The 148P Dust And Water Resistant Potentiometer Can Be Equipped With CC Stepping And Has A Protection Class Of P63
Electrical Characteristics
- Overall resistance range: 50Ω - 2MΩ (Error ±20%)
- Power rating: B Taper 0.5W, Others 0.25W
- Residual resistance: Terminal 1-2/2-3 ≤20Ω MAX
- Max operation voltage: Linear taper BAC 500V, other tapers AC 250V
- Slider noise (Refer to JIS): ≤47mV MAX
- Insulation resistance: ≥100MΩ MIN at D.C 500 volts
- Withstanding voltage (Terminal-case): 500V, AC (one minute)
Taper Specifications
| Taper | Test point position | V1-2/V1-3 (%) | V2-3/V1-3 (%) |
| A | 180° | 10-30% |
|
| B | 150° | 40-60% |
|
| C | *180° |
| 10-30% |
| D | 150° | 2-15% |
|
| W | 90±5° | 5-15% |
|
| 150° | 40-60% |
|
| 210±5° | 85-95% |
|
*With respect to terminal 3
Mechanical Characteristics
- Overall rotational angle: 300°±10°
- Effective electrical travel: 230°±3°
- Switch angle: 50°±10°
- Waterproof grade: IP63
- Operation torque: 100gf.cm-200gf.cm (rotational speed 60°/1 sec)
Durability
- Rotational life: More than 100,000 cycles
Additional Specifications
- All items meet or exceed JIS C6443 standards
- Operating temperature: -10℃ to +60℃
- Storage temperature: -30℃ to +70℃
About Uchi Electronics Co., Ltd.
Uchi Electronics specializes in manufacturing high-quality electronic components including high-power resistors, wire-wound potentiometers, trimmer potentiometers, and precision potentiometric devices. With advanced production facilities and professional R&D teams, our products meet international quality standards and are exported to over 30 countries worldwide.

Shipping Options
We offer multiple shipping methods including express mail service, DHL Express, UPS, and FedEx to ensure safe and efficient delivery of your products.
Frequently Asked Questions
Are you a factory or a trading company?
We are a factory offering direct factory pricing without middlemen. We provide professional technical support and accept customized OEM & ODM orders.
Could you provide samples?
Samples are available upon request. Contact us to arrange sample delivery after placing your order.
Can your product be customized?
We accept OEM and ODM orders with varying customization requirements. Contact our customer service for specific details regarding minimum order quantities and pricing.
What is your delivery time?
Delivery times vary based on product quantity, production process, and model. We have multiple factories to handle simultaneous production and can accommodate urgent requests.
Do you offer after-sales service?
All products come with comprehensive after-sales support. Our team provides 24-hour assistance for any technical or quality issues.
