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3345P-1-502T 参数 Datasheet PDF下载

3345P-1-502T图片预览
型号: 3345P-1-502T
PDF下载: 下载PDF文件 查看货源
内容描述: 1/2“ ”圆微调电位器 [1/2 ”“Round Trimming Potentiometer]
分类和应用: 电位器微调电位器
文件页数/大小: 1 页 / 70 K
品牌: BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
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  • 数量*
  • 厂商
  • 封装
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  • 交易说明
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PL
IA
NT
Features
Single-turn / Wirewound / Industrial /
RoHS compliant*
CO
M
Sealed
Industrial wirewound
1.0 watt power rating at 70 °C
Available with a thumbwheel and
screwdriver slot adjustment
*R
oH
S
3345 - 1/2 ”“Round Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
.....................................10 to 50K ohms
(see standard resistance table)
Resistance Tolerance ..............±5 % std.
(tighter tolerance available)
Absolute Minimum Resistance
........................1.0 % or 0.5 ohms max.
(whichever is greater)
Noise ......................100 ohms ENR max.
Resolution
...............See standard resistance table
1,000 megohms min.
Dielectric Strength
Sea Level ...............................1,500 vac
70,000 Feet...............................350 vac
Insulation Resistance ................500 vdc.
100 megohms min.
Adjustment Angle ..................280 ° nom.
Environmental Characteristics
Power Rating
70 °C ...........................................1 watt
150 °C .........................................0 watt
Temperature Range ....-55 °C to +150 °C
Temperature Coefficient ..... ±50 ppm/°C
Seal Test........................85 °C Fluorinert
Humidity........MIL-STD-202 Method 106
(1 %
∆TR,
10 megohms IR)
Vibration.........30 G (1 %
∆TR;
1 %
∆VR)
Shock...........100 G (1 %
∆TR;
1 %
∆VR)
Load Life
..................1,000 hours, 1 watt @ 70 °C
Rotational Life ........................200 cycles
(2 %
∆TR;
500 ohms ENR)
Physical Characteristics
Mechanical Angle ..................310 ° nom.
Torque .............................5.0 oz-in. max.
Stop Strength ....................15 oz-in. min.
Terminals ........................Solderable pins
Weight ........................................0.04 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model number
and style
Standard Packaging ....100 pcs. per bag
Product Dimensions
3345P
ADJ. SLOT
5.97
.89
.64
LONG X
DEEP X
WIDE
(.235)
(.035)
(.025)
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
503
Nominal
Resolution
(Percent)
0.94
0.76
0.58
0.49
0.49
0.38
0.30
0.24
0.18
0.14
0.13
0.12
DIA.
11.43 ± .38
(.450 ± .015)
5.97 ± .38
(.235 ± .015)
MIN. STANDOFFS
.38
(.015)
2.54
(.10)
2.54
(.10)
1
2
3
5.08
(.200)
MIN. LENGTH
2.54
(.10)
.71 ± .08
(.028 ± .003)
DIA.
Special resistances available from 10 to
50K ohms.
3345P THUMBWHEEL
8.00 ± .38
(.315 ± .015)
How To Order
3345 P - 1 - 502 T
Model
Style
Standard Product
12.57 ± .38
(.495 ± .015)
11.43 ± .38
DIA.
(.450 ± .015)
5.97 ± .38
(.235 ± .015)
Resistance Code
Optional Suffix Letter
T = Thumb Wheel
Consult factory for other available options.
3345W
.686 ± .38
(.270 ± .015)
13.34 ± .38
(.525 ± .015)
3
2
1
DIA.
11.43 ± .38
(.450 ± .015)
12.7
(.500)
1.09 ± .38
(.043 ± .015)
2.54
(.10)
2.54
(.10)
2
CCW
WIPER
MIN.
2.54
(.10)
1
CLOCKWISE
3
CW
3345W THUMBWHEEL
13.97 ± .38
(.550 ± .015)
8.78 ± .38
(.345 ± .015)
1.09 ± .38
(.043 ± .015)
3
2
1
12.57 ± .38 11.93 ± .38
(.495 ± .015) (.450 ± .015)
6.86 ± .38
(.270 ± .015)
TOLERANCES:
± .25
EXCEPT WHERE NOTED
(± .010)
MM
(INCHES)
DIMENSIONS:
09/04
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.