3048L-2-503 [BOURNS]
Linear Motion Potentiometer; 直线运动电位器
| 型号： | 3048L-2-503 |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Linear Motion Potentiometer |
| 文件： | 总1页 (文件大小：73K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
■ Compact
■ Shaft options available
■ Flexible wire leads
■ Economical
■ Lightweight
■ Long life
■ Infinite resolution
■ Free shaft rotation
■ AC or DC
■ RoHS compliant*
3048 Linear Motion Potentiometer
†
Product Dimensions
Specifications
Standard Electrical Travel
...............................0.2, 0.3, 0.4, 0.5 in.
(5.08, 7.62, 10.16, 12.70 mm)
13.5
(.53)
11.18 0.38
(.44 .015)
9.14
(.36)
25.4
(1.00)
Standard Resistances
4.6 0.25
(.18 .010)
2 PLCS.
............1K ohms to 50K ohms ( 20 %)
Independent Linearity.................... 5 %
Resolution.....................................Infinite
Power Rating @ 70 °C (158 °F)
#2-56 UNC-2A
THREADED SHAFT
(STANDARD).
SHAFT SHOWN IN
RETRACTED
POSITION
2.67 0.25
(.11 .010)
Range 2, 3..............................0.12 watt
Range 4, 5..............................0.25 watt
Operating Temperature Range
.................................-55 °C to +125 °C
Temperature Coefficient ....1000 PPM/°C
Insulation Resistance..........50 megohms
@ 500 VDC
Backlash..................................Negligible
Shaft Actuating Force .............4 oz. max.
@ 70 °F
3.18 0.38
(.125 .015)
2.34
(.092)
DIA.
2 MOUNTING HOLES
5.60 7.60
(.220) (.299)
FULL THREAD
#2 SCREW CLEARANCE
56.39
(2.22)
2.13 + 0.02/ – 0.50
(.084 + .001/ – .020)
DIA.
1.52
(.060)
MAXIMUM FILLET
Life...................................500,000 cycles
Shock.............................50 G for 7 msec
Vibration ..........................20 G, 10-2 kHz
Marking .........Manufacturer’s trademark,
resistance code, wiring diagram,
date code, manufacturer’s model
number and style
31.75
(1.250)
CHAMFER:
0.25
6.99 0.25
(.275 .010)
45° X
(0.10)
3 ELECTRICALLY INSULATED LEADWIRES
152.40
MINIMUM LENGTH (28 AWG INSULATED CONDUCTOR)
(6.00)
8.28 0.38
2.36
Specifications are typical. Contact factory for special
requirements.
DIA.
(.326 .015)
(.093)
† Specifications applicable from 5 % to 95 % of
electrical travel.
RED
2
How to Order
WIPER
.010
(0.25)
TOLERANCES:
EXCEPT WHERE NOTED
3048 L - 2 - 502
YELLOW
1
GREEN
3
Model
Style
SHAFT EXTENDED
WIRING DIAGRAM
Range (Travel)
2 = 0.2 ” (5.08 mm)
3 = 0.3 ” (7.62 mm)
4 = 0.4 ” (10.16 mm)
5 = 0.5 ” (12.70 mm)
MM
(INCHES)
DIMENSIONS ARE:
Resistance Value
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
1,000
2,500
5,000
10,000
20,000
50,000
102
252
502
103
203
503
REV. 09/04
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify device performance in their specific applications.
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