Common questions about Bochen potentiometers and resistors
Browse 60 answers across six categories below, or contact our team directly for anything specific to your project.
A wirewound resistor is made by winding resistance wire around a ceramic core, offering high power handling and stability. Need help choosing? Contact us for recommendations.
It is a power resistor enclosed in an aluminum case for efficient heat dissipation, widely used in industrial applications. Send us your specs for a quick quote.
A trimmer potentiometer is a small adjustable resistor used for fine-tuning circuits during calibration.
A resistor has a fixed value, while a potentiometer allows adjustable resistance.
A braking resistor dissipates excess energy generated by motors during deceleration.
An RF resistor is designed for high-frequency applications with low VSWR and stable performance.
A variable resistor allows manual adjustment of resistance in a circuit.
It allows precise adjustment over multiple rotations, ideal for high-accuracy applications.
A resistor using a ceramic base for high temperature resistance and durability.
It indicates how much the actual resistance may vary from the nominal value.
Consider power rating, resistance value, cooling conditions, and mounting type. Aluminum housed resistors are commonly used for high power.
Power (W) = Voltage² / Resistance or Current² × Resistance. Always select a resistor with safety margin.
Check heat dissipation, mounting method, and duty cycle. Aluminum housed resistors are ideal for such applications.
Choose at least 1.5–2 times higher than actual operating power for reliability.
Consider motor power, braking torque, and duty cycle to determine resistance and wattage.
Match it with circuit requirements, typically based on voltage division needs.
A = logarithmic (audio), B = linear, C = reverse logarithmic.
Wirewound for high power; film resistor for precision and high frequency.
Focus on VSWR, impedance matching (50Ω), and frequency range.
Select high power aluminum or wirewound resistors with proper cooling design.
Braking resistors or high power aluminum housed resistors are commonly used.
Calculate energy dissipation and choose appropriate braking resistor wattage.
Ensure adequate insulation, creepage distance, and voltage rating.
Use ceramic or wirewound resistors with high thermal stability.
Choose vertical or horizontal type based on board layout.
High power aluminum resistors are used for load and energy dissipation.
Braking resistors are used to control motor deceleration.
Wirewound and aluminum housed resistors are commonly used.
Precision or high power resistors depending on application.
Load resistors or RF resistors for accurate testing.
Logarithmic (A taper) potentiometers.
RF resistors with low VSWR and stable impedance.
High power braking resistors.
High power resistors for energy absorption and control.
Robust high power resistors with strong durability.
It measures impedance matching efficiency in RF systems.
Power load, ambient temperature, and mounting conditions.
Use heat sinks, airflow, or proper mounting surfaces.
Temperature Coefficient of Resistance, indicating resistance change with temperature.
Overload, overheating, or poor cooling conditions.
Measure resistance, power load, and temperature stability.
It indicates how well a resistor resists leakage current.
Maximum voltage a resistor can withstand without breakdown.
Depends on operating conditions, typically thousands of hours under rated load.
Ability to maintain consistent resistance over time.
We are a over 25 years professional resistor and potentiometer manufacturer.
MOQ depends on product type; please contact us for details.
Yes, we support full customization based on your requirements.
Typically 15~30 days depending on quantity and product type.
Yes, samples are available for evaluation.
We provide RoHS, REACH, ISO and other relevant certifications.
Yes, we offer custom resistance, power, and dimension.
T/T, PayPal, and other methods depending on order size.
Through strict quality control and testing processes.
Yes, we support large volume production.
DHL, FedEx, UPS, air, and sea shipping.
Yes, we support freight collect with customer accounts.
Depends on shipping method and destination.
We provide warranty based on product type and agreement.
We provide replacement or solution after verification.
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