What 1G can be
1GBC847CNPN transistorSOT-23 · Nexperia · 45 V · 100 mA · hFE 420-800
Pins: 1=B 2=E 3=C
On the part, one more character can follow 1G: a date or factory code. datasheet
1GBC847CWNPN transistorSOT-323 · Nexperia · 45 V · 100 mA · hFE 420-800
Pins: 1=B 2=E 3=C
On the part, one more character can follow 1G: 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 |
| SOT-323 | SC-70, SC-70-3 | 2 × 1.25 mm | 0.95 mm |
Nominal body size without the leads.
How to tell them apart
Measure the plastic body without the leads: SOT-23 2.9 × 1.3 mm · SOT-323 2 × 1.25 mm.
The same code can mean different parts at different makers. The package narrows it down, so measure the body.
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 |
|---|---|---|---|
| BC847 | 1H | NPN transistor | SOT-23 |
| BC847A | 1E | NPN transistor | SOT-23 |
| BC847AW | 1E | NPN transistor | SOT-323 |
| BC847B | 1F | NPN transistor | SOT-23 |
| BC847BPN | 13 | NPN + PNP transistor pair | SOT-363 |
| BC847BS | 1F | Dual NPN transistor | SOT-363 |
| BC847BW | 1F | NPN transistor | SOT-323 |
Codes that look similar
Easy to mix up with 1G when the print is worn or a character is cut off:
Frequently asked questions
What is the pinout of SMD code 1G?
BC847C (SOT-23): 1=B 2=E 3=C. BC847CW (SOT-323): 1=B 2=E 3=C.
Marking codes checked against the makers’ datasheets; each part links to its own.