What W1 can be
W1BAT54CDual Schottky diodeSOT-23 · Nexperia · 30 V · 200 mA
Pins: 1=A1 2=A2 3=K
On the part, one more character can come before W1: a factory code. datasheet
Package size
| Package | Also called | Body | Height |
|---|---|---|---|
| SOT-23 | TO-236AB, SOT-23-3 | 2.9 × 1.3 mm | 1 mm |
Nominal body size without the leads.
How to tell them apart
Only one part in our database uses W1, but other makers can print the same code on different parts: check that the package matches.
Open the SMD identifier →Not sure it is this part? Enter the marking with the shape and size of the body: the identifier checks it against all 340 markings in the database.
Related parts and their markings
| Part | Marking | Type | Package |
|---|---|---|---|
| BAT54 | L4, L4P, JV3, KL1 | Schottky diode | SOT-23 |
| BAT54A | V3, L42, KL2 | Dual Schottky diode | SOT-23 |
| BAT54AW | 42 | Dual Schottky diode | SOT-323 |
| BAT54C | L43, KL3 | Dual Schottky diode | SOT-23 |
| BAT54CW | 43 | Dual Schottky diode | SOT-323 |
| BAT54S | V4, L44, LD3, KL4 | Dual Schottky diode | SOT-23 |
| BAT54SW | 44 | Dual Schottky diode | SOT-323 |
| BAT54W | L4 | Schottky diode | SOT-323 |
| BAT54WS | L9 | Schottky diode | SOD-323 |
Frequently asked questions
What is the pinout of SMD code W1?
BAT54C (SOT-23): 1=A1 2=A2 3=K.
Marking codes checked against the makers’ datasheets; each part links to its own.