SMD code 72R3 — 72.3 Ω
A surface-mount resistor has no bands. This one is a four-digit marking: the R is the decimal point — 72.3 Ω. Parts marked this way are usually ±1% or tighter.
72R3
reads as
72.3 Ω
How much it can take
| Across it | Dissipated | Smallest package that copes |
|---|---|---|
| 5 V | 346 mW | 1 W |
| 12 V | 1.99 W | 5 W |
What you can actually get
Parts made
1
at this value
Common packages
1206
Codes you will mistake it for
One character apart from 72R3. On a 0402 part these are a fraction of a millimetre of printing — worth a second look before you solder.