Drawn to true relative scale — the variants above are directly size-comparable.
Gold-plated SMD (SAW filters, RF modules, shields)
Colour stability. Real gold plating is a warm even yellow that doesn't tarnish, dull or grey with age. On a twenty-year-old board, whatever still looks freshly yellow is gold. Tin looks pale grey-white; brass goes brown or green; old solder is dull.
How to spot it
Gold-lidded SAW filters and RF modules (small metal-lid rectangles on phone and RF boards), gold-terminated ceramic packages, gold-plated resistor networks and MELF on mil boards, gold-plated shield cans, gold pad and via fields.
Metal content
| Metal | Quantity | Notes |
|---|---|---|
| Gold | 0.5–1.5 g/lb | thin plating, needs volume |
| Silver | 0.2–1 g/lb |
At 4 Aug 2026 spot prices that works out to $118 per pound of contained metal — Gold 0.9 g = $117, Silver 0.5 g = $0.95. A refiner paying $25 returns about 21% of that, which is normal: refining costs money and the buyer takes a margin.
Safe removal
Working temperature: Preheat 250–280 °C / hot air 330–370 °C
Preheat plate 250–280 °C and scrape into a pan, or hot air 330–370 °C for selective picking.
Hazards
NEVER dry sweep or use compressed air on a scrapping bench. HEPA-vac or wet-wipe only.
NEVER burn boards, wire insulation or plastic. Ever.
Questions
How much gold is in gold-plated smd (saw filters, rf modules, shields)?
Gold: 0.5–1.5 g/lb. Silver: 0.2–1 g/lb. At current spot that is about $118 of contained metal per pound.
How do you identify gold-plated smd (saw filters, rf modules, shields)?
Colour stability. Real gold plating is a warm even yellow that doesn't tarnish, dull or grey with age. On a twenty-year-old board, whatever still looks freshly yellow is gold. Tin looks pale grey-white; brass goes brown or green; old solder is dull.
How do you remove gold-plated smd (saw filters, rf modules, shields) safely?
Preheat plate 250–280 °C and scrape into a pan, or hot air 330–370 °C for selective picking.
Related in ICs & chips
Get this offline → The full guide runs in your browser with no signal, and you can add your own photos.