2.2K Ohm 1/8W Through Hole Resistor (Pack of 5000)

The 2.2K Ohm 1/8W Through Hole Resistor is a precision carbon film resistor designed for general-purpose electronic circuits, offering reliable current limiting and voltage division in breadboard prototypes, PCB designs, and educational electronics projects. Professional electronics engineers, hobbyists, and manufacturing technicians rely on bulk packs of these resistors to build signal conditioning circuits, pull-up/pull-down networks, and LED current-limiting applications across diverse voltage ranges. This resistor pack solves the critical challenge of maintaining consistent resistance values while minimizing component costs in high-volume production runs and prototyping workflows.

Product Overview

The 2.2K Ohm 1/8W Through Hole Resistor operates on the fundamental principle of Ohmic resistance, where electrical current flowing through the carbon film element experiences a predictable voltage drop proportional to the applied voltage. The 1/8 watt power rating indicates the maximum continuous power dissipation capacity, making this resistor ideal for low-power signal circuits where current typically remains below 7.5mA at standard operating voltages. The through-hole configuration features two radial leads optimized for manual insertion into breadboards, perfboards, and PCB holes, ensuring secure mechanical retention and reliable electrical contact without requiring surface mount equipment.

This resistor pack of 5000 units delivers exceptional value for electronics manufacturers, educational institutions, and professional technicians who require consistent component availability without frequent reordering. The carbon film construction provides superior frequency stability compared to carbon composition resistors, with minimal noise generation in audio and precision measurement circuits. Each resistor maintains tight tolerance specifications, typically within 5 percent of the nominal 2.2K Ohm value, ensuring predictable circuit behavior across temperature ranges from -55 degrees Celsius to +125 degrees Celsius, making these components suitable for both indoor laboratory environments and industrial applications.

Key Specifications

Specification	Details
Product Type	Carbon Film Through Hole Resistor
Resistance Value	2.2K Ohm
Power Rating	1/8 Watt (0.125W)
Tolerance	5 Percent
Temperature Coefficient	100 ppm/Degree Celsius
Operating Temperature Range	-55 Degrees Celsius to +125 Degrees Celsius
Lead Configuration	Axial Through Hole
Frequency Response	Stable up to 100 MHz
Quantity per Pack	5000 Units
Brand	Standard Grade Electronics
Origin	Original and Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• Precision Carbon Film Construction: Delivers stable 2.2K Ohm resistance with minimal drift across temperature variations and frequency ranges up to 100 MHz, ensuring accurate voltage division and current limiting in sensitive analog circuits
• Low Power Dissipation Rating: 1/8 watt capacity handles typical signal-level applications with maximum safe current of 7.5mA at 1.65 volts, preventing thermal runaway in compact circuit designs
• Bulk Pack Economy: 5000 unit quantity eliminates recurring procurement delays and reduces per-unit cost by up to 40 percent compared to smaller retail packages, ideal for manufacturing and educational institutions
• Wide Temperature Stability: Operates reliably from -55 degrees Celsius to +125 degrees Celsius with 100 ppm per degree Celsius temperature coefficient, maintaining circuit performance across seasonal and environmental variations
• Through Hole Compatibility: Axial lead design fits standard 0.1 inch breadboard spacing and PCB hole patterns, enabling rapid manual assembly without specialized soldering equipment
• Tight Tolerance Specification: 5 percent tolerance ensures predictable circuit behavior and reduces design margin requirements in precision applications

Applications and Use Cases

• LED Current Limiting Circuits: Use 2.2K Ohm resistors in series with LEDs operating at 5 volts to limit forward current to approximately 1.3mA, protecting LED junctions and extending operational lifespan in indicator lamp applications
• Microcontroller Pull-Up Networks: Configure as pull-up resistors on digital input lines and I2C communication buses where 2.2K Ohm values provide optimal impedance matching for logic-level signals with minimal power consumption
• Audio Signal Conditioning: Implement in preamp input networks and tone control circuits where carbon film construction minimizes noise floor and maintains signal fidelity in low-level audio processing stages
• Voltage Divider Networks: Combine multiple 2.2K Ohm resistors to create precision voltage reference circuits and analog sensor signal scaling for analog-to-digital converter input conditioning
• Oscillator Biasing: Deploy in RC timing networks and oscillator feedback paths where stable resistance values ensure consistent frequency generation and duty cycle control in timer IC applications
• Educational Electronics Projects: Provide bulk quantities for electronics curriculum delivery, student breadboard experiments, and maker space community workshops without inventory constraints

How to Use

To integrate 2.2K Ohm resistors into your circuit, first identify the circuit node requiring current limiting or voltage division based on your schematic design. Insert the resistor leads into breadboard sockets or PCB holes, ensuring secure mechanical contact without bending the leads excessively, which can cause internal fractures. For permanent installations, solder the resistor leads to PCB pads using a 25 to 40 watt soldering iron with rosin core solder, applying heat for 2 to 3 seconds until solder flows smoothly around the connection point. Verify proper installation by measuring resistance with a digital multimeter, confirming the reading falls within the 2.09K to 2.31K Ohm range accounting for 5 percent tolerance.

When designing circuits using these resistors, calculate maximum current using Ohm's law (I equals V divided by R) to ensure the current remains below 7.5mA, preventing thermal stress on the 1/8 watt component. For temperature-sensitive applications, account for the 100 ppm per degree Celsius drift by selecting resistor values that maintain circuit function across your operating temperature range. In high-frequency circuits above 10 MHz, minimize lead lengths and maintain component spacing to reduce parasitic inductance effects. Store unused resistors in dry conditions between 10 and 35 degrees Celsius, protecting them from moisture and mechanical damage that could degrade performance or cause open circuit failures.

Frequently Asked Questions

What is the maximum current I can safely pass through a 2.2K Ohm 1/8W resistor?

The maximum safe current is determined by the power rating using the formula P equals I squared times R. With 0.125 watts and 2200 ohms, the maximum current is approximately 7.5 milliamps. Operating at this current level generates the full 0.125 watts of heat dissipation. For reliable long-term operation, limit continuous current to 5 milliamps or less, leaving thermal safety margin. Always verify your circuit design does not exceed these limits to prevent resistor failure and potential fire hazards.

Can I use these 2.2K Ohm resistors for audio applications?

Yes, carbon film resistors like these are excellent for audio applications. The carbon film construction produces lower noise compared to carbon composition resistors, making them suitable for preamp input networks, tone control circuits, and signal conditioning stages. However, for ultra-low-noise audio applications requiring noise figures below 10 nanovolts per root Hertz, consider metal film resistors as a premium alternative. The 5 percent tolerance is generally acceptable for most audio circuits where precise impedance matching is not critical.

What is the temperature coefficient and how does it affect my circuit?

The temperature coefficient of 100 ppm per degree Celsius means the resistance changes by 0.01 percent for every 1 degree Celsius temperature change. Across a 50 degree Celsius operating range, the total resistance drift is approximately 0.5 percent, which is negligible in most applications. For precision measurement circuits or oscillators requiring frequency stability, this drift becomes significant and you should select metal film resistors with temperature coefficients below 25 ppm per degree Celsius.

Are these resistors suitable for surface mount PCB assembly?

No, these are through-hole resistors with axial leads designed for insertion into PCB holes. Surface mount assembly requires SMD resistor packages in 0603, 0805, or 1206 sizes. Through-hole components are ideal for manual assembly, prototyping, and educational applications where soldering equipment is basic or non-existent. If you require surface mount components, contact our sales team for alternative SMD resistor options in the same resistance value and power rating.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy 2.2K Ohm 1/8W Through Hole Resistor (Pack of 5000) Online in India

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