100K Ohm 104 1206 SMD Resistor 1/4W 1% Tolerance Precision Chip Resistor

Description

Specifications

• 100K Ohm 104 1206 SMD Resistor 1/4W
• Resistance: 100K Ohms (100000 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: 100K Ohms (100000 Ohms, 104 marking)
• Case Size: 1206 (3.2mm x 1.6mm)
• Power Rating: 1/4W (0.25W)
• Tolerance: ±1% high precision
• Thick film technology – extremely low noise and superior temperature stability
• Compact SMD design ideal for high-density low-power boards
• Wide operating temperature range: -55°C to +155°C
• RoHS compliant and lead-free
• Excellent solderability and long-term reliability
• The 100K Ohm 104 1206 SMD Resistor is a staple high-value precision resistor used whenever current draw needs to be kept extremely low or when very large voltage division ratios are required. With exactly 100,000 ohms resistance and tight ±1% tolerance, it shines in ultra-high-impedance voltage dividers (battery voltage sensing with near-zero drain, high-resistance analog sensor scaling, ADC input conditioning with minimal loading), near-zero-current pull-up/pull-down networks, feedback resistors in ultra-high-gain op-amp stages, RC timing and oscillator circuits with very long time constants, bias networks in ultra-low-power amplifiers, and various other energy-critical analog, mixed-signal, and microcontroller applications.Rated at 1/4W (0.25W) power, it produces virtually no heat in low-current circuits, making it an ideal choice for battery-powered devices, wearables, remote sensors, energy-harvesting systems, and any design where power efficiency is paramount.
• The 1206 package remains one of the most popular SMD sizes due to its excellent balance of compactness, sufficient power handling, and ease of both automated placement and manual soldering/prototyping. Widely used in portable instrumentation, industrial low-power sensors, audio circuits with high input impedance, IoT edge nodes, battery management systems, Arduino, Raspberry Pi, ESP32 low-power projects, and professional ultra-low-power PCB manufacturing.
• Built with thick film technology, this resistor delivers exceptionally low temperature drift, negligible excess noise, and outstanding long-term stability. The “104” marking follows the standard 3-digit SMD code: 10 × 10⁴ = 100,000 Ohms. Fully RoHS compliant and optimized for lead-free reflow soldering processes.
• A must-have high-value component for every low-power and precision analog-focused inventory—this 100KΩ 1% 1206 SMD resistor combines top-tier accuracy, ultra-low power impact, and unbeatable value. Available in bulk reels for production or small packs for makers, developers, and repair work.

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FAQ

1. What does 104 mean on this 1206 SMD resistor?
   104 = 10 × 10⁴ = 100,000 Ohms = 100KΩ
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 of the 1206 package?
   Approximately 3.2 mm × 1.6 mm × 0.55 mm
5. Suitable for high-temperature operation?
   Yes – standard range -55°C to +155°C
6. Why choose 100K over lower values like 47K or 68K?
   When you need even higher resistance (even lower current draw) to maximize battery life or achieve extremely large voltage division ratios in sensor/ADC applications
7. What technology is used?
   Thick film – perfect for very high-value precision at low cost
8. How should these 1206 resistors be soldered?
   Reflow oven or hot-air station preferred; fine-tip iron works well for hand soldering
9. Why 1206 instead of smaller packages?
   Higher power handling (0.25W) and significantly easier to manually solder and visually inspect
10. Where can I buy bulk 100K 1206 1% resistors?
    DigiKey, Mouser, LCSC, Element14, Tayda, or local electronics distributors