39Ω 1/4W resistor

A 39Ω (ohms) 1/4 watt resistor is used in electronic circuits to provide a resistance of 39 ohms with a power dissipation rating of up to 0.25 watts. It is ideal for applications that require precise resistance values with minimal power consumption.

Key Features:

• Resistance: 39Ω
• Power Rating: 1/4W (0.25 watts)
• Tolerance: ±5% (commonly), with ±1% available for precision applications
• Temperature Coefficient: Typically ±100ppm/°C or ±200ppm/°C

Technical Specifications:

• Resistance: 39Ω
• Power Rating: 1/4W (0.25 watts)
• Tolerance: ±5% (J), ±1% (F), depending on the 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 resistor type

Applications:

• Current Limiting: Used to limit current flow in various electronic devices.
• Voltage Dividers: Helps in creating voltage references within circuits.
• Biasing: Provides specific resistance values for setting bias points in electronic components.
• Pull-up/Pull-down Resistors: Ensures correct logic levels in digital circuits.

Usage:

1. Placement: Insert the resistor into the designated position on the circuit board.
2. Insertion: Pass the leads through the holes or slots on the board.
3. Soldering: Solder the leads in place and trim any excess for a secure connection.
4. Verification: Check the resistor value with a multimeter to confirm it matches the required specifications.

Caution:

• Power Dissipation: Do not exceed the 0.25-watt power rating to avoid overheating and potential damage.
• Voltage Rating: Ensure the resistor’s voltage rating is suitable for your circuit requirements.
• Handling: Handle with care during installation to avoid damage.