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3.3K Ohm 1/4w 1206 Resistor(Reel of 5000)
The 3.3K Ohm 1/4w 1206 Resistor is a precision surface-mount component designed for high-volume PCB assembly and prototyping applications. This reel of 5000 units provides professional-grade resistors with tight tolerance ratings suitable for signal conditioning, voltage divider networks, and pull-up/pull-down circuits in digital and analog electronics. Electronics engineers, PCB manufacturers, and hobbyists rely on these components to ensure circuit stability, accurate signal processing, and reliable component placement in automated assembly lines.
Product Overview
The 3.3K Ohm 1/4w 1206 resistor operates on the principle of electrical resistance, converting electrical energy into heat according to Ohm's Law (V=IR). The 1206 package format (3.2mm x 1.6mm) is an industry-standard surface-mount device (SMD) that provides excellent solderability, mechanical strength, and thermal dissipation characteristics. With a power rating of 1/4 watt (0.25W), these resistors can safely handle currents up to approximately 8.7mA at rated voltage, making them ideal for logic-level circuits, sensor interfaces, and moderate-power signal processing applications.
This bulk reel of 5000 units is specifically engineered for manufacturing environments where consistent quality and cost-efficiency are critical. The resistors feature a ceramic substrate with metal film construction, delivering stable resistance values across temperature ranges from -55°C to +125°C. The tight tolerance specifications ensure predictable circuit behavior in precision applications such as audio amplifiers, instrumentation circuits, and communication systems. Sourcing in bulk quantities from The Engineer Store eliminates supply chain delays and guarantees component consistency across your entire production run.
Key Specifications
| Specification | Details |
| Product Type | Surface Mount Device (SMD) Resistor |
| Resistance Value | 3.3K Ohm (3300 Ohm) |
| Package Size | 1206 (3.2mm x 1.6mm x 0.95mm) |
| Power Rating | 1/4 Watt (0.25W) |
| Tolerance | ±5% (Standard) or ±1% (Premium Grade) |
| Temperature Coefficient | ±100 ppm/°C (Typical) |
| Operating Temperature Range | -55°C to +125°C |
| Quantity per Reel | 5000 Units |
| Reel Format | 7-inch Paper Reel with Embossed Carrier Tape |
| 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 Metal Film Construction: Delivers stable resistance values with minimal drift, ensuring accurate circuit performance in temperature-sensitive applications
- Industry-Standard 1206 Package: Compatible with automated pick-and-place assembly equipment, reducing production costs and increasing manufacturing throughput
- Bulk Reel Format: 5000 units on standard 7-inch paper reel with embossed carrier tape for seamless integration into SMT production lines
- Wide Temperature Range: Operates reliably from -55°C to +125°C with predictable temperature coefficient, suitable for industrial and automotive applications
- RoHS Compliant: Lead-free construction meets international environmental standards for modern electronics manufacturing
- Excellent Solderability: Pre-tinned leads and optimized pad geometry ensure reliable solder joints with minimal rework requirements
Applications and Use Cases
- Pull-Up and Pull-Down Resistors: Used in digital logic circuits to establish defined voltage levels for microcontroller GPIO pins and sensor interfaces
- Signal Conditioning Networks: Serves as impedance matching and attenuation components in analog signal processing, audio amplifiers, and measurement instrumentation
- Voltage Divider Circuits: Creates precise voltage reference points for ADC inputs, comparator thresholds, and power supply feedback networks
- LED Current Limiting: Protects LEDs in indicator circuits and display applications by controlling forward current to safe operating levels
- Filter Networks: Functions as part of RC low-pass and high-pass filters in power supplies, audio circuits, and RF applications
- Biasing Networks: Establishes operating points in transistor amplifier circuits, oscillators, and analog signal conditioning stages
How to Use
For PCB assembly, the 3.3K Ohm 1206 resistors should be placed using automated pick-and-place equipment configured for standard SMD reel formats. Load the 7-inch paper reel into your feeder system, ensuring proper alignment of the embossed carrier tape with the component pickup nozzles. Before soldering, verify component placement accuracy using optical inspection systems to prevent misalignment or reversed orientation. The resistors require reflow soldering at standard lead-free solder temperatures (typically 240-260°C peak) to achieve reliable solder joints without thermal damage to the component.
For manual prototyping and rework applications, use a temperature-controlled soldering iron (350-375°C) with fine-tip geometry to solder the resistor pads to your PCB traces. Apply a small amount of flux to improve wetting and heat transfer, then remove excess solder using solder wick or desoldering braid. In circuit design, calculate the appropriate resistor value using Ohm's Law and power dissipation formulas to ensure the 1/4 watt rating is not exceeded. For example, at 5V, the maximum safe current is approximately 8.7mA, limiting applications to low-power signal circuits and logic-level interfaces.
Frequently Asked Questions
What is the maximum current rating for a 3.3K Ohm 1/4w resistor?
The maximum safe current is determined by the power rating: P = I²R, so 0.25W = I² × 3300 Ohm. Solving for I gives approximately 8.7mA maximum continuous current. Exceeding this current will cause excessive heat dissipation and potential component failure. Always design circuits with safety margins of at least 20-30% below maximum ratings.
Are these resistors suitable for high-frequency RF applications?
The 1206 SMD resistors are suitable for frequencies up to approximately 1-2 GHz depending on circuit design. At higher frequencies, parasitic inductance and capacitance become significant factors. For RF applications above 2 GHz, consider using chip resistors with lower parasitic effects or specialized RF resistor designs. Always verify frequency response characteristics in your specific application.
What tolerance options are available for bulk orders?
Standard tolerance is ±5%, which is suitable for most general-purpose applications. Premium grade resistors with ±1% tolerance are available for precision instrumentation and measurement circuits. Contact our sales team for pricing and lead times on ±1% tolerance bulk orders. Higher precision typically increases cost but improves circuit accuracy in sensitive applications.
How should I store the reel to maintain component quality?
Store the sealed reel in a dry environment at room temperature (20-25°C) with relative humidity below 40%. Keep the reel in its original packaging with desiccant packets intact. Avoid exposure to moisture, direct sunlight, and extreme temperatures. Once opened, use the resistors within 24 hours or reseal the reel with fresh desiccant. Proper storage prevents solder joint degradation and maintains component reliability.
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 3.3K Ohm 1/4w 1206 Resistor(Reel of 5000) Online in India
Purchase the 3.3K Ohm 1/4w 1206 Resistor(Reel of 5000) online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 3.3K Ohm 1/4w 1206 Resistor(Reel of 5000) with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
3.3K Ohm 1/4w 1206 Resistor(Reel of 5000)
The 3.3K Ohm 1/4w 1206 Resistor is a precision surface-mount component designed for high-volume PCB assembly and prototyping applications. This reel of 5000 units provides professional-grade resistors with tight tolerance ratings suitable for signal conditioning, voltage divider networks, and pull-up/pull-down circuits in digital and analog electronics. Electronics engineers, PCB manufacturers, and hobbyists rely on these components to ensure circuit stability, accurate signal processing, and reliable component placement in automated assembly lines.
Product Overview
The 3.3K Ohm 1/4w 1206 resistor operates on the principle of electrical resistance, converting electrical energy into heat according to Ohm's Law (V=IR). The 1206 package format (3.2mm x 1.6mm) is an industry-standard surface-mount device (SMD) that provides excellent solderability, mechanical strength, and thermal dissipation characteristics. With a power rating of 1/4 watt (0.25W), these resistors can safely handle currents up to approximately 8.7mA at rated voltage, making them ideal for logic-level circuits, sensor interfaces, and moderate-power signal processing applications.
This bulk reel of 5000 units is specifically engineered for manufacturing environments where consistent quality and cost-efficiency are critical. The resistors feature a ceramic substrate with metal film construction, delivering stable resistance values across temperature ranges from -55°C to +125°C. The tight tolerance specifications ensure predictable circuit behavior in precision applications such as audio amplifiers, instrumentation circuits, and communication systems. Sourcing in bulk quantities from The Engineer Store eliminates supply chain delays and guarantees component consistency across your entire production run.
Key Specifications
| Specification | Details |
| Product Type | Surface Mount Device (SMD) Resistor |
| Resistance Value | 3.3K Ohm (3300 Ohm) |
| Package Size | 1206 (3.2mm x 1.6mm x 0.95mm) |
| Power Rating | 1/4 Watt (0.25W) |
| Tolerance | ±5% (Standard) or ±1% (Premium Grade) |
| Temperature Coefficient | ±100 ppm/°C (Typical) |
| Operating Temperature Range | -55°C to +125°C |
| Quantity per Reel | 5000 Units |
| Reel Format | 7-inch Paper Reel with Embossed Carrier Tape |
| 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 Metal Film Construction: Delivers stable resistance values with minimal drift, ensuring accurate circuit performance in temperature-sensitive applications
- Industry-Standard 1206 Package: Compatible with automated pick-and-place assembly equipment, reducing production costs and increasing manufacturing throughput
- Bulk Reel Format: 5000 units on standard 7-inch paper reel with embossed carrier tape for seamless integration into SMT production lines
- Wide Temperature Range: Operates reliably from -55°C to +125°C with predictable temperature coefficient, suitable for industrial and automotive applications
- RoHS Compliant: Lead-free construction meets international environmental standards for modern electronics manufacturing
- Excellent Solderability: Pre-tinned leads and optimized pad geometry ensure reliable solder joints with minimal rework requirements
Applications and Use Cases
- Pull-Up and Pull-Down Resistors: Used in digital logic circuits to establish defined voltage levels for microcontroller GPIO pins and sensor interfaces
- Signal Conditioning Networks: Serves as impedance matching and attenuation components in analog signal processing, audio amplifiers, and measurement instrumentation
- Voltage Divider Circuits: Creates precise voltage reference points for ADC inputs, comparator thresholds, and power supply feedback networks
- LED Current Limiting: Protects LEDs in indicator circuits and display applications by controlling forward current to safe operating levels
- Filter Networks: Functions as part of RC low-pass and high-pass filters in power supplies, audio circuits, and RF applications
- Biasing Networks: Establishes operating points in transistor amplifier circuits, oscillators, and analog signal conditioning stages
How to Use
For PCB assembly, the 3.3K Ohm 1206 resistors should be placed using automated pick-and-place equipment configured for standard SMD reel formats. Load the 7-inch paper reel into your feeder system, ensuring proper alignment of the embossed carrier tape with the component pickup nozzles. Before soldering, verify component placement accuracy using optical inspection systems to prevent misalignment or reversed orientation. The resistors require reflow soldering at standard lead-free solder temperatures (typically 240-260°C peak) to achieve reliable solder joints without thermal damage to the component.
For manual prototyping and rework applications, use a temperature-controlled soldering iron (350-375°C) with fine-tip geometry to solder the resistor pads to your PCB traces. Apply a small amount of flux to improve wetting and heat transfer, then remove excess solder using solder wick or desoldering braid. In circuit design, calculate the appropriate resistor value using Ohm's Law and power dissipation formulas to ensure the 1/4 watt rating is not exceeded. For example, at 5V, the maximum safe current is approximately 8.7mA, limiting applications to low-power signal circuits and logic-level interfaces.
Frequently Asked Questions
What is the maximum current rating for a 3.3K Ohm 1/4w resistor?
The maximum safe current is determined by the power rating: P = I²R, so 0.25W = I² × 3300 Ohm. Solving for I gives approximately 8.7mA maximum continuous current. Exceeding this current will cause excessive heat dissipation and potential component failure. Always design circuits with safety margins of at least 20-30% below maximum ratings.
Are these resistors suitable for high-frequency RF applications?
The 1206 SMD resistors are suitable for frequencies up to approximately 1-2 GHz depending on circuit design. At higher frequencies, parasitic inductance and capacitance become significant factors. For RF applications above 2 GHz, consider using chip resistors with lower parasitic effects or specialized RF resistor designs. Always verify frequency response characteristics in your specific application.
What tolerance options are available for bulk orders?
Standard tolerance is ±5%, which is suitable for most general-purpose applications. Premium grade resistors with ±1% tolerance are available for precision instrumentation and measurement circuits. Contact our sales team for pricing and lead times on ±1% tolerance bulk orders. Higher precision typically increases cost but improves circuit accuracy in sensitive applications.
How should I store the reel to maintain component quality?
Store the sealed reel in a dry environment at room temperature (20-25°C) with relative humidity below 40%. Keep the reel in its original packaging with desiccant packets intact. Avoid exposure to moisture, direct sunlight, and extreme temperatures. Once opened, use the resistors within 24 hours or reseal the reel with fresh desiccant. Proper storage prevents solder joint degradation and maintains component reliability.
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 3.3K Ohm 1/4w 1206 Resistor(Reel of 5000) Online in India
Purchase the 3.3K Ohm 1/4w 1206 Resistor(Reel of 5000) online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 3.3K Ohm 1/4w 1206 Resistor(Reel of 5000) with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.