330K Ohm 334 1206 SMD Resistor 1/4W 1% Tolerance Precision Chip Resistor

Description

Specifications

• 330K Ohm 334 1206 SMD Resistor 1/4W
• Resistance: 330K Ohms (330000 Ohms)
• Tolerance: ±1%
• Power Rating: 0.25W (1/4W)
• Package/Case: 1206 (3216 Metric)
• Technology: Thick Film
• Operating Temperature: -55°C ~ +155°C
• Temperature Coefficient: ±100ppm/°C typical
• Dimensions: 3.2mm x 1.6mm x 0.55mm (approx.)
• Mounting Type: Surface Mount
• Packaging: Reel or Cut Tape
• RoHS Status: Compliant

Features

• Resistance Value: 330K Ohms (330000 Ohms, 334 marking)
• Case Size: 1206 (3.2mm x 1.6mm)
• Power Rating: 1/4W (0.25W)
• Tolerance: ±1% high precision
• Thick film technology – ultra-low noise and excellent temperature stability
• Compact SMD design for dense ultra-low-power circuit boards
• Wide operating temperature range: -55°C to +155°C
• RoHS compliant and lead-free
• Superior solderability and long-term reliability
• The 330K Ohm 334 1206 SMD Resistor is an ultra-high-value precision resistor specifically suited for designs where current consumption must be reduced to the absolute minimum and extremely large voltage division ratios are essential. With 330,000 ohms resistance and tight ±1% tolerance, it performs outstandingly in ultra-high-impedance voltage dividers (ultra-low-power battery voltage monitoring, very high-resistance analog sensor scaling, ADC input conditioning with virtually no loading effect), near-zero-current pull-up/pull-down networks, feedback resistors in ultra-high-gain op-amp configurations, RC timing and oscillator circuits with exceptionally long time constants, bias networks in ultra-low-power amplifiers, and numerous other energy-critical analog, mixed-signal, and microcontroller applications where every nanoamp matters.Rated at 1/4W (0.25W) power dissipation, it produces essentially zero heat in ultra-low-current scenarios, making it an excellent choice for battery-operated devices, wearables, remote sensors, energy-harvesting systems, long-life portable instrumentation, and any ultra-low-power design.
• The 1206 package size continues to be one of the most favored SMD footprints due to its ideal balance between compactness for dense modern boards and ease of reliable soldering — both in automated production and manual prototyping/repair work. Commonly used in advanced portable devices, industrial ultra-low-power sensors, high-impedance audio circuits, IoT ultra-low-power nodes, sophisticated battery management systems, Arduino, Raspberry Pi, ESP32 ultra-low-power projects, and professional energy-efficient PCB manufacturing.
• Manufactured using thick film technology, it delivers exceptionally low temperature drift, negligible excess noise, and superior long-term stability. The “334” marking follows the standard 3-digit SMD code: 33 × 10⁴ = 330,000 Ohms. Fully RoHS compliant and optimized for lead-free reflow soldering processes.
• A vital ultra-high-value component for every ultra-low-power, battery-conscious, or precision analog-focused inventory—this 330KΩ 1% 1206 SMD resistor provides top-tier accuracy, near-zero power impact, and outstanding value. Available in bulk reels for production or small packs for hobbyists, developers, and repair work.

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FAQ

1. What does 334 mean on this 1206 SMD resistor?
   334 = 33 × 10⁴ = 330,000 Ohms = 330KΩ
2. What is the power rating?
   1/4W (0.25 watts)
3. Is the tolerance ±1%?
   Yes – high-precision ±1% tolerance (much tighter than 5%)
4. What are the dimensions?
   Approximately 3.2 mm × 1.6 mm × 0.55 mm
5. Suitable for high-temperature use?
   Yes – standard range -55°C to +155°C
6. When to choose 330K over 220K or 100K?
   When you need significantly higher resistance (dramatically lower current draw) to maximize battery life or achieve even larger voltage division ratios in ultra-low-power sensor/ADC applications
7. What technology is used?
   Thick film – ideal for ultra-high-value precision at low cost
8. How to solder 1206 resistors?
   Reflow oven or hot-air station recommended; fine-tip iron suitable for hand soldering
9. Why choose 1206 over smaller packages?
   Higher power handling (0.25W) and much easier manual soldering & visual inspection
10. Where can I buy bulk 330K 1206 1% resistors?
    DigiKey, Mouser, LCSC, Element14, Tayda, or local electronics suppliers