51AAA-C28-A18L - Bourns - Datasheet.Directory

Features

■ RoHS compliant*

■ Conductive plastic or cermet

■ Linear and audio tapers

■ PC board and bushing mount

■ Gangable

■ Metal bushing and shaft

■ Sealed for board washing

51/53 - Sealed 1/2 ” (12.5 mm) Square Control

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁ c applications.

Electrical Characteristics1 Conductive Plastic Cermet

Standard Resistance Range

Linear ...................................................................................................1 K ohms to 1 megohm ......................... 150 ohms to 1 megohm

Audio ....................................................................................................1 K ohms to 1 megohm ......................... 1 K ohms to 1 megohm

Total Resistance Tolerance

Linear Tapers ........................................................................................±10 % or ±20 % .................................... ±10 % or ±5 %

Audio Tapers ........................................................................................±10 % or ±20 % .................................... ±10 %

Independent Linearity .................................................................................±5 % ...................................................... ±5 %

Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum

Eﬀ ective Electrical Angle ............................................................................270 ° ±5 ° .............................................. 270 ° ±5 °

Contact Resistance Variation .....................................................................2 % ........................................................ 2 %

Dielectric Withstanding Voltage (MIL-STD-202 – Method 301)

Sea Level ..............................................................................................1,500 VAC minimum .............................. 1,500 VAC minimum

70,000 ..................................................................................................500 VAC minimum ................................. 500 VAC minimum

Insulation Resistance .................................................................................1,000 megohms minimum ..................... 1,000 megohms minimum

Power Rating At 70 °C (Derate To 0 At 125 °C)

(Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)

Linear Tapers ........................................................................................0.5 watt .................................................. 1.0 watt

Audio Tapers ........................................................................................0.25 watt ................................................ 0.5 watt

Theoretical Resolution ................................................................................Essentially inﬁ nite .................................. Essentially inﬁ nite

Environmental Characteristics1

Operating Temperature Range ...................................................................+1 °C to +125 °C ................................... +1 °C to +125 °C

Storage Temperature Range ......................................................................-55 °C to +125 °C .................................. -55 °C to +125 °C

Temperature Coeﬃ cient Over Storage Temperature Range ......................±1,000 ppm/°C ...................................... ±150 ppm/°C

Vibration (Single Section) ...........................................................................15 G ....................................................... 15 G

Total Resistance Shift ...........................................................................±2 % maximum ..................................... ±2 % maximum

Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum

Shock (Single Section) ...............................................................................30 G ....................................................... 30 G

Total Resistance Shift ...........................................................................+2 % maximum ..................................... ±2 % maximum

Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum

Load Life .....................................................................................................1,000 hours ........................................... 1,000 hours

Total Resistance Shift ...........................................................................±10 % TRS maximum ........................... ±5 % TRS maximum

Rotational Life (No Load) ............................................................................50,000 cycles ........................................ 25,000 cycles

Total Resistance Shift ...........................................................................±10 % TRS maximum ........................... ±10 % TRS maximum

Contact Resistance Variation @ 25,000 Cycles ...................................±2 % ...................................................... ±4 %

Moisture Resistance (MIL-STD-202, Method 103, Condition B)

Total Resistance Shift ...........................................................................±10 % TRS ............................................ ±5 % TRS

IP Rating

Entire Unit .............................................................................................IP64 ....................................................... IP64

Shaft/Bushing.......................................................................................IP65 ....................................................... IP65

Mechanical Characteristics

Stop Strength ............................................................................................................................................................................................... 56 N-cm (5 lb.-in.)

Mechanical Angle ...................................................................................................................................................................................................... 290 ° ±5 °

Torque

Starting (Dual Sections) .............................................................................................................................................. +0.35 N-cm (+0.5 oz.-in.) maximum

Running (Single Section) ............................................................................................................................................. 0.15 to 1.4 N-cm (0.2 to 2.0 oz.-in.)

Running (Dual Section) ................................................................................................................................................0.35 to 1.8 N-cm (0.5 to 2.5 oz.-in.)

Detent (Single Section) ...................................................................................................................................................1.94 N-cm (2.75 oz.-in.) minimum

Mounting (Torque on Bushing) .......................................................................................................................... 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum

Weight (Single Section).............................................................................................................................................................................................. 5.5 grams

(Additional Section) ............................................................................................................................................................................................. 3.0 grams

Terminals ................................................................................................................................................................................................... PC pin or solder lug

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 ﬂ ux.

Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean ﬂ ux.

Marking .................................................................................................................. Manufacturer’s trademark, part number, resistance value and date code.

Ganging (Multiple Section Potentiometer) ............................................................................................................................................ 2 sections maximum**

Hardware ...........................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.

1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

** Additional sections available on special request with higher minimum order quantities.

*RoHS COMPLIANT

321

(SINGLE AND DUAL MODULE SHOWN)

PACKAGE DIMENSIONS PCB MOUNTING BRACKET

PACKAGE DIMENSIONS

MODEL 51

SOLDER LUG TERMINALS

MODEL 53

ELECTRICAL SCHEMATIC

13CW

CCW

ANTI-ROTATION LUG

(Style "A" Shown)

0.41

(.016)

FOR TOLERANCES SHOWN: .XX = ± (.010)

.XXX = ±

(.005)

SHAFT DIMENSIONS ±

(1/32)

5.70

(.224)

SHAFT FLAT

ORIENTATION

SUGGESTED PANEL LAYOUT

16.51 ± 0.25

(.650 ± .010)

8.89 ± 0.18

(.350 ± .007)

.64

( .025)

"L"

0.30

(.0118)

5.08 ± 0.30

(.200 ± .012)

7.62 ± 0.30

(.300 ± .012)

12.5

(.492)

11.00

(.432) DIA.

0.74

(.029)

6.25

(.246)

7.00

(.275)

6.60 ±0.38

(.260 ± .015)

.66 ± .05

(.026 ± .002)

3 X

2.54

(.100)

2.54

(.100)

.64

( .025)

"L"

5.08 ± 0.30

(.200 ± .012)

0.91 ± .051

(.036 ± .002)

6.35 ± .25

(.250 ± .010)

7.62 ± 0.30

(.300 ± .012)

1.32 ± 0.25

(.052 ± .010)

12.5

(.492)

11.00

(.432) DIA.

0.74

(.029)

6.25

(.246)

7.00

(.275)

.41 ± .05

( .016 ± .002)

2 X

5.08

(.200)

2.54

(.100)

5.08

(.200)

2.40

(.094)

0.90

(.036)

4.70

(.185)

2 X

1.80

(.071)

5.0 ± 0.51

(.197 ± .020)

0.80 ± 0.30

(.031 ± .012) 1.52

(.060)

.25

.13

.80

(.100) TERMINAL SPACING

2.54

6.60 ±0.38

(.260 ± .015)

(DOUBLE MODULE FRONT AND REAR BRACKET SHOWN)

1.32

(.052)

FMS

LOF POT

2.54

(.100)

TYP.

1.27

(.050)

DIA.

4 PLCS.

1.02

(.040)

DIA.

6 PLCS.

6.35

(.250)

7.62

(.300) 5.08

(.200)

132 ° ± 5 °

CCW END BUSHING DIAMETER

TOLERANCE

+0.25

( +.010)

DIA.

2.26

(.089)

6.20

(.244)

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁ c applications.

51/53 - Sealed 1/2 ” (12.5 mm) Square Control

Product Dimensions

DIMENSIONS: MM

(INCHES)

OPT.

3/8-32UNEF-2A

1/4-32UNEF-2A

3/8-32UNEF-2A

M6 X .075-6g

M7 X .075-6g

M10 X 0.75-6g

9.53

(.375) 1.60 ± 0.25

(.063 ± .010)

OPT.

1.194 ± 0.10

(.047 ± .004)

SHAFT

6.35

(.250) BUSHING

9.53

(.375)

OPT.

6.35

(.250) 0.79 ± 0.25

(.031 ± .010)

OPT.

0.79 ± 0.10

(.031 ± .004)

SHAFT

3.18

(.125) BUSHING

6.35

(.250)

OPT.

9.53

(.375) 1.52 ± 0.25

(.060 ± .010)

OPT.

5.49 ± 0.10

(.216 ± .005)

SHAFT

6.35

(.250) BUSHING

9.53

(.375)

MAX. FLAT LENGTH 15.88

(.625)

8.0

(.315) 1.52 ± 0.25

(.060 ± .010)

0.79 ± 0.10

(.031 ± .004)

SHAFT

3.0

(.118) BUSHING

6.0

(2.36)

8.0

(.315) 1.52 ± 0.25

(.060 ± .010)

0.79 ± 0.10

(.031 ± .004)

SHAFT

4.0

(.157) BUSHING

7.0

(2.75)

9.5

(.374) 1.80 ± 0.25

(.071 ± .010)

1.00 ± 0.10

(.039 ± .004)

SHAFT

6.0

(.236) BUSHING

10.0

(.394)

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁ c applications.

51/53 - Sealed 1/2 ” (12.5 mm) Square Control

Shaft/Bushing Styles

STD. LENGTH ‘L’

.500 (12.7)

.625 (15.88)

.750 (19.05)

.875 (22.23)

1.000 (25.4)

A Style Bushing

STD. LENGTH ‘L’

.375 (9.53)

.500 (12.7)

.625 (15.88)

.750 (19.05)

.875 (22.23)

1.000 (25.4)

C Style Bushing

STD. LENGTH ‘L’

.625 (15.88)

.750 (19.05)

.875 (22.23)

1.000 (25.4)

A Style Bushing -

Flatted Shaft

STD. LENGTH ‘L’

.630 (16.0)

.866 (22.0)

.984 (25.0)

S Style Bushing

STD. LENGTH ‘L’

.630 (16.0)

.866 (22.0)

.984 (25.0)

U Style Bushing

STD. LENGTH ‘L’

.630 (16.0)

.866 (22.0)

.984 (25.0)

R Style Bushing

DIMENSIONS: MM

(INCHES)

How To Order

51 A A D - B 28 - A 15

Part number for multiple

section potentiometers

must have a taper

and resistance value

for each section.

SHAFT AVAILABLE

LENGTH ONLY IN

(FMS) BUSHING

Code Description Code

12 3/8 ” C

16 1/2 ” A, C

20 5/8 ” A, C

24 3/4 ” A, C

28 7/8 ” A, C

32 1 ” A, C

Metric

16 16 mm R, S, U

22 22 mm R, S, U

25 25 mm R, S, U

ELEMENT TAPER RESISTANCE

TYPE/TOLERANCE (CODE)

Code Description VALUE IN OHMS

(A) Linear Cermet ±10 % (28) — 150 (14) — 7.5 K

(H) Linear Cermet ±5 % (06) — 200 (15) — 10 K

(07) — 250 (30) — 15 K

(08) — 500 (16) — 20 K

(09) — 750 (17) — 25 K

(10) — 1 K (18) — 50 K

(29) — 1.5 K (19) — 75 K

(11) — 2 K (20) — 100 K

(12) — 2.5 K (23) — 500 K

(13) — 5 K (25) — 1 M

(B) Linear C-P ±20 % (10) — 1 K (18) — 50 K

(E) Linear C-P ±10 % (12) — 2.5 K (20) — 100 K

(13) — 5 K (22) — 250 K

(15) — 10 K (23) — 500 K

(16) — 20 K (25) — 1 M

(17) — 25 K

±10 % (12) — 2.5 K (20) — 100 K

(F) CCW Audio Cermet (13) — 5 K (23) — 500 K

±10 % (15) — 10 K (25) — 1 M

(17) — 25 K

(D) CW Audio C-P ±20 % (10) — 1 K (18) — 50 K

(S) CW Audio C-P ±10 % (12) — 2.5 K (20) — 100 K

(13) — 5 K (22) — 250 K

(15) — 10 K (23) — 500 K

(17) — 25 K (25) — 1 M

(G) CCW Audio C-P (10) — 1 K (18) — 50 K

±20 % (12) — 2.5 K (20) — 100 K

(T) CCW Audio C-P (13) — 5 K (22) — 250 K

±10 % (15) — 10 K (23) — 500 K

(17) — 25 K (25) — 1 M

(Y) CW Dual Audio (10) — 1 K (18) — 50 K

Taper C-P ±20 % (12) — 2.5 K (20) — 100 K

(13) — 5 K (22) — 250 K

(15) — 10 K (23) — 500 K

(17) — 25 K (25) — 1 M

MODEL

Code

Description

PC Pins (.100 ” centers)

Solder Lugs

BUSHING CONFIGURATION

Code

Description

3/8 ” D x 3/8 ” L

1/4 ” D x 1/4 ” L

10 mm D x 9.5 mm L

6 mm D x 8 mm L

7 mm D x 8 mm L

MOUNTING BRACKET/

ANTI-ROTATION LUG

Code

Description

AR Lug 90 °CW

No AR Lug or Bracket

Front Bracket

Rear Bracket

Front and Rear Bracket

# SECTIONS/DETENTS

Code

Description

Single No Detent

Double No Detent

Single w/Center Detent

Double w/Center Detent

Boldface features are Bourns standard options. All others are available with higher

minimum order quantities.

AVAILABLE ONLY IN

SHAFT TYPE BUSHINGS LENGTHS

Code Description Code Description

B Single Slotted 1/4 ”D A 24,28

C Single Flatted 1/4 ”D A 20,24,28,32

E Single Slotted 1/8 ”D C 12,16,20,24,28

R Single Slotted 6 mmD R 16,22,25

T Single Slotted 4 mmD U 16,22,25

U Single Slotted 3 mmD S 16,22,25

/ A15 L

RoHS IDENTIFIER

CompliantL

REV. 12/14

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

Bourns:

53CAD-E12-A10 53RAA-R16-D18 53CAD-E12-A13 53CAD-E12-A15 51RAD-R22-B18 51RAD-R22-B16 51RAD-

R22-B12 51RAD-R22-B10 51RAD-R22-B15 51RAD-R22-B13 53AEA-B28-A20 51RAD-R22-B25 51RAD-R22-B22

53AEA-C28-A20 51RAD-R22-B20 53RAA-R25-B15 51RAA-R25-D20 53AEA-B28-A16 53AEA-C28-A16 53AEA-

C28-A11 53AEA-B28-A15 53AEA-C28-A13 53AEA-B28-A13 53AEA-B28-A10 53AEA-C28-A15 53AEA-B28-A11

53AEA-C28-A10 53AEA-B28-A18 53AEA-C28-A18 51AAN-B16-B15 53CAD-D14-E25 53CAD-E28-D15 51RAD-

R25-D15 51UAD-T25-B15 51SAN-U13-A15 51AAN-B28-B18 51SAN-U16-A10 51AAA-B24-A20 51AAA-C24-A20

53CAD-D20-D10 53CAD-D20-D13 51CAD-E28-D15 53CAD-E20-D15 51SAN-U16-A15 53UAD-T13-S15 51AAD-

B28-D13 51CAD-E20-D15 51AAD-C28-D13 51AAD-B28-D15 51CAD-D20-D15 51CED-E28-C15 53AAD-C28-A22

51CAL-E20-C15 51FAD-E28-A13 53CAA-D20-E17 53AAA-C28-E13 51AFD-B24-E15 51AAL-C20-A13 51CAN-E28-

A18 51AAD-B24-B15 51AAL-C20-A15 51CAN-E28-A13 51CAN-E28-A15 51AAD-B24-B18 51CAN-D28-A15

51AAL-C20-A10 51CAL-E28-A10 53UAD-T22-B20 53UAD-T22-B22 51AAN-B24-A15 53UAD-T22-A15 51AAD-C20-

H15 53UAD-T22-A13 51AAN-B28-T13 51CAN-E20-T17 53CAD-E16-B20 53AAC-B24-A20 51UAD-T22-A20

53UAD-T16-A15 53CAD-E20-B20 51CAN-D20-D13 51CAN-D20-D15 51AAN-B28-D15 51CAN-D20-D10 51CAN-

D20-D17 51SAD-U25-A18 51SAD-U25-A13 51SAD-U25-A10 51SAD-U25-A15 51UAD-T16-G18 51AEA-B28-B20

51AEA-C28-B18 51AEA-B28-B16 51AEA-B28-B10 51AEA-B28-B18 51AEA-C28-B20 51AEA-C28-B10 51AEA-B28-

B13 51AEA-B28-B11 51AEA-C28-B13