51AAA-B28-A18L Bourns Inc., 51AAA-B28-A18L Datasheet - Page 2
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51AAA-B28-A18L
Manufacturer Part Number
51AAA-B28-A18L
Description
Panel Mount Potentiometers 1/2 50K 10% Linear Cermet
Manufacturer
Bourns Inc.
Series
51r
Datasheet
1.51CAD-E24-A15L.pdf
(3 pages)
Specifications of 51AAA-B28-A18L
Resistance
50 KOhms
Tolerance
10 %
Power Rating
1 Watt
Termination Style
Pin
Taper
Linear
Number Of Turns
1
Element Type
Cermet
Shaft Type
Slotted
Shaft Length
7/8 in
Shaft Diameter
1/4 in
Operating Temperature Range
+ 1 C to + 125 C
Dimensions
0.492 in W x 0.492 in L x 0.35 in H
Product
Panel Mount Potentiometers
Temperature Coefficient
+/- 150 PPM / C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
(.036 ± .002)
0.91 ± .051
PACKAGE DIMENSIONS
PACKAGE DIMENSIONS PCB MOUNTING BRACKET
ANTI-ROTATION LUG
(Style "A", 90 CW Shown)
(.250 ± .010)
Product Dimensions
6.35 ± .25
(.300 ± .012)
51/53 - Sealed 1/2 ” (12.5 mm) Square Control
7.62 ± 0.30
(SINGLE, DUAL AND TRIPLE MODULE SHOWN)
AVAILABLE IN 1 THROUGH 6 MODULE VERSIONS.
AVAILABLE IN 1 THROUGH 6 MODULE VERSIONS.
DIMENSIONS:
(.950 ± .021)
(.950 ± .013)
24.15 ± 0.33
24.13 ± 0.33
(.650 ± .010)
16.51 ± 0.25
(.0118)
(.300 ± .012)
0.30
7.62 ± 0.30
(.031 ± .012)
0.80 ± 0.30
(INCHES)
(.300 ± .012)
7.62 ± 0.30
(.300 ± .012)
7.62 ± 0.30
MM
(.350 ± .007)
8.89 ± 0.18
(.200 ± .012)
5.08 ± 0.30
(.052 ± .010)
1.32 ± 0.25
"L"
"L"
(.200 ± .012)
5.08 ± 0.30
( .025)
( .025)
.64
.64
(.060)
(.016)
1.52
0.41
(.224)
5.70
2 X
( .016 ± .002)
3 X
(.432)
.41 ± .05
11.00
(.432)
11.00
2 X
(.026 ± .002)
(.029)
0.74
(.029)
.66 ± .05
0.74
(.200)
(.100)
DIA.
5.08
2.54
SHAFT FLAT
ORIENTATION
DIA.
( .100)
2.54
MODEL 51
TERMINAL SPACING
(.492)
(.492)
12.5
12.5
132 ° ± 5 ° CCW END
(.100)
2.54
(.100)
2.54
(.200)
5.08
(.246)
(.260 ± .015)
(.260 ± .015)
(.246)
6.25
6.60 ±0.38
6.60 ±0.38
6.25
(.275)
(.275)
7.00
7.00
Customers should verify actual device performance in their specifi c applications.
SUGGESTED PANEL LAYOUTS
The Model 50 can be used with either
of the two panel layouts shown below.
(DOUBLE MODULE FRONT AND REAR BRACKET SHOWN)
(.094)
(.100)
2.40
(.036)
TYP.
2.54
0.90
CCW
BUSHING DIAMETER
FOR TOLERANCES SHOWN: .XX = ±
SOLDER LUG TERMINALS
ELECTRICAL SCHEMATIC
(.050)
4 PLCS.
1.27
DIA.
1
( .031)
(.250)
0.80
6.35
(.244)
6.20
3
(.087)
2.20
Specifi cations are subject to change without notice.
SHAFT DIMENSIONS ±
MODEL 53
(.300)
2
6 PLCS.
(.040)
7.62
1.02
DIA.
1
2 X
(.185)
2
4.70
BUSHING DIAMETER
(.071)
1.80
.XXX = ±
( .031)
0.80
(.250)
(.010)
(.005)
(1/32)
6.35
.25
.13
.80
(.109)
2.77
3
(.197 ± .002)
5.0 ± 0.51
(.200)
(.052)
CW
5.08
1.32
FMS
C L OF POT