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100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance

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100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance

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Place of Origin : Sichuan, China

Brand Name : China

Model Number : BCI

MOQ : 100

Resistance : 1-10kΩ

Resistance Tolerance : ±10%

Composition : Ceramic

Operating Temperature : -55°C~+165°C

Number of Resistors : 1

Size : 106*48*120mm

Extreme Voltage : 1000V

Insulation Voltage : 2500V

Temperature Rise : ≤300K (25-100W), ≤350K (≥150W)

Sliding Itinerary : 280±5° (25-50W), 300±5° (≥100W)

Linear Deviation : ≤±10%

Rotation Cycles : 5000 weeks

Insulation Resistance : ≥100mΩ (500Vdc)

Maximum Heating : 350℃

Head Itinerary : 300°±10°

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High Power 100Ω Ceramic Variable Resistor 25W Rheostat
100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance 100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance 100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance 100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance
The BC-1 wire wound resistor features high resolution capability with a wide resistance range. It offers excellent heat resistance, humidity resistance, and wear resistance characteristics. Suitable for voltage and current adjustment in power equipment and circuits not exceeding 380V AC or 220V DC.
Technical Specifications
  • Maximum working voltage: 1000V (insulation voltage 2500V)
  • 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
  • Control shaft rotation: 5,000 cycles within travel of not less than 90%
  • High temperature test: 40°C for 6 weeks (6 days), insulation resistance less than 1.5MΩ
The BC1 series of rotor-arm sliding wire porcelain disk variants are designed for voltage and current adjustment in industrial electrical equipment up to 500 volts. The resistor uses a round ceramic skeleton with constantan or nichrome wire as resistance material, coated with high-temperature enamel except for the sliding contact surface. Features a protective metal case with handwheel operation.
100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance
Performance Characteristics
Electrical Characteristics Environmental Characteristics
Standard resistance range 1Ω~5KΩ Temperature range -55℃~350℃
Resistance tolerance ±10% Vibration 10~200Hz, 40m/S², 3h ΔR≤±3%R
Terminal resistance ≤0.2% or 1Ω Temperature cycling -55°C/30min, 85°C/30min ΔR<+3%R, R1>500MΩ
Insulation resistance ≥100MΩ (500Vdc) Humidity 40±2°C, RH:95%-98% 48h ΔR≤±3%R, R≥100MΩ
Maximum heating temperature 350℃ Load endurance R≤1KΩ: 5000 cycles; R>1KΩ: 1000 cycles ΔR≤±5%R
Mechanical travel 300°±10° Shock resistance 60-100 times/min, 150m/s², 4000 times
100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance
Applications
Suitable for telecommunications, railway transportation, electrical equipment, medical devices, industrial equipment, and low-frequency AC/DC electrical equipment requiring voltage/current regulation or adjustable load resistance.
Product Dimensions
100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance 100r Ceramic Variable Resistor 25W 1-10kΩ ±10% Tolerance
Frequently Asked Questions
Q: How can I place an order?
A: Contact us by email with your order details or place your order online.
Q: What payment methods do you accept?
A: We accept T/T, PayPal, and Western Union after PI confirmation.
Q: What is your order procedure?
A: We discuss order details, issue a PI for confirmation, require deposit payment, begin production (7-15 days if not in stock), arrange shipment after balance payment.
Q: What is your policy for defective products?
A: We replace defective items or credit your account, typically in the next shipment.
Q: How do you ensure product quality?
A: We conduct spot inspections during production and finished product inspections before shipment.

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