Description
Adjustable Volume Control Potentiometers
The 3386P series potentiometers are high-precision, single-turn, PCB-mounted adjustable resistors designed for fine-tuning and calibration in a wide range of electronic circuits. Featuring a compact, durable, and sealed design, the 3386P is ideal for industrial, automotive, communications, and consumer electronics applications where reliable adjustment and space-saving are important.
The 3386P model specifically offers vertical mounting with a top-adjustable slot accessible by a screwdriver, making it easy to adjust after PCB installation. Its rugged construction ensures long-term stability, excellent mechanical life, and resistance to environmental contaminants like dust, flux, and solvents.
Features:
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Single-turn adjustment for easy and precise calibration.
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Top-slotted adjustment for convenient tuning after assembly.
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Sealed housing to protect against dust, moisture, and flux contamination.
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PCB through-hole mount for secure and reliable connections.
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Wide resistance range options from 100Ω to 2MΩ.
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High reliability with excellent rotational life and resistance stability.
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Compact size ideal for dense PCB layouts.
Technical Specifications:
| Specification | Details |
|---|---|
| Resistance Range | 100Ω to 2MΩ (varies by model) |
| Resistance Tolerance | ±10% (standard) |
| Rated Power | 0.5W at 70°C |
| Maximum Operating Voltage | 200V DC or √(Rated Power × Resistance) |
| Adjustment Type | Top slot (for screwdriver) |
| Rotation Angle | Approximately 280°–300° |
| Mounting | PCB Through-Hole (Vertical) |
| Terminal Configuration | 3-pin, standard layout |
| Body Material | Thermoplastic |
| Sealing | Sealed against dust and solvents |
| Operating Temperature Range | -55°C to +125°C |
Variants Overview:
The 3386 series includes several variants to accommodate different mounting and adjustment needs:
| Variant | Mounting Style | Adjustment Direction | Key Features |
|---|---|---|---|
| 3386P | Vertical (PCB mount) | Top Adjust | Standard vertical mount, top screwdriver slot. |
| 3386F | Vertical (PCB mount) | Side Adjust | Vertical mount with side-slot adjustment. |
| 3386H | Horizontal (PCB mount) | Side Adjust | Horizontal mount for low-profile designs. |
| 3386M | Vertical (PCB mount) | Top Adjust (Miniature) | Smaller version of 3386P for tighter spaces. |
| 3386S | Horizontal (PCB mount) | Side Adjust (Miniature) | Smaller size, horizontal adjustment. |
| 3386X | Vertical (PCB mount) | Top Adjust (Industrial Grade) | Heavy-duty version for harsh environments. |
Applications:
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Precision tuning of amplifiers, sensors, and controllers.
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Calibration and offset adjustment in analog circuits.
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Frequency adjustment in oscillators and filters.
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Voltage divider or reference voltage setting.
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Industrial control systems and instrumentation.
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Consumer electronics fine-tuning and testing.
Typical Part Numbers:
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3386P-1-101: 100Ω
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3386P-1-102: 1kΩ
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3386P-1-103: 10kΩ
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3386P-1-104: 100kΩ
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3386P-1-105: 1MΩ
("1" usually denotes linear taper.)
Physical Dimensions (Approximate for 3386P):
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Body Size: 9.5mm × 9.5mm × 5mm
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Lead Pitch: 5.08mm (0.2 inches)
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Adjustment Slot Width: ~1.5mm
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Lead Length: ~3.0mm to 3.5mm