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Products
3329P Horizontal Trimmer
The 3329P is a 1/4-inch square industrial-grade sealed single-turn cermet trimmer potentiometer with top adjustment, designed for PCB through-hole mounting. It offers a resistance range from 10Ω to 5MΩ, with a power rating of 0.5W at 70°C, effective electrical travel of 220°, and mechanical travel of 250°. The multi-finger wiper ensures low contact resistance variation (CRV ≤3%R or 3Ω) and high stability, while insulation resistance is ≥100MΩ at 500Vdc. Its fully sealed construction protects against dust and moisture and withstands cleaning processes, making it suitable for precision electronic circuits.
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Product Description
The 3329P is a 1/4-inch square industrial-grade sealed single-turn cermet trimmer potentiometer with top adjustment, designed for PCB through-hole mounting. It offers a resistance range from 10Ω to 5MΩ, with a power rating of 0.5W at 70°C, effective electrical travel of 220°, and mechanical travel of 250°. The multi-finger wiper ensures low contact resistance variation (CRV ≤3%R or 3Ω) and high stability, while insulation resistance is ≥100MΩ at 500Vdc. Its fully sealed construction protects against dust and moisture and withstands cleaning processes, making it suitable for precision electronic circuits.
Product Parameter
| Parameter | Value |
|---|---|
| Resistance Range | 10Ω ~ 5MΩ |
| Tolerance | ±10% |
| Power Rating | 0.5W at 70°C (0W at 125°C) |
| Contact Resistance Variation (CRV) | ≤3%R or 3Ω |
| Insulation Resistance | ≥100MΩ at 500Vdc |
| Dielectric Strength | 500Vac (1 min.) |
| Temperature Coefficient | ±100, ±250ppm/°C |
| Mechanical Endurance | 200 cycles (ΔR≤±3%R) |
| Operating Temperature | -55°C ~ +125°C |
| Starting Torque | ≤25 mN.m |
| Clutch Torque | ≤35 mN.m |
Product Feature
Product Advantages
We offer factory-direct supply with full RoHS and REACH certifications. The single-turn design with a multi-finger wiper guarantees ΔR≤±3%R after 200 mechanical cycles, ensuring excellent durability. It operates reliably across a wide temperature range from -55°C to +125°C and has a dielectric strength of 500Vac (1 min.), suitable for harsh industrial environments. Available with ±10% tolerance, it maintains ΔR≤±3%R after 1000 hours of load life at 70°C. The cermet element ensures long-term reliability. OEM/ODM services and flexible delivery are available.
Application Fields
The 3329P trimmer is widely used in audio equipment (volume, tone control), consumer electronics (TVs, radios), industrial controls (automation, motor speed), test and measurement instruments (calibration), robotics (position sensing, feedback), power supplies (voltage regulation), automotive electronics (lighting, fan control), and telecommunications (signal attenuation). Its sealed design makes it especially suitable for harsh, dusty, or humid industrial environments, providing engineers with a reliable solution for circuit debugging and performance optimization.
Product Features
1/4-inch square industrial-grade form factor
Single-turn, top adjustment
Fully sealed construction, washable, dust and moisture proof
Cermet resistive element, multi-finger wiper
Effective electrical travel 220°, total mechanical travel 250°
Resistance range 10Ω~5MΩ, tolerance ±10%
PC pin termination, PCB through-hole mounting
RoHS compliant
Dimensions & Packaging
Dimensions (typical, mm): Square body approx. 6.4mm x 4.8mm (excluding adjustment slot). Top slot fits a standard screwdriver. Pin spacing fits a 2.54mm standard PCB grid. Mounting: PCB through-hole (PC pin). Packaging: Tube (50 pcs/tube). Outer packaging: 1000 pcs/box, 5000 pcs/carton. Suitable for manual or automated insertion.
We offer factory-direct supply with full RoHS and REACH certifications. The single-turn design with a multi-finger wiper guarantees ΔR≤±3%R after 200 mechanical cycles, ensuring excellent durability. It operates reliably across a wide temperature range from -55°C to +125°C and has a dielectric strength of 500Vac (1 min.), suitable for harsh industrial environments. Available with ±10% tolerance, it maintains ΔR≤±3%R after 1000 hours of load life at 70°C. The cermet element ensures long-term reliability. OEM/ODM services and flexible delivery are available.
Application Fields
The 3329P trimmer is widely used in audio equipment (volume, tone control), consumer electronics (TVs, radios), industrial controls (automation, motor speed), test and measurement instruments (calibration), robotics (position sensing, feedback), power supplies (voltage regulation), automotive electronics (lighting, fan control), and telecommunications (signal attenuation). Its sealed design makes it especially suitable for harsh, dusty, or humid industrial environments, providing engineers with a reliable solution for circuit debugging and performance optimization.
Product Features
1/4-inch square industrial-grade form factor
Single-turn, top adjustment
Fully sealed construction, washable, dust and moisture proof
Cermet resistive element, multi-finger wiper
Effective electrical travel 220°, total mechanical travel 250°
Resistance range 10Ω~5MΩ, tolerance ±10%
PC pin termination, PCB through-hole mounting
RoHS compliant
Dimensions & Packaging
Dimensions (typical, mm): Square body approx. 6.4mm x 4.8mm (excluding adjustment slot). Top slot fits a standard screwdriver. Pin spacing fits a 2.54mm standard PCB grid. Mounting: PCB through-hole (PC pin). Packaging: Tube (50 pcs/tube). Outer packaging: 1000 pcs/box, 5000 pcs/carton. Suitable for manual or automated insertion.
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