82k Ohm 0.5watt 5% Carbon Film Resistor

Description

Technical Overview of the 82k Ohm 0.5watt 5% CFR Resistor

The 82k Ohm 0.5watt 5% CFR Resistor is a high-stability passive component designed for reliable current limiting and voltage division in precision circuits. With a resistance value of 82,000 Ohms, this component is frequently utilized in analog signal processing and high-impedance networks. As a Carbon Film Resistor (CFR), it offers a consistent resistance-to-temperature ratio, ensuring that your circuit performs predictably under various operating conditions. At BuyCircuitParts, we supply these resistors to ensure that our customers have access to industrial-grade components that keep their electronic projects “on track.”

Key Specifications and Mechanical Data

To ensure this resistor meets your design’s electrical requirements, here are the technical parameters for the 82k Ohm 0.5watt 5% CFR Resistor:

• Resistance Value: 82k Ohm (82,000 Ohms).

• Power Rating: 0.5 Watt (1/2 Watt).

• Tolerance: ±5% (Standard Gold Band).

• Technology: Carbon Film (CFR).

• Lead Type: Axial Leaded Through-hole.

• Maximum Working Voltage: 350V.

• Operating Temperature Range: -55°C to +155°C.

• Color Code: Grey, Red, Orange, Gold.

Enhanced Thermal Management with 0.5W Rating

The 82k Ohm 0.5watt 5% CFR Resistor is specifically chosen by engineers who require more thermal headroom than what a standard 0.25W resistor can provide. Even in high-resistance applications like 82k, where current flow is low, the 0.5-watt power rating ensures that the resistor stays cooler during operation. This reduced heat buildup prevents “resistance drift,” keeping your circuit’s parameters within their specified ±5% tolerance. At BuyCircuitParts, we emphasize the use of 0.5W CFR series resistors for our customers who build power supplies or audio equipment where long-term component reliability is paramount.

Common Applications for the 82k Ohm Resistor

The 82k Ohm 0.5watt 5% CFR Resistor is a versatile component found in a wide range of electronic devices:

1. Audio Preamplifiers: Used for setting input impedance and biasing transistor stages for clear signal amplification.

2. Digital Logic: Acts as an ideal pull-up resistor for 12V or 24V control systems to prevent noise-induced false triggers.

3. Voltage Dividers: Essential for scaling down high-voltage signals for safe monitoring by ADCs and microcontrollers.

4. RC Timing Circuits: Pairs with capacitors to create specific time delays in oscillation and pulse-shaping circuits.

5. Bleeder Resistors: Used in low-current power modules to safely discharge stored energy in capacitors after power-down.

Industrial-Grade Construction for Stability

Every 82k Ohm 0.5watt 5% CFR Resistor in our stock is constructed using a high-purity ceramic core with a precision-applied carbon film. This film is spirally cut to achieve the exact 82,000 Ohm resistance and is protected by a multi-layer, flame-retardant epoxy coating. This robust coating shields the resistor from environmental moisture and mechanical vibration, which are common causes of failure in lower-quality parts. By sourcing your 82k Ohm 0.5watt 5% CFR Resistor from BuyCircuitParts, you are investing in a component that is built to last.

Decoding the 82k Color Code (Grey, Red, Orange, Gold)

Identifying the 82k Ohm 0.5watt 5% CFR Resistor on a busy workbench is simple thanks to the standard 4-band color system:

• Band 1 (Grey): First significant digit (8).

• Band 2 (Red): Second significant digit (2).

• Band 3 (Orange): Multiplier (x1,000).

• Band 4 (Gold): Tolerance (±5%). At BuyCircuitParts, we ensure that the color bands on our resistors are sharp and durable, ensuring they remain legible even after exposure to soldering heat or cleaning solvents.

Why Choose BuyCircuitParts as Your Component Seller?

We understand that as a seller, our reputation depends on the quality of the parts we provide. A poor-quality 82k Ohm 0.5watt 5% CFR Resistor often has thin, brittle leads that make soldering difficult. Our resistors are sourced with high-purity tinned copper leads, designed for excellent solder “wetting” and mechanical strength. This results in cleaner solder joints and more reliable electrical connections. With our commitment to competitive pricing and fast shipping, BuyCircuitParts is your trusted source for keeping your production and DIY projects “on track.”

📐 Dimensions (Approx):
Length: 9.2 mm × Diameter: 3.2 mm
Lead Length: ~28 mm (can be trimmed)

🧊 Note:
Product colour and markings may vary slightly based on manufacturer and batch. Functionality is guaranteed. (Refer to the product image for illustration only. For precise specifications, consult the datasheet.) For a detailed breakdown of resistor technology and standards, visit the Resistor Technology Wikipedia Page.

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