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47k Ohm 1/4w 1206 Resistor(Reel of 5000)
The 47k Ohm 1/4w 1206 Resistor is a precision thin-film surface-mount component designed for high-density PCB applications requiring stable resistance values and minimal tolerance drift. Professional electronics engineers and PCB manufacturers rely on this resistor for signal conditioning circuits, voltage dividers, and biasing networks where accuracy and reliability are critical. This bulk reel of 5000 units solves the component sourcing challenge for production runs, prototyping labs, and contract manufacturers needing consistent quality without frequent reordering.
Product Overview
The 47k Ohm 1/4w 1206 Resistor operates on the fundamental principle of ohmic resistance, where electrical current flowing through the component experiences a predictable voltage drop proportional to the applied voltage and resistance value. The 1206 package format (3.2mm x 1.6mm) represents an industry-standard surface-mount configuration that balances component density with hand-soldering accessibility and automated pick-and-place compatibility. The 1/4w power rating indicates the maximum safe continuous power dissipation before thermal damage occurs, making this component suitable for low-power signal processing applications where dissipated power typically remains below 62.5mW under normal operating conditions.
This resistor excels in applications requiring tight tolerance specifications and temperature coefficient stability across industrial operating ranges. The 1206 form factor provides superior thermal management compared to smaller packages like 0805 or 0603, allowing heat to dissipate more effectively through the PCB substrate and solder connections. The bulk reel packaging of 5000 units ensures consistent manufacturing batches with identical specifications, critical for production environments where component variation can introduce circuit performance anomalies or yield losses.
Key Specifications
| Specification | Details |
| Product Type | Thin-Film Surface-Mount Resistor |
| Resistance Value | 47 kOhm |
| Power Rating | 1/4 Watt (0.25W) |
| Package Size | 1206 (3.2mm x 1.6mm) |
| Tolerance | ±1% or ±5% (standard) |
| Temperature Coefficient | ±100 ppm/°C (typical) |
| Operating Temperature Range | -55°C to +155°C |
| Quantity per Reel | 5000 units |
| Reel Diameter | 13 inches (330mm) |
| Origin | Original/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 Tolerance: ±1% tolerance ensures accurate voltage divider ratios and biasing networks with minimal circuit performance deviation across production batches
- Bulk Reel Format: 5000-unit reel reduces component handling time and storage requirements for manufacturing operations while maintaining consistent specifications throughout the production run
- Wide Temperature Range: Operating from -55°C to +155°C with low temperature coefficient of ±100 ppm/°C provides stable resistance values across automotive, industrial, and aerospace applications
- Automated Assembly Compatible: 1206 package size works seamlessly with standard pick-and-place equipment and reflow soldering processes without special handling requirements
- Low Parasitic Effects: Thin-film construction minimizes frequency-dependent impedance variation, making this resistor suitable for analog signal conditioning up to several MHz
- RoHS Compliant: Lead-free solder-compatible component meets environmental regulations for commercial and industrial electronics manufacturing
Applications and Use Cases
- Voltage Divider Networks: 47k Ohm resistors form precision voltage dividers in analog-to-digital converter input conditioning circuits where accurate scaling of sensor signals to microcontroller input ranges is essential
- Transimpedance Amplifier Feedback: Used as feedback resistors in photodiode amplifier circuits where 47k Ohm value provides optimal gain-bandwidth product for light detection applications in industrial sensors
- Pull-up and Pull-down Resistors: Implements logic-level conditioning in digital circuits, I2C bus termination networks, and GPIO configurations requiring moderate impedance values
- Audio Signal Processing: Serves as coupling resistor and biasing element in audio preamplifier stages, microphone input circuits, and line-level signal conditioning where impedance matching is critical
- Power Supply Reference Networks: Forms voltage reference dividers in switching power supplies and linear regulators where stable resistance ensures consistent output voltage regulation
- Temperature Compensation Networks: Combines with thermistors in temperature-sensing circuits where 47k Ohm value provides optimal impedance matching for RTD and thermistor signal conditioning
How to Use
Proper installation of 47k Ohm 1206 resistors begins with verifying component specifications against your circuit schematic, confirming the resistance value matches design requirements and tolerance specifications align with circuit accuracy needs. Before soldering, inspect the component reel for physical damage and verify the manufacturing date code falls within acceptable age limits for your application. When using automated pick-and-place equipment, ensure feeder calibration matches the 1206 package dimensions and that vacuum nozzles apply appropriate pressure to prevent component deformation during handling.
During reflow soldering, maintain solder temperature profiles within manufacturer specifications, typically reaching peak temperatures of 245-260°C for 10-30 seconds to ensure proper solder wetting without thermal stress to the resistor element. After assembly, perform visual inspection under magnification to confirm proper solder joint formation without bridges or cold joints that could cause intermittent circuit failures. For hand-soldering applications, apply solder iron temperatures around 350°C for 3-5 seconds per pad, avoiding prolonged heating that could damage the thin-film resistive element or degrade the component's temperature coefficient characteristics.
Frequently Asked Questions
What is the difference between 1% and 5% tolerance resistors for my application?
1% tolerance resistors maintain resistance values within ±1% of the nominal 47k Ohm specification, suitable for precision analog circuits like instrumentation amplifiers, data acquisition systems, and audio applications where signal accuracy directly impacts system performance. 5% tolerance resistors vary up to ±5%, acceptable for general-purpose digital logic, power supply biasing, and applications where circuit design includes compensation or feedback loops that automatically adjust for component variation. For critical analog applications, select 1% tolerance; for cost-sensitive digital designs, 5% tolerance provides adequate performance.
Can I use these 1206 resistors in high-frequency circuits above 100 MHz?
While 1206 thin-film resistors function at frequencies above 100 MHz, parasitic inductance and capacitance become increasingly significant factors affecting impedance accuracy. For RF and microwave applications above 100 MHz, consider thick-film chip resistors specifically designed for high-frequency operation or use surface-mount networks that integrate multiple resistors with optimized layout. For general analog and digital applications below 50 MHz, 1206 resistors perform excellently without frequency-dependent impedance issues.
How should I store the 5000-unit reel to maintain component quality?
Store the sealed component reel in a dry environment at room temperature (20-25°C) with relative humidity below 60% to prevent moisture absorption that could compromise solder wettability. Keep the reel in its original packaging with desiccant packs intact until assembly begins. Once opened, use components within 6-12 months depending on environmental conditions; if storage exceeds this period in humid environments, bake the reel at 125°C for 4-8 hours before assembly to remove absorbed moisture.
What power dissipation occurs at maximum rated current for 47k Ohm 1/4w resistors?
Maximum safe current through a 1/4w 47k Ohm resistor calculates as: I = sqrt(P/R) = sqrt(0.25/47000) = 2.3mA. At this current, power dissipation reaches exactly 0.25W. For safe operation, limit continuous current to approximately 1.5-2mA, ensuring power dissipation stays below 150mW and providing safety margin for temperature variations and component aging.
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 certificates for every reel batch
- Expert Team: Our technical team validates component specifications and manufacturing dates before listing inventory
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse with real-time tracking updates
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available for flexible purchasing
- Technical Support: 24/7 expert guidance via email and WhatsApp for component selection and application design
- Returns: 7-day return policy on manufacturing defects only with hassle-free replacement process
Buy 47k Ohm 1/4w 1206 Resistor(Reel of 5000) Online in India
Purchase the 47k Ohm 1/4w 1206 Resistor(Reel of 5000) online at The Engineer Store, India's trusted source for genuine electronics components. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 47k Ohm 1/4w 1206 Resistor(Reel of 5000) with fast shipping and expert technical support for your production and prototyping needs.
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47k Ohm 1/4w 1206 Resistor(Reel of 5000)
The 47k Ohm 1/4w 1206 Resistor is a precision thin-film surface-mount component designed for high-density PCB applications requiring stable resistance values and minimal tolerance drift. Professional electronics engineers and PCB manufacturers rely on this resistor for signal conditioning circuits, voltage dividers, and biasing networks where accuracy and reliability are critical. This bulk reel of 5000 units solves the component sourcing challenge for production runs, prototyping labs, and contract manufacturers needing consistent quality without frequent reordering.
Product Overview
The 47k Ohm 1/4w 1206 Resistor operates on the fundamental principle of ohmic resistance, where electrical current flowing through the component experiences a predictable voltage drop proportional to the applied voltage and resistance value. The 1206 package format (3.2mm x 1.6mm) represents an industry-standard surface-mount configuration that balances component density with hand-soldering accessibility and automated pick-and-place compatibility. The 1/4w power rating indicates the maximum safe continuous power dissipation before thermal damage occurs, making this component suitable for low-power signal processing applications where dissipated power typically remains below 62.5mW under normal operating conditions.
This resistor excels in applications requiring tight tolerance specifications and temperature coefficient stability across industrial operating ranges. The 1206 form factor provides superior thermal management compared to smaller packages like 0805 or 0603, allowing heat to dissipate more effectively through the PCB substrate and solder connections. The bulk reel packaging of 5000 units ensures consistent manufacturing batches with identical specifications, critical for production environments where component variation can introduce circuit performance anomalies or yield losses.
Key Specifications
| Specification | Details |
| Product Type | Thin-Film Surface-Mount Resistor |
| Resistance Value | 47 kOhm |
| Power Rating | 1/4 Watt (0.25W) |
| Package Size | 1206 (3.2mm x 1.6mm) |
| Tolerance | ±1% or ±5% (standard) |
| Temperature Coefficient | ±100 ppm/°C (typical) |
| Operating Temperature Range | -55°C to +155°C |
| Quantity per Reel | 5000 units |
| Reel Diameter | 13 inches (330mm) |
| Origin | Original/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 Tolerance: ±1% tolerance ensures accurate voltage divider ratios and biasing networks with minimal circuit performance deviation across production batches
- Bulk Reel Format: 5000-unit reel reduces component handling time and storage requirements for manufacturing operations while maintaining consistent specifications throughout the production run
- Wide Temperature Range: Operating from -55°C to +155°C with low temperature coefficient of ±100 ppm/°C provides stable resistance values across automotive, industrial, and aerospace applications
- Automated Assembly Compatible: 1206 package size works seamlessly with standard pick-and-place equipment and reflow soldering processes without special handling requirements
- Low Parasitic Effects: Thin-film construction minimizes frequency-dependent impedance variation, making this resistor suitable for analog signal conditioning up to several MHz
- RoHS Compliant: Lead-free solder-compatible component meets environmental regulations for commercial and industrial electronics manufacturing
Applications and Use Cases
- Voltage Divider Networks: 47k Ohm resistors form precision voltage dividers in analog-to-digital converter input conditioning circuits where accurate scaling of sensor signals to microcontroller input ranges is essential
- Transimpedance Amplifier Feedback: Used as feedback resistors in photodiode amplifier circuits where 47k Ohm value provides optimal gain-bandwidth product for light detection applications in industrial sensors
- Pull-up and Pull-down Resistors: Implements logic-level conditioning in digital circuits, I2C bus termination networks, and GPIO configurations requiring moderate impedance values
- Audio Signal Processing: Serves as coupling resistor and biasing element in audio preamplifier stages, microphone input circuits, and line-level signal conditioning where impedance matching is critical
- Power Supply Reference Networks: Forms voltage reference dividers in switching power supplies and linear regulators where stable resistance ensures consistent output voltage regulation
- Temperature Compensation Networks: Combines with thermistors in temperature-sensing circuits where 47k Ohm value provides optimal impedance matching for RTD and thermistor signal conditioning
How to Use
Proper installation of 47k Ohm 1206 resistors begins with verifying component specifications against your circuit schematic, confirming the resistance value matches design requirements and tolerance specifications align with circuit accuracy needs. Before soldering, inspect the component reel for physical damage and verify the manufacturing date code falls within acceptable age limits for your application. When using automated pick-and-place equipment, ensure feeder calibration matches the 1206 package dimensions and that vacuum nozzles apply appropriate pressure to prevent component deformation during handling.
During reflow soldering, maintain solder temperature profiles within manufacturer specifications, typically reaching peak temperatures of 245-260°C for 10-30 seconds to ensure proper solder wetting without thermal stress to the resistor element. After assembly, perform visual inspection under magnification to confirm proper solder joint formation without bridges or cold joints that could cause intermittent circuit failures. For hand-soldering applications, apply solder iron temperatures around 350°C for 3-5 seconds per pad, avoiding prolonged heating that could damage the thin-film resistive element or degrade the component's temperature coefficient characteristics.
Frequently Asked Questions
What is the difference between 1% and 5% tolerance resistors for my application?
1% tolerance resistors maintain resistance values within ±1% of the nominal 47k Ohm specification, suitable for precision analog circuits like instrumentation amplifiers, data acquisition systems, and audio applications where signal accuracy directly impacts system performance. 5% tolerance resistors vary up to ±5%, acceptable for general-purpose digital logic, power supply biasing, and applications where circuit design includes compensation or feedback loops that automatically adjust for component variation. For critical analog applications, select 1% tolerance; for cost-sensitive digital designs, 5% tolerance provides adequate performance.
Can I use these 1206 resistors in high-frequency circuits above 100 MHz?
While 1206 thin-film resistors function at frequencies above 100 MHz, parasitic inductance and capacitance become increasingly significant factors affecting impedance accuracy. For RF and microwave applications above 100 MHz, consider thick-film chip resistors specifically designed for high-frequency operation or use surface-mount networks that integrate multiple resistors with optimized layout. For general analog and digital applications below 50 MHz, 1206 resistors perform excellently without frequency-dependent impedance issues.
How should I store the 5000-unit reel to maintain component quality?
Store the sealed component reel in a dry environment at room temperature (20-25°C) with relative humidity below 60% to prevent moisture absorption that could compromise solder wettability. Keep the reel in its original packaging with desiccant packs intact until assembly begins. Once opened, use components within 6-12 months depending on environmental conditions; if storage exceeds this period in humid environments, bake the reel at 125°C for 4-8 hours before assembly to remove absorbed moisture.
What power dissipation occurs at maximum rated current for 47k Ohm 1/4w resistors?
Maximum safe current through a 1/4w 47k Ohm resistor calculates as: I = sqrt(P/R) = sqrt(0.25/47000) = 2.3mA. At this current, power dissipation reaches exactly 0.25W. For safe operation, limit continuous current to approximately 1.5-2mA, ensuring power dissipation stays below 150mW and providing safety margin for temperature variations and component aging.
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 certificates for every reel batch
- Expert Team: Our technical team validates component specifications and manufacturing dates before listing inventory
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse with real-time tracking updates
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available for flexible purchasing
- Technical Support: 24/7 expert guidance via email and WhatsApp for component selection and application design
- Returns: 7-day return policy on manufacturing defects only with hassle-free replacement process
Buy 47k Ohm 1/4w 1206 Resistor(Reel of 5000) Online in India
Purchase the 47k Ohm 1/4w 1206 Resistor(Reel of 5000) online at The Engineer Store, India's trusted source for genuine electronics components. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 47k Ohm 1/4w 1206 Resistor(Reel of 5000) with fast shipping and expert technical support for your production and prototyping needs.
Our team in