3250L-1-501M [BOURNS]
1/2 â Square Trimpot Trimming Potentiometer; 1/2 ????广场可调电位器微调电位器
| 型号： | 3250L-1-501M |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | 1/2 â Square Trimpot Trimming Potentiometer |
| 文件： | 总1页 (文件大小：132K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
■ For trimmer applications/processing
guidelines, click here
■ Multiturn / Wirewound / Sealed
■ Listed on the QPL for style RT22 per
MIL-R-27208 and RTR22 per
High-Rel MIL-R-39015
■ Panel mount option available
■ RoHS compliant*
3250 - 1/2 ” Square Trimpot® Trimming Potentiometer
Electrical Characteristics
Product Dimensions
How To Order
Standard Resistance Range
3250P
3250 L - 1 - 103 M
Common Dimensions
(Pin Styles)
.................................. 10 to 50K ohms
(see standard resistance table)
Resistance Tolerance ............. 5 ꢀ std.
(tighter tolerance available)
Model
Style
1.98
DIA. THRU
(2 PLACES)
(.078)
Standard or Modified
Product Indicator
ADJ. SLOT
1.91 .25
(.075 .01)
Absolute Minimum Resistance
..........................0.1 ꢀ or 1 ohm max.
(whichever is greater)
-1 = Standard Product
Resistance Code
DIA.
13.21
TYP.
(.520)
.ꢀ6
WIDE
(.025)
X
X
Noise .....................100 ohms ENR max.
Resolution ........... See Resistance Table
Insulation Resistance ...............500 vdc.
1,000 megohms min.
Optional Suffix Letter
M = Panel Mount
(Factory Installed)
12.7
TYP.
.51
DEEP
(.020)
(.500)
.89
(.035)
TYP.
2.56
(.100)
2.56
(.100)
ꢀ.35
Consult factory for other available options.
Dielectric Strength
1.78
TYP.
Sea Level............................. 1,000 vac
80,000 Feet............................ 400 vac
Adjustment Travel.............25 turns nom.
(.070)
5.59
Standard Resistance Table
.71 .08
(.220)
DIA. TYP.
(.028 .003)
Nominal
(.250)
3
Resistance
(Ohms)
10
Resistance
Code
100
Resolution
(Percent)
1.30
12.7
(.500)
TYP.
2
Environmental Characteristics
1
Power Rating @ 85 °C...............1.0 watt
Power Rating @ 150 °C................0 watt
Temperature Range...-65 °C to +150 °C
Temperature Coefficient ..... 50 ppm/°C
Seal Test...................... 85 °C Fluorinert†
(pin styles only)
20
200
1.00
50
500
0.80
2.56
(.100)
13.33 .ꢀ6
100
101
0.90
(.525 .025)
ꢀ.35
200
201
0.70
(.250)
500
501
0.60
3250W
1,000
2,000
5,000
10,000
20,000
25,000
50,000
102
0.40
2.79
(.110)
202
0.30
3
2
1
502
0.25
Humidity .......MIL-STD-202 Method 106
(2 ꢀ ΔTR; 100 Megohms IR)
103
0.19
203
0.16
Vibration ......................................... 30 G
(1 ꢀ ΔTR; 0.5 ꢀ + resolution ΔVR)
Shock ........................................... 100 G
(1 ꢀ ΔTR; 0.5 ꢀ + resolution ΔVR)
Load Life
253
0.14
ꢀ.35
(.250)
503
0.13
2.56
(.100)
2.56
(.100)
Popular values listed in boldface. Special
resistances available.
3250W-66
2.79
(.110)
3
2
............1,000 hours 1.0 watt @ 85 °C
(2 ꢀ ΔTR; 500 ohms ENR)
RED
WIPER
2
1
Rotational Life .......................200 cycles
(2 ꢀ ΔTR; 500 ohms ENR)
GREEN
CW
YELLOW
CCW
3
1
ꢀ.35
(.250)
CLOCKWISE
2.56
(.100)
2.56
(.100)
Physical Characteristics
MM
(INCHES)
DIMENSIONS:
0.25
3250L
Torque.............................5.0 oz-in. max.
Mechanical Stops.................Wiper idles
Terminals..Solderable printed circuit pins
Flexible leads (7 strands of 30 AWG)
Weight .......................................0.06 oz.
Machine Screw Mounting
TOLERANCES:
EXCEPT WHERE NOTED
13.21
(.520)
(.010)
TYP.
2.3ꢀ
(.093)
DIA. THRU
(2 PLACES)
Torque ..........................12 oz-in. max.
Marking.........Manufacturer’s trademark,
resistance code, terminal numbers,
date code, manufacturer’s model
number and style
.89
(.035)
TYP.
12.70
TYP.
(.500)
1.60
Wiper ...............50 ꢀ (Actual TR) 10 ꢀ
Flammability ..........................U.L. 94V-0
Standard Packaging
(.055)
152.6
(ꢀ.00)
LENGTH
MIN.
REV. 11/13
6.75
(.187)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/ꢀ5/EU June 8, 2011.
“Trimpot” is a registered trademark of Bourns, Inc.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications 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
specific applications.
P&W Styles ...............25 pcs. per tube
L Style ........................25 pcs. per bag
Adjustment Tool..............................H-90
1.52
TYP.
12.7
(.500)
(.0ꢀ0)
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