BC1 25W Variable Resistor 1 Ohm to 10K Ohm ±10 Percent Tolerance
Key Attributes
Product Summary
BC1 25W Variable Resistor Rheostat The BC-1 wire wound resistor features high resolution capability with a wide resistance range. Designed for durability, it offers excellent heat resistance, humidity resistance, and wear resistance characteristics. Suitable for voltage and current adjustment in ...
Product Details
BC1 25W Design
,1 to 10K Ohm
,±10 Percent Tolerance
- Maximum working voltage: 1000V with 2500V insulation voltage
- Temperature rise: 25-100W models ≤300K; ≥150W models ≤350K
- Sliding travel: 25-50W models: 280±5°; ≥100W models: 300±5°
- Linear deviation: Not greater than ±10% across entire travel
- Rotation durability: 5,000 cycles with ≥90% travel
- High temperature test: 40°C for 6 weeks with insulation resistance <1.5mΩ
| ELECTRICAL CHARACTERISTICS | ENVIRONMENT CHARACTERISTICS | ||
|---|---|---|---|
| Standard resistance range | 1Ω~5KΩ | Temperature range | -55℃~350℃ |
| Resistance tolerance | ±10% | Vibration | 10~200HZ,40m/S², 3h△R≤±3%R |
| Terminal resistance | ≤0.2% or 1Ω | Temperature cycling | -55°C,30min to 85°C,30min △R<+3%R,R1>500MΩ |
| Insulation resistance | ≥100mΩ(500Vdc) | Humidity | 40±2°C,RH:95%-98% 48h△R≤±3%R,R12100MΩ |
| Maximum temperature | 350℃ | Load durability | R≤1KΩ,5000 cycles R≤1KΩ, 1000 cycles△R≤±5%R |
| Mechanical travel | 300°±10° | Shock resistance | 60~100 times/min, 150m/s²,4000 times |