Part number : 3935037110 (39350-37110)
Part name : SENSOR-T.D.C(HALL)
Application : Hyundai EF Sonata
Net weight : 0.043kg

Sorry! I forgot to weigh the gross weight. But I guess it is 0.053 kg. It’s packed in box without plastic bag.

Before 12th Jan. 2015, 39350-37100 is supplied for Hyundai EF Sonata.
Now 39350-37110 is available.

Made in Korea.
I cannot find the manufacturer information.

I found the text on the sensor : HEC
I’m not sure but it seems it may be produced by Hyundai Engineering Company(HEC). I will update later if I get know exactly.

I took more photos.

Terminal has 3 pins:

If I correctly found the information, T.D.C means “Top Dead Center”
Here is the detail explanation about T.D.C sensor :

The TDC sensor monitors a reference point on the camshaft that indicates where top dead center is on a cylinder, usually cylinder number one. It sends a signal to the engine control module which, in turn, communicates to send a spark to the cylinder at top dead center.

From : https://www.yourmechanic.com/services/top-dead-center-tdc-sensor-replacement

I think it’s same as Crankshaft Position Sensor. Am I right? Please comment me if I wrongly understood.