
L
Models 81 & 82: Part number for multiple section
potentiometers must have a taper and resistance value for
each section.
Models 85 & 86: Part number must contain a switch type.
(R50) DPST N.O./N.C. CW Detent In-Line Term
(R51) DPST N.O./N.C. CCW Detent In-Line Term
(R52) DPST N.O./N.O. CW Detent In-Line Term
(R53) DPST N.O./N.O. CCW Detent In-Line Term
(R54) DPST N.C./N.C. CW Detent In-Line Term
(R55) DPST N.C./N.C. CCW Detent In-Line Term
(R56) DPST N.O./N.C. CW Detent Horz Term
(R57) DPST N.O./N.C. CCW Detent Horz Term
(R58) DPST N.O./N.O. CW Detent Horz Term
(R59) DPST N.O./N.O. CCW Detent Horz Term
(R60) DPST N.C./N.C. CW Detent Horz Term
(R61) DPST N.C./N.C. CCW Detent Horz Term
(R70) DPDT CW Detent In-Line Term
(R71) DPDT CCW Detent In-Line Term
(R72) DPDT CW Detent Horz Term
(R73) DPDT CCW Detent Horz Term
SWITCH TYPE (MODELS 85 & 86 ONLY)
Specifi cations are subject to change without notice.
(05) - 100
(28) - 150
(06) - 200
(07) - 250
(08) - 500
(09) - 750
(10) - 1 K
(29) - 1.5 K (21) - 200 K
(11) - 2 K
(12) - 2.5 K (23) - 500 K
(13) - 5 K
(14) - 7.5 K (25) - 1 M
(15) - 10 K
(10) - 1 K
(12) - 2.5 K (20) - 100 K
(13) - 5 K
(15) - 10 K
(16) - 20 K
(17) - 25 K
(10) - 1 K
(12) - 2.5 K (20) - 100 K
(15) - 10 K
(17) - 25 K
RESISTANCE CODE
VALUE IN OHMS
Blank
RoHS IDENTIFIER
L
(30) - 15 K
(16) - 20 K
(17) - 25 K
(18) - 50 K
(19) - 75 K
(20) - 100 K
(31) - 150 K
(22) - 250 K
(24) - 750 K
(18) - 50 K
(22) - 250 K
(23) - 500 K
(25) - 1 M
(18) - 50 K
(22) - 250 K
(23) - 500 K
(25) - 1 M
Compliant
Non-Compliant
REV. 02/25/11