91KΩ 1/4W resistor

A 91KΩ (91,000 ohms) 1/4 watt resistor is a fixed-value resistor designed to provide a resistance of 91,000 ohms with a power dissipation capacity of up to 0.25 watts. This resistor is commonly used in electronic circuits for tasks such as voltage dividing, signal processing, and current limiting.

Key Features:

• Resistance: 91KΩ
• Power Rating: 1/4W (0.25 watts)
• Tolerance: ±5% (commonly), with ±1% available for precision types
• Temperature Coefficient: Typically ±100ppm/°C or ±200ppm/°C for general-purpose resistors

Technical Specifications:

• Resistance: 91KΩ
• Power Rating: 1/4W (0.25 watts)
• Tolerance: ±5% (J), ±1% (F), depending on the specific resistor type
• Temperature Coefficient: ±100ppm/°C or ±200ppm/°C
• Operating Temperature Range: -55°C to +155°C
• Body Size: Typically through-hole with axial leads (1/4W size)
• Material: Carbon film, metal film, or metal oxide, depending on the type

Applications:

• Current Limiting: Limits the current flow to protect sensitive components.
• Voltage Division: Used in voltage divider circuits to achieve specific voltage levels.
• Biasing: Sets operating points for transistors and other active devices in circuits.
• Signal Conditioning: Adjusts signal levels or impedances in electronic circuits.

Usage:

1. Placement: Insert the resistor into the designated positions on the PCB or circuit.
2. Insertion: Insert the resistor leads into the appropriate holes or slots.
3. Soldering: Solder the leads to the circuit board or connections and trim any excess leads.
4. Verification: Use a multimeter to measure the resistance and ensure proper installation.

Caution:

• Power Dissipation: Ensure the resistor does not exceed its 0.25-watt power rating to prevent overheating.
• Voltage Rating: Verify that the resistor’s voltage rating is suitable for your circuit to avoid damage.
• Handling: Handle with care to prevent physical damage and ensure reliable operation.