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Datasheet

Features
Multiturn / Cermet / Industrial / Sealed
5 terminal styles
Tape and reel packaging available
Chevron seal design
Listed on the QPL for style RJ24 per
MIL-R-22097 and
RJR24 per High-Rel
Mil-R-39035
Mounting hardware available
(H-117P)
RoHS compliant* version available
For trimmer applications/processing
guidelines,
click here
3296 - 3/8 ” Square Trimpot® Trimming Potentiometer
†“Fluorinert” is a registered trademark of 3M Co.
Electrical Characteristics
Standard Resistance Range
......................10 ohms 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 ...................................
Insulation Resistance ...............500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 900 vac
70,000 Feet ............................ 350 vac
.................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
... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity .......MIL-STD-202 Method 103
96 hours
(2 % ΔTR, 10 Megohms IR)
Vibration ....... 20 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life ..1,000 hours 0.5 watt @ 70 °C
(3 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life .......................200 cycles
(4 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Moisture Sensitivity Level .................N/A
.....................2
Physical Characteristics
Torque .............................3.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .......................Solderable pins
Weight ....................................... 0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code, wiring
diagram, date code, mfr’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
Product Dimensions
13CW
CLOCKWISE
CCW
2WIPER
How To Order
3296 W - 1 - 103 __ LF
Model
Style
Product Indicator
-1 = Standard Product
Resistance Code
Packaging Designator
Blank = Tube (Standard)
R = Tape and Reel (X and W Pin Styles
Only)
A = Ammo Pack (X and W Pin Styles Only)
Tape and reel material meets Antistatic
ANSI/ESD 5541-2003 packaging standards.
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
Standard Resistance Table
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
TOLERANCES: ± 0.25 EXCEPT WHERE NOTED
(.010)
DIMENSIONS: MM
(INCHES)
Popular values listed in boldface. Special
resistances available.
Common Dimensions
1.27 ± 0.1
(.050 ± .004)
4.83 ± .13
(.190 ± .005)
9.53
(.375)
1.27 ± 0.1
(.050 ± .004)
5.23
(.206)
2
3
1
2
3
1
2.41
(.095)
2
3
1
6.4 ± 1.32
(.252 ± .052)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.41
(.095)
10.03
(.395)
1.52
(.060)
.38
(.015)
6.40 ± 1.32
(.252 ± .052)
.51 ± .03
(.020 ± .001)
2.54
(.100)
2.54
(.100)
MIN.
DIA.
ADJ. SLOT
2.19
(.086)
.56
(.022)
.76
(.030)
WIDE
X
XDEEP
DIA.
3296P
3296W
3296X
1
2
3
1.14
(.045)
2
3
1
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
1.14
(.045)
3296Y
3296Z
*RoHS COMPLIANT
VERSIONS
AVAILABLE
*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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
“Trimpot” is a registered trademark of Bourns, Inc.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
3296 - 3/8 ” Square Trimpot® Trimming Potentiometer
SIDE ADJUST
3296X-1
18 ± .76
(.709 ± .030)
8.89 + .76 /- .51
(.350 + .030 /- .020)
28.07 ± .76
(1.105 ± .030)
3.81 ± .71
(.15 ± .028)
1
2
3
4.83 + .30/ -.25
(.190 + .012/ -.010)
2.41 ± .25
(.095 ± .010)
12.70
(.500) REF.
12.7 + 0.3/ - 0.25
(.500 + .012/ - .010)
18 + 1.0/ - 0.5
(709 + .040/ - .020)
4.0 ± .03
(.157 ± .001)
DIA.
ALL PINS IN-LINE ON CENTER
DIMENSIONS:
1000/REEL/BOX
2.54
(.100)
MM
(INCHES)
12.70
(.500)
TOP ADJUST
3296W-1
29.59 ± .76
(1.165 ± .030)
1
2
3
REF.
4.83 + .30/ -.25
(.190 + .012/ -.010)
2.41 ± .25
(.095 ± .010)
18 ± .76
(.709 ± .030)
4.0 ± .03
(.157 ± .001)
DIA.
12.7 + 0.3/ - 0.25
(.500 + .012/ - .010)
18 + 1.0/ - 0.5
(709 + .040/ - .020)
8.89 + .76 /- .51
(.350 + .030 /- .020)
3.81 ± .71
(.150 ± .028)
.51 ± .051
(020 ± .002) DIA. TYP.
(.100)
2.54
ALL PINS IN-LINE ON CENTER
DIMENSIONS:
1000/REEL/BOX
2.54
(.100)
MM
(INCHES)
REV. 06/18
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
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