What G1 can be
G1MMBT5551LNPN transistorSOT-23 · onsemi · 160 V · 600 mA · hFE 80-250
Pins: 1=B 2=E 3=C
On the part, one more character can follow G1: a date or 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 G1, 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.
Frequently asked questions
What is the pinout of SMD code G1?
MMBT5551L (SOT-23): 1=B 2=E 3=C.
Marking codes checked against the makers’ datasheets; each part links to its own.