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3299Y-1-103LF Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # 3299Y-1-103LF
Description  3/8 Square Trimming Potentiometer
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

3299Y-1-103LF Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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*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.
3299 - 3/8 ” Square Trimming Potentiometer
Features
3/8 ” Square/ Multiturn / Cermet /
Industrial / Sealed
Five popular terminal styles
Standoffs
Patent #4427966 drive mechanism
RoHS compliant* version available
Electrical Characteristics
Standard Resistance Range
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ............±10 % std.
(tighter tolerance available)
Absolute Minimum Resistance
..............................1 % or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
...........................1.0 % or 3 ohms max.
(whichever is greater)
Adjustability
Voltage.....................................±0.01 %
Resistance ...............................±0.05 %
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level ..................................900 vac
70,000 Feet...............................350 vac
Effective Travel..................25 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
70 °C ........................................0.5 watt
125 °C .........................................0 watt
Temperature Range ....-55 °C to +125 °C
Temperature Coefficient ....±100 ppm/°C
Seal Test........................85 °C Fluorinert
Humidity........MIL-STD-202 Method 103
96 hours
(2 % ∆TR, 10 Megohms IR)
Vibration.........20 G (1 % ∆TR; 1 % ∆VR)
Shock...........100 G (1 % ∆TR; 1 % ∆VR)
Load Life
................1,000 hours 0.5 watt @ 70 °C
(3 % ∆TR; 3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4 % ∆TR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ......................................0.035 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Wiper................50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
1
3 CW
CLOCKWISE
CCW
2 WIPER
1.52
(.060)
3
2
1
BOTTOM VIEW
BOTTOM VIEW
BOTTOM VIEW
BOTTOM VIEW
BOTTOM VIEW
3299P
Common Dimensions
1.09
(.043)
6.10
+.30/-.25
(.240
+.012/-.010)
3299W
1.91
(.075)
2
3
1
3299X
2
3
1
3299Y
2
3
1
3299Z
2
3
1
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
1.91
(.075)
1.91
(.075)
1.91
(.075)
2.54
(.100)
MIN.
2.54
(.100)
2.54
(.100)
2.54
(.100)
.51
(.020)
DIA. TYP.
5.23
(.206)
10.03
(.395)
.38
(.015)
9.53
(.375)
1.12
(.044)
6.22 ± 1.14
(.245 ± .045)
ADJ. SLOT
2.29
(.090)
.56
(.022)
.64
(.025)
WIDE
X
X
DEEP
DIA.
How To Order
3299 W - 1 - 103 LF
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
Resistance
Resistance
(Ohms)
Code
10
100
20
200
50
500
100
101
200
201
500
501
1,000
102
2,000
202
5,000
502
10,000
103
20,000
203
25,000
253
50,000
503
100,000
104
200,000
204
250,000
254
500,000
504
1,000,000
105
2,000,000
205
Standard Resistance Table
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Popular distribution resistance values listed in
boldface. Special resistances available.
REV. 09/04


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