Product Overview
The Bourns 3214 Series is a 5-turn cermet trimming potentiometer designed for industrial applications. Featuring a surface mount 4 mm square form factor, it is sealed to withstand board wash processing and offers a pick-and-place centering design with flush adjustment. This series meets EIA/EIAJ/IPC/VECI SMD standard trimmer footprint requirements and is RoHS compliant and halogen-free. It is suitable for various trimmer applications and processing guidelines.
Product Attributes
- Brand: Bourns
- Product Line: Trimpot
- Type: Cermet Trimming Potentiometer
- Adjustment: Multiturn (5-turn)
- Mounting Type: Surface Mount (SMD)
- Sealing: Sealed (withstands board wash processing)
- Certifications: RoHS compliant, Halogen free
- Design Feature: Pick and place centering, flush adjustment
- Standard Compliance: Meets EIA/EIAJ/IPC/VECI SMD standard trimmer footprint
Technical Specifications
| Specification | Value |
|---|---|
| Model Series | 3214 |
| Standard Resistance Range | 10 ohms to 2 megohms |
| Resistance Tolerance | 10 % std. |
| Absolute Minimum Resistance | 1 % or 2.0 ohms (whichever is greater) |
| Contact Resistance Variation | 3 % or 3 ohms max. |
| Resolution | Essentially Infinite |
| Insulation Resistance | 500 vdc, 100 megohms min. |
| Dielectric Strength (Sea Level) | 600 vac (1 minute) |
| Adjustment Angle | 5 turns nom. |
| Power Rating (@ 85 C) | 0.25 watt (300 volts max.) |
| Power Rating (@ 150 C) | 0 watt |
| Temperature Range | -65 C to +150 C |
| Temperature Coefficient | 100 ppm/C |
| Seal Test | 85 C Fluorinert / 60 seconds |
| Humidity (MIL-STD 202 Method 106) | TRS 2 %; IR 10 megohms |
| Vibration (20 G) | TRS 1 %; VRS 1 % |
| Shock (100 G) | TRS 1 %; VRS 1 % |
| Load Life (@ 85 C rated power, 1,000 hours) | TRS 3 ohms or 3 % (whichever is greater) |
| Rotational Cycling (200 cycles) | TRS 3 ohms or 3 % (whichever is greater) |
| Thermal Shock (5 cycles) | TRS 2 %; VRS 1 % |
| Moisture Sensitivity Level | 1 |
| ESD Classification | 2 |
| Mechanical Stop | Wiper idles |
| Torque | 180 g-cm max. |
| Weight | Approximately 0.01 oz. |
| Solderability | Per MIL-STD-202, Method 208 |
| Wiper | 50 % (Actual TR) 10 % |
| Flammability | UL94V0 |
| Pushover Strength (J, G) | 4.4 lbs. |
| Pushover Strength (W, X) | 1 lb. |
| Adjustment Tool | H-91 |
| Reel Packaging (E Embossed Tape Designator) | Style J, G: 500 pcs./7 reel Style W: 250 pcs./7 reel Style X: 200 pcs./7 reel |
| Reel Packaging (G Embossed Tape Designator) | Style J, G: 1500 pcs./13 reel Style W: 1000 pcs./13 reel Style X: 850 pcs./13 reel |
| Reel Packaging (G Embossed Tape Designator, FW5) | Style J, G: 1500 pcs./13 reel Style W, X: 600 pcs./13 reel |
| Standard Resistance Table (Examples) | 10 Ohms (10), 100 Ohms (100), 500 Ohms (500), 1 kOhm (102), 5 kOhm (502), 1 MOhm (105), 2 MOhm (205) |
Note: Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
Legal Disclaimer: This product is subject to Bourns' standard legal disclaimers, available at www.bourns.com/docs/legal/disclaimer.pdf.
2410010000_BOURNS-3214W-1-201E_C780200.pdf
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