Industrial Grade 4mm Square Surface Mount Potentiometer BOURNS 3224X-1-103E Cermet Trimpot Sealed RoHS
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Product Description
Product Overview
The Bourns 3224 4 mm SMD Trimpot Trimming Potentiometer is a sealed, surface-mount cermet trimmer designed for industrial applications. It features a 4mm square footprint that meets EIA/EIAJ/IPC/VECI SMD standard trimmer specifications, offering a low Contact Resistance Variation (CRV) of 1%. The trimmer is halogen-free and RoHS compliant, with a sealed design suitable for board wash processing. Its pick-and-place centering design and flush adjustment make it ideal for automated assembly. Applications include general-purpose trimming where precise adjustment and environmental resistance are required.
Product Attributes
- Brand: Bourns
- Product Line: Trimpot
- Model Series: 3224
- Type: Cermet Trimming Potentiometer
- Mounting Type: Surface Mount
- Size: 4 mm Square
- Certifications: RoHS compliant, Halogen free
- Sealing: Sealed to withstand board wash processing
- Adjustment: Flush adjustment, Pick and place centering design
- Material: Cermet
- Environmental: Industrial
Technical Specifications
| Specification | Value |
|---|---|
| Standard Resistance Range | 10 to 2 M (See Standard Resistance Table) |
| Resistance Tolerance | 10 % std. |
| Absolute Min. Resistance | 1 % or 2.0 (whichever is greater) |
| Contact Resistance Variation (CRV) | 1 % or 3 max. |
| Resolution | Essentially Infinite |
| Insulation Resistance | 500 Vdc, 100 M min. |
| Dielectric Strength (Sea Level) | 600 Vac (1 minute) |
| Adjustment Angle | 12 turns nom. |
| Power Rating @ 85 C (300 V max.) | 0.25 watt |
| Power Rating @ 150 C (300 V max.) | 0 watt |
| Operating 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 M) |
| Vibration | 20 G (TRS 1 %; VRS 1 %) |
| Shock | 100 G (TRS 1 %; VRS 1 %) |
| Load Life @ 85 C (1,000 hours) | TRS: 3 or 3 % (whichever is greater) |
| Rotational Cycling (200 cycles) | TRS: 3 or 3 % (whichever is greater) |
| Thermal Shock (5 cycles) | TRS 2 %; VRS 1 % |
| Moisture Sensitivity Level | N/A |
| ESD Classification | 2 |
| Mechanical Stop | Wiper idles |
| Torque | 180 g-cm max. |
| Weight | Approximately 0.01 oz. |
| Marking | Manufacturers code, resistance code, and date code |
| 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 |
| Storage Condition | 40 C max. / 70 % R.H. max. |
| Model Numbers | 203 3224 838C J, 203 3224 838C G, 203 3224 838C X, 203 3224 838C W |
| Dimensions (Typical) | 4 mm square |
| Standard Resistance Table Codes | 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 |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina