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BC1 25W Variable Resistor 1 Ohm to 10K Ohm ±10 Percent Tolerance

BC1 25W Variable Resistor 1 Ohm to 10K Ohm ±10 Percent Tolerance

Key Attributes

Brand Name:BONENS
Model Number:BC1 25W Resistor
Place of Origin:Sichuan, China
Minimum Order Quantity:100

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

Highlight:

BC1 25W Design

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1 to 10K Ohm

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±10 Percent Tolerance

Resistance Range: 1Ω-10KΩ
Resistance Tolerance: ±10%
Power Rating: 25W
Max Voltage: 380V AC / 220V DC
Insulation Voltage: 2500V
Temperature Rise: ≤300K (25-100W), ≤350K (≥150W)
Sliding Travel: 280±5° (25-50W), 300±5° (≥100W)
Linear Deviation: ≤±10%
Rotation Cycles: 5000 Weeks
Insulation Resistance: ≥100MΩ (500Vdc)
Max Temperature: 350℃
Mechanical Travel: 300°±10°
Operating Temperature: -55℃~350℃
Vibration Resistance: 10~200Hz, 40m/S²
Terminal Resistance: ≤0.2% Or 1Ω
Nominal Resistance Range: 1 To 10K Ohm
Rated Power: 25W
Type: Wirewound Variable Resistor
Product Description
Detailed Specifications & Features
BC1 25W Variable Resistor Rheostat
BC1 Variable Resistor overview BC1 Resistor close-up view BC1 Resistor side view BC1 Resistor technical details
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 power equipment and circuits not exceeding 380V AC or 220V DC.
Technical Specifications
  • 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
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 high-temperature enamel-coated resistance wire wound on a ceramic skeleton, with a sliding contact mechanism for variable resistance. The unit features a protective metal enclosure with handwheel operation.
Technical Parameters
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
Applications
Suitable for telecommunications, railway transportation, electrical equipment, medical devices, industrial machinery, and low-frequency AC/DC electrical equipment requiring voltage/current regulation or adjustable load resistance.
Product Dimensions
BC1 Resistor dimensional drawing BC1 Resistor size reference
Frequently Asked Questions
How can I place an order?
You can contact us by email about your order details, or place order online.
How can I pay?
After confirming our PI, we will request payment via T/T, Paypal, or Western Union.
What's the order procedure?
We discuss order details via email, issue a PI for confirmation, then require prepayment before production (7-15 days lead time). Before completion, we confirm shipment details and balance payment.
How do you handle defective products?
We replace defective items or credit the customer, typically in the next shipment.
How do you ensure product quality?
We conduct spot inspections during production and finished product inspections before shipment.