WH138 Resistance Speed Regulator 24mm Carbon Film Rotary Potentiometer
Specification parameters
| ITEM | SPECIFICATION |
| Electrical Characteristics | Temp Range | -10℃~70℃ |
| Rated Power | Curve B:0.5W Other curve B:0.25W |
| | Curve B:500V Other curve B:250V |
| Resistance Range | 1KΩ~2MΩ |
| Allow Desistance Tolerance | ±20%(1MΩ or more30%) |
| Rotational Noise | ≤47mV |
| | R≥250KΩ 0.1%R max 250KΩ>R>10KΩ 20Ωmax 10 KΩ≥R 10Ωmax |
| Resistance Law | A,B,C |
| Dielectric | AC500V,1minute |
| Insulation Resistance | More than 100MΩ at DC500V |
| Mechanical Characteristics | Rotational Torque | 2~20 mN.m(20~200gf.cm) |
| Total Rotational Angle | 300°±5° |
| Rotary life | 10,000 cycles |
| Shaft Stopper Strength | 6Kgf.cm |
| Soldering | Temperature T≤265℃: time ts5s |
Product size


Product application

Manufacturer Information
We are a specialized factory with extensive experience in high-quality electronic component manufacturing.
- Advanced production equipment
- Professional R&D team
- OEM/ODM capabilities
- Strict quality control standards
Shipping & Support
We offer reliable global shipping solutions with comprehensive after-sales support:
- Express Mail Service
- DHL Express
- UPS
- FedEx
Frequently Asked Questions
- Are you a factory or trading company? We are a factory offering direct pricing with professional technical support.
- Could you provide samples? Samples are available upon request after order placement.
- Can your product be customized? We accept OEM/ODM orders with flexible requirements.
- What is your delivery time? Delivery varies by quantity and model, with urgent requests accommodated when possible.
- Do you offer after-sales service? We provide comprehensive 24-hour support for all products.