Bourns
Modular and Panel Mount Potentiometers
Visit BournsÕ Website at www.bourns.com
Modular Potentiometers
Model 81. Combines design versatility and advanced modular
construction with factory assembled reliability and quality
5
assurance. The net result is a consistently high quality
/8" square
panel control. Conductive plastic element. Temperature Range:
Ð55¡C to 125¡C. Temperature Coefficient: ±1000 ppm/¡C. Running
Torque: 0.2 to 1.5 oz.-in. 1000 VAC dielectric with standing voltage
@ sea level. Minimum Resistance: 2 ohms. Infinite Resolution:
Single turn.
Model 83/84. The only 10 turn precision modular control in the
industry. Wirewound element. Resistance Tolerance: ±5%.
1500 VAC dielectric withstanding voltage @ sea level. Temperature
Range: +1¡C. to +125¡C. Temperature Coefficient: ±50 ppm/¡C.
Load Life: 1000 hrs. Moisture resistant. Compatible with all Model
80 Series. Resistance value available to 100 K as special order item.
Model 91. Construction features include a one-piece molded shaft
and rotor. The one-piece rotor shaft provides virtually infinite
electrical circuit isolation. Conductive plastic element. Temperature
Range: Ð55¡C to +125¡C. Temperature Coefficient: 1000 ppm/¡C.
Load Life: 1000 hrs. 1000 VAC dielectric withstanding voltage @
sea level.
EACH
Stock
No.*
Mfr.Õs
Type
1-9 10-24
25-49915000-9-249
754-87XX
754-88XX
754-89XX
754-90XX
81A1A-B28-A(RC)
81C1A-E28-A(RC)
81A1A-B28-B(RC)
81C1A-E28-B(RC)
9.30
9.48
9.30
9.48
8.29
7.12
7.12
7.12
7.12
5.84
5.84
5.84
5.84
4.96
4.96
4.96
4.96
8.29
8.29
8.29
754-91XX
754-92XX
754-94XX
754-95XX
83A1A-B28-J(RC)
84A1A-B28-J(RC)
91A1A-B24-B(RC)
91A1A-B28-B(RC)
24.02
24.02
5.03
21.56
21.56
4.393.79 3.12
18.93
18.93
15.47
15.47
2.65
13.05
13.05
5.03
4.393.79 3.12
2.65
754-97XX
754-98XX
754-99XX
91C1A-D24-B(RC)
91A1A-B24-D(RC)
91A1A-B28-D(RC)
5.03
5.68
5.68
4.393.79 3.12
2.65
3.52
3.58
4.96
4.96
4.28
4.37
2.99
3.03
11
*Using ohm chart below, replace ÒXXÓ in Stock No. with number that corresponds with desired ohm
value.
A Ñ Plain
B Ñ Single
24 Ñ 3/
28 Ñ 7/
4
8
" L
" L
10 Ñ 1K
13 Ñ 5K
15 Ñ 10K
18 Ñ 50K
20 Ñ 100K
Ohms
1K*
XX
Ohms
XX
Ohms
XX
3
/8
" D ´ 3/
8
" L
Slotted
1
/4" D
10
13
10K
50K
15
18
100K
Ñ
20
Ñ
C Ñ Plain
E Ñ Single
24 Ñ 3/
28 Ñ 7/
4
8
" L
" L
5K
1
/4
" D ´ 1/
4
" L
Slotted
1
*81C1A-E28-B is not available in 1K.
/8" D
Model 3862
Panel Mount/Cermet Element Potentiometer
Model 3852 Panel Mount/Cermet Element Potentiometers
Power Rating: 2 watts @ +70¡C. Resistance Tolerance: ±10%. Contact Resistance: Variation ±3%.
Temperature Range: Ð65¡C to +150¡C. All are supplied with hardware. Temperature Coefficient:
±150 ppm/¡C. Model 3852A-162-. 1
282-. 7/ " shaft length; 3/
plain bushing with 1/ " dia. shaft. Model 3852C-282-. 7/
/
2
" shaft length; 3
/
8
" dia. plain bushing with 1/
" dia. shaft. Model 3852C-122-. 3/
" shaft length; 1/ " dia. plain bushing with 1/
8
4
" dia. shaft. Model 3852A-
" shaft length; 1/
" dia.
" dia. shaft.
1
3
1
/
2
" dia. body with power rating of 1 watt @ +70¡C. Model 3862C-122-.
/8
" shaft length;
/4
" plain
8
8
" dia. plain bushing with 1/
4
8
4
1
7
1
1
8
8
8
4
bushing with
/8" shaft dia. Model 3862C-282-. /8" shaft length; /4" plain bushing with / " shaft dia.
Tolerance: ±10%.
EACH
Stock
No.*
Mfr.Õs
Type
Fig.
EACH
Stock
No.*
Mfr.Õs
Type
1-9 10-24
25-491500-9-249
1-910-24
29150-4095-204-9
13.40 11.53
754-52XX
754-53XX
754-56XX
754-55XX
3852A-162-
3852A-282-
3852C-162-
3852C-282-
A
A
B
B
9.44
9.44
9.44
9.44
8.40
8.40
8.40
8.40
7.22
7.22
7.22
7.22
5.93
5.93
5.93
5.93
5.03
5.03
5.03
5.03
754-58XX
754-59XX
3862C-122-
3862C-282-
14.94
15.08
9.45
9.45
8.01
8.01
13.40 11.53
*Using ohm chart below, replace ÒXXÓ in Stock No. with number that corresponds with desired ohm
value.
*Using ohm chart below, replace ÒXXÓ in Stock No. with number that corresponds with desired ohm value.
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
1K
5K
01
03
10K
50K
04
06
100K
Ñ
07
Ñ
1K
5K
01
03
10K
50K
04
06
100K
Ñ
07
Ñ
Same Day Shipments For Product In Stock
ALLIED
c
623