Questions tagged [surface-mount]

Surface-Mount Technology (SMT) refers to the way components are mounted on a PCB: SMDs (Surface-Mounted Devices) have pins or contacts which lay on top of the PCB's pads, without the need for holes in the PCB.

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Connector identification for Avermedia C875

I have an AverMedia C875 device, I would like to capture an analog output of my VCR with it. The device has a specific connector for such purposes, but I sadly don't have the dongle that originally ...
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Drone PCB - SMD part identification

Currently I try to reverse engineer a (quite old) drone from Parrot called 'Mambo'. Here you can find some information: https://wiki.paparazziuav.org/wiki/Ap.parrot_minidrone Currently I have ...
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What kind of tactile switch is this?

I am trying to find some tactile switches similar (or even better, identical) to the ones shown. They are two stage, multi-way configuration. Depressing one click connects the common pin to pin 1, and ...
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Need Help Identifying - Pentair pool automation motherboard

Hoping someone can help me identify the component in this picture. This is a Pentair pool automation motherboard - model number 520073. The top part of the photo shows what I believe is a capacitor ...
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Properly Positioning SMD Headers KiCAD

I'm currently working on a PCB in KiCAD and am using some SMD header pins. In a previous design I used THT headers and it was super easy to measure from center to center of the holes to make sure the ...
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Help with identifying SMD ccomponents

Can someone help me identify a couple ofSMD components? Both are from analog circuits. The first package marking is 50W. I'm assuming that it is a JFET, but I'm not sure. The second one is marked A6....
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Terminal Block Connector SMT/SMD Version

I am working with a motherboard PCB that has these 3.5mm pitch 10pos terminal block on it for wiring harnesses. I want to replace these wiring harnesses with another accessory PCB now but I am running ...
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SMT Resistor Fails, but through-hole resistor of same value succeeds for op-amp band-pass filter

I am making a band-pass filter with a gain of 75v/v. Center frequency of 30k. Passband of ~30k. I used the analog wizard site (https://tools.analog.com/en/filterwizard/) to generate the band-pass ...
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Can I replace a P labeled SMD fuse with a K labeled one?

I am fixing an "old" laptop and I needed to replace a broken screen. While disconecting and reconnecting the ribbon cable, I probably shorted something. Now the back light on both the ...
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Help resoldering SMD capacitor

I was cleaning my 1080 and installing new thermal pads when I accidently broke off a capacitor during disassembly. Does anyone have experience resoldering SMD capacitors on GPUs and if so what solder ...
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1 answer
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A component has blown on my HP elite book 840 G6. I need help identifying it if it all possible

Here are the pictures. It was late and I shorted 2 pins of the smart card reader ribbon connector. Don't know how such a stupid mistake, but this component on the other side of the board went up and ...
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Toshiba T1200XE PSU repair. Identifying some SMD component NA 06

I am trying to repair a Toshiba T1200XE Power board and naturally all caps are bad and leaking, so the need to be changed. I have also found a blown component NA 06 that needs to be replaced, but I ...
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2 votes
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Help identifying an SMD chip

I have stumbled upon this mystery chip, it is probably a voltage regulator. It is inside a projector I want to repair. From what I gather, it's probably a 1.8 volt regulator. If you can confirm please ...
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1 answer
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Restrict layer issue in EAGLE using C1206F334K1RACTU capacitor

I've been trying to google this problem and find solutions in this forum as well, however, as I am still new to EAGLE and posting in this forum I'd appreciate any advice. I have been trying to connect ...
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15 votes
2 answers
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Unknown SMD Component

I'm trying to find the components of the PCB I have. I have a problem with a 5 pin (SOT23-5) component. Can someone help me with this? There are version1, version2 and version3 of the PCB and marking ...
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What is this through-hole component holder used on aluminum PCBs?

I've been buying these cheaps LED lightbulbs and tore them down to see how the LEDs are driven. On all of them I have found this surface mount component that allows a through hole component (here a ...
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Having a hard time identifying this component; maybe the logo can help

Does anyone have any idea what this part Q6 is? It appears to be some type of SOIC 8 FET. Logo on the device:
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What is this component marked 22A MHP6F3.00?

I'm trying to find datasheet for this MHP6F3.00 chip. I found this inside a cheap Android PSP clone motherboard. Here is the photo:
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Trying to fix a possible non-removable permanent fuse

I'm having some issues with a PCB in an alarm unit. I think the unit shorted. I'm now trying to identify the broken component to replace it. The board is mains powered, but also has a battery - ...
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Identification of SMD marking which looks like a "P" and a "c"

What is this SMD marking? I haven't been able to find it.
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Help identify SMD (Schottky?) diode (marked "NU")

I'm trying to see if I can get this thing fixed. I already have a spare from AliExpress but it would be cool to see if I can get my DIY one fixed. It's this diode marked only "NU" and is ab-...
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What are this chips marked "0B2004ZCP" & "0B2603CP"?

I'm trying to find datasheet for two chips. I found this inside a TCL 18W Quick Charge adapter. I think this are ON Semi parts. But I'm not sure. I think 0B2004ZCP is some kind of diode and 0B2603CP ...
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Need help identifying SMD diodes

Could someone help me to find product names of these diodes. The search did not give clear results. One of them is marked as s1y And second is seems 05 with rotated J and it has dot under 05. Thanks ...
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Trying to identify a component; I followed traces and made a schematic with surrounding components

The component is labeled IC2 in this schematic. A lot of the traces were connected to GND, some were not connected. Could anyone identify the component by this context?
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3 answers
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SMD 0402 resistor flipped on its side

I received some boards back from the PCBA fab and noticed that one 0402 resistor is flipped onto its side (R25): This site tells me this is a pick-and-place error. But the footprint happens to be one ...
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Help please with this SMD identification - SOT23-6 top marking F1TL

I need some help identifying this SMD part. It has F1TL marking and is on a 3-axis gimbal daughter board. There’s 3 on the board and 2 are burnt. Thanks in advance. [6-pin SMD, 3x2mm in size approx.] ...
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I'm trying to replace a component on a circuit board. Is this a fuse?

This smd component has shorted. I'm assuming it is a fuse, but I don't understand what the 4 over the underscore means, if it is even a "4". Does somebody know what this component is and how ...
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Is this filter burnt and the capacitor damaged?

I'm repairing a Ring Chime PCB and have noticed what looks to be a burnt ceramic filter, and a capacitor next to it which is shorted. The white rectangular component is labelled FL1 which makes me ...
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Help Identifying SMD Transistor

What is this component? The only markings on the component are 96 G and M1. The board silk screen designates it letter Q so I'm thinking it's a transistor? Please advise
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Information on this SMD transistor?

I'm repairing a board; a SOT-23 transistor has come off and a leg has broken off. It's marked with "C5UKE" but I can not find information anywhere online to find a replacement for it. Can ...
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2 votes
1 answer
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What are the known ambiguous SMD IC package names?

I just recently discovered (the hard way...) that VSSOP-8 is an ambiguous IC package name. Some manufacturers use this name to describe a 0.65mm pitch device, whereas others use VSSOP-8 to describe a ...
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Identifying SMD motherboard component

My motherboard (Gigabyte b450) died after a power outage. I found out that an SMD 5-pin IC with the code VA8qE was burned. I tried to identify it myself, with no luck. I searched for the code online, ...
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Turning PICO footprint into THT

I would like to use Rasberry PI PICO as a part of my PCB in my DC motor controller project. I have downloaded the symbol and footprint for it in ALTIUM. The footprint is SMD. Since I wish to solder 2....
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Identify 10 pin smd from Zoom 5g effects pedal

I may have fried this 10 pin smd by grounding pins 4,5 with the ground lug below it. I can't trace the numbers to anything! From a Zoom G5 effects pedalboard, Any suggestions? 580 9203
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Value for SMD crystal marking: 33b00JZ, needed

Does anyone know the value (frequency) of an SMD crystal with marking 33b00JZ? Datasheet link will be highly appreciated.
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Identify 8-pin surface mount component on motherboard

I'm trying to identify a surface mount component on an Asus ROG Maximus X Hero motherboard that I'm trying to repair for a friend. The board does not boot up after a power supply failed. I have found ...
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1 vote
1 answer
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Identifying a 20 pin laptop chip that gets very hot within seconds

I’ve been searching online to try and find out what this laptop chip does or any indication as to what would be a suitable replacement. Currently, when power is put to the board, this gets to 90° ...
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SMD to DIP question

I bought one of these modules: https://www.decawave.com/product/dwm1000-module/ The problem is that its pins are very close together, they are not the same size as the traditional breadboard. I ...
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Help identify an SMD component

I am having trouble identifying component in this circuit. I suspect this is a diode. This is on the Harman Logic 7 amplifier motherboard.
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4 votes
1 answer
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Whats's the electronic component in this picture called?

The photo is taken from an Acer Monitor's power board. The monitor model is K242HL and the power board part serial is 4H.220V2.A17. As an electronics beginner and being of curiousity, I tried to ...
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1 answer
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Help identifying component in simple LED circuit

I was hoping someone could identify what (type) of component is used in this LED circuit that runs off a 3V coincell battery. It's rather simple: press the button and the LED switches on indefinitely ...
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Can anyone identify this SMD?

I can't get any readings with my multimeter (it's probably blown up), and the board doesn't have any schematics. I've been searching the net for hours and can't find anything about it. It's the white ...
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1 vote
1 answer
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Can anyone identify this chip?

This chip is from a Bobcat Miner 300. It's located somewhere next to the 12V input. IC has "AWKN *91" written on it where the star stands for an unreadable character. It's a 6 Pin chip that ...
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0 votes
2 answers
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Aligned vs not-aligned components: Which is better for PCBA process?

I am designing a Raspberry Pi hat PCB for a home automation control project. It contains many SMD resistors and capacitors. I was just wondering if aligned components have any benefit over not-aligned ...
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4 votes
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SMD, reflow or hot-air gun?

What are the advantages and disadvantages of using a reflow oven vs a hot air station for prototyping SMD PCB? Do you need an oven or would an air station work?
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What kind of inductor is used in the SMD pi-filter? Air core or ferromagnetic core?

What kind of inductor is used in an SMD pi-filter (LC) such as the LFCN-80? Air core or ferromagnetic core? Is it affected by external high magnetic fields (4 Tesla)?
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What kind of component is this

I have a remote control for a Sharper Image drone. The unit does not power up. The battery power is correct so I open the unit and see that the first component on the circuit board appears to be blown,...
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1 answer
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Identifying a transistor, responsible of driving a 12 V fan

I have blown this transistor while probing a GPU card, I usually take as much care as I could to probe a living device, but yeah, it's not the first time. I have identified the short I caused and it ...
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1 answer
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SMD "power" resistors : what constraints on PCB layout

I'm looking for current sens resistors. As those are rather big (and beeing for now the limiting element for my PCB size), I would like to stop using over-rated one and take some with "just" ...
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2 votes
3 answers
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Help identify IC

This is an LED light from AI, PRIME 16HD model. I have identified the IC that seems to be burned; it looks like it's some kind of voltage regulator. I think the markings are: BN0D 18. Maybe someone ...
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