Analog Devices DS2401Z+, Silicon Serial Number, Surface Mount, TO-261-4 / TO-261AA, SOT-223-3, Tube, Active.
| Parameter | Value |
|---|---|
| Type | Silicon Serial Number |
| Mounting type | Surface Mount |
| Package | Tube |
| Applications | PCB, Network Node, Equipment Identification/Registration |
| Case | TO-261-4, TO-261AA |
The DS2401Z+ comes in a SOT-223-3 surface-mount package (also listed as TO-261-4). The three-pin footprint is straightforward for hand-assembly or reflow, and the small body keeps board area minimal.
The DS2401Z+ carries an Active lifecycle status and is ROHS3 compliant.
The DS2401Z+ provides a unique, factory-programmed 64-bit serial number for equipment identification and registration on PCBs and network nodes. It is read over a single-wire interface without external power, making it a simple way to give each board a tamper-proof identity.
The DS2401Z+ is the surface-mount SOT-223-3 variant of the DS2401. The DS2401 itself is typically offered in a TO-92 through-hole package. The electrical function — a 64-bit silicon serial number — is identical; the choice is purely about the mounting style and board footprint.
The DS2401Z+ operates over a 2.8V to 6.0V supply range, so it is fully compatible with 3.3V logic systems. The 1-Wire interface uses an open-drain driver with a pull-up resistor, so the signal levels are set by the host's supply rail — just ensure the pull-up resistor is tied to 3.3V.