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Specialized Resistors

Category Introduction

Products in the specialized resistor family are adapted for particular purposes and often have uncommon form factors as a result. Examples include resistors designed to fit across the leads of large electrolytic resistors for safety discharge purposes, liquid-cooled resistors, and low resistance shunts for use in relatively high current applications such as automotive electrical systems.

Product List

714 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusTypeApplicationsCompositionResistanceImpedanceTolerancePower (Watts)Temperature CoefficientOperating TemperatureMounting Type
WSBS8518L0500JK
WSBS8518L0500JK
RESISTOR SHUNT 50 UOHM 5% 36W
Vishay Dale
 42 $11.71
Power Metal Strip® Bulk ActiveShunt, BatteryAutomotive AEC-Q200Metal Element50 µOhms-±5%36W±200ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L0500JK20
WSBS8518L0500JK20
RESISTOR SHUNT 50 UOHM 5% 36W
Vishay Dale
 21 $19.00
Power Metal Strip® Bulk ActiveShunt, Battery-Metal Element50 µOhms-±5%36W±200ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS85181L000JK34
WSBS85181L000JK34
RESISTOR SHUNT 0.001 OHM 5% 20W
Vishay Dale
 59 $16.96
Power Metal Strip® Bulk ActiveShunt, Battery-Metal Element1 mOhms-±5%20W±25ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS85181L000JK35
WSBS85181L000JK35
RESISTOR SHUNT 0.001 OHM 5% 20W
Vishay Dale
 6 $21.16
Power Metal Strip® Bulk ActiveShunt, Battery-Metal Element1 mOhms-±5%20W±25ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1000JK
WSBS8518L1000JK
RESISTOR SHUNT 100 UOHM 5% 36W
Vishay Dale
 3 $24.71
Power Metal Strip® Bulk ActiveShunt, Battery-Metal Element100 µOhms-±5%36W±225ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L0500JTP3
WSBS8518L0500JTP3
WSBS8518-P3 .000050 5% TRAY PACK
Vishay Dale
 56 $16.36
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element50 µOhms-±5%36W±200ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1000JT14
WSBS8518L1000JT14
RESISTOR SHUNT 100 UOHM 5% 36W
Vishay Dale
 28 $15.96
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element100 µOhms-±5%36W±175ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L2500JT14
WSBS8518L2500JT14
RESISTOR SHUNT 250 UOHM 5% 36W
Vishay Dale
 19 $15.72
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element250 µOhms-±5%36W±110ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L2500JTP3
WSBS8518L2500JTP3
RESISTOR SHUNT 250 UOHM 5% 36W
Vishay Dale
 30 $16.03
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element250 µOhms-±5%36W±110ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L0500JT
WSBS8518L0500JT
RESISTOR SHUNT 50 UOHM 5% 36W
Vishay Dale
 22 $16.27
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element50 µOhms-±5%36W±200ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1000JT
WSBS8518L1000JT
RESISTOR SHUNT 100 UOHM 5% 36W
Vishay Dale
 12 $16.13
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element100 µOhms-±5%36W±175ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1250JT
WSBS8518L1250JT
RESISTOR SHUNT 125 UOHM 5% 36W
Vishay Dale
 21 $15.96
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element125 µOhms-±5%36W±175ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1000JT34
WSBS8518L1000JT34
RESISTOR SHUNT 100 UOHM 5% 36W
Vishay Dale
 35 $16.61
Power Metal Strip® Tray ActiveShunt, Battery-Metal Element100 µOhms-±5%36W±65ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8536L0250JK
WSBS8536L0250JK
25 UOHMS 5% 50W SHUNT, BATTERY S
Vishay Dale
 51 $17.79
Power Metal Strip® Bulk ActiveShunt, Battery-Metal Element25 µOhms-±5%50W--65°C ~ 170°CSurface Mount
WSBS8518L0500JT20
WSBS8518L0500JT20
RESISTOR SHUNT 50 UOHM 5% 36W
Vishay Dale
 6 $19.36
Power Metal Strip® Tray ActiveShunt, BatteryAutomotive AEC-Q200Metal Element50 µOhms-±5%36W±200ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1250JT20
WSBS8518L1250JT20
RESISTOR SHUNT 125 UOHM 5% 36W
Vishay Dale
 30 $19.36
Power Metal Strip® Tray ActiveShunt, Battery-Metal Element125 µOhms-±5%36W±175ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L2500JT20
WSBS8518L2500JT20
RESISTOR SHUNT 250 UOHM 5% 36W
Vishay Dale
 34 $19.18
Power Metal Strip® Tray ActiveShunt, Battery-Metal Element250 µOhms-±5%36W±110ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1000JT40
WSBS8518L1000JT40
RESISTOR SHUNT 100 UOHM 5% 36W
Vishay Dale
 13 $20.77
Power Metal Strip® Tray ActiveShunt, Battery-Metal Element100 µOhms-±5%36W±175ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8518L1250JT40
WSBS8518L1250JT40
RESISTOR SHUNT 125 UOHM 5% 36W
Vishay Dale
 44 $20.59
Power Metal Strip® Tray ActiveShunt, Battery-Metal Element125 µOhms-±5%36W±175ppm/°C-65°C ~ 170°CShunt Fixture, 60mm Pitch
WSBS8536L0500JK20
WSBS8536L0500JK20
50 UOHMS 5% 50W SHUNT, BATTERY S
Vishay Dale
 32 $20.25
Power Metal Strip® Bulk ActiveShunt, Battery-Metal Element50 µOhms-±5%50W--65°C ~ 170°CThrough Hole

About Specialized Resistors

What are Specialized Resistors?

Specialized Resistors

Specialized resistors are a category of resistors designed to meet specific requirements beyond the capabilities of standard resistors. These components are engineered to perform under unique conditions, such as extreme temperatures, high frequencies, or specific resistance values. Like all resistors, they function by impeding the flow of electrical current, converting electrical energy into heat. The basic operating principle involves the use of materials with specific resistive properties, allowing them to maintain consistent performance under specialized conditions.

Types of Specialized Resistors

1. Precision Resistors

Precision resistors are designed for applications requiring high accuracy and stability. They are characterized by tight tolerance levels, often within ±0.01%, and low temperature coefficients. These resistors are commonly used in measurement and calibration equipment, where precise resistance values are crucial.

2. High-Power Resistors

High-power resistors are built to handle significant power loads without overheating. They are typically used in power supply circuits, motor drives, and other high-current applications. These resistors are constructed with materials that can dissipate heat efficiently, ensuring reliability and longevity.

3. High-Frequency Resistors

Designed for RF and microwave applications, high-frequency resistors minimize inductance and capacitance to maintain performance at high frequencies. They are essential in telecommunications and radar systems, where signal integrity is paramount.

4. Temperature-Dependent Resistors (Thermistors)

Thermistors are specialized resistors whose resistance changes significantly with temperature. They are used in temperature sensing and control applications, such as thermostats and temperature compensation circuits.

5. Variable Resistors (Potentiometers)

Variable resistors, or potentiometers, allow for adjustable resistance values. They are used in applications requiring tuning or calibration, such as volume controls in audio equipment and adjustable power supplies.

How to choose Specialized Resistors?

When selecting specialized resistors, several key parameters must be considered to ensure optimal performance:

  • Resistance Value: Determine the specific resistance needed for your application, considering both the nominal value and tolerance.
  • Power Rating: Ensure the resistor can handle the power levels of your circuit without overheating.
  • Temperature Coefficient: Choose resistors with low temperature coefficients for applications requiring stability across temperature variations.
  • Frequency Response: For high-frequency applications, select resistors with minimal parasitic inductance and capacitance.
  • Material and Construction: Consider the materials used, as they affect the resistor's performance and durability.

Evaluate product quality by reviewing supplier certifications, customer reviews, and product testing results. Consider environmental factors such as humidity and temperature extremes, and ensure the resistor's installation requirements align with your system's design.

Applications of Specialized Resistors

1. Aerospace Industry

In aerospace, specialized resistors are used in avionics systems, where precision and reliability are critical. They help manage power distribution and signal processing in harsh environments.

2. Medical Devices

Medical equipment, such as MRI machines and patient monitoring systems, rely on precision resistors for accurate readings and stable performance, ensuring patient safety and diagnostic accuracy.

3. Telecommunications

High-frequency resistors are vital in telecommunications for maintaining signal integrity in RF circuits and microwave systems, supporting efficient data transmission and communication.

4. Automotive Industry

In automotive applications, resistors are used in engine control units and sensor systems, where they must withstand temperature fluctuations and vibrations while maintaining performance.

5. Consumer Electronics

Variable resistors are commonly found in consumer electronics, such as audio equipment and gaming devices, allowing users to adjust settings like volume and brightness.