3329H-1 0.5W 5k 10k 50k Ohms Precision Top Adjustment Ceramic Trimmer Potentiometer
3329H-1 0.5W 5k 10k 50k Ohms Precision Top Adjustment Ceramic Trimmer Potentiometer
Quick Detail:
● Rated power 0.5W at 70℃.
● Adjustment angle 220°, mechanical angle 250°.
● Contact Resistance Variation (CRV) ≤3%R or 3Ω.
● Wide ohmic range 10 Ω to 5 MΩ, tolerance ±10%.
● Small size, fully sealed, high precision, stable and reliable performance.
● Excellent heat resistance and humidity resistance,ensuring more stable performance.
Description:
The 3329H-1 trimmer potentiometer stands out as a versatile component in electronic applications, offering exceptional performance and reliability. With a rated power of 0.5W at 70℃, it ensures stable operation under various conditions. Its wide ohmic range from 10Ω to 5MΩ, coupled with resistance tolerance options of ±10% or ±20%, provides flexibility for diverse circuit requirements. Boasting an electrical angle of 220° and a total mechanical angle of 250°, it allows for precise adjustments. Despite its compact size, this potentiometer is fully sealed, guaranteeing high precision and stable performance. Moreover, its excellent heat and humidity resistance ensure consistent operation, making it an ideal choice for demanding environments.
Specification:
| Electrical Characteristics | Resistance Range | 10Ω-5MΩ |
| Resistance Tolerance | ±10% ；±20% | |
| Terminal Resistance | ≤±1% R or 3Ω | |
| Contact Resistance Variation (CRV) | ≤3%R or 3Ω | |
| Insulation Resistance | 500 Vdc. 100 megohms min. | |
| Withstand Voltage | 101.3KPa,500 Vac；8.5KPa,250 Vac | |
| Dielectric Strength | 500 Vac(1Min.) | |
| Electrical Travel | 220° | |
| Environment Characteristics | Weld Heat Resistance | 250℃ ,10 Secs. |
| Rated Power(300 volts max.) | 70℃,0.5W；125℃,0W | |
| Temperature Range | -55°C ~ + 125°C | |
| Temperature Coefficient | ±250,±100 ppm /°C | |
| Temperature Variation | ΔR≤±3%R, Δ(Uab/Uac)≤±1% | |
| Collision | 20G, ΔR≤±1%R, Δ(Uab/Uac)≤±1% | |
| Vibration | 100G, ΔR≤±1%R,Δ(Uab/Uac)≤±2% | |
| Electrical Endurance At 70°C | 1000 hours @ 70℃ Rated Power; ΔR≤±3%R | |
| Rotational Life | 200 Cycles,ΔR≤±3%R | |
| Physical Characteristics | Total Mechanical Travel | 250° |
| Starting Torque | ≤25 mN.m | |
| Clutch Torque | ≤35 mN.m |
Dimension:
Dimensions in mm, tolerances ±0.30 mm unless otherwise specified.
Packaging
packaging specification: 50 pieces per tube.
Application:
The 3329H cermet trimmer potentiometer is widely used across multiple industries and applications where precise resistance adjustment is crucial. Its versatility and reliability make it suitable for:
1. Consumer Electronics: Used in devices such as TVs, audio equipment, and home appliances for tuning and calibration purposes.
2. Telecommunications: Found in communication equipment like radios, transceivers, and antennas for signal tuning and adjustment.
3. Industrial Automation: Integrated into control systems and machinery for precise resistance settings in sensors, actuators, and automation components.
4. Medical Instruments: Applied in medical devices requiring accurate resistance control, such as patient monitoring systems and diagnostic tools.
5. Automotive Electronics: Utilized in vehicle electronics for applications like dashboard controls, sensor calibration, and audio systems.
6. Test and Measurement Instruments: Found in instruments such as multimeters, oscilloscopes, and spectrum analyzers for circuit calibration and fine adjustment.
7. Aerospace and Defense: Used in electronic systems and communication modules for aircraft, satellites, and defense applications where reliability and precision are critical.
The 3329H cermet trimmer potentiometer is valued for its robustness, stable performance over time, and ability to maintain precise resistance settings in various environmental conditions. Its application diversity across industries underscores its importance in modern electronic designs requiring accurate and reliable resistance adjustment capabilities.
Advantage:
• Factory direct supply, no middlemen.
• Completed certificates such as UL,RoHS,SGS,etc and best quality assurance.
• Sufficient production capacity , short delivery time.
• Professional after-sales service team.
• OEM & ODM available.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.