Common SMD Marking Codes for 5kΩ
- 502 (3-Digit Code): Used for standard ±5% tolerance resistors.
50represents the base value, and2is the multiplier (10², or adding two zeros), resulting in 5,000 Ω. - 5001 (4-Digit Code): Used for precision ±1% tolerance resistors.
500represents the base value, and1is the multiplier (10¹, or adding one zero), resulting in 5,000 Ω. - 68A (EIA-96 Code): A specialized three-character code used on highly precise 1% miniature resistors.
68is the lookup code for 499, andAis the multiplier (10⁰ or 1), yielding 499 Ω (which is the closest standard E96 value to a strict 5.0k).
Common Physical Sizes (Imperial Packages)
SMD resistors come in standard package sizes that dictate their power ratings.
- 0402: 1.0mm × 0.5mm (Typically rated for 1/16 W)
- 0603: 1.6mm × 0.8mm (Typically rated for 1/10 W)
- 0805: 2.0mm × 1.25mm (Typically rated for 1/8 W)
- 1206: 3.2mm × 1.6mm (Typically rated for 1/4 W)
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