Product Overview
The 3386 series is a 3/8 square Trimpot trimming potentiometer designed for industrial applications. These single-turn, cermet potentiometers offer reliable performance with options for sealed construction, tape and reel packaging, and various adjustment types including top and side adjust. They are suitable for a wide range of resistance values and are RoHS compliant versions available.
Product Attributes
- Brand: Trimpot (registered trademark of Bourns, Inc.)
- Type: Single Turn, Cermet, Industrial, Sealed
- Certifications: RoHS compliant
- Packaging: Available on tape and reel, Ammo Pack, Tube (Standard)
- Adjustment Options: Available with a knob for finger adjust, extended shaft, cross-slot rotor
- Material: Cermet
Technical Specifications
| Specification | Details |
|---|---|
| Model Series | 3386 |
| Size | 3/8 Square |
| Standard Resistance Range | 10 ohms to 2 megohms |
| Resistance Tolerance | 10 % std. |
| Absolute Minimum Resistance | 2 ohms max. |
| Contact Resistance Variation | 2 % or 3 ohms max. (whichever is greater) |
| Insulation Resistance | 500 vdc, 1,000 megohms min. |
| Dielectric Strength (Sea Level) | 900 vac |
| Adjustment Angle | 280 nom. |
| Power Rating (85 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 |
| Vibration | 30 G |
| Shock | 100 G |
| Load Life | 1,000 hours, 0.5 watt @ 70 C |
| Rotational Life | 200 cycles |
| Mechanical Angle | 310 nom. |
| Torque | 5.0 oz-in. max. |
| Stop Strength | 15.0 oz-in. min. |
| Terminals | Solderable pins |
| Weight | 0.03 oz. |
| Standard Packaging | 50 pcs. per tube |
| Adjustment Tool | H-90 |
| Common Dimensions (Side Adjust B,C,J,X) | 9.53 (.375) Long, 9.53 (.375) Wide, 5.33 (.210) Deep |
| Common Dimensions (Side Adjust H,S,W) | 9.53 (.375) Long, 5.64 (.222) Wide, 5.97 .89 (.235 .035) Deep |
| Common Dimensions (Top Adjust M,T) | 3.05 .38 (.120 .015) Long, 4.78 .38 (.188 .015) Wide, 3.56 .25 (.140 .010) Deep |
| Common Dimensions (Top Adjust F,G,K,P,R,U,V,Y) | 9.53 (.375) Long, 5.64 (.222) Wide, 5.97 .89 (.235 .035) Deep |
| Pin Diameter | .51 .05 (.020 .002) |
| How To Order - Model Style | -1 = Standard Product, -EY5 = Extended Shaft |
| How To Order - Resistance Code | e.g., 103 = 10,000 Ohms |
| How To Order - Optional Suffix | T = Knob |
| How To Order - Packaging Designator | Blank = Tube, R = Tape & Reel, A = Ammo Pack |
| How To Order - Terminations | LF = 100 % Tin-plated (RoHS compliant), Blank = 90 % Tin / 10 % Lead-plated |
| Standard Resistance Table (Examples) | 10 (10), 100 (100), 101 (1,000), 103 (10,000), 105 (1,000,000) |
2410121755_BOURNS-3386P-1-103TLF_C116302.pdf
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