The Ohmite CB20J100K is a high-power wirewound resistor designed for applications requiring precise resistance and robust performance.

Description

The CB20J100K is a 100,000-ohm (100kΩ) resistor with a power rating of 20 watts. It features a ±5% tolerance and a temperature coefficient of ±260ppm/°C, ensuring stable operation across varying temperatures. The resistor is constructed with a flame-retardant coating, enhancing safety and durability in demanding environments.

Features

• High Power Rating: Capable of dissipating up to 20 watts, suitable for high-power applications.
• Precision Resistance: Offers a resistance value of 100kΩ with a ±5% tolerance, ensuring accurate performance.
• Temperature Stability: Maintains consistent performance with a temperature coefficient of ±260ppm/°C.
• Flame-Retardant Coating: Provides enhanced safety and reliability in various operating conditions.
• Through-Hole Mounting: Designed for through-hole installation, facilitating secure and stable placement on printed circuit boards.

Types

The CB20J100K is part of Ohmite's 100 and 200 Series of ceramic composition resistors, which are available in various resistance values and power ratings to accommodate diverse application requirements.

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Applications

This resistor is suitable for a wide range of applications, including:

• DC Coupling and Filter Capacitor Discharge: Used in circuits to couple DC signals and discharge filter capacitors safely.
• Voltage Balancing: Ensures equal voltage distribution across components in series configurations.
• Pre-Charge / Inrush Current Limiting: Limits inrush current during power-up to protect sensitive components.
• Voltage Divider: Divides voltage to desired levels in various circuit designs.
• Filter: Removes unwanted frequencies from signals in electronic circuits.
• Snubber: Protects circuits from voltage spikes by damping oscillations.
• Crowbar: Provides over-voltage protection by shorting the supply in fault conditions.
• Measuring EMI / EFI: Assists in measuring electromagnetic and electric field interference.
• Test Circuits: Serves as a reliable component in various test and measurement setups.
• Test Loads: Acts as a load for testing power supplies and other circuits.

The Ohmite CB20J100K's combination of high power handling, precision, and safety features makes it a versatile choice for engineers and designers working on applications that demand reliable resistor performance.