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Specifications
Tolerance:
±10%
Temperature Coefficient:
±100ppm/℃
Power(Watts):
250mW
Number of Turns:
12
Resistance:
1MΩ
Mfr. Part #:
3224W-1-105E
Package:
SMD-3P,4.8x3.5mm
Key Attributes
Model Number:
3224W-1-105E
Product Description
Product Overview
The 3224 - 4 mm SMD Trimpot Trimming Potentiometer is a surface-mount, multi-turn cermet trimmer designed for industrial applications. It features a sealed construction to withstand board wash processing and a pick-and-place centering design with flush adjustment. The 4mm design conforms to EIA/EIAJ/IPC/VECI SMD standard trimmer footprints. It offers low Contact Resistance Variation (CRV) of 1% and is RoHS compliant and halogen-free. Suitable for various trimmer applications, it provides essential electrical and environmental characteristics for reliable performance.
Product Attributes
- Brand: Bourns (implied by "Trimpot is a registered trademark of Bourns, Inc.")
- Product Type: Trimming Potentiometer
- Model Series: 3224
- Size: 4 mm
- Mounting Type: Surface Mount (SMD)
- Adjustment Type: Multi-turn
- Element Type: Cermet
- Sealing: Sealed (withstands board wash processing)
- Certifications/Compliance: RoHS compliant, Halogen free
- Design Features: Pick and place centering design, Flush adjustment
- Footprint Standard: Meets EIA/EIAJ/IPC/VECI SMD standard trimmer footprint
- Flammability: UL94V0
Technical Specifications
| Specification | Value |
|---|---|
| Standard Resistance Range | 10 ohms to 2 megohm (see standard resistance table) |
| Resistance Tolerance | ±10 % std. |
| Absolute Min. Resistance | 1 % or 2.0 ohms (whichever is greater) |
| Contact Resistance Variation (CRV) | 1 % or 3 ohms max. |
| Resolution | Essentially Infinite |
| Insulation Resistance | 500 vdc. 100 megohms min. |
| Dielectric Strength (Sea Level) | 600 vac (1 minute) |
| Adjustment Angle | 12 turns nom. |
| Power Rating @ 85 °C (300 volts max.) | 0.25 watt |
| Power Rating @ 150 °C (300 volts max.) | 0 watt |
| Temperature Range | -65 °C to +150 °C |
| Temperature Coefficient | ±100 ppm/°C |
| Seal Test (85 °C Fluorinert†/60 seconds) | TRS ±2 %; IR 10 megohms |
| 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 % |
| Mechanical Stop | Wiper idles |
| Torque | 180 g-cm max. |
| Weight | Approximately 0.01 oz. |
| Marking | Manufacturer’s code, resistance code and date code |
| Solderability | Per MIL-STD-202, Method 208 |
| Wiper | 50 % (Actual TR) ±10 % |
| Pushover Strength (J, G Styles) | 4.4 lbs. |
| Pushover Strength (W, X Styles) | 1 lb. |
| Adjustment Tool | H-91 |
| Dimensions | 4 mm Square |
| How To Order | Description |
|---|---|
| Model Style | 3224 |
| Standard or Modified Product Indicator | -1= IR Reflow (standard), †-2= Wave Solderable, -FW5= .070 ” ± .010 ” Shaft Extension |
| Resistance Code | (See Standard Resistance Table) |
| Embossed Tape Designator | E = Style J, G: 500 pcs./7 ” reel (standard); Style W: 250 pcs./7 ” reel (standard); Style X: 200 pcs./7 ” reel (standard) G = Style J, G: 1500 pcs./13 ” reel (standard); Style W: 1000 pcs./13 ” reel (standard); Style X: 850 pcs./13 ” reel (standard) Blank = Style J, G: 1500 pcs./13 ” reel (FW5); Style W, X: 600 pcs./13 ” reel (FW5) |
| Standard Resistance Table | 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 | |
| 50,000 | 503 | |
| 100,000 | 104 | |
| 200,000 | 204 | |
| 500,000 | 504 | |
| 1,000,000 | 105 | |
| 2,000,000 | 205 |
2410121957_BOURNS-3224W-1-105E_C116319.pdf
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