Product Overview
The 3296 - 3/8 Square Trimpot Trimming Potentiometer is a versatile component designed for trimmer applications. It features a sealed, cermet construction suitable for industrial environments and is available with multiple terminal styles and packaging options, including tape and reel. This potentiometer is listed on the QPL for style RJ24 per MIL-R-22097 and RJR24 per High-Rel Mil-R-39035. A RoHS compliant version is also available. Mounting hardware and adjustment tools are offered separately. Specifications are subject to change, and users should verify performance in their specific applications.
Product Attributes
- Brand: Bourns (indicated by "Trimpot is a registered trademark of Bourns, Inc.")
- Type: Cermet
- Construction: Sealed
- Certifications: Listed on QPL for style RJ24 per MIL-R-22097 and RJR24 per High-Rel Mil-R-39035
- Environmental: RoHS compliant* version available
- Packaging: Tape and reel available
- Seal Design: Chevron seal
Technical Specifications
| Specification | Details |
|---|---|
| Model Series | 3296 |
| Product Type | 3/8 Square Trimpot Trimming Potentiometer |
| Standard Resistance Range | 10 ohms to 2 megohms |
| 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 % |
| Adjustability Resistance | 0.05 % |
| Resolution | Infinite |
| Insulation Resistance | 500 vdc, 1,000 megohms min. |
| Dielectric Strength Sea Level | 900 vac |
| Dielectric Strength 70,000 Feet | 350 vac |
| Effective Travel | 25 turns nom. |
| Power Rating @ 70 C | 0.5 watt (300 volts max.) |
| Power Rating @ 125 C | 0 watt (300 volts max.) |
| 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) |
| Torque | 3.0 oz-in. max. |
| Mechanical Stops | Wiper idles |
| Terminals | Solderable pins |
| Weight | 0.03 oz. |
| Marking | Manufacturers trademark, resistance code, wiring diagram, date code, manufacturers model number and style |
| Wiper | 50 % (Actual TR) 10 % |
| Flammability | U.L. 94V-0 |
| Standard Packaging | 50 pcs. per tube |
| Adjustment Tool | H-90 |
| Mounting Hardware | Available (H-117P) |
| Terminal Styles | 5 styles available |
| Packaging Designator (Tube) | Blank |
| Packaging Designator (Tape and Reel) | R (X and W Pin Styles Only) |
| Packaging Designator (Ammo Pack) | A (X and W Pin Styles Only) |
| Terminations (RoHS Compliant) | LF = 100 % Tin-plated |
| Terminations (Standard) | Blank = 90 % Tin / 10 % Lead-plated |
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Fluorinert is a registered trademark of 3M Co.
Trimpot is a registered trademark of Bourns, Inc.
2410121938_BOURNS-3296W-1-500LF_C83692.pdf
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