54CAA-B28-B20/P50L [BOURNS]
Panel Control w/Push-Pull Switch;
| 型号： | 54CAA-B28-B20/P50L |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Panel Control w/Push-Pull Switch |
| 文件： | 总4页 (文件大小：356K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
Applications
■ RoHS compliant*
■ Push-pull switch
■ Test and measurement equipment
■ Communications equipment
■ Medical diagnostic equipment
■ Professional audio equipment
■ Linear and audio tapers
■ PC board and bushing mount
■ Splash seal
■ Metal bushing and shaft
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch
1
Electrical Characteristics
Standard Resistance Range
Linear........................................................................................................................................................................................1K to 500K ohms
Audio ........................................................................................................................................................................................1K to 500K ohms
Total Resistance Tolerance
B & D Tapers.............................................................................................................................................................................................. ±±0 ꢀ
E & S Tapers.............................................................................................................................................................................................. ±10 ꢀ
Independent Linearity........................................................................................................................................................................................ ±5 ꢀ
Absolute Minimum Resistance...................................................................................................................................................... ± ohms maximum
Effective Electrical Angle .............................................................................................................................................................................. ±70 ° ±5
Contact Resistance Variation ............................................................................................................................................................................ ±± ꢀ
Dielectric Withstanding Voltage (MIL-STD-±0± – Method 301)
Sea Level.............................................................................................................................................................................1,500 VAC minimum
70,000.....................................................................................................................................................................................500 VAC minimum
Insulation Resistance ....................................................................................................................................................... 1,000 megohms minimum
Power Rating At 70 °C (Derate To 0 At 1±5 °C)
(Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
Linear Tapers...........................................................................................................................................................................................0.5 watt
Audio Tapers..........................................................................................................................................................................................0.±5 watt
Theoretical Resolution...................................................................................................................................................................Essentially infinite
1
Environmental Characteristics
Operating Temperature Range....................................................................................................................................................... +1 °C to +1±5 °C
Storage Temperature Range ......................................................................................................................................................... -55 °C to +1±5 °C
Temperature Coefficient Over Storage Temperature Range ..............................................................................................................±1,000 ppmꢁ°C
Vibration ...............................................................................................................................................................................................................8 G
Total Resistance Shift..................................................................................................................................................................±± ꢀ maximum
Voltage Ratio Shift.......................................................................................................................................................................±5 ꢀ maximum
Shock..................................................................................................................................................................................................................±0 G
Total Resistance Shift..................................................................................................................................................................+± ꢀ maximum
Voltage Ratio Shift.......................................................................................................................................................................±5 ꢀ maximum
Load Life..................................................................................................................................................................................................1,000 hours
Total Resistance Shift........................................................................................................................................................±10 ꢀ TRS maximum
Rotational Life (No Load)......................................................................................................................................................................50,000 cycles
Total Resistance Shift........................................................................................................................................................±10 ꢀ TRS maximum
Contact Resistance Variation....................................................................................................................................................................... ±± ꢀ
Moisture Resistance (MIL-STD-±0±, Method 103, Condition B)
B & E ................................................................................................................................................................................................. ±10 ꢀ TRS
D & S ................................................................................................................................................................................................. ±±0 ꢀ TRS
IP Rating
Entire Unit..................................................................................................................................................................................................... IP64
ShaftꢁBushing ............................................................................................................................................................................................... IP65
Mechanical Characteristics
Stop Strength........................................................................................................................................................................... 39.5 N-cm (3.5 lb.-in.)
Mechanical Angle ....................................................................................................................................................................................... ±90 ° ±5 °
Torque
StartingꢁRunning .......................................................................................................................................... 0.± to 1.3 N-cm (0.±5 to ±.0 oz.-in.)
Mounting (Torque on Bushing) ............................................................................................................................1.7 to ±.0 N-m (15 to 18 lb.-in.)
Weight .........................................................................................................................................................................................................10 grams
Terminals.................................................................................................................................................................................... PC pin or solder lug
Soldering Condition .....................................................Recommended hand soldering using Sn95ꢁAg5 no clean solder, 0.0±5 ” wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Part can be wave soldered at ±60 °C (500 °F) for 5 seconds, no wash process with no clean flux.
Marking....................................................................................................Manufacturer’s trademark, part number, resistance value and date code.
Ganging (Multiple Section Potentiometers)...................................................................... Inquire for availability, minimum order quantity and price.
Hardware............................................................................................. One lockwasher and one mounting nut is shipped with each potentiometer.
1
At room ambient: +±5 °C nominal and 50 ꢀ relative humidity nominal, except as noted.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch
Initial Electrical Characteristics - Switch
Switch Type .....................................................................................................................................................................DPDT (Break before make)
Power Rating (Resistive Load).......................................................................................................................................................0.25 A @ 30 VDC
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level..................................................................................................................................................................................1000 VAC minimum
Insulation Resistance .........................................................................................................................................................1500 megohms minimum
Contact Resistance ..............................................................................................................................................................100 milliohms maximum
Actuating Stroke.............................................................................................................................................................0.41 cm (0.16 in.) maximum
1
Environmental Characteristics
Vibration ................................................................................................................................................................................................................8 G
Contact Resistance............................................................................................................................................................100 milliohms maximum
Contact Bounce ............................................................................................................................................................. 0.1 milliseconds maximum
Shock...................................................................................................................................................................................................................20 G
Contact Resistance............................................................................................................................................................100 milliohms maximum
Contact Bounce ............................................................................................................................................................. 0.1 milliseconds maximum
Switch Life @ Rated Power............................................................................................................................................................15,000 actuations
Switch Actuating Force .....................................................................................................................................................0.45 kg (1.0 lb) minimum
Contact Resistance............................................................................................................................................................100 milliohms maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Contact Resistance............................................................................................................................................................100 milliohms maximum
Insulation Resistance (After 24 Hours @ Room Temperature - 500 VDC)........................................................................100 megohms minimum
1
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Switch Configurations (Shown in Pulled Position)
A
A
A
D
B
E
B
E
B
E
C
D
PULLED
PUSHED
F
F
DPST NC/NO
DPDT
DPST NC/NC
B
E
A
C
C
F
B
B
C
DPST NO/NO
SPST NO
SPDT
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch
Product Dimensions
MOUNTING SURFACE
B
24.13 0.53
(SEE SHAFT/
(.950 .021)
BUSHING STYLES)
8.89 0.17
(.350 .007)
PRIMARY UNIT
L
(SEE SHAFT/
BUSHING STYLES)
12.5
(.492)
0.76
(.030)
MOUNTING
SURFACE
9 PLCS.
15.24 0.25
(.600 .010)
SWITCH MODULE
6.25
2.54
(.100)
(.246)
6.99
(.275)
2.54
(.100)
5.08
(.200)
5.08
3.3 - 4.7
(.130 - .185)
SWITCH ACTUATION
TRAVEL
3 PLCS.
5.08
(.200)
11.9
6.35 0.25
(.250 .010)
2.54
(.100)
0.66 0.05
0.64 0.05
(.025 .002)
5.08 0.3
(.200 .012)
(.026 .002)
6 PLCS.
0.3
(.012)
(.200)
(.469)
2.54
(.100)
5.08 0.3
(.200 .012)
SUGGESTED PCB LAYOUT
5.08 0.3
(.200 .012)
SHAFT FLAT SHOWN AT 50 % OF MECHANICAL TRAVEL.
11.9 0.3
(.469 .012)
PACKAGE DIMENSIONS WITH FRONT AND REAR PCB MOUNTING BRACKET
1.02
4 PLCS.
(.040)
MOUNTING
SURFACE
0.76
9 PLCS.
(.030)
5.08
(.200)
2.54
(.100)
2 PLCS.
2 PLCS.
0.91 0.05
6.35 0.25
(.250 .010)
5.08
(.200)
0.41 0.05
2 PLCS.
2.54
(.100)
5.08
(.200)
(.036 .002)
5.08
(.200)
(.016 .002)
1.32 0.25
(.052 .010)
0.3
0.64 0.05
(.025 .002)
5.08 0.3
6 PLCS.
2.54
(.100)
1.32
(.052)
(.012)
TERMINAL
SPACING
2 PLCS.
(.200 .012)
5.08
(.200)
5.08
(.200)
5.08
(.200)
11.9
5.08 0.3
(.200 .012)
5.08 0.3
(.200 .012)
11.9 0.3
(.469 .012)
(.469)
28.37
(1.117)
MM
(INCHES)
DIMENSIONS:
SUGGESTED PCB LAYOUT
Electrical Schematic
Anti-Rotation Lug
Terminal Layout
CW
CCW
3
1
(Style "A", 90° CW Shown)
5.70
(.224)
0.41
(.016)
2
0.80 0.30
(.031 .012)
1.52
(.060)
Suggested Panel Layouts
2
1
6.20
(.244)
6.35
(.250)
3
A
B
C
D
E
F
2.77
(.109)
2.20
(.087)
BUSHING DIAMETER
BUSHING DIAMETER
.25
(.010)
.13
(.005)
FOR TOLERANCES SHOWN: .XX =
.XXX =
0.80
( .031)
0.80
( .031)
.80
(1/32)
SHAFT DIMENSIONS
The Model 54 can be used with either
of the two panel layouts shown below.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch
Shaft/Bushing Styles
How To Order
54
9.53
A
A
D
-
C
28
-
B
15
/
P50
L
(.375)
1.60 0.25
OPT.
(.063 .010)
1.194 0.10
(.047 .004)
OPT.
3/8-32UNEF-2A
9.53
(.375)
6.35
(.250)
RoHS IDENTIFIER
Code Description
ANTI-ROTATION LUG /
BRACKET OPTION
SHAFT
BUSHING
L
Compliant
Code Description
A Style Bushing
STD. LENGTH ‘L’
A
D
L
AR Lug 90 ° CW
No AR Lug or Bracket
Front Bracket
SWITCH OPTION
Code Description
P50 DPDT
.750
(19.05)
N
Front and Rear Bracket
.875
(22.23)
NO. OF SECTIONS
Code Description
Single plus Switch
RESISTANCE CODES
Code Value in Ohms
10 1K
13 5K
15 10K
A
6.35
(.250)
0.79 0.25
(.031 .010)
OPT.
BUSHING DESIGNATOR
Code Description
18 50K
20 100K
0.79 0.10
(.031 .004)
OPT.
A
C
3/8 ” D x 3/8 ” L Threaded
1/4 ” D x 1/4 ” L Threaded
22 250K
23 500K
1/4-32UNEF-2A
6.35
3.18
(.125)
SHAFT
BUSHING
(.250)
ELEMENT TAPER
TYPE/TOLERANCE
Code Description
MODEL
Code Description
54 PC Terminals w/Push-Pull
Switch
C Style Bushing
STD. LENGTH ‘L’
.750
(19.05)
B
E
D
S
Linear CP 20 ꢀ
Linear CP 10 ꢀ
CW Audio CP 20 ꢀ
CW Audio CP 10 ꢀ
.875
(22.23)
15.88
(.625)
9.53
(.375)
MAX. FLAT LENGTH
SHAFT LENGTH DESIGNATOR
Code Description
24 3/4 ” FMS Long
28 7/8 ” FMS Long
1.52 0.25
OPT.
(.060 .010)
5.49 0.10
(.216 .005)
OPT.
AVAILABLE ONLY WITH
3/8-32UNEF-2A
SHAFT STYLE
Code Description
BUSHING
Code
6.35
(.250)
9.53
(.375)
SHAFT
BUSHING
Boldface features are Bourns
standard options. All others are
available with higher minimum
order quantities.
B
C
E
1/4 ” D Slotted End
1/4 ” D Flatted End
1/8 ” D Slotted End
A
A
C
A Style Bushing -
Flatted Shaft
STD. LENGTH ‘L’
.750
(19.05)
.875
(22.23)
MM
(INCHES)
DIMENSIONS:
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 03/12
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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