Industrial cermet potentiometer BOURNS 3362P-1-203LF sealed single turn miniature package with rotor
Product Overview
The 3362 - 1/4 Square Trimpot Trimming Potentiometer is a single-turn, cermet, industrial-grade potentiometer designed for harsh environments and immersion cleaning processes. It features a miniature package with a rotor specifically engineered for automatic machine adjustment interfaces. Available in tape and reel packaging and with RoHS compliant versions, this potentiometer is ideal for trimmer applications. Specifications are subject to change without notice, and users should verify actual device performance in their specific applications.
Product Attributes
- Brand: Trimpot (Registered trademark of Bourns, Inc.)
- Type: Single-Turn, Cermet, Industrial, Sealed
- Package: Miniature
- Rotor Design: For automatic machine adjust interface
- Environmental Resistance: Withstands harsh environments and immersion cleaning processes
- Packaging: Tape and reel packaging available
- Compliance: RoHS compliant version available
- Adjustment: Top adjust and side adjust models available
- Material: Cermet
Technical Specifications
| Specification | Value |
|---|---|
| Model Name | 3362 - 1/4 Square Trimpot Trimming Potentiometer |
| Standard Resistance Range | 10 ohms to 2 megohms |
| Resistance Tolerance (std.) | 10 % |
| Absolute Minimum Resistance | 1 % or 2 ohms (whichever is greater) |
| Contact Resistance Variation (max.) | 1 % or 3 ohms (whichever is greater) |
| Adjustability (Voltage Divider) | 0.05 % |
| Adjustability (Rheostat) | 0.15 % |
| Resolution | Infinite |
| Insulation Resistance | 1,000 megohms min. @ 500 vdc |
| Dielectric Strength (Sea Level) | 900 vac |
| Dielectric Strength (80,000 Feet) | 350 vac |
| Adjustment Angle (nom.) | 240 |
| Power Rating @ 70 C (300 volts max.) | 0.50 watt |
| Power Rating @ 125 C (300 volts max.) | 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 (30 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) |
| Mechanical Angle (nom.) | 270 |
| Torque (max.) | 3.0 oz-in. |
| Stop Strength (min.) | 7.0 oz-in. |
| Terminals | Solderable pins |
| Weight | 0.02 oz. |
| Marking | Resistance code, terminal numbers, manufacturers model number, style and date code |
| Wiper Setting | 50 % (Actual TR) 10 % |
| Flammability | U.L. 94V-0 |
| Standard Packaging | 50 pcs. per tube |
| Adjustment Tool | H-90 |
| Product Dimensions (approx.) | 6.60 mm (.260") L x 5.46 .38 mm (.215 .015") W x 4.70 mm (.185") D (for P style) |
| Pin Spacing | 2.54 mm (.100") |
| RoHS Compliant Terminations | LF = 100 % Tin-plated |
| Standard Terminations | Blank = 90 % Tin / 10 % Lead-plated |
| Packaging Designator (Tape and Reel) | R |
| Packaging Designator (Ammo Pack) | A |
Standard Resistance Table:
| Resistance (Ohms) | Code |
|---|---|
| 10 | 100 |
| 20 | 200 |
| 50 | 501 |
| 100 | 102 |
| 200 | 202 |
| 500 | 502 |
| 1,000 | 103 |
| 2,000 | 203 |
| 5,000 | 503 |
| 10,000 | 104 |
| 20,000 | 204 |
| 25,000 | 254 |
| 50,000 | 504 |
| 100,000 | 105 |
| 200,000 | 205 |
| 250,000 | 255 |
| 500,000 | 505 |
| 1,000,000 | 106 |
| 2,000,000 | 206 |
Note: Popular distribution resistance values are listed in boldface. Special resistances are available.
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