All Questions
Tagged with component-identification or identification
3,331 questions
1 vote
1 answer
110 views
National Semiconductor IC, what is this component?
I don't know and cannot find this type of 4 x 3 mm circuit. I've found a datasheet of LP38502-ADJ, but there is no such housing, nor has this chip an extra cooling pad at the bottom. So I think this ...
2 votes
1 answer
160 views
Is this broken wire post just structural or is it an important part of the circuit?
I accidentally broke this looped wire that wraps around another wire. Is it just structural or is it an important part of the circuit? Maybe a ground wire wrapped around something to prevent ...
1 vote
2 answers
128 views
What is this "3301CI" 8-pin IC?
What is this 8-pin IC marked 3301CI? The board is meant to control BLDC SERVO MOTOR with position sensor. IC located in the bottom half:
1 vote
1 answer
67 views
Identifying QFN-13 DC-DC regulator marked “OZK”, 12 V input → 2.50 V output
I’m trying to identify a DC-DC switching regulator in a QFN-13 package. The top mark on the IC is “OZK” (possibly “0ZK”). The board label near the test point indicates +2.50 V, and the chip appears to ...
0 votes
3 answers
114 views
What plug type and power supply does this Radio take
I have a Vietnam ERA portable radio that has a plug in the back for an AC adapter that is long gone. It obviously takes 9 volts DC but that's about all I know. I have asked around locally and no one ...
2 votes
1 answer
131 views
Unidentified Epcos Element
Please help me identify this component. This component is used in a Danfoss frequency converter. It is housed in a black housing, with a ceramic disc inside and metal sputtering on both sides. Its ...
-1 votes
0 answers
66 views
Looking for information on IC 32500‑W01 used in X‑ray scintillator circuits
We design electronic circuits, but today I received a question that I can’t answer easily. Someone asked us about designing a circuit that reads signals from a scintillator in an X-ray scanner. They ...
-5 votes
1 answer
106 views
Identification of damaged diode in Crosley radio [closed]
My house was struck by lightning and fried my Crosley radio. This is the only broken part on the main board. I can't read the number on it. Does anyone have any idea what this is? I know how to solder ...