SMD Resistor 30Kohm (303) (0805) (10pcs)
SKU: woo-15247
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EGP 2.00
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Description
🔩 SMD Resistor – 30kΩ (303), 0805 Package
(Standard Thick Film Chip Resistor – 10 pcs pack)
📌 General Description
This is a surface-mount resistor with a resistance of 30kΩ, coded as 303 (which stands for 30 × 10³ = 30,000Ω), in the 0805 footprint. It's typically used in signal conditioning, voltage dividers, pull-up/down configurations, and general-purpose electronics.
⚙️ Key Specifications
| Specification | Value |
|---|---|
| Resistance | 30kΩ (30,000 ohms) |
| Resistance Code | 303 |
| Package Size | 0805 (2.0mm × 1.25mm) |
| Tolerance | ±1% (default), ±5% (some types) |
| Power Rating | 1/8W (125mW) typical |
| Temperature Coefficient | ±100ppm/°C to ±200ppm/°C |
| Operating Temperature | -55°C to +155°C |
| Material | Thick film (most common) |
| Mounting Type | Surface Mount (SMD) |
| RoHS Compliant | Yes |
📦 Physical Dimensions – 0805
| Dimension | Size (mm) |
|---|---|
| Length | 2.0 mm |
| Width | 1.25 mm |
| Height | ~0.55 mm |
🧪 Typical Applications
- Voltage dividers
- Biasing and feedback networks
- Microcontroller I/O pull-ups/pull-downs
- Signal filtering with capacitors
- LED current limiting (low-power LEDs)
✅ Advantages
- Compact footprint (good for dense PCBs)
- Precise resistance for signal processing
- Reliable and low-cost
- Standard code marking makes ID easy (303 = 30k)
⚠️ Design Tip
- Keep total power dissipation under 125mW for 0805.
- For high-accuracy applications, check tolerance and temperature coefficient.
- Always double-check resistor codes — "303" is 30kΩ, not 3kΩ or 300Ω 😉
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