Aziz Bench

SMD marking code 6A

The marking 6A is used by BC817-16 (NPN transistor, SOT-23) and BC817-16W (NPN transistor, SOT-323). The package and the circuit around the part tell them apart.

Marking
6A
NPN transistor
Package
SOT‑23, SOT‑323
Parts
2
Makers
Nexperia
SOT-23
6A

What 6A can be

6ABC817-16NPN transistor

SOT-23 · Nexperia · 45 V · 500 mA · hFE 100-250

Pins: 1=B 2=E 3=C

On the part, one more character can follow 6A: a date or factory code. datasheet

6ABC817-16WNPN transistor

SOT-323 · Nexperia · 45 V · 500 mA · hFE 100-250

Pins: 1=B 2=E 3=C

On the part, one more character can follow 6A: a date or factory code. datasheet

Package size

PackageAlso calledBodyHeight
SOT-23TO-236AB, SOT-23-32.9 × 1.3 mm1 mm
SOT-323SC-70, SC-70-32 × 1.25 mm0.95 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

PartMarkingTypePackage
BC8176DNPN transistorSOT-23

Frequently asked questions

What is the pinout of SMD code 6A?

BC817-16 (SOT-23): 1=B 2=E 3=C. BC817-16W (SOT-323): 1=B 2=E 3=C.

Marking codes checked against the makers’ datasheets; each part links to its own.