
Maxim Integrated Products, Inc.
DS18S20+ is a similar 1-Wire thermometer but is lower resolution.
DS18B20+ is a 1-Wire digital thermometer in TO-92-3. The only kept candidate is similar but needs review.
Interface matches, but behavior differs.
TO-92-3 package matches.
Resolution and commands must be checked.
Lifecycle fields are not conclusive.
Direct replacement for DS18B20+ should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Review DS18S20+ only if 9-bit resolution and firmware behavior are acceptable.
DS18S20+ has lower resolution and unverified pin functions.

Maxim Integrated Products, Inc.
DS18S20+ is a similar 1-Wire thermometer but is lower resolution.
| Feature / factor | DS18B20+ | DS18S20+ | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | TO-92-3 | TO-92-3 | TO-92-3 — Same package field. | ||
| Pinout | 3 pins | 3 pins | 3 pins — Pin functions not checked. | ||
| Interface | 1-Wire | 1-Wire | 1-Wire — Same bus type. | ||
| Temperature | -55 to +125 C | -55 to +125 C | -55 to +125 C — Range aligns. | ||
| Application | 12-bit thermometer | 9-bit thermometer | 9-bit thermometer — Lower resolution. |
Verified drop-in options for DS18B20+ are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.