100R Ceramic Variable Resistor 25W 1 to 10K Ohm ±10 Percent Tolerance

Key Attributes

Brand Name:BONENS

Model Number:BC1

Place of Origin:Sichuan, China

Minimum Order Quantity:100

Product Summary

High Power 100Ω Ceramic Variable Resistor 25W Rheostat 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 ...

Product Details

Highlight:

100R 25W Rating

High Resolution

1 to 10K Ohm Range

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°

Nominal Resistance Range: 1 To 10K Ohm

Rated Power: 25W

Resistance: 100R

Type: Ceramic Wirewound Rheostat

Product Description

Detailed Specifications & Features

High Power 100Ω Ceramic Variable Resistor 25W Rheostat

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.

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

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

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.